Entries |
Document | Title | Date |
20080238200 | Power Converter and Control Method For a Power Converter - A control method for a power converter capable of reducing overall volume of a system and energy loss by using a plurality of power sources and distributing loads to them without a DCDC converter and a combination of a fuel cell and a battery. The power converter has DC power sources, and poles formed by connecting various poles of the DC sources. Voltage is applied to a load by switching between poles. The method includes determining conductivity for a switch between poles of said first DC power source when a voltage command is lower than the electric potential output by said second DC power source; determining conductivity for a switch between the poles of said second DC source when the voltage command is higher than the electric potential output by said second DC source; and switching the pole to be connected to said load in accordance with the determinations. | 10-02-2008 |
20080238201 | Aircraft Power System and Apparatus for Supplying Power to an Aircraft Electrical System - An aircraft power system is provided having an aircraft power supply and a bidirectional switch. The aircraft power supply includes an alternator, a battery and a load. The bidirectional switch is coupled between one of the alternator and the battery, and the load. The switch includes a first FET, a second FET and timing circuitry. A source of the first FET is coupled with a source of the second FET. A drain of the first FET is coupled with one of the alternator and the battery. A drain of the second FET is coupled with the load. The timing circuitry is configurable to generate a control signal deliverable to a gate of the first FET and the second FET for setting the first FET in selective on and off positions and the second FET in corresponding selective off and on position. | 10-02-2008 |
20090066159 | VOLTAGE SUPPLY DEVICE HAVING A PLURALITY OF GENERATORS CONNECTED IN PARALLEL - A device for voltage supply includes a first generator and a second generator connected in parallel to it. A control unit is also provided, to which capacity utilization signals are made available by the first and the second generator. By an evaluation of the capacity utilization signals, the control unit ascertains control signals, which lead to a uniform load distribution with respect to the generators. | 03-12-2009 |
20090066160 | Apparatus, circuit and method of wiring for supplying power - An apparatus includes a plurality of wirings, a first power supply to provide a first power to at least one of the wirings, the first power supply being connected to the at least one of the wirings, and a second power supply to provide a second power to at least one of the wirings except that which is connected to the first power supply. | 03-12-2009 |
20090079263 | Hybrid energy conversion system with realtime hybrid power display - A hybrid energy conversion system includes a first energy conversion device configured to store and generate electrical power and a second energy conversion device configured to generate electrical power. The hybrid energy conversion system further includes a hybrid power sensing device configured to monitor a hybrid power level and a display device signally communicating with the hybrid power sensing device. The display device is configured to display a hybrid power level indicator based on the hybrid power level. | 03-26-2009 |
20090091188 | Method and Apparatus for Conserving Energy Stored in Bypass Capacitors During Dynamic Power Collapse - Energy stored in bypass capacitors in a portable device may be conserved when a power supply voltage is collapsed reducing the need to recharge the bypass capacitors and thereby saving power. A bypass charge saving circuit includes a bypass capacitor, a power source having an output supply voltage that is switchable, a load circuit of the portable device coupled to the output supply voltage, and the bypass capacitor operable to filter the output supply voltage. Also, a transistor switch is operable to decouple a discharge path of the bypass capacitor through the load circuit when the transistor switch is disabled. Further, a controller is operable to turn off the output supply voltage and the transistor switch in order to conserve energy stored in the bypass capacitor. | 04-09-2009 |
20090102287 | Semiconductor integrated circuit device - Aiming to efficiently preventing an increase in power supply noise caused by a variation in consumption current, a semiconductor integrated circuit device of the present invention includes: first and second power supply interconnections that provide power supply to an internal circuit; a power switch that connects the first power supply interconnection and the second power supply interconnection to each other; power supply noise measurement circuits that measure power supply noise of the internal circuit; and a control circuit that controls a conduction state of the power switch on the basis of a result of a measurement performed by the power supply noise measurement circuits. | 04-23-2009 |
20090108675 | Threshold voltage control circuit and internal voltage generation circuit having the same - A threshold voltage control circuit includes a first voltage supplying unit for supplying a first power supply voltage, in response to an enable signal which is activated when a bank is enabled, as a back bias voltage of a first MOS transistor, wherein the first MOS transistor drives an internal voltage, and a second voltage supplying unit for supplying a second power supply voltage, in response to the enable signal, as the back bias voltage of the first MOS transistor. | 04-30-2009 |
20090146495 | DESIGN STRUCTURE FOR A HIGH-SPEED LEVEL SHIFTER - Disclosed are embodiments of a design structure for a voltage level shifter circuit that operates without forward biasing junction diodes, regardless of the sequence in which different power supplies are powered up. The circuit embodiments incorporate a pair of series connected switches (e.g., transistors) between an input terminal and a voltage adjusting circuit. Each switch is controlled by a different supply voltage from a different power supply. Only when both power supplies are powered-up and the different supply voltages are received at both switches will a first signal generated using one of the supply voltages be passed to a voltage adjusting circuit and thereafter converted into a second signal representative of the first signal, but generated using the second supply voltage. Incorporation of the pair of series connected switches into the voltage level shifter circuit prevents forward biasing of junction diodes in the circuit and thereby prevents current leakage from the power supplies. | 06-11-2009 |
20090152950 | Switching Power Supply With Overvoltage Protection And Overvoltage Protection Method Thereof - A switching power supply with overvoltage protection includes a soft start circuit, a rectifying circuit, a filter capacitor, a main supply, an auxiliary supply and a monitoring circuit. When the input voltage is higher than the predetermined protection voltage, a first electric control switch is turned off, and the main power circuit of the switching power supply is shut off. At the moment, the actuation and release of the second electric control switch is controlled so as to control the input power supply to intermittently charge the power supply module such that the output voltage downstream of the rectifying circuit inside the power supply is controlled in a safe range. For instance, the second electric control is turned on when the output voltage is lower than a certain value, and is turned off when the output voltage is higher than a certain value. Thus, it is ensured that the bus line voltage inside the power supply is controlled within a safe range, to ensure the safety of the devices inside the power supply; and at the same time to ensure the safety of the inner devices of the switching power supply, such that the auxiliary power supply and the control circuit can work normally. | 06-18-2009 |
20090167087 | APPARATUS, SYSTEM, AND METHOD FOR A HIGH VOLTAGE, HIGH FREQUENCY REDUNDANT BUS POWER SYSTEM - An apparatus, system, and method are disclosed for redundant power supplies. A regulator module receives a first power waveform from a first power supply module and a second power waveform from a second power supply module and provides power to a low voltage, regulated output bus. The power waveforms include high voltage, high frequency, chopped power waveforms. The regulator module includes an interleaved power supply stage that receives the power waveforms as pulse-width modulated power signals and converts the first and second power waveforms to the low voltage, regulated voltage on the output bus. The regulator module includes a feedback module that receives a voltage feedback signal from the output bus, adjusts a duty cycle based on the feedback signal, and transmits a drive signal based on the duty cycle to the power supply modules which use the drive signals to generate the first and second power waveforms. | 07-02-2009 |
20090184581 | POWER SUPPLY CONVERTER/S WITH CONTROLLER/S RESPONSIVE TO VOLTAGE, CURRENT, AND POWER - Each of power supply units in a power supply system according to the present invention includes a power supply module, a voltage increase/decrease circuit for increasing the voltage across the power supply module and outputting the increased voltage to a load, and a control circuit. The control circuit calculates the power of the power supply module on the basis of the voltage across the power supply module and current flowing in the power supply module, outputs the power calculation result to a control circuit of another power supply unit, and generates and outputs a control signal to the voltage increase/decrease circuit on the basis of a target output voltage of the voltage increase/decrease circuit, the power calculation result, and a power calculation result obtained from a control circuit of a third power supply unit. | 07-23-2009 |
20090195073 | SYSTEM AND APPARATUS FOR GENERATING IDEAL RISE AND FALL TIME - A system for generating an ideal rise or fall time includes: a first current source, for providing a first current; an adjustable capacitive component, coupled to the first current source, for generating an output signal according to a total capacitance controlled by a comparison signal; a signal conversion circuit, coupled to the adjustable capacitive component, for restoring charges stored in the adjustable capacitive component to a predetermined value when a voltage level of the output signal reaches a reference value to generate a clock-like signal; and a comparison circuit, coupled to the signal conversion circuit and the adjustable capacitive component, for comparing a period of the clock-like signal with a reference period of a reference clock signal and generating the comparison signal to adjust the total capacitance of the adjustable capacitive component when periods are not the same. | 08-06-2009 |
20090206666 | DISTRIBUTED POWER HARVESTING SYSTEMS USING DC POWER SOURCES - A distributed power harvesting system including multiple direct current (DC) power sources with respective DC outputs adapted for interconnection into a interconnected DC power source output. A converter includes input terminals adapted for coupling to the interconnected DC power source output. A circuit loop sets the voltage and current at the input terminals of the converter according to predetermined criteria. A power conversion portion converts the power received at the input terminals to an output power at the output terminals. A power supplier is coupled to the output terminals. The power supplier includes a control part for maintaining the input to the power supplier at a predetermined value. The control part maintains the input voltage and/or input current to the power supplier at a predetermined value. | 08-20-2009 |
20090230770 | Internal Power Supply Circuit Having a Cascode Current Mirror Circuit - A current mirror circuit which is connected to first and second power supplies and generates a desired current, has a plurality of first transistors which are connected in parallel to the first power supply side and the gates of which are connected to a common node, a plurality of second transistors which are cascode-connected to the plurality of first transistors and the gates of which are supplied with a cascode bias potential and a cascode bias generation circuit which generates the cascode bias potential, wherein the cascode bias generation circuit maintains the cascode bias potential during normal operation at a first potential between the potentials of the first and second power supplies, and maintains the cascode bias potential during power-on at a second potential closer to the potential of the second power supply than the first potential. | 09-17-2009 |
20090243390 | POWER SUPPLY APPARATUS AND POWER CONTROL METHOD - According to one embodiment, a power supply apparatus comprises a DC/DC converter coupled to an output of a fuel cell, a first diode connected between the output of the DC/DC converter and an output terminal of the apparatus, a second diode connected between an output of a secondary battery and the output terminal, a first transistor connected in parallel with the first diode, a second transistor connected in parallel with the second diode, and a control module configured to set the first and the second transistor to the off and the on state, respectively, when the output voltage of the DC/DC converter is equal to or lower than a reference voltage, and to set the first and the second transistor to the on and the off state, respectively, when the output voltage of the DC/DC converter is higher than the reference voltage. | 10-01-2009 |
20090302680 | DISTRIBUTED PHOTOVOLTAIC POWER GENERATION SYSTEM - Power is provided to one or more loads by a photovoltaic power generating system wherein the system provides alternating current. No direct current connection is required, allowing the system to be collocated with a load. | 12-10-2009 |
20090309420 | Power Over Ethernet Combiner - A system includes (a) an access point; (b) a switch providing power for use in the access point; and (c) a combiner disposed between the switch and the access point. The combiner receives at least two power supplies from the switch. The combiner is configured to combine the at least two power supplies to generate a third power supply. The third power supply is transferred to power the access point. | 12-17-2009 |
20100026097 | Systems to Connect Multiple Direct Current Energy Sources to an Alternating Current System - High voltage direct current systems to connect direct current energy sources to an alternating current system. In one aspect, a system includes a plurality of direct current modules having variable direct current inputs; an inverter; and a direct current bus to connect the direct current modules to the inverter, where the bus is configured to operate at a nominal voltage higher than 100 volts and to operate within 10 percent of the nominal operating voltage. | 02-04-2010 |
20100045111 | MULTI-LAYER MODULAR ENERGY HARVESTING APPARATUS, SYSTEM AND METHOD - A multilayer piezoelectric generator is disclosed comprising a round, rectangular or other shaped box having a cover. In the box are top and bottom electrodes and a plurality of electricity generating layers. Each Layer comprises a plurality of piezoelectric rods held in place by a matrix layer that fits snugly in the box and configured to accept shear strains developed in the rods when pressure is applied to the cover. The layers are separated by central electrode layers. The structure is configures such that pressure is evenly spreads among all the rods and causes the rods to make contacts with the electrodes. Rods in adjacent layers are oppositely poled, and the electrodes are configured and wired such that all the rods are connected parallel such that their generated charge is summed. Adaptation of the generator to its application is done by changing the number and thickness of the layers. | 02-25-2010 |
20100052423 | BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF - Disclosed is a small-size, high-efficiency, isolated, bidirectional DC-DC converter. The bidirectional DC-DC converter includes a transformer in which windings are magnetically coupled, switching circuits, a diode which is connected in parallel with a switch, smoothing capacitors, and a control section. First and second DC power supplies, which are connected in parallel with the smoothing capacitors, respectively, provide bidirectional electrical power transfer. When electrical power is to be transferred from the first DC power supply to the second DC power supply, the switch is maintained in the ON state. When, on the other hand, electrical power is to be transferred from the second DC power supply to the first DC power supply, the switch is maintained in the OFF state to prevent a reverse electrical power flow from the first DC power supply. | 03-04-2010 |
20100066171 | MULTIPLE POWER SOURCE POWER SUPPLY - A multiple power source power supply may include multiple power sources fed by separate power sources. A multiple power source power supply may also include a first power factor correction circuitry and a second power factor correction circuitry. A multiple power source power supply may also include a single converter. A plurality of multiple power source power supplies may be combined to provide a cost and energy efficient power supply system. | 03-18-2010 |
20100079002 | Power Supply Device And Electric Vehicle Incorporating Said Device - A power supply device | 04-01-2010 |
20100141033 | EFFICIENT PWM CONTROLLER - This patent discloses an efficient PWM controller for generating a pulse signal in response to a feedback signal, capable of operating in a normal mode or a green mode, comprising: a capacitor for building a saw-tooth signal by current integration, the saw-tooth signal having a ramp-up period and a ramp-down period; a first composite current source for the ramp-up period, detachable into a first constant current source and a first variable current source; and a second composite current source for the ramp-down period, detachable into a second constant current source and a second variable current source; wherein, the first variable current source is attached to the first constant current source and the second variable current source is attached to the second constant current source respectively in the green mode. | 06-10-2010 |
20100164286 | POWER SUPPLY VOLTAGE ADJUSTING APPARATUS, RECORDING MEDIUM, AND POWER SUPPLY VOLTAGE ADJUSTING METHOD - A power supply voltage adjusting apparatus includes a voltage setting part that, according to a characteristic variation of a semiconductor integrated circuit, sets a first power supply voltage of a first power supply domain module among a plurality of modules in the semiconductor integrated circuit, each module respectively having a different power supply voltage; a detecting part that compares phases of a first clock signal flowing through the first power supply domain module and a second clock signal flowing through a second power supply domain module to detect a phase difference; and a voltage adjusting part that adjusts a second power supply voltage supplied to the second power supply domain module to reduce the phase difference detected by the detecting part. | 07-01-2010 |
20100207450 | SWITCHING CIRCUIT AND POWER CONVERTER - The invention provides a switching circuit and a power converter having a built-in power source for a conduction control terminal even if they have a single-arm structure. In the switching circuit having a switching device and a conduction control terminal power source capacitor, a negative terminal of the capacitor is connected to a reference voltage terminal of a main power source and to the gate terminal selectively through a half-bridge circuit and a positive terminal of the capacitor is selectively connected to a positive terminal of the main power source and to a source terminal of the switching device through a half-bridge circuit. The capacitor is charged when the positive terminal is connected to the main power source and discharges when the negative terminal is connected to the gate terminal and the positive terminal is connected to the source terminal and applies voltage to the gate terminal of the switching device. | 08-19-2010 |
20100207451 | Analog Photovoltaic Power Circuit - The present invention discloses an analog photovoltaic power circuit, comprising: a photovoltaic device group for receiving photo energy to generate an input voltage; a power stage circuit for converting the input voltage to an output voltage; an optimum voltage estimation circuit for receiving a predetermined voltage and estimating an optimum voltage according to a direction of variation of the input voltage and a direction of variation of the power generated by the photovoltaic device group; and an analog comparison and control circuit for comparing the optimum voltage with the input voltage, to thereby control the operation of the power stage circuit. | 08-19-2010 |
20100225169 | REVERSE CURRENT PREVENTING CIRCUIT AND POWER SOURCE SWITCHING APPARATUS - A reverse current preventing circuit of an N channel type switching MOS transistor connected between a voltage input terminal and an output terminal to control a conduction state between the voltage input terminal and the output terminal, the circuit comprises: a first MOS transistor connected between a substrate of the switching MOS transistor and a ground point; and a second MOS transistor connected between the substrate of the switching MOS transistor and a point having a piece of predetermined constant potential higher than that of the ground point, wherein the piece of predetermined constant potential higher than that of the ground point is applied to the substrate of the switching MOS transistor while the switching MOS transistor is made to be in its on-state, and ground potential is applied to the substrate of the switching MOS transistor while the switching MOS transistor is made to be in its off-state. | 09-09-2010 |
20100244564 | Distributing power to an integrated circuit - A power supply cell for distributing power supplied from a first voltage supply to an integrated circuit is disclosed. The power supply cell comprises: a layer comprising conductive material, the conductive material providing a conduction path for current flowing from the first voltage supply to a portion of the integrated circuit to be powered and further providing a protection path for surge current flowing between the first voltage supply and an electrostatic discharge protection device and between the electrostatic discharge protection device and the second voltage supply; the conductive material forming a first conduction path for providing a path for current flowing between the first voltage supply and the portion of the integrated circuit to be powered and for providing a portion of the protection path for surge current flowing between the first voltage supply and the electrostatic discharge protection device and a second conduction path for providing a further portion of the protection path for surge current flowing between the second voltage supply and the electrostatic discharge protection device; wherein the conductive material is arranged such that the first conduction path has a significantly lower resistance than the second conduction path. | 09-30-2010 |
20100253144 | METHOD AND DEVICE FOR LOWERING THE IMPEDANCE OF A FET (FIELD EFFECT TRANSISTOR) - A low impedance polarity conversion circuit for driving a load with a DC power source is disclosed. The DC power source has a first pole from which a first DC signal originates and a second pole from which a second DC signal originates. The first DC signal has a voltage greater than a voltage of the second DC signal. The conversion circuit includes a circuit output node through which an output DC signal is delivered from the conversion circuit to the load. The conversion circuit also includes a charge conditioning circuit for generating third and fourth DC signals. The third DC signal has a voltage greater than the first DC signal voltage and the fourth DC signal has a voltage less than the second DC signal voltage. A rectification circuit includes first and second inputs for attachment to the first pole and the second pole. A Field-Effect Transistor (FET) bridge is electrically connected to the first and second inputs. The FET bridge includes first and second pairs of cooperating FETs. The third voltage controls a first of the first pair of FETs and a first of the second pair of FETs. The fourth voltage controls a second of the first pair of FETs and a second of the second pair of FETs. The FET bridge is for rectifying the first and second DC signals in order that the output DC signal is the same polarity irrespective of whether the first input is attached to the first pole or the second pole. | 10-07-2010 |
20100264735 | SEMICONDUCTOR DEVICE AND INFORMATION PROCESSING APPARATUS USING THE SAME - Objects of the invention are to minimize power consumption while maintaining the required information processing capabilities of an LSI chip by supplying multiple voltages to the LSI chip such that its circuit blocks receive necessary voltages and to prevent an increase in the chip area of the LSI chip and performance degradation of signal wires, which may result from the supply of the multiple voltages, by reducing the number of power supply wires. | 10-21-2010 |
20100289334 | INVERTER - The invention relates to an inverter for converting DC voltage into an alternating voltage or an AC voltage, comprising a first series connection that is connected to the DC voltage terminals and comprises at least one first electronic switch and a first inductance for accumulating the interconnected energy and a plurality of second electronic switches for transferring the accumulated energy. A second inductance is tightly coupled to the first inductance, both inductances supplying their energy to a filter capacitor that is arranged in parallel to the AC voltage terminal, respectively via a second electronic switch. Said inverter also comprises a shunt arm that comprises a series connection from a third clocked switch and a capacitor for receiving the energy from the leakage inductances and that is connected to the first inductance and the series connection of one of the second switches and the second inductance. The invention also relates to the use thereof, for example, with a solar generator for introducing into a public network. | 11-18-2010 |
20100320839 | Bidirectional Power Converters - Circuits and methods for bidirectional power conversion are provided that allow mobile and other devices to generate power suitable to support multiple modes of operation. The bidirectional power converters of the present invention may operate in both step up and step down configurations rather than having a single dedicated conversion function and use many of the same components thereby reducing converter size and complexity. | 12-23-2010 |
20100327656 | MULTIPLE POWER SUPPLY CONTROL - Apparatus and methods are provided. A system includes two or more power supplies receiving electrical energy from respective independent sources. One of the power supplies detects an anomalous condition of the associated energy source and provides an alert signal. At least one of the other power supplies transitions from a standby mode to a normal output mode in response to the alert signal. The failing power supply provides operating level energy to an electrical load while the one or more other power supplies transition from standby to normal output level. | 12-30-2010 |
20100327657 | SYSTEM AND METHOD FOR UTILITY POLE DISTRIBUTED SOLAR POWER GENERATION - A system and method for providing grid connected utility pole distributed solar power generation is disclosed. The system includes a utility pole, an inverter and one or more solar panels. Each of the one or more solar panels is mounted on the utility pole. The method includes receiving solar energy at the one or more solar panels. The one or more solar panels convert the solar energy to direct current (DC) electrical energy. Further, the method includes transmitting the DC electrical energy to the inverter, which is mounted on the utility pole. The inverter can be integrated with one or more solar panels to form an alternating current photovoltaic (AC PV) module. Furthermore, the method includes converting the DC electrical energy to alternating current (AC) electrical energy by the inverter and transmitting the AC electrical energy to a grid for power distribution. | 12-30-2010 |
20110001359 | LOAD SHARING DEVICE AND PARALLEL POWER SUPPLY THEREWITH - The present invention relates to a load sharing device and a parallel power supply therewith. There is provided a parallel power supply, including: a plurality of power supply modules each connected to a single load in parallel to provide balanced output currents to the single load; a common voltage control signal output unit that generates a common voltage control signal from output voltages of the plurality of power supply modules and outputs the common voltage control signals to the plurality of power supply modules; and output voltage control units that are provided in the respective plurality of power supply modules to detect output currents of the plurality of power supply modules and to control output voltages of the plurality of power supply modules according to the detected signals, controlling the output voltages to be in a predetermined voltage range according to the common voltage control signals. | 01-06-2011 |
20110018347 | POWER SOURCE DEVICE AND OUTPUT VOLTAGE CHANGING METHOD OF THE POWER SOURCE DEVICE - A power source device includes a main power source circuit, a sub power source circuit whose output voltage is changed when the output voltage of the main power source circuit is changed, a voltage difference detecting circuit which detects whether a voltage difference between the output voltages of the main and sub power source circuits is within a predetermined voltage difference, and a voltage control circuit which controls the output voltages of the main and sub power source circuits based on a voltage changing signal and an output from the voltage difference detecting circuit. The voltage control circuit controls so that the voltage difference between the output voltages of the main and sub power source circuits is within the predetermined voltage difference by controlling output voltage changing speed when the voltage difference between the output voltages of the main and sub power source circuits is over the predetermined voltage difference. | 01-27-2011 |
20110037318 | Integrated battery device - An integrated battery device comprises two or more power battery sets, at least one DC-DC converter and a control unit. Each of the power battery sets has a battery level monitoring unit. The battery level monitoring unit is electrically connected with the control unit. Each of the power battery sets is electrically connected with a battery management system (BMS) and the DC-DC converter, and all of the power battery sets are electrically connected with the control unit in parallel. By the above configuration, the integrated battery device can completely exhaust the power battery sets without waste instead of affecting the service life of the power battery sets, so as to effectively improve durability of devices powered by the integrated battery device. | 02-17-2011 |
20110037319 | BIDIRECTIONAL DC/DC CONVERTER AND POWER CONDITIONER - A bidirectional DC/DC converter includes a bidirectional DC/AC conversion circuit including a push-pull circuit connected between voltage terminals and a winding and having a switching element and a switching element coupled to opposing ends of the winding respectively, and an up-conversion circuit coupled to the push-pull circuit and the voltage terminals and the up-conversion circuit includes an inductor for allowing passage of a current through the winding, the switching element in an ON state and the switching element in an ON state owing to stored magnetic energy, and a switching element forming a current path going through the voltage terminal, the inductor and the voltage terminal but not through the switching element and the switching element as it is turned on. | 02-17-2011 |
20110043036 | RAPID ACTIVATION FUSIBLE LINK - An assembly includes a plurality of energy storage components. An energy storage component is electrically coupled to at least two other energy storage components of the plurality by at least two electrical pathways, each including a fusible link. The at least two electrical pathways may be formed in a circuit board. The energy storage component may be coupled to the circuit board by a fusible link. | 02-24-2011 |
20110049989 | DC-DC CONVERTER CIRCUIT - This inverter circuit includes two switching elements which are turned alternately ON and OFF, and a first primary winding connected in series between these switching elements, and also includes an output transformer having a secondary winding for obtaining an output voltage. This inverter circuit also includes a first voltage source and a second voltage source. The first voltage source applies a voltage to the first switching element via the first primary winding. And the second voltage source applies a voltage to the second switching element via the second primary winding. This inverter circuit also includes a regeneration snubber circuit for regenerating charge accumulated in a snubber capacitor. The regeneration snubber circuit includes a regeneration circuit including a voltage boost section which converts the primary side voltage of the output transformer to a predetermined voltage, which it outputs. | 03-03-2011 |
20110062781 | TRANSMISSION LINE DRIVER AND METHOD FOR DRIVING THE SAME - A transmission line driver and a method for driving the same are provided, in which a composite current source is provided as an input current source, such that an output voltage is fixed. The composite current source includes an internal current source and an external current source. The composite current source is supplied to a single-ended transmission line driver or a differential transmission line driver, such that the output voltage is fixed. | 03-17-2011 |
20110062782 | EXTENDING ACHIEVABLE DUTY CYCLE RANGE IN DC/DC FORWARD CONVERTER WITH ACTIVE CLAMP RESET - Novel system and methodology are provided for controlling a DC/DC forward converter having a transformer with primary and secondary windings, a reset switch, and a first switch coupled to the primary winding of the transformer. The control system involves a PWM control circuit responsive to an output signal of the converter for producing a PWM signal to control switching of the reset switch, and the first switch. A period of the PWM signal includes an on-time interval for enabling transfer of power via the transformer when the first switch is on, and a reset time interval for enabling reset of the transformer when the reset switch is on. A maximum value of the on-time interval is pre-set to provide sufficient time for the reset. The reset switch is turned off when the PWM signal goes from a first level to a second level. A first delay period is set between time when the reset switch turns off and time when the first switch turns on. A first delay control circuit is provided for reducing the first delay time when the on-time interval approaches the maximum value. Further, the converter may include a second switch coupled to the secondary winding of the transformer. A second delay period shorter than the first delay period may be set between time when the reset switch turns off and time when the second switch turns on. A second delay control circuit may be provided for reducing the second delay period when the on-time interval approaches the maximum value. | 03-17-2011 |
20110089762 | LOSSLESS SHORT-DURATION ELECTRICAL STORAGE MEANS FOR POWER GENERATION SYSTEM - A vehicle energy harvester including a subunit having an upper surface forming a roadway surface; a vehicle activated treadle on the subunit, the vehicle activated treadle moveable between a first position in which an upper surface of the treadle is at an angle with respect to the upper surface of the roadway surface and a second position in which the upper surface of the treadle is flush with the upper surface of the roadway surface; a generator that generates power in response to movement of the vehicle activated treadle from the first position to the second position and from the second position to the first position; and a capacitor coupled to the generator, the capacitor storing power generated by the generator. | 04-21-2011 |
20110095609 | SYSTEMS AND METHODS FOR REGULATING POWER IN RENEWABLE ENERGY SOURCES - Certain embodiments of the invention may include systems and methods for regulating power in renewable energy sources. According to an exemplary embodiment of the invention, a method is provided for regulating active power produced by the renewable energy source towards an apparent power setpoint. The method may include selectively regulating voltage based on power factor foldback or voltage foldback associated with the renewable energy source. When power factor foldback is selected, the method may include regulating the power factor associated with the renewable energy source based at least in part on a power factor angle magnitude setpoint, and reducing the power factor angle magnitude setpoint towards zero when apparent power produced by the renewable energy source approaches or exceeds the apparent power setpoint. When voltage foldback is selected, the method may include regulating voltage of the renewable energy source based at least in part on measured VARs and an apparent power ratio, where the apparent power ratio is about equal to the apparent power divided by the apparent power setpoint. | 04-28-2011 |
20110095610 | SYSTEM FOR PROCESSING ANALOG-TYPE ELECTRICAL SIGNALS WITH LOW NOISE DRIVING DEVICE - A system includes analog supply circuitry providing first and second analog potentials. A switch module assumes first or second states to enable and inhibit transfer of an analog electrical signal from a source module to a user module based upon a driving electrical signal. A driving device drives, based upon the driving electrical signal, a control terminal of the switch module, allowing the switch module to assume the first or second state. The driving device allows the switch module to make a first driving transition from the first state to the second state, and a second driving transition from the second state to the first state. The driving device alternately connects the control terminal to a first reference potential, during the first state, and to a second reference potential, during the second state. The driving device connects the control terminal of the switch module to a third reference potential electrically distinct from the first and the second analog potentials, during each of the time intervals associated to the first or second driving transitions of the switch module. | 04-28-2011 |
20110121652 | PAIRING OF COMPONENTS IN A DIRECT CURRENT DISTRIBUTED POWER GENERATION SYSTEM - A method of signaling between a photovoltaic module and an inverter module. The inverter module is connected to the photovoltaic module. In an initial mode of operation an initial code is modulated thereby producing an initial signal. The initial signal is transmitted from the inverter module to the photovoltaic module. The initial signal is received by the photovoltaic module. The operating mode is then changed to a normal mode of power conversion, and during the normal mode of operation a control signal is transmitted from the inverter to the photovoltaic module. A control code is demodulated and received from the control signal. The control code is compared with the initial code producing a comparison. The control command of the control signal is validated as a valid control command from the inverter module with the control command only acted upon when the comparison is a positive comparison. | 05-26-2011 |
20110148200 | Over Voltage Protection of a Switching Converter - Embodiments for at least one method and apparatus of generating a regulated voltage are disclosed. One apparatus includes a voltage regulator. The voltage regulator includes regulator circuitry for generating a regulated voltage from a first power supply and a second power supply, and voltage spike protection circuitry for voltage-spike-protecting the regulator circuitry, wherein the voltage spike protection circuitry includes a dissipative element and a charge-storage circuit. One method includes a method of generating a regulated voltage. The method includes regulator circuitry generating a regulated voltage from an input voltage, and voltage-spike-protecting the regulator circuitry with voltage spike protection circuitry, wherein the voltage spike protection circuitry includes a dissipative element and a charge-storage circuit. | 06-23-2011 |
20110148201 | FUSE ELEMENT HAVING DAMPING STRUCTURE - A fuse element having a damping structure is disclosed. The fuse element includes a fuse body having two ends, a housing for encapsulating the fuse body and two extending anchor sections connected to the two ends. A meltable portion is coupled between the two ends and housed by the housing, so that the metable portion, when melted, will not contaminate the surrounding space. At least one of the anchor sections has at least one flexible conductive portion. If the fuse element is mounted in a circuit and subjected to shock and vibration, the flexible conductive portion will absorb the mechanical stresses placed on the terminals and the fuse body. As a result, the safety and reliability of the fuse element and the apparatus to which it is connected is significantly enhanced. | 06-23-2011 |
20110175449 | POWER SUPPLY CIRCUIT - A power supply circuit generates the internal power supply voltage intVCC from a first power supply capable of supplying a first power supply voltage V | 07-21-2011 |
20110215643 | SOLAR MODULE - A solar module includes a plurality of serially connected photovoltaic solar cells and current connections configured to provide solar current generated by the photovoltaic solar cells and configured for connecting the solar module to at least one additional solar module. A mechanical switching contact is connected in parallel with the serially connected solar cells and a pressure actuator is connected to the switching contact. The pressure actuator is configured so as to open the switching contact against the action of a spring element in response to a control pressure above a predetermined threshold and so as to allow closure of the switching contact, by action of the spring element, in response to a control pressure below the predetermined threshold. The pressure actuator is connected to a control connection for coupling to a control pressure line. | 09-08-2011 |
20110221273 | Inverter Power System - A photovoltaic system may include a DC to AC inverter, a voltage sensor configured to measure an input voltage from a photovoltaic array, and a controller configured to calculate a voltage differential. | 09-15-2011 |
20110221274 | Photovoltaic Grounding - A photovoltaic power system can include a switched grounding system. | 09-15-2011 |
20110227413 | POWER SUPPLY APPARATUS - A power supply apparatus is provided. The power supply apparatus includes two power suppliers coupled in parallel so as to simultaneously supply the electric power required by an electronic product in operation. The power supply apparatus provided by the invention may stably/accurately output the desired DC output voltage to the electronic product, and may further in advance increase a main power generated inside the other power supplier when one of the power suppliers is over voltage, thereby avoiding an oversized voltage drop from occurring in the DC output voltage. | 09-22-2011 |
20110273014 | VOLTAGE CONVERSION DEVICE AND ELECTRICAL LOAD DRIVING DEVICE - A voltage conversion device includes: first and second loop circuits having a common inductance element. Electric current alternately flows through the first or second loop circuit as a first switching element of the first loop circuit is turned on or off. A magnetic field that is formed when the first switching element is turned on and that penetrates through the first loop circuit and a magnetic field that is formed when the first switching element is turned off after it is turned on and that penetrates through the second loop circuit have the same direction. All elements that constitute the first and second loop circuits are arranged on the same surface of a substrate. The second loop circuit is connected to a second direct-current power source. The first loop circuit is connected to a first direct-current power source. | 11-10-2011 |
20110273015 | DISTRIBUTED POWER HARVESTING SYSTEMS USING DC POWER SOURCES - A photovoltaic panel with multiple photovoltaic sub-strings including serially-connected photovoltaic cells and having direct current (DC) outputs adapted for interconnection in parallel into a parallel-connected DC power source. A direct current (DC) power converter including input terminals and output terminals is adapted for coupling to the parallel-connected DC power source and for converting an input power received at the input terminals to an output power at the output terminals. The direct current (DC) power converter optionally has a control loop configured to set the input power received at the input terminals according to a previously determined criterion. The control loop may be adapted to receive a feedback signal from the input terminals for maximizing the input power. A bypass diode is typically connected in shunt across the input terminals of the converter. The bypass diode functions by passing current during a failure of any of the sub-strings and/or a partial shading of the sub-strings. The bypass diode may be a single bypass diode connected across the parallel-connected DC power source. The DC power converter may convert the input power at high current to the output power at a lower current. The output terminals may be connectible with wire cables to a load, and the DC power converter is configured to reduce energy loss through the wire cables to the load. | 11-10-2011 |
20110278929 | PHOTOVOLTAIC SYSTEM - Exemplary embodiments of the disclosure relates to a photovoltaic system for generating an output voltage which is uninfluenced by varying irradiation. The photovoltaic system includes at least one photovoltaic unit having two photovoltaic sources, wherein each photovoltaic source includes an input terminal and an output terminal. The photovoltaic unit includes two voltage adding arrangements, each voltage adding arrangement having a first route including a voltage source and a second route including a voltage source bypass. The first voltage adding arrangement is connected in series with the first photovoltaic source and the second voltage adding arrangement is connected in series with the second photovoltaic source. A switch is arranged between an input terminal of the first photovoltaic source and an output terminal of the second photovoltaic source. The input terminals of the photovoltaic unit, which include an external interface of the photovoltaic system, are interconnected and the output terminals of the photovoltaic unit constituting the external interface of the photovoltaic system are interconnected. | 11-17-2011 |
20110291478 | POWER DISTRIBUTION MANAGEMENT - A method for power distribution management includes receiving data specifying a group of Power Distribution Units (PDUs) from which an electronic device powered by at least one of the group of PDUs draws power; and automatically determining whether the electronic device is redundantly powered. | 12-01-2011 |
20110291479 | ENERGY STORAGE SYSTEM AND METHOD OF CONTROLLING THE SAME - An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state of a power converting unit, a bidirectional converter, and a bidirectional inverter based on conditions of the power generation system, the battery, and the load. | 12-01-2011 |
20110291480 | MAXIMUM POWER POINT TRACKING METHOD, PHOTOVOLTAIC SYSTEM CONTROLER AND PHOTOVOLTAIC SYSTEM - Disclosed is a method ( | 12-01-2011 |
20110304210 | Switching Configuration and Procedure for the Production of One Alternating Voltage from a Majority of Unrelated Supply Terminals with Temporally Variable Output DC Voltage - A circuit, having a plurality of regulated, parallel, voltage sources, an a.c.-d.c. converter circuit and a regulating unit, and a method for controlling it. The regulated voltage sources include an unregulated voltage source of a temporally variable output d.c. voltage, a step-up converter and an associated regulating device, where the step-up converter is a three-point step-up converter. The regulating unit measures the intermediate circuit voltage of the a.c.-d.c. converter circuit and is connected with the regulating devices. In the method for control, the regulating unit determines the voltage in the intermediate circuit of the a.c.-d.c. converter circuit and from this determines, as a function of the maximally and minimally permissible intermediate circuit voltage, a set-point value for the output voltage of the regulated voltage sources. This set-point value is transmitted to the regulating devices, from which the regulating devices determine the control conditions for the step-up converter. | 12-15-2011 |
20110316340 | POWER GENERATING SYSTEM - A power generating system includes a control device, a first current detection device detecting a load alternating electric current, and a second current detection device detecting a direct current of the direct current power converted by a first converter. The control device obtains a first integrated value by integrating a direct current component corresponding to a positive electric current positioned at a positive side relative to a zero-crossing of the load alternating electric current among the direct current of the direct current power converted by the first converter and detected by the second current detection device by time, obtains a second integrated value by integrating a direct current component corresponding to a negative electric current by time, and detects a direct current component included in the load alternating electric current on the basis of a degree of a difference between the first integrated value and the second integrated value. | 12-29-2011 |
20120007426 | Multiple DC power generation systems common load coupler - A simplified means to couple or network a plurality of DC Power Generating Systems having similar voltage ratings to a common bus or load. | 01-12-2012 |
20120007427 | NO BREAK POWER TRANSFER WITH SOLID STATE POWER CONTROLS - A method of controlling a power system provides at least two alternative sources of power delivering power to a power bus. Switches are provided between each of the at least two sources of power and the power bus. The bus is powered by a first of the at least two sources of power. A characteristic of the power supplied by the sources of power is monitored. Switching from the first source of power to a second source of power occurs by opening a switch associated with the first source of power, and closing the switch associated with the second source of power. The timing for performing the switching is selected such that one or more characteristics of the power supplied by the first and second sources of power are close to each other to minimize the apparent break in the power. A power system incorporate controls for effecting the method. | 01-12-2012 |
20120019068 | FUEL CELL SYSTEM - The present invention detects a failure in an FC converter. A target voltage determination section determines an output target voltage for a fuel cell. A superimposition signal generation section generates a predetermined reference signal to be superimposed onto the output target voltage. A voltage command signal generation section generates a voltage command signal by superimposing the reference signal onto the output target voltage. A frequency characteristics calculation section calculates the frequency characteristics of the reference signal component superimposed on the output voltage of the fuel cell. A failure judgment section judges that a failure occurs in the FC converter if a value of the calculated frequency characteristics is less than the lower limit threshold value of an allowable range established based on reference characteristics. A gain adjustment section adjusts the gains in the FC converter so that the frequency characteristics calculated by the frequency characteristics calculation section correspond to the reference characteristics. | 01-26-2012 |
20120025611 | WIRELESS POWER FEEDING SYSTEM AND WIRELESS POWER FEEDING METHOD - A power feeding device which wirelessly supplies power to a power receiver receives a position and resonant frequency detection signal from the power receiver, detects the position and the resonant frequency of the power receiver, and controls the frequency of a power signal to be transmitted to the power receiver on the basis of the information. As the power signal for power transmission, two signals having different frequencies, which are generated using a mixer by mixing a base carrier (a first signal) with a conversion carrier (a second signal) generated on the basis of the resonant frequency, are used. | 02-02-2012 |
20120032511 | VSS-SENSING AMPLIFIER - Some embodiments regard a circuit comprising a memory cell, a first data line, a second data line, a sensing circuit coupled to the first data line and the second data line, a node selectively coupled to at least three voltage sources via at least three respective switches, a fourth switch, and a fifth switch. A first voltage source is configured to supply a retention voltage to the node via a first switch. A second voltage source is configured to supply a ground reference voltage to the node via a second switch, and a third voltage source is configured to supply a reference voltage to the node via a third switch. The fourth switch and fifth switch are configured to receive a respective first control signal and second control signal and to pass a voltage at the node to the respective first data line and second data line. | 02-09-2012 |
20120032512 | M2LC System Coupled to a Current Source Power Supply - A system. The system is a modular multilevel converter system and includes a plurality of series connected two-terminal modular multilevel converter subsystems. The subsystems are magnetically coupled to an AC current source power supply. | 02-09-2012 |
20120032513 | BATTERY MANAGEMENT CIRCUIT, BATTERY MODULE AND BATTERY MANAGEMENT METHOD - A battery management circuit, a battery module and a battery management method are provided. The battery management circuit includes a conduction circuit and a control circuit. The battery management is coupled to a rechargeable battery cell and has a first conduction path passing through the rechargeable battery cell and a second conduction path without passing through the rechargeable battery cell. The control circuit is coupled to the rechargeable battery cell and the conduction circuit, and conducts selectively the first conduction path or the second conduction path of the conduction circuit so as to avoid over charging or over discharging of the rechargeable battery cell. | 02-09-2012 |
20120043814 | SOLAR CELL AND BATTERY 3D INTEGRATION - An integrated photovoltaic cell and battery device, a method of manufacturing the same and a photovoltaic power system incorporating the integrated photovoltaic cell and battery device. The integrated photovoltaic cell and battery device includes a photovoltaic cell, a battery, and interconnects providing three-dimensional integration of the photovoltaic cell and the battery into an integrated device for capturing and storing solar energy. Also provided is a design structure readable by a machine to simulate, design, or manufacture the above integrated photovoltaic cell and battery device. | 02-23-2012 |
20120056480 | Control device, electronic apparatus, timepiece device, and control method - There are provided an operation input unit that pulls down or pulls up a signal input from an operating unit, a control unit that executes a predetermined operation according to the signal input through the operation input unit, and a power control unit that controls the control unit so as not to execute the predetermined operation and also controls the input unit so as not to pull down or pull up the signal according to a state of supplied electric power. | 03-08-2012 |
20120062032 | ENERGY HARVESTING RESISTOR - The harvesting Resistor consists of single or dual supply DC to DC converter, which has a current sense resistor in series with its output port. The sensed current magnitude is coupled back to modulate the duty cycle in a way such that a voltage to current together with the power absorbing relationship of a resistor is appearing at the DC to DC converter's output port. Such an emulated resistor, when connected to an external power source, can efficiently transfer the absorbed energy from an external power source to the single or dual supplies of the DC to DC converter. | 03-15-2012 |
20120068537 | ENERGY MANAGEMENT SYSTEM - An energy management system and method connecting a load to multiple energy sources. The system includes a load connection, source connections for each energy source, a control unit and at least one energy management module having an inductor and four switches. The first source is in parallel with the load. The first switch couples the first source positive terminal to the first inductor end, second switch couples the first source negative terminal to the first inductor end, third switch couples the second source positive terminal to the second inductor end, and fourth switch couples the second source negative terminal to the second inductor end. The control unit controls the four switches of each module to transfer energy between the energy sources through the module inductor. The system can have more than two sources. Modes including one or two switch, synchronous or asynchronous, and buck or boost can be used. | 03-22-2012 |
20120068538 | ELECTRONIC DEVICE HAVING DATA TRANSMISSION INTERFACE CAPABLE OF RECEIVING EXTERNAL POWER AND TRANSMITTING ELECTRONIC DATA - The present invention is related to an electronic device capable of transmitting electronic data and receiving power input via at least one data transmission interface and the method thereof. The electronic device of the present invention utilizes data transmission interfaces of different standards to receive electrical power as well as electronic data via said different data transmission interfaces simultaneously. The first data transmission interface circuit is configured to receive electric power from a first external power source and the second data transmission interface is configured to receive electric power from a second external power source. | 03-22-2012 |
20120068539 | SEMICONDUCTOR INTEGRATED CIRCUIT - A constantly power-ON domain and a standby-time power OFF domain are included on the same chip, and the constantly power-ON domain includes: a shutoff control circuit shutting off a signal inputted and outputted between the constantly power-ON domain and the standby-time power OFF domain when the first power source is ON and the second power source is OFF; and a shutoff control circuit outputting a first control signal indicating that shutoff of an emergent shutoff control circuit unit is to be enabled or disabled, the standby-time power OFF domain includes the emergent shutoff control circuit unit shutting off, based on the first control signal from the shutoff control circuit, the signal inputted between the emergent shutoff control circuit unit and the constantly power-ON domain. | 03-22-2012 |
20120074783 | PASSIVE IMPEDANCE MATCHING - Methods, devices, and systems for passive impedance matching are provided. An example of a method of passive impedance matching includes providing a substantially equivalent impedance between a source and a load for three single-phase power supplies via a geometry of a busbar. The busbar can be coupled to the three-phase power supplies as the source and coupled to a plurality of electronic machines as the load. | 03-29-2012 |
20120080950 | Analog photovoltaic power circuit - The present invention discloses an analog photovoltaic power circuit, including: a photovoltaic device group for receiving photo energy to generate an input voltage, the input voltage corresponding to an input current; a power stage circuit for receiving the input voltage and generating an output voltage; an optimum current or voltage estimation circuit for receiving a predetermined voltage and estimating an optimum current or voltage point corresponding to an optimal output point according to a direction of variation of the input current and a direction of variation of the power generated by the photovoltaic device group; and an analog comparison and control circuit for comparing the optimum current or voltage with the input current or voltage, to thereby control the operation of the power stage circuit. | 04-05-2012 |
20120086273 | DYNAMIC THERMOSTATIC CONTROL OF SMALL-SCALE ELECTRICAL LOADS FOR MATCHING VARIATIONS IN ELECTRIC UTILITY SUPPLY - A method of dynamically controlling a small-scale electrical load receiving energy from an electricity grid that includes sources of renewable generation causing variations in electricity supply of the electricity grid. The small-scale electrical loads are coupled to a load-matching thermostat having a communication module and a controller that manage electricity load to electrical supply for the electrical load. | 04-12-2012 |
20120091806 | POWER CONDITIONER FOR FEEDING SYSTEM - A power conditioner for a feeding system which stabilizes a load of active power is provided. A power conditioner for a feeding system comprises a first AC-DC and DC-AC converter for performing conversion between AC power and DC power; and a nickel-metal hydride battery disposed between and connected to a high-voltage cable at DC side of the first AC-DC and DC-AC converter and a low-voltage cable at the DC side of the first AC-DC and DC-AC converter. | 04-19-2012 |
20120091807 | METHOD AND APPARATUS FOR DISCHARGING THE CAPACITORS OF A BOOST CONVERTER COMPOSED OF PLURAL BRIDGE DEVICES - The present invention concerns a method for discharging the capacitors of a boost converter composed of a number n of bridge devices connected in series, the boost converter is connected to electric direct current providing means, each bridge device is composed of plural switches and a capacitor. The method comprises the steps of setting the switches of the bridge devices in n−1 different configurations in order to discharge the capacitors of n−1 different bridge devices within n−1 consecutive periods of time. | 04-19-2012 |
20120098341 | BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF - Disclosed is a small-size, high-efficiency, isolated, bidirectional DC-DC converter. The bidirectional DC-DC converter includes a transformer in which windings are magnetically coupled, switching circuits, a diode which is connected in parallel with a switch, smoothing capacitors, and a control section. First and second DC power supplies, which are connected in parallel with the smoothing capacitors, respectively, provide bidirectional electrical power transfer. When electrical power is to be transferred from the first DC power supply to the second DC power supply, the switch is maintained in the ON state. When, on the other hand, electrical power is to be transferred from the second DC power supply to the first DC power supply, the switch is maintained in the OFF state to prevent a reverse electrical power flow from the first DC power supply. | 04-26-2012 |
20120104853 | POWER SOURCE CIRCUIT AND CONTROL METHOD THEREOF - There is provided a power source circuit ( | 05-03-2012 |
20120104854 | SEMICONDUCTOR DEVICE - There is provided a semiconductor device in which an influence of a power source noise is suppressed and the number of pins and the area of the semiconductor device are reduced. A power source line for a first internal circuit and a power source line for a second internal circuit are coupled to a common pin terminal. A ground line for the first internal circuit and a ground line for the second internal circuit are coupled to another common pin terminal. A power source noise generated on the power source line for the first internal circuit during an operation of the first internal circuit is absorbed by a P-channel MOS transistor and a capacitor. A power source noise generated on the ground line is absorbed by an N-channel MOS transistor and the capacitor. | 05-03-2012 |
20120112542 | METHOD OF TRIMMING A SOLAR ENERGY ASSEMBLY - A method of electrically eliminating defective solar cell units that are disposed within an integrated solar cells module and a method of trimming an output voltage of the integrated solar cells module are provided, where the solar cells module has a large number (e.g., 50 or more) of solar cell units integrally disposed therein and initially connected in series one to the next. The method includes providing a corresponding plurality of repair pads, each integrally extending from a respective electrode layer of the solar cell units, and providing a bypass conductor integrated within the module and extending adjacent to the repair pads. Pad-to-pad spacings and pad-to-bypass spacings are such that pad-to-pad connecting bridges may be selectively created between adjacent ones of the repair pads and such that pad-to-bypass connecting bridges may be selectively created between the repair pads and the adjacently extending bypass conductor. | 05-10-2012 |
20120112543 | INDUCTIVE POWER TRANSFER - The invention relates to a system for transmitting power inductively from a transmitter ( | 05-10-2012 |
20120119578 | Semiconductor device having pull-up circuit and pull-down circuit - To reduce power supply noises occurring in a control circuit unit for controlling an output buffer. A semiconductor device includes unit buffers for driving a data output terminal, impedance control circuits for controlling the unit buffers, and a control circuit unit for controlling the impedance control circuits. The impedance control circuits and the control circuit unit operate by mutually-different power supplies, the control circuit unit supplies pull-up data and pull-down data in mutually reverse phase to the impedance control circuits, and the impedance control circuits convert the pull-up data and the pull-down data from reverse phase to in-phase and supply the same to the unit buffers. Thereby, a noise is difficult to occur in a power supply VDD used for the control circuit unit. | 05-17-2012 |
20120126618 | DC-DC CONVERTER CIRCUIT - There is provided a DC-DC converter circuit with which conduction loss between switching elements is lower than in the conventional art, which affords an increase in power conversion efficiency. A DC-DC converter circuit includes a first switching element including a first semiconductor switch and a first diode, a second switching element including a second semiconductor switch and a second diode, an inductor connected between the cathodes of the first and second diodes, and a third switching element and a fourth switching element provided so as to face in mutually opposite directions on the anode sides of the first and second, wherein a first voltage supply is connected between the cathode side of the first diode and the anode side of the second diode, and a second voltage supply is connected between the anode side of the first diode and the cathode side of the second diode. | 05-24-2012 |
20120133206 | METHOD OF FORMING A POWER SUPPLY CONTROLLER AND SYSTEM THEREFOR - In one embodiment a power supply is configured to reuse a single power supply controller to regulate two different output voltages to two voltages including two different voltage values. | 05-31-2012 |
20120139343 | SAFETY MECHANISMS, WAKE UP AND SHUTDOWN METHODS IN DISTRIBUTED POWER INSTALLATIONS - A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in series to form a serial string. An inverter is coupled to the serial string. The inverter converts power input from the serial string to output power. A signaling mechanism between the inverter and the power module is adapted for controlling operation of the power modules. | 06-07-2012 |
20120161519 | SYSTEM AND METHOD FOR HOT-SWAPPING OF POWER SOURCES IN PORTABLE ELECTRONIC DEVICES - A method of hot-swapping in a portable electronic device having at least two power sources comprising determining one of the at least two power sources requires replacement; confirming that the portable electronic device is being powered by another of the at least two power sources; and transmitting an indication that the power source requiring replacement may be replaced without shutting down the portable electronic device. | 06-28-2012 |
20120161520 | DOUBLE LOOP STRUCTURE - A double loop structure includes: a first feed loop that is connected to a first high-frequency power source and energized; and a second feed loop which is connected to a second high-frequency power source, and in which an induced voltage is induced by the first feed loop. The first feed loop is provided with at least one twisting point a predetermined distance apart from the first high-frequency power source, or the second feed loop is provided with at least one twisting point a predetermined distance apart from the second high-frequency power source. | 06-28-2012 |
20120175956 | DC POWER SUPPLY FEEDING SYSTEM - According to one embodiment of a DC power supply feeding system, the system includes a DC voltage power supply that outputs a specified voltage by using a commercial AC power supply, a varying voltage power supply that generates power by using natural energy and outputs a varying voltage, and a reverse flow preventing elements that connects the DC voltage power supply and the varying voltage power supply in parallel while output sides are made to have same polarity, and supplies powers obtained from the DC voltage power supply and the varying voltage power supply to a load. When an amount of power generation of the varying voltage power supply is small, the power is intermittently supplied to the load. | 07-12-2012 |
20120181868 | APPARATUS AND METHOD FOR THE SEPARATE POWER SUPPLYING OF ELECTRONIC CIRCUITS - A device for the separate power supply of electronic circuits of the stages of the same apparatus comprising: a plurality of photovoltaic cells, mounted to a support structure, said photovoltaic cells being electrically connected in groups so as to supply, an output voltage and an electric current of the desired intensity; a plurality of power modules associated with the output of said groups of photovoltaic cells and adapted to power various sections of electronic circuits by means of voltages and currents of suitable value; at least one artificial light source associated with said support structures so as to illuminate said photovoltaic cells. | 07-19-2012 |
20120187763 | ELECTRONIC POWER SUPPLY - The present invention relates to power supplies and in particular to an electronic power supply that is mounted to a printed circuit board and can be used to power electronic circuits and devices. Disclosed is a power supply which includes a photoluminescent light source. The photoluminescent light source generates light in response to receiving input power. One or more than one photovoltaic device is in optical communication with the photoluminescent light source, and generates output power in response to receiving light from the photoluminescent light source. The amount of output power generated by the one or more than one photovoltaic device is greater than the amount of input power received by the photoluminescent light source. In some embodiments the photoluminescent light source includes a light-emitting device and a photoluminescent material, each of which is embedded in an optical coupling material. | 07-26-2012 |
20120200159 | SEMICONDUCTOR DEVICE - A semiconductor device includes: first and second power supply wirings VDDQ and VSSQ, respectively; an output circuit | 08-09-2012 |
20120205979 | USB ISOLATOR WITH ADVANCED CONTROL FEATURES - A USB-based isolator system conveys USB signals between a pair of galvanically isolated circuit systems and supports controlled enumeration by a downstream device on upstream USB signal lines. The isolator system provides a multi-mode voltage regulator to support multiple voltage supply configurations. The isolator system further provides control systems for each of the isolated circuit systems and provides robust control in a variety of start up conditions. Additionally, the isolator system includes refresh timers and watchdog mechanisms to support persistent operation but manage possible communication errors that can arise between the isolated circuit systems. | 08-16-2012 |
20120212056 | MODULARIZED BALANCING BRIDGE FOR MULTIPLE VOLTAGE SOURCES - A balancing bridge module includes a magnetic core, an intra-module pair of windings around the core, each to couple to a separate voltage source, and at least one inter-module winding around the core to couple to an adjacent balancing module. Each of the intra-module and inter-module windings has an equal number of turns and operates to balance voltages between the separate voltage sources and an adjacent module if coupled. | 08-23-2012 |
20120217804 | ADJUSTABLE TRANSFORMER FOR A MODEL VEHICLE - A system and method is provided for powering and/or controlling a plurality of model devices, including at least one model vehicle. In one embodiment of the present invention, the system includes an adjustable transformer in communication with at least a model train. The adjustable transformer is configured to convert an AC voltage into first and second AC output voltages based, respectively, on positions of first and second input devices. The adjustable transformer includes a processor configured to receive input signals from the input devices, and to generate corresponding control signals, which are used by drive circuits to convert an AC voltage into first and second outputs. The processor is further configured to display data concerning the first output on a display, and to replace the data concerning the first output with data concerning the second output if a signal is received from a sensor, indicating that the user has interacted with the second input device. | 08-30-2012 |
20120228938 | DC-AC Inverter Assembly, in Particular Solar Cell Inverter - A DC-AC inverter assembly, in particular a solar cell inverter of a photovoltaic plant, is disclosed. The inverter includes a semiconductor bridge circuit and wherein a DC chopper controller is provided for creating half-waves of an AC voltage on the output side and the bridge circuit is connected downstream of the DC chopper controller and acts as pole changer on the half-waves. | 09-13-2012 |
20120228939 | POWER SUPPLY METHOD, A RECORDING MEDIUM WHICH IS COMPUTER READABLE AND A POWER GENERATION SYSTEM - A method of controlling a battery storing electric power generated by a power generator generating electric power using renewable energy, comprising: computing a output value for the electric power to be supplied to an electric power transmission system based on a predetermined maximum charge rate of the battery, and a predetermined maximum discharge rate for the battery; and supplying to the electric power transmission system with electric power corresponding to the output value from at least one of the power generator and the battery. | 09-13-2012 |
20120235484 | METHOD OF CONTROLLING A BATTERY, COMPUTER READABLE RECORDING MEDIUM, ELECTRIC POWER GENERATION SYSTEM AND DEVICE CONTROLLING A BATTERY - The method of controlling a battery storing electric power generated by a power generator generating electric power using renewable energy comprises detecting an amount of electric power generated by the power generator at a first time and a second time that is prior to the first time; computing a rate of increase or decrease of the amount of electric power between the first time and the second time; computing a target output value for the electric power to be supplied to an electric power transmission system based on the rate, and supplying to the electric power transmission system electric power corresponding to the target output value from at least one of the power generator and the battery. | 09-20-2012 |
20120256487 | Charge/Discharge System - This charge/discharge system includes a storage portion storing power generated by a power generation module coupled to a power grid and discharging power to a load and a control portion including a function of stopping discharge of the storage portion on the basis of a result of comparison between a first threshold set in response to the amount of power that can be generated by the power generation module and the amount of power consumption corresponding to power consumed by the load. | 10-11-2012 |
20120256488 | BATTERY MANAGEMENT APPARATUS OF HIGH VOLTAGE BATTERY FOR HYBRID VEHICLE - The present invention relates to a battery management apparatus of a high voltage battery for a hybrid vehicle, in more detail, a battery management apparatus of a high voltage battery for a hybrid vehicle which includes: a plurality of battery packs including a plurality of unit cells; slave battery management modules measuring and monitoring temperature and voltage of the unit cells in the battery packs; temperature/voltage measurement wires connecting the unit cells with adjacent unit cells for the slave battery management modules to measure temperature and voltage between the unit cells and the adjacent unit cells; a master battery management module connected with the slave battery management modules; and communication wires connecting the modules. | 10-11-2012 |
20120256489 | ENERGY CONSERVING (STAND-BY MODE) POWER SAVING DESIGN FOR BATTERY CHARGERS AND POWER SUPPLIES WITH A CONTROL SIGNAL - A system is described that turns off a high power, power supply when a device no longer needs high power. A low power, power supply or a rechargeable battery provides power to determine when the device again needs high power. The low power supply consumes a minimum possible power when the device does not need high power and the power rechargeable battery is not charged. That is, the high power and low power, power supplies are turned on or off based on the real time power consumption need of the device and the charged state of the battery. The power need of the device is monitored by a current shunt monitoring circuit and a control signal monitoring circuit. | 10-11-2012 |
20120267956 | POWER SUPPLY CIRCUIT - A current mirror circuit converts a positive-side supply voltage of a second power supply with respect to a reference potential into an electric current so as to supply the electric current to a current/voltage converting section. The current/voltage converting section converts the electric current from the current mirror circuit into a voltage with respect to the reference potential of a first power supply so as to supply the voltage to a feedback input terminal of a switching controller. Therefore, although the reference potential of the first power supply supplied to the switching controller is different from the reference potential of the second power supply, the electric current from the current mirror circuit is not influenced by the reference potential. | 10-25-2012 |
20120274137 | FUEL CELL SYSTEM AND CONTROL METHOD THEREFOR - During an intermittent operation of the fuel cell, a demanded FC voltage calculation portion calculates a predetermined voltage that is below a heightened potential avoidance threshold voltage as a demanded FC voltage, and outputs the voltage to a converter. When during the intermittent operation of the fuel cell, a deviation obtained by subtracting a generated power of the fuel cell from a system's allowable power that is allowable in the fuel cell system becomes less than or equal to a value 0, the demanded FC voltage correction portion corrects a command value provided for the converter so that the deviation becomes equal to the value 0. | 11-01-2012 |
20120280567 | PHOTOVOLTAIC DEVICE - A method and system for operating a photovoltaic module includes providing a reversed electrical bias to the photovoltaic module. | 11-08-2012 |
20120280568 | BATTERY PRODUCTION DEVICE - A battery production device, in particular a forming device formation device ( | 11-08-2012 |
20120286576 | Single-inductor-multiple-output regulator with synchronized current mode hysteretic control - A single-inductor-multiple-output (SIMO) DC-DC switching regulator with a current-mode hysteretic control technique having an ultra-fast transient response to suppress cross-regulation is provided. The DC-DC switching regulator includes: at least one power source for providing electrical energy; an inductive energy storage element for accumulating and transferring the electrical energy from the input power source to a plurality of outputs; a main switch for controlling energy accumulation at the inductive energy storage element; a plurality of output switches for controlling energy transfer to each of the plurality of outputs; a freewheel switch coupled in parallel with the inductive energy storage element; and a controller, configured to coordinate the plurality of output switches and the main switch. | 11-15-2012 |
20120292998 | DRIVE CIRCUIT FOR ELECTROMAGNETIC MANIPULATION MECHANISM - When a closing coil is excited with a charged capacitor by closing a switch to drive a movable core and to close a vacuum valve not shown, if switches are opened, no current flows even when a voltage is electromagnetically induced in a coil from the coil, and no power loss occurs. If a switch is closed before opening the switch, when the switch is opened, the current flowing through the coil commutates to a series circuit comprising a resistor, whereby a voltage generated in the coil can be suppressed. When the opening coil is excited with a capacitor by closing a switch to drive the movable core in the opposite direction to open the vacuum valve, if the switches are opened, no current flows even when a voltage is electromagnetically induced in the coil from the coil, and no power loss occurs. | 11-22-2012 |
20120299380 | Controlling The Direct Current Flow In A Photovoltaic System - The present invention relates to a control device for controlling a direct current generated in a photovoltaic system. The control device is configured to alternately enable a current flow through the photovoltaic system for a first time interval and at least to reduce the current flow for a second time interval. The invention further relates to a photovoltaic system comprising such a control device as well as to a method for controlling a direct current generated in a photovoltaic system. | 11-29-2012 |
20120313435 | VOLTAGE CONVERTER - A voltage converter includes a driver, a subsidiary voltage converter, an inductor, a capacitor, and a voltage detection unit. The subsidiary voltage converter generates a driving voltage transmitted to the driver to supply working power to the driver. The driver controls the capacitor to be alternately charged and discharged through the inductor, thereby generating an output voltage and output current between the inductor and the first capacitor. The voltage detection unit detects an electric potential difference of the inductor and generates a reference voltage according to the electric potential difference, and the subsidiary voltage converter receives the reference voltage and adjusts the driving voltage according to the reference voltage. | 12-13-2012 |
20130002021 | INVERTER AND POWER CONVERSION DEVICE INCLUDING THE SAME - A control section generates a quasi-sine wave with a plurality of gradation voltages including power supply voltages from DC power supplies with different voltages and one or more potential differences between two of the power supply voltages. Specifically, the control section generates the quasi-sine wave by, in a time range where a sine wave voltage is at two gradation voltages, generating a PWM signal with one gradation voltage set at a low level and the other gradation voltage set at a high level. The timing for switching the PWM signal is determined using an intersection between a sine wave and a triangular wave in the time range where the sine wave voltage is at two gradation voltages, where the triangular wave is generated with one gradation voltage set at a low level and the other gradation voltage set at a high level. | 01-03-2013 |
20130009472 | WIRELESS FIELD DEVICE WITH REMOVABLE POWER SOURCE - A wireless field device for use in controlling or monitoring an industrial process, includes a process interface configured to couple to a process fluid. Field device circuitry is coupled to the process interface and configured to measure or control a process variable. Wireless communication circuitry is configured to provide wireless communication. At least one electrical access terminal is configured to provide an electrical connection to circuitry of the field device. A power supply is configured to power the wireless field device. The power supply includes a removable primary power source to provide power to the field device for extended periods of time. A secondary power source is configured to provide power to the field device when the primary power source is removed. | 01-10-2013 |
20130009473 | Oscillator Circuit - Devices are provided comprising oscillator circuits coupled to a supply voltage via an adjustable resistance. Corresponding methods to control adjustable resistances are also provided. | 01-10-2013 |
20130009474 | FAST-DISCHARGING CIRCUIT - A fast-discharge circuit includes at least one power supply group, a switch circuit, and a power connector. Each power supply group includes a power supply unit, stabilizing capacitances, a diode, and a resistance. The power supply unit includes a positive output and a negative output. Anodes of the stabilizing capacitances and the diode are connected to the positive output of the power supply unit. Cathodes of the stabilizing capacitances are connected to the negative output. A cathode of the diode is also connected to the negative output through the resistance. The switch circuit includes a NMOS transistor. A drain of the NMOS transistor is electrically connected to the negative outputs of each power supply; a source of the NMOS transistor is grounded. The power connector includes a PS-ON pin electrically connected to a gate of the NMOS transistor. | 01-10-2013 |
20130009475 | NON-CONTACT POWER FEEDING APPARATUS - Three power supply devices | 01-10-2013 |
20130015708 | ELECTRIC POWER CONTROLLER, ELECTRIC POWER MANAGEMENT DEVICE, ELECTRIC POWER CONTROL METHOD, AND ELECTRIC POWER MANAGEMENT SYSTEMAANM Ukita; MasakazuAACI KanagawaAACO JPAAGP Ukita; Masakazu Kanagawa JPAANM Yoshida; AsamiAACI KanagawaAACO JPAAGP Yoshida; Asami Kanagawa JPAANM Moriai; ShihoAACI KanagawaAACO JPAAGP Moriai; Shiho Kanagawa JPAANM Katagi; MasanobuAACI KanagawaAACO JPAAGP Katagi; Masanobu Kanagawa JP - An energy control device, an energy management device, an energy control method, and an energy management system are provided. The energy management system includes the energy management device and the energy control device. The energy management device includes an electric power management unit configured to generate an instruction specifying a supply destination for electric power generated by an electric power generator, and includes a communication unit configured to transmit the instruction to the energy control device. The energy control device includes a power conditioner configured to distribute the electric power to the supply destination based on the instruction, and includes a control unit configured to control an operation of the power conditioner. | 01-17-2013 |
20130026832 | System And Method For Balancing Input Current With Parallel Power Supplies - A method for balancing input current with at least two parallel power supplies, including the steps of defining an input current difference tolerance, measuring input current from the at least two parallel power supplies, calculating an absolute value of the difference between the two measured input currents, and when the calculated value exceeds the tolerance, performing the subset of steps including employing an adjustment technique to calculate new operating parameters for the two power supplies, configuring the two power supplies with the new operating parameters, and repeating the steps above except for the defining step. | 01-31-2013 |
20130057069 | MAXIMUM POWER POINT TRACKER - A method is provided for determining a value for an electrical output of a converter of renewable energy. The method comprises obtaining a signal representing the electrical output of the converter wherein that electrical output has an initial value. The method further comprises applying a pulse signal to the signal representing the electrical output, wherein the pulse signal comprises a positive portion and a negative portion. The method further comprises obtaining a measurement of electrical power produced by the converter during application of the pulse signal, removing the pulse signal and then obtaining a measurement of electrical power produced by the converter in the absence of the pulse signal. An error value is determined from the obtained electrical power measurements and that error value is applied to the initial value to obtain a target value for the electrical output of the converter. | 03-07-2013 |
20130057070 | CIRCUIT DEVICE, ELECTRONIC APPARATUS, AND IC CARD - A circuit device includes: a first storage control unit which receives power from a power receiving unit which receives power by electromagnetic induction, to perform control of storing charge in a first charge storage unit; a second storage control unit which performs control of storing charge in a second charge storage unit; and a power source supply unit which supplies power source to a system device based on charges stored in the first charge storage unit and the second charge storage unit. The second charge storage unit is a charge storage unit whose charge storage capacitance is smaller than that of the first charge storage unit. The power source supply unit supplies, at the time of system start-up after the start of power reception, power source based on the stored charge of the second charge storage unit to the system device. | 03-07-2013 |
20130062945 | SYSTEM EMPLOYING A THERMOELECTRIC DEVICE TO POWER AN ELECTRONIC CIRCUIT FROM HEAT GENERATED BY SEMICONDUCTOR DEVICES, AND METHOD OF POWERING A SYSTEM - A system includes a plurality of semiconductor devices; an electronic circuit operatively associated with the semiconductor devices; a thermoelectric device structured to provide power to power the electronic circuit from heat generated by the semiconductor devices; a power supply structured to provide power to power the electronic circuit; a number of sensors structured to sense at least one characteristic of the semiconductor devices or the thermoelectric device; and a processor cooperating with the number of sensors to provide power to power the electronic circuit from at least one of the thermoelectric device and the power supply. | 03-14-2013 |
20130062946 | HIERARCHICAL BALANCING SYSTEM - An example hierarchical balancing system is described that performs balancing amongst power packs comprising an arrangement of power cells, while the power packs separately perform cell-level balancing. A power pack impedance balancer may be implemented for power pack balancing using changes in impedance. An example apparatus may include a rail capacitor that is switchably connected to a first capacitor and switchably connected to a second capacitor. The first capacitor may also be switchably connected to a first power pack and the second capacitor may also switchably connected to a second power pack. Via controllable switches, the first and second capacitors may shuttle energy between the power packs through the rail capacitor. Additional and related methods and apparatuses are also provided. | 03-14-2013 |
20130062947 | INDEPENDENT FIELD DEVICE FOR AUTOMATION PURPOSES WITH INTRINSIC SAFETY BARRIER - An autarkic field device or an autarkic radio adapter for a field device, of automation technology fed with limited energy via an energy supply unit associated, or associable, with the field device or the radio adapter. Between the energy supply unit and an internal voltage source, whose voltage exceeds, or at times can exceed, the voltage of the energy supply unit, a barrier of at least one diode group having at least two diodes connected in parallel is arranged, which blocks flow of electrical current from the internal voltage source to the energy supply unit or to the connection terminals of the field device or of the radio adapter for the energy supply unit. | 03-14-2013 |
20130069431 | INTERCHANGEABLE INTELLIGENT ACCESSORIES FOR MOBILE DEVICES - Techniques for an interchangeable modular design for mobile device accessories by separating a mobile device accessory into two modules are disclosed herein. The power and data interfaces between a power module and an expansion adapter are predetermined as a standardized design. The power module includes a battery to supply electrical power. The power module has a form-fitting shape adapted to secure a particular mobile device with the power module. The expansion adapter includes interfaces to be connected to the mobile device and the power module. The power module can receive electrical power supplied from the battery of the power module. The expansion adapter and/or power module may include additional hardware functionalities. | 03-21-2013 |
20130076134 | Power Converter Islanding Detection - A power converter including a detection apparatus and method for detecting an islanding condition based on measurements of one or more currents and voltages within the power converter provided to a current regulator to generate a signal that is provided in a positive feedback loop and is indicative of an islanding condition. | 03-28-2013 |
20130076135 | High-Power Boost Converter - A high-power boost converter including two or more inductors coupled to an input DC power source and to switches that can be modulated to control the output power of the high-power boost converter. The two or more inductors are further coupled to each other electrically, magnetically, or both electrically and magnetically. | 03-28-2013 |
20130088080 | Dynamic Break and Distortion Filter - Systems, methods, and apparatus for providing a dynamic break and distortion filter. In one embodiment, an apparatus can include an inverter providing alternating current (AC) power at one of a first and second chopping frequency and a filter. The filter can include an input port receiving the AC power and an output port providing output power by selectively passing the AC power from the input port to the output port. The filter may further include an inductor electrically connected to one of the input port and output port and a capacitor electrically connected to the inductor and to a resistor, wherein current does not substantially flow through the inductor and capacitor at the first chopping frequency and does substantially flow through the inductor and capacitor at the second chopping frequency, and wherein the AC power with the second chopping frequency is dissipated in the resistor. | 04-11-2013 |
20130099571 | Method for the Operational Control of an Inverter - A method for the operational control of an inverter designed for DC/AC voltage conversion that has at least one direct-voltage input and that can be connected to a power supply grid via at least one alternating-voltage output, the inverter being involved in a power flow interaction with the grid in such a manner that, during operation of the inverter, a leakage current I | 04-25-2013 |
20130099572 | Cell Based DC/DC Converter - A DC/DC converter including a first conversion branch stretching between a first and a second DC terminal, a first controllable voltage source in a first half of the first conversion branch, a second controllable voltage source in a second half of the first conversion branch, a conversion unit converting between AC and DC and at one end connected to a third and a fourth DC terminal, and a transformer with a primary winding connected in a first interconnecting branch stretching between a first junction at which the first and second controllable voltage sources are connected to each other and a first potential that lies in the middle between the potentials of the first and second DC terminal, and a secondary winding connected to another end of the conversion unit. | 04-25-2013 |
20130106187 | SYSTEM FOR SELECTIVELY COUPLING AN ENERGY SOURCE TO A LOAD AND METHOD OF MAKING SAME | 05-02-2013 |
20130113286 | FLOATING POWER CONVERTER - A floating power converter includes direct current to direct current (DC-DC) converter circuitry having at least one converter control terminal for receiving at least one control signal, a high side (H-S) converter input terminal, a low side (L-S) converter input terminal, and a converter output terminal. The floating power converter also has an H-S source selector configured to selectively couple either a first H-S voltage source or a second H-S voltage source to the H-S converter input terminal in response to a selector control signal. Moreover, an L-S source selector is configured to selectively couple either a first L-S voltage source or a second L-S voltage source to the L-S converter input terminal in response to the selector control signal. | 05-09-2013 |
20130119763 | PRECHARGING AND CLAMPING SYSTEM FOR AN ELECTRIC POWER SYSTEM AND METHOD OF OPERATING THE SAME - A power converter includes a plurality of direct current (DC) conduits and a precharging and clamping circuit coupled to the DC conduits. The precharging and clamping circuit includes at least one diode, at least one switching device coupled in parallel with the diode, and at least one contactor device coupled to an alternating current (AC) source and the diode. The at least one contactor device is configured to facilitate alternating said precharging and clamping circuit between precharging operation and voltage clamping operation. | 05-16-2013 |
20130119764 | MODULARIZED POWER CONTROL DEVICE - A modularized power control device for a computer system includes an upper plate, a lower plate, a first connecting unit and a second connecting unit. The upper plate has a first voltage converter for converting a first voltage into a plurality of first operating voltages. The lower plate has a second voltage converter and a fan control module. The second voltage converter is configured to receive a second voltage and convert the second voltage into a plurality of second operating voltages. The fan control module is configured to control operations of a plurality of heat dissipation fans inside the computer system. The first connecting unit is configured to connect a plurality of power lines of the upper plate and power lines of the lower plate. The second connecting unit is configured to connect a plurality of signal lines of the upper plate and signal lines of the lower plate. | 05-16-2013 |
20130134784 | Ping-Pong Type Battery Management system - Disclosed is an Ping-Pong Type Battery Management system. The Ping-Pong Type Battery Management system includes first and second battery packs, first and second battery switches, a sensing and controlling module, a supply power regulation module and a load power regulation module. The first battery switch is formed on the first battery pack. The second battery switch is formed on the second battery pack. The sensing and controlling module is connected to the first and second battery packs and the first and second battery switches. The supply power regulation module is connected to the first and second battery switches. The load power regulation module is connected to the first and second battery switches. | 05-30-2013 |
20130140896 | ADAPTIVE LOADING OF POWER SOURCES WITH HIGH AND NON-LINEAR OUTPUT IMPEDANCE: METHOD, SYSTEM AND APPARATUS - An adaptive loader for time varying, non-linear high-impedance power sources (HIS) comprising: an electronic converter, matching the impedance of said HIS to its load; at least one sensor; and a control system, controlling loading factor of the electronic converter to ensures impedance matching between said time varying HIS and its load. The loader may be used for any HIS like piezoelectric, photoelectric, thermoelectric, etc., sources. Impedance matching can be used for energy production, measurement of the input stimuli or both of them. The load may be any active or capacitive load including for example rechargeable battery. A piezoelectric generator producing time varying electrical signal in response to time varying mechanical strain can be used as HIS. For example the piezoelectric generator generates a pulse in response to a mechanical strain caused for example by one of passage of a vehicle or passage of a train. | 06-06-2013 |
20130147275 | INVERTER WITH AN AC INTERFACE FOR THE CONNECTION OF AC MODULES - An inverter for feeding a grid-compatible AC voltage into a grid is described, wherein the inverter includes an inverter bridge for converting a DC voltage to a first AC voltage and a grid interface between the inverter bridge and the grid for converting the first AC voltage to the grid-compatible AC voltage for feeding into the grid. An AC interface via which an AC module for feeding into the grid can be connected, is arranged between the inverter bridge and the grid interface. | 06-13-2013 |
20130154374 | SIGNAL PROCESSING CIRCUIT, INVERTER CIRCUIT, BUFFER CIRCUIT, LEVEL SHIFTER, FLIP-FLOP, DRIVER CIRCUIT, AND DISPLAY DEVICE - A signal processing circuit of the present invention includes: first and second input terminals; an output terminal; a bootstrap capacitor; a first output section connected to the second input terminal and the output terminal; a second output section connected to the first input terminal, a first power source, and the output terminal; and an electric charge control section for controlling the electric charge of the bootstrap capacitor, the electric charge control section being connected to the first input terminal, the electric charge control section and the first output section being connected to each other via a relay section for either electrically connecting the electric charge control section and the first output section to each other or electrically blocking the electric charge control section and the first output section from each other, the electric charge control section including a resistor connected to a second power source. This configuration can increase reliability of a bootstrap-type signal processing circuit. | 06-20-2013 |
20130162042 | SINGLE PHASE REDUNDANT POWER SUPPLIES FOR REDUCING PHASE CURRENT IMBALANCES - A single phase redundant power supply system may include a first power supply having an input coupled to a first phase voltage in a polyphase power distribution system and an output coupled to a load for supplying an amount of DC power to the load, and a second power supply having an input for coupling to a second phase voltage in the polyphase power distribution system and an output coupled to the load for supplying an amount of DC power to the load. At least the first power supply is configured to reduce phase current imbalances in the polyphase power distribution system by adjusting the amount of DC power supplied to the load by the first power supply and the amount of DC power supplied to the load by the second power supply. | 06-27-2013 |
20130162043 | MULTIPLE RENEWABLES SITE ELECTRICAL GENERATION AND REACTIVE POWER CONTROL - A method of configuring a renewable energy curtailment and control system uses a master controller and a plurality of controllers configured to control a cluster of renewable energy resources to deliver predetermined amounts of actual power and reactive power to a point of interconnect with a grid in accordance with contractual requirements with users of electrical power while reducing reactive power flow between renewable resources in the cluster. | 06-27-2013 |
20130181525 | SYSTEM AND METHOD FOR A HIGH SPEED, HIGH VOLTAGE PULSE POWER GENERATOR - A pulse generator system and method, including an inductive storage device configured to perform a charging process using a high current received from a first power supply; and a switch that is powered by a second power supply and configured to receive a step signal through a gate driver for controlling a repetition rate of the inductive storage device charging process and a pulse repetition frequency (PRF) of an output pulse. | 07-18-2013 |
20130181526 | POWER SUPPLY SYSTEM - A power supply system provided with a plurality of battery units, a power converter connected to parallel connection lines and including a bidirectional DC/AC converter circuit or a bidirectional voltage converter circuit, and a master controller for controlling the power converter, wherein the master controller: receives a switch state signal expressing that selection switches are actually closed; causes the power converter to operate after at least a prescribed standard number of the selection switches are closed; calculates target charge/discharge power according to the number of storage battery control units connected to the power converter on the basis of the switch state signal; and controls the power converter in such a manner that the target charge/discharge power is reached. | 07-18-2013 |
20130187463 | Switching Power Control Device and Control Method of the Same - A switch power control device adapted to a plurality of power devices includes a PWM controller, a plurality of phase-extension driving modules and a detection module. The PWM controller generates a plurality of original PWM signals to corresponding phase-extension driving modules. When the detection module detects the output voltage is outside the safe range, the detection module controls the phase-extension driving module to generate the synchronous phase-extension PWM signals to the power devices. Consequently, the disclosure can stabilize the output voltage. | 07-25-2013 |
20130207469 | PAIRING OF COMPONENTS IN A DIRECT CURRENT DISTRIBUTED POWER GENERATION SYSTEM - A method of signaling between a photovoltaic module and an inverter module. The inverter module is connected to the photovoltaic module. In an initial mode of operation an initial code is modulated thereby producing an initial signal. The initial signal is transmitted from the inverter module to the photovoltaic module. The initial signal is received by the photovoltaic module. The operating mode is then changed to a normal mode of power conversion, and during the normal mode of operation a control signal is transmitted from the inverter to the photovoltaic module. A control code is demodulated and received from the control signal. The control code is compared with the initial code producing a comparison. The control command of the control signal is validated as a valid control command from the inverter module with the control command only acted upon when the comparison is a positive comparison. | 08-15-2013 |
20130207470 | Bidirectional DC-to-DC Converter - A bidirectional DC-to-DC converter is configured to convert electrical energy from a first and second DC source. The bidirectional converter includes an output capacitor providing an output voltage and a first and second inductor. The first inductor is arranged between a positive connection of the second DC source and a first contact of a first switch. The second inductor is arranged between a negative connection of the first DC source and a second contact of the first switch. A buffer capacitor is arranged between a negative output of the first DC source and a positive output of the second DC source. A second and third switch are arranged in series with the first switch. The second switch is arranged between the first contact of the first switch and the positive DC output. The third switch is arranged between the second contact of the first switch and the negative DC output. | 08-15-2013 |
20130207471 | IMPUTED DC LINK (IDCL) CELL BASED POWER CONVERTERS AND CONTROL THEREOF - Power flow controllers based on Imputed DC Link (IDCL) cells are provided. The IDCL cell is a self-contained power electronic building block (PEBB). The IDCL cell may be stacked in series and parallel to achieve power flow control at higher voltage and current levels. Each IDCL cell may comprise a gate drive, a voltage sharing module, and a thermal management component in order to facilitate easy integration of the cell into a variety of applications. By providing direct AC conversion, the IDCL cell based AC/AC converters reduce device count, eliminate the use of electrolytic capacitors that have life and reliability issues, and improve system efficiency compared with similarly rated back-to-back inverter system. | 08-15-2013 |
20130214601 | INTERFACE CIRCUITS FOR CASCADE AND SERIES BATTERY MANAGEMENT AND METHODS THEREOF - An interface circuit for cascade battery management and an interface circuit for series battery management are provided. The interface circuit for cascade battery management comprises a master microcontroller, a slave microcontroller, a receiving opto-coupler, and transmitting opto-coupler. The master microcontroller is coupled to a first battery block. The slave microcontroller is coupled to a second battery block. The receiving opto-coupler has an input terminal coupled to an output terminal of the master microcontroller, and the receiving opto-coupler has an output terminal coupled to an input terminal of the slave microcontroller. The transmitting opto-coupler has an input terminal coupled to an output terminal of the slave microcontroller, and the transmitting opto-coupler has an output terminal coupled to an input terminal of the master microcontroller. The master microcontroller communicates with the slave microcontroller using the pulse-width-modulation (PWM) through the transmitting opto-coupler and the receiving opto-coupler. | 08-22-2013 |
20130221749 | NETWORK SYSTEM - A network system is provided. The network system includes: at least one component of an energy supply unit supplying energy and an energy management unit managing the energy supply unit. An amount of energy used or energy charge of the energy supply unit is adjustable. An amount of energy used or energy charge when the component is controlled on the basis of information related to at least usage charge may be less than that when the component is controlled not on the basis of the information related to at least usage charge. Also, the energy supply unit has a power saving mode to determine a driving method or a driving time of the energy supply unit on the basis of the information related to energy charge. | 08-29-2013 |
20130234515 | RIG FUEL MANAGEMENT SYSTEMS AND METHODS - Systems and methods for managing fuel and electrical power supplied to a drilling rig during all phases of a drilling operation. The system includes a power source in electrical communication with the drilling rig, and an engine management module operatively associated with the power source and configured to monitor power consumption of the drilling rig and recommend methods to manage energy provided thereto. | 09-12-2013 |
20130234516 | ELECTRICITY GENERATION CONTROLLER, ELECTRICITY GENERATION CONTROL SYSTEM, AND ELECTRICITY GENERATION CONTROL METHOD - An electricity generation controller for controlling an electrical energy production of a photo voltaic panel is provided. The electricity generation controller includes a control section that controls an output of the photo voltaic panel within a first range, a signal processing section that processes a predetermined signal., and an output range change section that changes an output range of the photo voltaic panel controlled by the control section from the first range to a second range in accordance with the predetermined signal processed by the signal processing section, wherein the second range is broader than the first range. | 09-12-2013 |
20130241288 | SYSTEM, APPARATUS AND METHOD FOR SUPPLYING ELECTRIC POWER, APPARATUS AND METHOD FOR RECEIVING ELECTRIC POWER, STORAGE MEDIUM AND PROGRAM - An electric power supply system includes an electric power reception apparatus and an electric power supply apparatus adapted to supply electric power to the electric power reception apparatus when the electric power reception apparatus is placed on the electric power supply apparatus. The electric power supply apparatus includes a plurality of electric power supply units adapted to supply electric power by electromagnetic induction to the electric power reception apparatus. A selection unit of the electric power supply apparatus selects, from the total plurality of electric power supply units, a plurality of electric power supply units whose location corresponds to a position where the electric power reception apparatus is placed, and a control unit controls the supply of electric power such that electric power is supplied to the electric power reception apparatus from the selected plurality of electric power supply units. | 09-19-2013 |
20130249293 | FUNCTIONAL BACK GLASS FOR A SOLAR PANEL - A photovoltaic solar panel includes a front glass, a back glass, and a photovoltaic (PV) power generating layer encapsulated between the front glass and the back glass. The PV power generating layer is configured to convert ambient electromagnetic energy, received through the front glass, to a direct current (DC) power output. The PV solar panel also includes at least one component, disposed behind the PV power generating layer, selected from the group consisting of: a direct current to alternating current (DC-AC) inverter configured to convert the DC power output from the PV power generator to an alternating current (AC) power output, a battery, and an antenna. | 09-26-2013 |
20130249294 | REGULATOR - The regulator has a differential circuit that generates a comparison signal corresponding to the difference between an input voltage and a voltage related to the output voltage, a first transistor that adjusts the output voltage in accordance with the comparison signal, a first current mirror circuit connected to a pair of differential output lines of the differential circuit, a second transistor that amplifies the high frequency signal superposed on the output voltage and sends the amplified signal to one of the differential output lines, a second current source that feeds current for amplifying the high frequency signal to the second transistor, a first capacitor, which accumulates charge therein as a result of the high frequency signal and controls the current flowing to one the pair of differential output lines via the second transistor in accordance with the charge quantity, and a second capacitor connected to the output voltage line. | 09-26-2013 |
20130249295 | Photovoltaic System Having Power-Increment-Aided Incremental-Conductance Maximum Power Point Tracking Controller Using Variable-Frequency and Constant-Duty Control and Method Thereof - The configurations of photovoltaic system and methods thereof are provided. The proposed photovoltaic system includes a PI-INC MPPT controller using a variable-frequency constant-duty (VFCD) control and guided by an Ipv-Vpv curve and a Ppv-Vpv curve. | 09-26-2013 |
20130249296 | Photovoltaic System Having Power-Increment-Aided Incremental-Conductance Maximum Power Point Tracking Controller Using Constant-Frequency and Variable-Duty Control and Method Thereof - The configurations of photovoltaic system and methods thereof are provided. The proposed photovoltaic system includes a PI-INC MPPT controller using a constant-frequency variable-duty (CFVD) control and guided by an Ipv-Vpv curve and a Ppv-Vpv curve. | 09-26-2013 |
20130257154 | SYSTEM FOR DISTRIBUTING ELECTRICAL POWER SUPPLIED FROM A SOLAR PANEL ARRAY - A system for distributing electrical power supplied from an array of solar panels is disclosed. The system may generally include a supply line extending along a racking assembly and a plurality of mounting modules spaced apart along the racking assembly. The supply line may include a positive supply conductor and a negative supply conductor. Each mounting module may be configured to receive the positive and negative supply conductors. The system may also include a positive feed conductor electrically connected to the solar panels and a negative feed conductor electrically connected to the solar panels. In addition, the system may include a first splice terminal configured to electrically connect the positive feed conductor to the positive supply conductor and a second splice terminal configured to electrically connect the negative feed conductor to the negative supply conductor. | 10-03-2013 |
20130257155 | PHOTOVOLTAIC SYSTEMS WITH LOCAL MAXIMUM POWER POINT TRACKING PREVENTION AND METHODS FOR OPERATING SAME - A photovoltaic system includes solar cells and an inverter configured to convert direct current generated by the solar cells to alternating current. The photovoltaic system includes a maximum power point (MPP) tracking module configured to perform MPP tracking for the photovoltaic system. The MPP tracking module is configured to detect shading of the solar cells and to modify its MPP tracking to prevent tracking of local MPPs. The MPP tracking module may be incorporated in the inverter. | 10-03-2013 |
20130270910 | SEMICONDUCTOR DEVICE - A semiconductor device includes: a voltage-control-type clock generation circuit having a plurality of stages of first delay elements and whose oscillation frequency is controlled according to a control voltage applied to the first delay elements; a delay circuit having a plurality of stages of second delay elements connected serially; and a selection circuit selecting one from pulse signals output by the plurality of stages of respective second delay elements. The first delay elements and the second delay elements have a same structure formed on a same semiconductor substrate, and a delay amount of the second delay elements is adjusted according to the control voltage. | 10-17-2013 |
20130278063 | SOLAR ENERGY COLLECTION, STORAGE AND POWER SUPPLY DEVICE - A solar energy collection, storage and power supply device includes an assembly having a photovoltaic element layer bonded to a heat sink with a plurality of fins and having an outer ledge extending therefrom. A hollow housing has one or more compartments therein, and the housing is coupled to the ledge and extends at least partially around the perimeter of the assembly. An energy storage system is provided within at least one compartment and a power supply system is provided within at least one compartment. | 10-24-2013 |
20130278064 | Ultra-Low Noise, High Voltage, Adjustable DC-DC Converter Using Photoelectric Effect - A DC-DC step-up converter is described that uses opto-electric conversion to supply very low noise/ultra-low noise, high voltages using branch(es) of optical detectors. The optical detectors are series connected to form a large branch of photon-to-electron converters. The input voltage can be low, with the output voltage shown to be highly stable, low current (parallel branches can increase the output current), controllable and virtually free of any jitter. The described approach is very reliable and inexpensive. | 10-24-2013 |
20130285451 | ACTIVE PULL-UP/PULL-DOWN CIRCUIT - A circuit includes circuit portions operating from separate power supplies which are switched sequentially. An output of a first portion powered by a power supply (A) is provided as an input to a second portion powered by another power supply (B). Power supply (A) is switched-ON a delay interval later than power supply (B). In an embodiment, the first portion also receives a control input which enables or disables response of the first portion to changes in its inputs. An active circuit is connected between the control terminal and a constant reference potential node of the circuit, and has one transistor of a current-mirror pair connected across supplies (A) and (B). The active circuit connects the control terminal to the constant reference potential node in the delay interval, but is an open circuit otherwise. Power dissipation in the circuit is thereby reduced. | 10-31-2013 |
20130307336 | Photovoltaic Array Systems, Methods, and Devices with Improved Diagnostics and Monitoring - Devices, systems and methods for operating, monitoring and diagnosing photovoltaic arrays used for solar energy collection. The system preferably includes capabilities for monitoring or diagnosing an array by automatically disconnecting portions of the array during normal service (when load is not maximum, and observing the resulting change in electrical characteristics. More intensive diagnostic procedures can be launched if needed. One embodiment provides for performing monitoring or diagnostic operations on the array in daylight or at night. Another embodiment allows monitoring or diagnostic operations to be performed on a portion of the array while other parts of the array continue to collect energy. Yet another embodiment provides a safety mode for an array for maintenance or during emergencies. | 11-21-2013 |
20130328400 | CONTROLLING A FAULT-TOLERANT ARRAY OF CONVERTERS - A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is operable to control the plurality of phase regulators. The plurality of multiplexing logic devices is operable to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers. | 12-12-2013 |
20130334884 | POWER CONVERSION DEVICE AND REFRIGERATION/AIR-CONDITIONING SYSTEM - A power conversion device according to the present invention includes a power supply, a booster unit (a reactor, a switch) that boosts a voltage supplied from the power supply by switching control, a smoothing circuit that smoothes an output voltage from the booster unit, a rectifier that is arranged between the booster unit and the smoothing circuit to prevent a current reverse flow toward the booster unit, and a commutation unit that is connected to the rectifier in parallel to commutate a current flowing through the rectifier toward itself. | 12-19-2013 |
20130342017 | PHOTOVOLTAIC SYSTEM MAXIMUM POWER POINT TRACKING - Photovoltaic system maximum power point tracking methods and apparatus are disclosed. Output power samples from one or more photovoltaic (PV) cells are obtained. The output power samples include perturbed samples for which a perturbation is applied to an operating voltage or current of the PV cell(s) and non-perturbed samples for which no perturbation is applied to the operating voltage or current. A control output, to change the operating voltage or current of the PV cell(s) for a next perturbed sample by a next perturbation, is generated. The next perturbation could be based on an estimated change in output power due to a previous perturbation. The next perturbation could also or instead be in a direction based on a change in output power samples, and of a magnitude based on the direction and a direction of perturbations applied for one or more perturbed samples preceding the next perturbed sample. | 12-26-2013 |
20140001856 | MULTILEVEL POWER CONVERTER | 01-02-2014 |
20140001857 | Distributed power generation system, control means and method for controlling the power generation of the system | 01-02-2014 |
20140015321 | Capacitor-Based UPS - The present invention generally relates to the field of uninterruptable power supplies (UPSs) and more specifically, to UPSs using supercapacitors (also may be referred to as ultracapacitors) and/or other capacitor and/or battery elements. In an embodiment, a UPS of the present invention can individually regulate the charging of its capacitive elements to avoid overcharging and/or achieve a more efficient charge state. | 01-16-2014 |
20140042812 | MULTIPLE POWER SUPPLY SYSTEMS AND METHODS - Aspects of the present invention include a power supply system comprising a plurality of power supplies. Each of the power supplies can include an oscillator system configured to generate a clock signal at a clock node. Each of the power supplies can include an error amplifier configured to generate an error voltage at an error amplifier output node. Each of the power supplies can also include a pulse-width modulation (PWM) generator configured to generate a PWM switching signal based on an error voltage and the clock signal. Each of the power supplies can further include a power stage configured to generate an output voltage based on the PWM switching signal. | 02-13-2014 |
20140070614 | Household Grid-Connected Inverter Applied to Solar Power Generation System with Maximum Power Tracking Function - A household Grid-Connected inverter applied to a solar power generation system with maximum power tracking function includes a solar power module; a MPPT power converter connected to the solar power module; and a DC/AC filter connected to the MPPT power converter. The DC/AC filter can be connected to the household grid in parallel. The solar power module is used to convert and output the solar energy in form of DC voltage. The MPPT power converter converts the DC into a high-frequency current with envelope of the same phase as the household grid, and also maximizes the output power. The DC/AC filter is used to output to the current which has the same phase as the household power and of the wave current form. Thereby, a simplified structure which can increase the device expanding flexibility and provide maximum output performance for solar power generation is achieved with lower cost. | 03-13-2014 |
20140077599 | Multiple Hybrid Integration - A power platform for a motorized work device that includes hybrid power sources is disclosed. The hybrid power system may include a hydraulic power source that provides power and stores power, an electric power source that provides power and stores power and a kinetic power source that provides power and stores power. | 03-20-2014 |
20140084689 | BATTERY SYSTEM AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - A battery system includes at least one battery unit, and a first battery management system that is operable to control the at least one battery unit. The first battery management system includes a first identification setup that is manually adjustable and is visible on an outside of the first battery management system, and the first battery management system is enabled to effect communication based on the first identification setup. | 03-27-2014 |
20140084690 | VOLTAGE EQUALIZATION APPARATUS FOR CONNECTING POWER STORAGE UNIT RACKS AND POWER STORAGE SYSTEM INCLUDING THE SAME - The present disclosure describes a voltage equalization apparatus for equalizing voltages of adjacent power storage unit racks included in a power storage system. The voltage equalization apparatus according to the present disclosure includes a resistor to which a current flowing from a high-voltage unit rack to a low-voltage unit rack is applied; and a circuit breaker for voltage equalization installed on a line through which the current flows. | 03-27-2014 |
20140091625 | OPEN FUSE DETECTION SYSTEM FOR A SOLAR INVERTER - A photovoltaic power circuit is provided and includes a plurality of strings of connected photovoltaic panels operable to generate DC current from solar radiation. Each of the strings is connected to a solar inverter by a pair of fuses. A detection circuit is provided that is operable to detect when one of the fuses opens as a result of a fault, regardless whether the fault is temporary or continuing. | 04-03-2014 |
20140091626 | Power Receiving Device Having Device Discovery and Power Transfer Capabilities - A wireless power transfer system is disclosed that includes a power station and a chargeable device. The power station transmits discovery beacons in order to detect a chargeable device within its vicinity using any available communication protocols and/or standards. Once a device is discovered, the power station can perform coil selection with the device in order to select preferred coils for power transfer. In addition, the chargeable device is capable of detecting the beacon signal and providing a response to notify the power station of its presence. The chargeable device is capable of performing its own coil selection for further optimization and includes various assistance functionality to aid a user in optimizing a connection with the power station. | 04-03-2014 |
20140097686 | LOW/HIGH VOLTAGE SELECTOR - A voltage selector circuit is described. The voltage selector circuit includes a first voltage input, a second voltage input, and a voltage comparison input. The voltage selector circuit also includes a first voltage selector connected to an output. The first voltage selector is configured to compare the first voltage input and the second voltage input to the voltage comparison input. The voltage selector circuit also includes a second voltage selector connected to the output. The second voltage selector is configured to compare the first voltage input to the second voltage input using an early trigger, such that the second voltage selector is configured to switch on before the first voltage selector switches off. | 04-10-2014 |
20140097687 | THREE-LEVEL PHOTOVOLTAIC INVERTER CONFIGURED FOR ASYMMETRIC CONTROL OF DC-LINK VOLTAGES FOR SEPARATE MPPT DRIVING - A three-level inverter having two direct current (DC)-links for converting DC voltages generated in a plurality of photovoltaic (PV) modules into alternating current (AC) voltages, wherein one end of a first DC-link of the two DC-links is connected to a first potential point at which a first potential is generated in the plurality of PV modules, and one end of a second DC-link of the two DC-links is connected to a second potential point at which a second potential that is lower than the first potential is generated in the plurality of PV modules, and both the other end of the first DC-link and the other end of the second DC-link are connected to a third potential point at which a third potential having a medium level between the first potential and the second potential is generated in the plurality of PV modules. | 04-10-2014 |
20140097688 | SYSTEM AND METHOD FOR A MESH POWER SYSTEM - A power mesh system and method comprising at least three polyphase power devices of a plurality of polyphase power devices, each having a phase connection for each phase, where each polyphase power device has each phase connection coupled to at least one phase connection of another polyphase power device to form a two dimensional array of power devices. | 04-10-2014 |
20140103723 | MAXIMUM POWER POINT CONTROLLER TRANSISTOR DRIVING CIRCUITRY AND ASSOCIATED METHODS - An electric power system includes a string of N maximum power point tracking (MPPT) controllers having output ports electrically coupled in series, where N is an integer greater than one. At least one of the N MPPT controllers includes respective transistor driver circuitry powered from a power supply rail of an adjacent one of the N MPPT controllers of the string. Another MPPT controller includes an n-channel field effect freewheeling transistor electrically coupled across an output port and a resistive device electrically coupled between an input port and a gate of the freewheeling transistor, such that the freewheeling transistor operates in its conductive state when power is applied to the input port and a control subsystem of the controller is in an inactive state. | 04-17-2014 |
20140117761 | ENERGY EFFICIENT SOLAR POWERED HIGH VOLTAGE DIRECT CURRENT BASED DATA CENTER - A system and method for providing power is disclosed. A variable direct current (DC) power source provides a variable DC voltage. A configurator dynamically converts the variable DC voltage to a selected DC voltage to provide the power. A set of switches combines the solar voltage with a substantially constant DC voltage. A control unit controls the set of switches and the configurator to provide the combined voltages at a selected voltage level. | 05-01-2014 |
20140139026 | SENSING DEVICE CAPABLE OF CONVERTING OPTICAL ENERGY INTO ELECTRICAL ENERGY AND CONVERSION METHOD THEREOF - A sensing device capable of converting optical energy into electrical energy and a conversion method thereof are presented. The sensing device includes an optical-to-electrical conversion module, a power regulation module, a sensing module, and a processing module. The optical-to-electrical conversion module is used for converting optical energy into electrical energy. The power regulation module is used for generating a power supply specification according to the electrical energy. The sensing module performs sensing according to the electrical energy to provide a sensing signal. The processing module processes the sensing signal according to the electrical energy. | 05-22-2014 |
20140159489 | WHEELCHAIR SOLAR CANOPY - Systems, methods and apparatus are provided through which in some implementations a solar canopy for a motorized wheelchair includes a solar panel fitted into a recess in the solar canopy and a top cover in another recess at the top of the solar canopy and over the solar panel. | 06-12-2014 |
20140203643 | Energy Harvesting Scheme - A system adapted to generate, collect and store electrical energy is described. The system includes: a set of sources; each source in the set adapted to generate heat energy, convert the generated heat energy into electrical energy, and store the electrical energy; and a set of reservoirs, each reservoir in the set adapted to receive the stored electrical energy from at least one source in the set of sources and store the received energy. A device adapted to convert heat from a source into electrical energy is also described. The device includes: a connection to at least two elements of the source, wherein the at least two elements provide a temperature differential; a thermo-electric generator (TEG) adapted to convert the temperature differential into electrical energy; and an energy storage module adapted to receive electrical energy from the TEG and store the received energy. | 07-24-2014 |
20140203644 | ELECTRICAL ENERGY SYSTEM COMPRISING MONITORING BASED ON THE ANALYSIS OF STRUCTURE-BORNE SOUND - An electrical energy system that is one embodiment includes at least one electrical energy module. The electrical energy module includes a monitoring device disposed within the energy module and a control device. Data can be transmitted between the energy module and the control device by means of structure-borne sound. | 07-24-2014 |
20140217825 | VOLTAGE SCALE-DOWN CIRCUIT - A circuit for scaling down first and second input voltages includes first and second voltage scale-down circuits that scale down the first and second input voltages, respectively. The first voltage scale-down circuit includes a transistor that receives the first input voltage at its gate and, operating in a source-follower configuration, scales down the first input voltage to generate a first output voltage at its source. The second voltage scale-down circuit is identical to the first voltage scale-down circuit and generates a second output voltage based on the second input voltage. | 08-07-2014 |
20140232192 | MULTIPLY-CONNECTED POWER PROCESSING - Various power processing systems are described that employ a multiply-connected velocity inhibiting circuit. At least one active circuit can be employed to synthesize at least one passive lumped element in the multiply-connected velocity inhibiting circuit. | 08-21-2014 |
20140252859 | Solar Photovoltaic Systems - We describe a photovoltaic (PV) power generation system comprising at least two PV panels and a power conditioning unit. The dc power outputs of the PV panels are connected in parallel to a dc power input of the power conditioning unit. The power conditioning unit comprises a dc-to-dc converter having an input coupled to the dc power input and an output coupled to a dc link of the unit, a dc-to-ac converter having an input coupled to the dc link and an ac mains power supply output, and an energy storage capacitor coupled to the dc link. The power conditioning unit is configured to perform maximum power point tracking (MPPT) responsive to a level of power flowing into the dc power input, and the level of power flowing into said dc power input is sensed at the dc link. In preferred implementations the energy storage capacitor is a non-electrolytic capacitor. | 09-11-2014 |
20140265579 | Inverter System Enabling Self-Configuration - A method of configuring an installed energy harvesting device to comply with a local grid connection standard is provided. The method identifies a local grid connection standard for an energy harvesting device that has been installed in a physical installation. The method then configures the energy harvesting device to apply the identified grid connection standard. To identify the local gird connection standard, the method determines a physical location for the installation of the energy harvesting device. The method then identifies the local grid connection standard based on the determined physical location. | 09-18-2014 |
20140285020 | PORTABLE POWER SUPPLY - The portable power supply contains a circuit unit and a rechargeable battery. The circuit unit contains a conversion circuit, an AC output port, a DC input/output port, and a coupling port. The rechargeable battery is coupled to the coupling port. The DC electricity stored in the rechargeable battery is delivered to the circuit unit through the coupling port, and then to a first branch and a second branch. Following the first branch, the DC electricity is transformed a pre-determined AC voltage by the conversion circuit, and the AC voltage is delivered to an external electronic device through the AC output port. Following the second branch, the DC electricity is directly delivered to another external electronic device through the DC input/output port. Without connecting the external electronic device, the DC input/output port is capable of connecting to an external DC power source for charging the rechargeable battery. | 09-25-2014 |
20140300191 | SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF CONTROLLING POWER SUPPLY - A semiconductor integrated circuit includes a digital circuit configured to receive a first power supply to operate in synchronization with a clock signal, and an electric-charge supplying circuit configured to supply electric charge from a second power supply to the digital circuit in synchronization with the clock signal. | 10-09-2014 |
20140306531 | LIGHTING BALLAST FOR USE WITH VARIABLE DC POWER DISTRIBUTION - Systems and methods are described for selectively applying DC power from a variable voltage DC power bus to a DC load. The ballast includes at least one switch coupled between the DC power bus and the DC load. A processor is coupled to the at least one switch and controls the operation of the at least one switch. A non-transient computer-readable memory stores instructions that are executed by the processor to control the operation of the processor. The processor determines a voltage on the variable voltage DC power bus and defines a pulse-width modulate power control signal based on the determined voltage. The at least one switch is then operated based on the pulse-width modulated power control signal to apply DC power from the DC power bus to the DC load at a first frequency. | 10-16-2014 |
20140319913 | SYSTEM AND METHOD FOR CREATING A NETWORKED INFRASTRUCTURE DISTRIBUTION PLATFORM OF SMALL FIXED AND VEHICLE BASED WIND ENERGY GATHERING DEVICES ALONG ROADWAYS - A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of wind energy generating devices, and a roadway system electricity grid. The wind energy generating devices are electrically connected to the roadway system electricity grid and are positioned on part of or near to a road in a system of roads and are optionally fixed in a position such that a multi-form, wind energy gathering network can be formed. | 10-30-2014 |
20140333135 | High Performance Voltage Compensation - An apparatus for producing a compensated voltage output comprising: a first power source or power sink coupled between a first node and a reference node; a second power source or power sink coupled between a second node and the reference node; a biasing means comprising one portion coupled between the first node and the reference node, and another portion coupled between the first node and the second node. The biasing means is operable to generate a controllable bias voltage of either polarity between the first and second nodes to produce the compensated voltage output. | 11-13-2014 |
20140339896 | PHOTOVOLTAIC MODULE - A photovoltaic module may include a transparent conductive layer on a substrate a first submodule including a first plurality of photovoltaic cells connected in series and a second submodule including a second plurality of photovoltaic cells connected in series. | 11-20-2014 |
20140346876 | POWER SUPPLY CIRCUIT, METHOD, AND PORTABLE DEVICE - The disclosure provides a power supply circuit including an external power source, an ID pin provided in a universal serial bus (USB) port on a printed circuit board (PCB), and an internal power and signal management subsystem. The external power source is configured to power the internal power and signal management subsystem via the ID pin. A power supply method and a portable device are also disclosed. | 11-27-2014 |
20140354053 | Hybrid wind power generator and concentrator with solar panel for improved power generation - This alternative hybrid wind concentrator generator (the “device”) provides low wind environments with improved added capabilities for various power generation applications. A hybrid solar power system such a solar panel is incorporated on top of the device adding power assistance in low wind conditions and or added power generation. Incorporating in a 2 part housing is a tapering inner shroud that concentrates wind inward then down or up depending on placement. Other added benefits included are the outer housings ability to incorporate added batteries and or electronics for improved multi-function and or plug in functionality. Protection from elements birds, trash, etc. is a key ramification that can help expedite wind permitting procedures as well as improve current laws and restrictions. This alternative wind concentrator device provides discreet placement in urban settings houses, retail buildings, and or office buildings. Another unique benefit is the ability to stack wind device units onto one another via a pole or other support structure for added wind concentration abilities. Ease of mobility is built in due to the products compact compartmentalized characteristics. This can in turn lend it to varying sizes and proportions depending on various product applications. | 12-04-2014 |
20140354054 | CONTROL APPARATUS - A control apparatus is used for a power-supply apparatus with power-supply systems connected in parallel between a pair of power wires connected to a load. Each power-supply system has a series circuit of a battery and a contact of a relay. When the control apparatus determines that at least one relay suffers from a contact welding, the control apparatus performs a battery charge/discharge process to charge/discharge the batteries through the pair of power wires by turning ON one of possible relays while turning OFF the others of the possible relays. The possible relay is defined as having a possibility of suffering from the contact welding. After the battery charge/discharge process, the control apparatus identifies which possible relay actually suffers from the contact welding based on a change in a state of the battery connected in series with the contact of each possible relay. | 12-04-2014 |
20140354055 | HIGH EFFICIENCY SOLAR POWER GENERATOR FOR OFFSHORE APPLICATIONS - A dual-type solar power generator comprising a dual capture panel. The dual capture panel comprises a reflective surface configured to reflect solar radiation having a reflecting wavelength and an absorbent surface configured to absorb solar radiation having an absorbent wavelength to create a released electron stream. A thermal transfer unit comprising a receiving zone configured to absorb heat energy, a heat engine that converts the heat energy to mechanical work energy, and a generator configured to convert the mechanical work energy to an electric current, an electric conditioning system comprising an electrical buffer configured to prevent a cross flow of the released electron stream and the electric current, a power converter configured to equalize a released electron stream voltage with an electric current voltage, an electrical connector configured to combine the released stream voltage with the electric current voltage to create a power source. | 12-04-2014 |
20150028674 | FOUR-TERMINAL CIRCUIT ELEMENT WITH PHOTONIC CORE - A four-terminal circuit element is described that includes a photonic core inside of the circuit element that uses a wide bandgap semiconductor material that exhibits photoconductivity and allows current flow through the material in response to the light that is incident on the wide bandgap material. The four-terminal circuit element can be configured based on various hardware structures using a single piece or multiple pieces or layers of a wide bandgap semiconductor material to achieve various designed electrical properties such as high switching voltages by using the photoconductive feature beyond the breakdown voltages of semiconductor devices or circuits operated based on electrical bias or control designs. The photonic core aspect of the four-terminal circuit element provides unique features that enable versatile circuit applications to either replace the semiconductor transistor-based circuit elements or semiconductor diode-based circuit elements. | 01-29-2015 |
20150084422 | MAGNETIC COMPONENT, POWER CONVERTER AND POWER SUPPLY SYSTEM - A magnetic component has a core on which windings are wound. The windings are electrically connected in series to constitute a coil of a first reactor. The winding constitutes a coil of a second reactor. The core has a leg portion on which the winding is wound, a leg portion on which the winding is wound, and a leg portion on which the winding is wound. When a current flows through the windings, magnetic fluxes produced from the windings, respectively, and flowing through the winding counteract each other. Furthermore, when a current flows through the winding, induced voltages produced from the windings, respectively, by the magnetic flux produced by the winding counteract each other. | 03-26-2015 |
20150091381 | METHOD AND AN ARRANGEMENT IN CONNECTION WITH A SOLAR ENERGY SYSTEM - An arrangement and a method are provided in connection with a solar energy system. The arrangement includes solar panels and a converter for converting the DC voltage from the solar panels. The converter is arranged inside a container or a similar closed structure. The arrangement includes means for producing heat from the energy produced by the solar panels. The means are arranged inside the container or a similar closed structure and are electrically connectable to the solar panels. | 04-02-2015 |
20150097434 | METHOD AND APPARATUS FOR INDEPENDENT CONTROL OF MULTIPLE POWER CONVERTER SOURCES - A method and apparatus for independently controlling multiple power converter sources. In one embodiment, the method comprises determining a ratio of a first set point for biasing a first DC source to a power converter and a second set point for biasing a second DC source to the power converter, wherein the first and the second DC sources are serially-coupled to one another and coupled to an input bridge of the power converter by a filter; and determining, based on the ratio, relative switching times for driving a first diagonal of an input bridge of the power converter and a second diagonal of the input bridge to bias the first DC source proximate the first set point and the second DC source proximate the second set point. | 04-09-2015 |
20150303789 | CONVERTER AND VOLTAGE CLAMP CIRCUIT THEREIN - A converter includes a first bridge arm, a second bridge arm, two switch units and a voltage clamp circuit. The first bridge arm includes a first switch unit and a second switch unit that are electrically coupled in series at an output terminal. The second bridge arm includes two voltage sources that are electrically coupled in series at a neutral point terminal. The two switch units are electrically coupled in series at a common connection terminal, and are arranged between the neutral point terminal and the output terminal. The voltage clamp circuit is electrically coupled to the output terminal, the common connection terminal, the neutral point terminal, and one of a positive input terminal or a negative input terminal, and the circuit is shared by the two switch units to clamp voltages across the two switch units. | 10-22-2015 |
20150318702 | MOBILE ENERGY STORAGE MODULE - A mobile energy storage module is provided having a high energy storage capacity and output. An energy storage system having such energy storage modules and to a method for adjusting the energy storage system to the demands in the power supply grids is also disclosed. To achieve this, the mobile energy storage module comprises an enclosing module housing having at least one power connection interface and at least one data interface, and additionally comprises a flywheel module having a plurality of flywheel energy storage units, a vacuum module for generating a minimum vacuum required for operating the flywheel module, a cooling module for removing at least internal thermal loads during operation of the flywheel module, and a module control system that is configured to appropriately control the modules in the module housing. | 11-05-2015 |
20150318703 | Control Method and System with an Inverter, a Direct Current Source, and an Additional Direct Current Source or a Direct Current Sink - A control method for a system having an inverter with a direct current (DC) connection includes a DC source and an additional DC source or DC sink connected in parallel to the DC connection. An actuator configured to adjust at least one of voltage at the DC source, current supplied by the DC source, and output supplied by the DC source, or the voltage at the DC sink, current drawn by the DC sink, and the output drawn by the DC sink adjusts at least one parameter of the system relating to at least one of voltage, current, and output at the DC source, the DC sink, and/or the DC connection such that voltage at the DC connection, current flowing through the DC connection, output supplied through the DC connection to the inverter, or output supplied through the DC connection from the inverter, corresponds to a predetermined value. | 11-05-2015 |
20150333522 | Five-level topology units and inverter thereof - Disclosed are five-level topology units and inverter thereof without an extra boosting circuit wherein the cost is reduced by using only one AC filtering inductor and high efficiency is achieved for the absence of the extra boosting circuit and, furthermore, wherein the leakage current is eliminated substantially by using the half-bridge inverter module. The five-level inverter including the five-level topology unit without an extra circuit to raise input voltage (i.e. Boost circuit) is able to output the same AC power as the five-level full bridge inverter under the same working condition. | 11-19-2015 |
20150357903 | INVERTER SYSTEM, INVERTER APPARATUS, AND METHOD OF CONTROLLING INVERTER SYSTEM - An inverter system includes an inverter apparatus and a smoothing capacitor charging-power apparatus. The inverter apparatus includes a transformer and an inverter cell. The transformer includes primary windings and secondary windings. Each of the inverter cells includes a converter circuit, a smoothing capacitor, and an inverter circuit. The converter circuit is configured to convert an intermediate alternating-current voltage to a direct-current voltage. The smoothing capacitor is configured to smooth the direct-current voltage. The inverter circuit is configured to at least partially generate a phase voltage of a variable alternating-current voltage from the direct-current voltage smoothed by the smoothing capacitor. Electric power is to be supplied from a second power supply different from a first power supply to the smoothing capacitor charging-power apparatus. The smoothing capacitor charging-power apparatus is electrically connected to the primary windings to supply initial charging power to the smoothing capacitor via the primary windings and the secondary windings. | 12-10-2015 |
20160028136 | POWER SYSTEM FOR A TELECOMMUNICATIONS NETWORK - A reliable, end-to-end power supply solution for components of a telecommunications network provides either a primary source or a backup source of electrical power at various telecommunications sites for reliable operation of telecommunications equipment. One subsystem of the power supply solution includes one or more proton exchange membrane type fuel cells and an energy storage device for storing DC electrical power produced by the fuel cells. Another subsystem includes one or more microturbine generators, one or more rectifiers for converting AC electrical power produced by the microturbine generators to DC electrical power, and one or more proton exchange membrane type fuel cells for producing DC electrical power. The power supply solution ensures that voice and data traffic is reliably handled by a telecommunications network in situations where commercial electric utilities fail to supply power at certain points along the network. | 01-28-2016 |
20160029466 | Systems and Methods of Providing Enhanced Electric Fence Diagonstics - An electric fence control unit includes a signal generator, a first signal receiver, a second signal receiver, a signal processing and control unit, and a communications interface. The signal generator generates and transmits an adjustable power signal along a conduction path of the electric fence. The signal receivers sample signal outputs at a driven end and at an open end of the fence line. The signal processing and control unit receives and analyzes the first signal output and the second signal output. The communications interface transmits results from processing the first signal output and the second signal output to a service center. The power signal is adjustable to any capacity power level between a maximum power level and a minimum power level to match a load of the electric fence. Methods of monitoring the electric fence, including adjusting a power level of the adjustable power signal, are also disclosed. | 01-28-2016 |
20160036232 | MAXIMUM ENERGY UTILIZATION POINT TRACKING TECHNOLOGIES - When one operates an energy system at its maximum energy utilization point (MEUP) all the time, one can receive the most amount of energy benefit from the system. The practical MEUP tracking technologies operate generator at a voltage for maximum power extraction and also to produce near-maximum power; incorporate the invented energy extraction devices to near-perfectly extract all power generated; temporary store the surplus energy into designed energy reservoirs; add the invented devices to combined the energy from the extractor and from the reservoirs; prepare and deliver the right amount of power to exactly satisfy the instantaneous demand at all time. Thus effectuates finding and tracking the MEUP of the energy system. | 02-04-2016 |
20160069962 | BATTERY SYSTEM - A battery system includes a battery module having a plurality of assembled batteries. Battery monitoring circuits are provided to correspond to each of the assembled batteries of the battery module. A control circuit controls operation of the battery monitoring circuits. A first signal transmission path transmits signals that are input and output between the battery monitoring circuits and the control circuit. A first isolation element is connected to the control circuit, and a second isolation element is connected to the battery monitoring circuit. The first signal transmission path is isolated from the control circuit by the first isolation element and is isolated from the battery monitoring circuit by the second isolation element. The electrical potential of the first signal transmission path is a floating potential in relation to the electrical potentials of the control circuit and battery monitoring circuits. | 03-10-2016 |
20160084431 | STEPLESS RAPID EXTENDABLE MULTIPOD WITH BUILT-IN POWER SUPPLY - This invention provides an extendable multipod for mounting an apparatus, comprising: a) an apparatus mount that allows rapid mounting and dismounting of an apparatus, wherein the apparatus mount is attached to one end of an extendable device; b) an extendable device comprising a plurality of tubular poles which are mounted so as to be telescopically and axially slidable relative to each other between an extended position and a retracted position, and the extendable device is attached to a supporting element; and c) a supporting element comprising a plurality of legs that are connected to a divaricating plate, wherein the extendable device is inserted through the divaricating plate to affix on a leg connector, and the leg connector is connected to the plurality of legs by a plurality of braces. Furthermore, the extendable multipod comprises a built-in power supply. | 03-24-2016 |
20160111876 | 120VAC TO 240VAC POWER CONVERTER, ADAPTER AND METHODS OF USE - The present invention is directed, in part, to electrical components and methods of use associated with such components. In particular, the invention relates to an electrical device and methods of converting the use of 120 VAC electrical power into 240 VAC electrical power in order to power 240 VAC-requiring equipment and appliances. The electrical system includes at least two 120 VAC electrical cords and plugs, at least one 240 VAC outlet, a plurality of electrical switches and coils managed by a plurality of electrical relays within a central housing unit. The housing unit includes hot side, neutral side and ground wiring that transfer 120 VAC electrical power through the plurality of switches so that the power is safely routed to a 240 VAC outlet for use in powering 240 VAC-requiring equipment and appliances. As a safety feature, the invention further includes a plug circuit breaker that will break the electrical circuit within either a 120 VAC or 240 VAC plug. | 04-21-2016 |
20160126442 | THERMOELECTRIC POWER GENERATOR - Disclosure is related to a thermoelectric power generator. The generator essentially includes a thermoelectric thin-film element which is such as a thin film used to generate voltages according to a temperature difference. The output electric signals are converted to energy stored in an energy storage element. An output circuit is included to output power. In an exemplary embodiment, the thermoelectric power generator has a contact interface for sensing external temperate. The thermoelectric thin-film element is enabled to output voltages when temperature difference is induced. The generator further has a switch, which is used to control if the power is output. The output element is such as a light-emitting element. | 05-05-2016 |
20160164331 | SYSTEM, APPARATUS AND METHOD FOR SUPPLYING ELECTRIC POWER, APPARATUS AND METHOD FOR RECEIVING ELECTRIC POWER, STORAGE MEDIUM AND PROGRAM - An electric power supply system includes an electric power reception apparatus and an electric power supply apparatus adapted to supply electric power to the electric power reception apparatus when the electric power reception apparatus is placed on the electric power supply apparatus. The electric power supply apparatus includes a plurality of electric power supply units adapted to supply electric power by electromagnetic induction to the electric power reception apparatus. A selection unit of the electric power supply apparatus selects, from the total plurality of electric power supply units, a plurality of electric power supply units whose location corresponds to a position where the electric power reception apparatus is placed, and a control unit controls the supply of electric power such that electric power is supplied to the electric power reception apparatus from the selected plurality of electric power supply units. | 06-09-2016 |
20160197481 | POWER-SUPPLY DEVICE DETERMINATION APPARATUS, POWER-SUPPLY DEVICE DETERMINATION METHOD, AND POWER CONVERSION APPARATUS | 07-07-2016 |
20160204703 | POWER SUPPLY SYSTEM | 07-14-2016 |
20190147921 | POWER RESET CIRCUIT | 05-16-2019 |
20190148939 | RECONFIGURABLE FRONT END CONVERTER FOR FULL POWER ENERGY STORAGE APPLICATIONS | 05-16-2019 |
20220140612 | REGULATING METHOD FOR A DECENTRALIZED ENERGY GENERATING SYSTEM, AND DECENTRALIZED ENERGY GENERATING SYSTEM - A method for regulating a decentralized energy generating system with a plurality of inverters (IN) is disclosed. The method includes receiving at the PPC a detected active power, reactive power and voltage amplitude at a grid connection point (PCC) of the energy generating system; and regulating, in a normal operating mode of the energy generating system, the reactive power and the active power to target values stipulated by a grid operator by virtue of the central control unit (PPC) dividing the stipulated target values into individual target stipulations for the plurality of inverters (IN) and communicating individual target stipulations to the inverters (IN). The method further includes selectively changing to a special operating mode of the energy generating system if particular criteria are present at the grid connection point (PCC) in a stipulated time interval. In the special operating mode, the central control unit (PPC) effects a reduction of the active power provided at the grid connection point (PCC) compared to the stipulated target values. | 05-05-2022 |
20220140649 | WIRELESS DEVICE AND OPERATING METHOD THEREOF - Disclosed are a wireless device capable of being self-powered and an operating method thereof. The wireless device includes an energy harvesting module that generates electrical energy based on energy supplied from an outside, a power management module that generates a voltage based on the electrical energy provided from the energy harvesting module, a user input interface that includes at least one input device sensing an input of a user, and a communication module that transfers a command corresponding to the at least one input device to the outside based on the voltage provided from the power management module, in response to that the at least one input device is accessed by the user. | 05-05-2022 |