20th week of 2016 patent applcation highlights part 66 |
Patent application number | Title | Published |
20160141874 | Charging Electronic Devices - A device and method are presented by which a client device can be charged according to a charging scheme which takes accounted of predicted energy cost over a charging interval and the predicted discharge rate of the client device in that time. Multiple client devices can be controlled to optimise the times at which they are charged from the power network in order to minimise energy costs. | 2016-05-19 |
20160141875 | Control System for Power Transmission Within a Structure - A system of electrical distribution within a building, which selectively energizes power sockets only when an appliance is connected to the socket and in need of power. | 2016-05-19 |
20160141876 | ALTERNATE ARM CONVERTER - An alternate arm converter includes at least one converter limb that defines first and second limb portions. Each limb portion includes at least one director switch connected in series with a chain-link converter between one of two DC terminals and an AC terminal of the converter. The chain-link converters are operable to generate a voltage waveform at the AC terminal, and the director switches are operable to switch the respective chain-link converters in and out of circuit between the respective DC terminal and the AC terminal. The converter also includes a controller configured to selectively control the switching of each director switch to form a current circulation path including each limb portion and the DC network. The controller, during formation of the current circulation path, forces an alternating current to flow through the current circulation path to transfer energy between the chain-link converters of the limb portions. | 2016-05-19 |
20160141877 | METHOD AND DEVICE FOR CONTROLLING POWER GENERATORS OF A SUBGRID WITHIN AN INTERCONNECTED GRID - Disclosed is a subnetwork controller (TNR) for a subnetwork (TN) within an interconnected grid (NV), which controller controls power generators (G), subnetworks or loads (L) of the subnetwork in accordance with sensor-captured internal measured variables (y | 2016-05-19 |
20160141878 | DC APPLIANCE SYSTEM - The Embodiments herein produce a net zero electric system (where there is no grid utility electricity required) and/or reduce substantially the size of the balance of plant such as batteries, the consumption of electricity, the generation of electricity or the use of grid electricity. The management system uses cold air storage, thermal storage in water heaters, and increases the efficient of the systems. | 2016-05-19 |
20160141879 | DC Power Grid and Equipment - Direct current electric grids are provided that allow independent power generation and consumption at the neighborhood level. In an embodiment power is uploaded and downloaded to each node via monitoring of node voltage and setting high vs low priority loads to optimize for maximum power usage. Embodiments allow a new paradigm wherein electrical supply is set by total available installed power generation and wherein all available power is used, via prioritization. New apparatuses and circuits are provided that provide higher efficiency by utilizing solar power generated at low light conditions and by minimizing the number of power alteration steps between power generator and power consuming device. | 2016-05-19 |
20160141880 | ELECTRIC POWER SUPPLY SYSTEM - Disclosed is an electric power supply system which has: a common power source which stores and supplies a power via a local power grid; and a distributed power source which supplies a power to buildings and a surplus to the common power source. The electric power supply system further includes a first power meter measuring the amount of power supplied from a commercial power source, a second power meter measuring the amount of power received from and supplied to the common power source via the local power grid, and a distribution control device which distributes a power from the common power source to the area based on the amounts of power as measured by the first power meter and the second power meter. | 2016-05-19 |
20160141881 | WIRELESS POWER TRANSFER METHOD AND CIRCUIT - A power circuit for wirelessly communicating power to a receiving device includes one or more switches for coupling respective ends of different coils of a group of coils together to facilitate selectively connecting the coils in a series configuration, parallel configuration, or combination thereof. The circuit includes a controller configured to control a conduction state of each of the one or more switches, and power terminals in electrical communication with the coils through which a power signal flows. | 2016-05-19 |
20160141882 | POWER TRANSMISSION DEVICE, WIRELESS POWER FEEDING SYSTEM, AND CONTROL METHOD - The present power transmission device performs a power transmission process for transmitting power in a wireless manner through electromagnetic field resonance coupling using a resonance circuit. In a case where a resonance frequency of the resonance circuit set to be the same as a frequency of a power transmission signal which is output as transmission power is deviated during transmission of the power, the present power transmission device detects a direction in which the resonance frequency is deviated and controls the power transmission process on the basis of a detection result thereof. Consequently, it is possible to determine not only whether or not a foreign substance is present in a power transmission region but also determines whether or not the foreign substance influences wireless power transmission with high accuracy, and thus reliability of the wireless power transmission system can be improved. | 2016-05-19 |
20160141883 | CONTROL CIRCUIT, RESONANCE CIRCUIT, ELECTRONIC DEVICE, CONTROL METHOD, CONTROL PROGRAM, AND SEMICONDUCTOR ELEMENT - A control circuit, resonant circuit, electronic device, control method, control program, and a semiconductor element, which enable a circuit to be measured and tuned within a short time even in consideration of a time constant when a control voltage is applied to a variable capacitance capacitor. A control circuit for a variable capacitance capacitor includes: a digital-analog converter that outputs a control voltage consisting of a variable DC voltage; the variable capacitance capacitor that has a capacitance varying with an application of the control voltage; a phase detector that acquires a characteristic of a circuit containing the variable capacitance capacitor; an analog-digital converter that subjects an analog signal from the phase detector to a digital conversion; a comparing section that compares a target value with a detected value; and a control section that sets the control voltage for the digital-analog converter on the basis of the comparison result. | 2016-05-19 |
20160141884 | WIRELESS POWER TRANSMITTING APPARATUS - A wireless power transmitter according to one exemplary embodiment of the present disclosure includes a body having a transmitting coil unit embedded therein, and having one surface with a portable electronic device located thereon, the portable electronic device receiving power from the transmitting coil unit in a wireless manner, and a driving unit that is configured to rotate the transmitting coil unit centering on a shaft penetrating through the transmitting coil unit, such that the transmitting coil unit is moved close to a receiving coil unit of the portable electronic device. | 2016-05-19 |
20160141885 | WIRELESS POWER TRANSMISSION APPARATUS AND SUPPLY POWER CONTROL METHOD OF WIRELESS POWER TRANSMISSION APPARATUS - A wireless power transmission apparatus which is charged in a short charging time and prevents the shortening of the life of a secondary battery is provided. A wireless power transmission apparatus includes a current-voltage detector configured to measure an input impedance Zin of the wireless power transmission apparatus including the power-supplied device and a control device configured to determine whether a constant current charging period (CC) is finished by utilizing a change in the input impedance Zin measured by the current-voltage detector and terminate the charging of the lithium ion secondary battery when it is determined that the constant current charging period (CC) is finished. | 2016-05-19 |
20160141886 | POWER TRANSMISSION APPARATUS, CONTROL METHOD OF POWER TRANSMISSION APPARATUS, AND STORAGE MEDIUM - A power transmission apparatus that wirelessly transmits power includes a detection unit that detects an object, an authentication unit that performs authentication processing including a determination whether the object detected by the detection unit is a power reception apparatus, a power transmission unit that wirelessly transmits power according to a result of the authentication processing performed by the authentication unit, a reception unit that receives a power transmission stop request, and a control unit that stops power transmission according to reception of the power transmission stop request and controls the authentication unit so that the authentication processing is not performed in a period from when the power transmission is stopped to when another object different from the object determined to be a power reception apparatus is detected by the detection unit. | 2016-05-19 |
20160141887 | TUNING CIRCUIT, TUNING METHOD AND RESONANCE-TYPE CONTACTLESS POWER SUPPLY - The present disclosure relates to a tuning circuit, a tuning method and a resonance-type contactless power supply. The resonance-type contactless power supply has the characteristic that an inductor current has a maximum value when it operates at a resonance frequency. Sampling values of the inductor current in two successive cycles are compared with each other. A frequency of an inverter circuit is adjusted in a manner the same as that in a previous cycle in a case that the inductor current increases, and is adjusted in a manner opposite to that in the previous cycle in a case that the inductor current decreases. Thus, the resonance-type contactless power supply can be properly tuned without the need for zero-crossing detection. | 2016-05-19 |
20160141888 | Soft Magnetic Alloy, Wireless Power Transmitting Apparatus, and Wireless Power Receiving Apparatus Including the Same - The present invention relates to a soft magnetic alloy and, more specifically, to a soft magnetic alloy used in electric transformers, pulse generators, compressions, electric chokes, energy-accumulating inductors, magnetic sensors, or the like, and a wireless power transmitting apparatus and wireless power receiving apparatus including the soft magnetic alloy. | 2016-05-19 |
20160141889 | RESONANCE TUNING - One heuristic for tuning a wireless power transfer device includes monitoring a circuit parameter while sweeping a power source frequency; identifying two frequencies related to local maxima of the circuit parameter values; estimating self-resonant frequency of an electromagnetically coupled device based on the two frequencies; determining a value for a tuning component of the wireless power transfer device such that the device self-resonant frequency equals the estimated coupled device self-resonant frequency; and adjusting the tuning component to the determined value. | 2016-05-19 |
20160141890 | Wireless Power Transfer - Near Field Communication Enabled Communication Device - Various configurations and arrangements of various communication devices are disclosed. Various integrated circuits that form these communication devices can be fabricated onto one or more semiconductor substrates, chips, and/or dies using a high voltage semiconductor process, a low voltage semiconductor process, or any combination thereof. Some of these high voltage and/or low voltage semiconductor process integrated circuits can be fabricated along with other high voltage and/or low voltage semiconductor process integrated circuits of other modules onto a single semiconductor substrate, chip, and/or die. This allows the low voltage semiconductor process integrated circuits and/or high voltage semiconductor process integrated circuits of one module to be combined with low voltage semiconductor process integrated circuits and/or high voltage semiconductor process integrated circuits of another module of the communication device. | 2016-05-19 |
20160141891 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, WIRELESS POWER TRANSMISSION METHOD AND WIRELESS POWER RECEPTION METHOD - A wireless power reception method of a wireless power receiver for receiving power from a wireless power transmitter is disclosed. The wireless power receives a connection signal for identifying the wireless power receiver from the wireless power transmitter; transmitting a response signal in response to the connection signal to the wireless power transmitter; negotiating a power transmission condition with the wireless power transmitter; and receiving the power using resonance frequency band according to the negotiated power transmission condition. Furthermore, frequency band for exchanging information used for the power reception is different from the resonance frequency band. In addition, the negotiating of the power transmission condition comprises: receiving first state information of the wireless power transmitter from the identified wireless power transmitter, and transmitting second state information to the wireless power transmitter, the second state information being determined from the wireless power receiver based on the first state information of the wireless power transmitter. | 2016-05-19 |
20160141892 | CONTROLLERS FOR DC/DC CONVERTER - A DC/DC converter converts an input DC voltage to an output DC voltage and charges a battery. The DC/DC converter includes: a DC/DC controller, operable for generating a driving signal according to a target value for the output voltage and a first detection signal indicative of the output voltage level to control switching circuitry and to adjust the output voltage level; and a battery charging controller, coupled to the DC/DC controller and the battery, that is operable for receiving the first detection signal indicative of the output voltage level and a second detection signal indicative of a battery voltage level, and for generating a loop control signal according to the first detection signal and the second detection signal to adjust the target value for the output voltage, wherein the difference between the first detection signal and the second detection signal indicates the amount of a battery charging current. | 2016-05-19 |
20160141893 | ELECTRONIC DEVICE AND BATTERY CHARGE/DISCHARGE CONTROL METHOD THEREOF - An electronic device according to various embodiments of the present disclosure includes a rechargeable battery, and at least one processor. The processor generates usage pattern information of the battery based on a charge/discharge state of the battery, and configures charge/discharge information of the battery using the usage pattern information that is used to optimize battery life, operating capability of the battery, or a charge/discharge state that is an optimized tradeoff between such factors. | 2016-05-19 |
20160141894 | BATTERY ENERGY STORAGE SYSTEM AND CONTROL SYSTEM AND APPLICATIONS THEREOF - An electrical energy storage unit and control system, and applications thereof. In an embodiment, the electrical energy storage unit (which may also be referred to as a battery energy storage system (“BESS”)) includes a battery system controller and battery packs. Each battery pack has battery cells, a battery pack controller that monitors the cells, a battery pack cell balancer that adjusts the amount of energy stored in the cells, and a battery pack charger. The battery pack controller operates the battery pack cell balancer and the battery pack charger to control the state-of-charge of the cells. In an embodiment, the cells are lithium ion battery cells. | 2016-05-19 |
20160141895 | INDUCTOR-BASED ACTIVE BALANCING FOR BATTERIES AND OTHER POWER SUPPLIES - A system includes multiple power supplies connected in series and an active balancing circuit. The active balancing circuit includes an LC resonance circuit and multiple switches configured to selectively couple different ones of the power supplies to the LC resonance circuit. The LC resonance circuit includes an inductor, a capacitor, and an additional switch. The inductor is configured to store energy to be transferred between two or more of the power supplies. The additional switch is configured to selectively create a resonance between the inductor and the capacitor in order to reverse a direction of a current flow through the inductor. The active balancing circuit can transfer energy between individual power supplies or groups of power supplies. | 2016-05-19 |
20160141896 | A SEGMENTED FUEL CELL-BATTERY PASSIVE HYBRID SYSTEM - An apparatus for supplying electrical energy to a varying load is disclosed. The apparatus comprises fuel cells and energy storage devices. A fuel cell subset comprises one or a plurality of series-connected ones of the fuel cells, having a first no-load open-circuit potential thereacross and is connected in parallel with an energy storage device subset comprising one or a plurality of series-connected ones of the energy storage devices, having a second no-load open-circuit potential thereacross, to form a unit. The unit cell is connected in series or parallel with at least one other unit cell. The fuel cells in the unit cell and the at least one other unit cell are fuel cells of the same fuel cell stack. The arrangement is such that first no-load open-circuit potential and the second no-load open circuit potential are substantially balanced. | 2016-05-19 |
20160141897 | RECHARGEABLE BATTERY CHARGING APPARATUS - A rechargeable battery charging apparatus includes a battery module including a plurality of battery cells, a charging unit configured to charge the battery module using power supplied from the outside, and an overcharge preventing unit configured to deform according to internal pressure of the battery module to electrically couple the battery module and the charging unit, wherein the charging unit is configured to stop the charging of the battery module when the charging unit is electrically coupled to the battery module by the overcharge preventing unit. | 2016-05-19 |
20160141898 | CELL PHONE CHARGING SYSTEM - The present invention is a cell phone charger built into the back of the phone or the back of the cell phone case for easy access and use without opening up the phone to charge the battery. | 2016-05-19 |
20160141899 | APPARATUS AND METHOD FOR FULL-ORIENTATION OVER-THE-AIR CHARGING IN PORTABLE ELECTRONIC DEVICES - An apparatus and method for full-orientation over-the-air charging includes a receiver coil associated with a portable electronic device for wireless charging; and a repeater coil associated with a device selectively configured to engage or support the portable electronic device for wireless charging, wherein the device is one of a cover, holster, or case for the portable electronic device; wherein, when the device is selectively engaged or supporting the portable electronic device, a portion of the repeater coil overlaps a portion of the receiver coil forming a magnetic coupling therebetween and supporting wireless charging of the portable electronic device in a plurality of orientations of the portable electronic device relative to a transmitter coil. | 2016-05-19 |
20160141900 | Battery Charger - A rechargeable battery charger is provided and is characterised by comprising a supercapacitor comprised of one or more sheets of graphene or a graphene containing material, a power module adapted to provide up to 40 amps to the supercapacitor from a source of alternating current rated at 100 volts or above, an output converter adapted to deliver direct current power from the supercapacitor to an output port for connecting to a battery-powered electrical device, and a control module adapted to control the charger's various functions automatically and/or for managing and regulating a variable output from the supercapacitor. The charger is especially useful for recharging portable electrical devices such as smartphones, tablets, laptops or similar hand-held or worn items. | 2016-05-19 |
20160141901 | MODULAR CHARGING SYSTEM FOR GAME CONSOLES - A video game controller charging device is supported directly on the top of a video game console and integrated therewith. The device includes a main body portion having a console-engaging structure for providing support to the device while positioned on top of the game console. One or more controller support surfaces, formed as cradles or docking structures for receiving game controllers, are formed on a top surface of the charging device. An extension arm engages a second surface of the game console and includes power connector integrated therein and adapted to engage a power source connection on the game console when the charging device is installed on the game console. Fastening devices may include suction devices that may be selectively activated to secure the charging device to a surface of the game console. | 2016-05-19 |
20160141902 | Battery Pack Chargers and Charging Methods - A method of charging a battery pack is provided. The method includes: providing a charger comprising a battery interface, a set of terminals, and a power supply circuit for providing a charging current scheme; providing a set of battery packs, each battery of the set of battery packs comprising a charger interface having a physical configuration to mate with the battery interface and a set of terminals having a physical configuration to mate with the set of charger terminals; and providing a charging scheme defined by a relationship between the set of battery terminals and the set of charger terminals. | 2016-05-19 |
20160141903 | POWER CHARGER FOR MOBILE DEVICES - A power charger device. The power charger device may include a body with power prongs extending from the body, power prong receptacles, and a data transfer plug receptacle. A circuit may provide power from the power prongs to the power prong receptacles and the data transfer plug receptacle. | 2016-05-19 |
20160141904 | Bag and luggages for convenient charging - A backpack for convenient charging, the backpack comprising: a backpack body with a battery storage space to accommodate a storage battery unit; at least one strap connected to the backpack body, where at least one strap has a fixture for fixing a product to be charged and a power cable output port proximal to the fixture; wherein the backpack body further includes at least one cable passage leading from the battery storage space to the power cable output port to accommodate at least one power cable each with a first end and a second end, wherein at least one of the first end and the second end of the at least one power cable is connected to the storage battery unit to be charged. | 2016-05-19 |
20160141905 | POWER SUPPLY SYSTEM AND VOLTAGE CONTROL METHOD FOR FUEL CELL - A voltage control method for a fuel cell may include: interrupting electrical connection between the fuel cell and a load in a low load state; supplying oxygen to the fuel cell in accordance with a preset condition during the electrical connection is interrupted; detecting an OCV of the fuel cell after oxygen is supplied to the fuel cell in accordance with the preset condition; reducing an amount of oxygen supplied to the fuel cell when the OCV is higher than a target voltage by a first value or larger; increasing the amount of oxygen when the OCV is lower than the target voltage by a second value or larger; and keeping the amount of oxygen when the OCV is lower than a sum of the target voltage and the first value and higher than a value obtained by subtracting the second value from the target voltage. | 2016-05-19 |
20160141906 | CHARGING AND DISCHARGING CONTROL CIRCUIT FOR BATTERY DEVICE - A source of a pass-on FET is connected to a charger (load) terminal node connected to a battery terminal, a drain of the pass-on FET is connected to a gate of the current-pass FET, a gate of the pass-on FET is connected to a first control signal of a controller, a drain of the current-pass FET is connected to the other terminal of a battery, and a source of the current-pass FET is connected to one terminal of a charger. Two pass-off FETs are connected in series between the drain and the gate of the current-pass FET, one of gates of the two pass-off FETs is connected to a second control signal outputted from the controller, the other one of the gates of the two pass-off FETs is connected to a level converter, and an input of the level converter is connected to the second control signal. | 2016-05-19 |
20160141907 | BATTERY MANAGEMENT CIRCUIT AND RELATED TECHNIQUES USING MOSFET POWER SWITCH WITH INTELLIGENT SWITCH CONTROL - A circuit includes a power supply configured to generate a supply voltage, an electrical load coupled to receive the supply voltage from the power supply, and a switching circuit. The switching circuit has a first terminal coupled to a first terminal of the electrical load, a second terminal, and a third, control terminal. The first and second terminals of the switching circuit correspond to current conducting terminals of the switching circuit. The circuit also includes a current sensing circuit and at least one battery having a first terminal coupled to a corresponding terminal of the current sensing circuit. The circuit additionally includes a battery measurement circuit having a first terminal coupled to the control terminal of the switching circuit and at least a second terminal coupled to first and second opposing terminals of the at least one battery. | 2016-05-19 |
20160141908 | METHOD AND APPARATUS FOR EFFICIENCY COMPLIANCE IN WIRELESS CHARGING SYSTEMS - A method and system for efficiency compliance in a wireless battery charging system includes a wireless power source that provides a wireless charging power signal to devices in proximity to the wireless power source. The devices have a receiving coil to receive electrical energy from the wireless charging power signal, and they communicate battery charging metrics to the wireless power source. The wireless power source uses the battery charging metrics to determine a predicted system efficiency to charge the devices over a period of time, and when the predicted efficiency is below an efficiency standard, the wireless power source undertakes an action to improve system efficiency. | 2016-05-19 |
20160141909 | RECEIVING ANTENNA AND WIRELESS POWER RECEIVING DEVICE INCLUDING THE SAME - A receiving antenna of a wireless power receiving device wirelessly charging electrical power according to an embodiment of the present invention includes a substrate, a soft magnetic layer stacked on the substrate, including a soft magnetic material, and having gaps at predetermined intervals, and a coil stacked on the soft magnetic layer and receiving electromagnetic energy emitted from a wireless power transmission device. | 2016-05-19 |
20160141910 | CHARGING CASE FOR ELECTRONIC DEVICES - Techniques are disclosed for aiding in charging an electronic device using a charging case. The charging case includes a conductive contact and may connect to a conductive contact of the electronic device while still allowing user access to the main connector port of the electronic device. The charging case includes a power module that may receive power from an external power source. The power module may include an inductive coupling coil, photovoltaic cells, or a power cable port. Circuitry within the charging case may control and transmit power from the power module to the electronic device through the conductive contacts. The charging case may include a battery. The charging case may also include a data module for receiving data from an external data source, and the case circuitry may process and transmit data from the data module to the electronic device through the conductive contacts. | 2016-05-19 |
20160141911 | OFFSHORE POWER GENERATION SYSTEM - The offshore power generation system includes a buoyant float for offshore operation. A solar subsystem and a wind subsystem are mounted to the top of the float to harness solar and wind energies and convert the same into useful power, e.g., electricity. A water turbine subsystem and a hydrofoil subsystem are mounted to the bottom of the float to harness tide-wave energies and convert the same into useful power. The generated power from the various subsystems feeds into a rechargeable battery for power collection and distribution. | 2016-05-19 |
20160141912 | SYSTEM FOR WATER SUPPLY USING SUNLIGHT - The claimed water supply system using sunlight has a technical effect of improving the energy efficiency by having a saving unit storing current that was generated by solar cells but was left over after running a motor so as to use the stored current later. | 2016-05-19 |
20160141913 | SYSTEM AND METHOD FOR RECONFIGURING A SOLAR PANEL FOR STORAGE AND TRANSPORT - A mobile solar array is provided which can be reconfigured between an operational (i.e. flat) configuration, and a retracted (i.e. folded) configuration. This is a two-step process. First, the structure that supports the solar array in its operation configuration on a docking pad is collapsed. This lowers the solar array toward the docking pad. Next, the solar array, which includes three sections of photovoltaic modules is folded lengthwise. Specifically, side sections of the solar array are folded out-of-plane from the center section. This places the solar array in its retracted configuration. | 2016-05-19 |
20160141914 | METHODS AND SYSTEMS FOR EMERGENCY LIGHTING - Methods and systems for emergency lighting are disclosed. Embodiments of the invention provide a solid-state lighting system, light fixture or a collection of light fixtures, with a control input that is used to cause the system to dim to a specific level during an outage in order to conserve power in a building where power is backed up by an emergency inverter or a back-up generator. With embodiments of the invention, there is no need to run a separate power feed, as might otherwise be required for keeping distributed batteries charged or for running specified emergency-only fixtures from back-up power. In some embodiments the solid-state lighting system includes an occupancy sensor wherein the specified light output level is determined at least in part based on the occupancy of a room. In some embodiments, the system can be selectively configured for the specified output level. | 2016-05-19 |
20160141915 | EMERGENCY LIGHTING BATTERY CHARGER - An emergency lighting power supply includes a rechargeable battery; ballast circuitry configured to supply power to an external light, battery charging circuitry configured to charge the battery, and a controller. The controller determines an amount of time the rechargeable battery has discharged to supply power, via the ballast circuitry, to the external light. If the amount of time is less than a threshold, the controller causes the battery charging circuitry to supply a first current to charge the battery for a first charging period that is proportional to the amount of time, and causes the battery charging circuitry to supply a second current to charge the battery subsequent to the end of the first charging period. | 2016-05-19 |
20160141916 | POWER SYSTEM, POWER MANAGEMENT METHOD, AND PROGRAM - A power system | 2016-05-19 |
20160141917 | UNINTERRUPTIBLE POWER SUPPLY FOR SMPS LOADS - An uninterruptible power supply circuit is provided. The uninterruptible power supply circuit includes a first diode, a second diode, a bridge rectifier, and one or more electrical loads. The first diode, the second diode, the bridge rectifier, and the one or more electrical loads are electrically connected in the uninterruptible power supply circuit to drive the one or more electrical loads with a DC voltage or the intended AC supply voltage when the AC supply voltage is cutoff. | 2016-05-19 |
20160141918 | Electrical power availability interface - A method for decentralizing a piece of information pertaining to a power availability situation in a power grid at a particular instant includes ascertaining power availability data in the power grid by a power control center that is associated with the power grid, and generating a piece of power availability information by the power control center at the particular instant. The method also includes transmitting the power availability information from the power control center to at least one data reception system, and processing and/or outputting the power availability information by the data reception system. | 2016-05-19 |
20160141919 | POWER FEED DEVICE, POWER RECEPTION DEVICE AND POWER FEED METHOD - Power feed device ( | 2016-05-19 |
20160141920 | DETECTING DEVICE, POWER RECEIVING DEVICE, CONTACTLESS POWER TRANSMISSION SYSTEM, AND DETECTING METHOD - Disclosed herein is a detecting device including a coil electromagnetically coupled to the external, a resonant circuit that includes at least the coil, and a detecting section that superimposes a measurement signal for measuring the Q-factor of the resonant circuit on a power transmission signal transmitted to the coil in a contactless manner and removes the power transmission signal from an alternating-current signal obtained by superimposing the measurement signal on the power transmission signal. The detecting section measures the Q-factor by using the alternating-current signal from which the power transmission signal is removed. | 2016-05-19 |
20160141921 | HELICAL HEAT EXCHANGER FOR ELECTRIC MOTORS - An electric motor has a stator, a rotor, and a helical heat exchanger disposed outboard of the stator. The helical heat exchanger includes: an inner sleeve; an outer sleeve coaxially disposed with and outboard of the inner sleeve with a void therebetween; at least one helical wall disposed in the void between the inner and outer sleeves extending from one end to an opposite end of the inner and outer sleeves; the at least one helical wall forming a fluid tight seal along its helical path to define at least one helical fluid flow path in the void between the inner and outer sleeves; and the at least one helical fluid flow path configured to permit at least one heat transfer medium to helically travel within the void between the inner and outer sleeves. | 2016-05-19 |
20160141922 | GENERATOR - Provided is a so-called Lundell-type generator capable of avoiding generation of eddy current in rotor iron-cores without complicated structure. The generator includes a stator, a rotary shaft, first and second rotor iron-cores, and a rotor coil. Each rotor iron-core includes a base and rotor magnetic-pole portions extending axially from the base, the rotor coil disposed on the inside thereof. Each rotor iron-core is formed of a plurality of unit plates stacked axially. The unit plates integrally include respective basal plate portions stacked to form the bases and a plurality of magnetic—pole plate portions stacked to form the rotor magnetic-pole plate portions stacked to form the rotor magnetic-pole portions. | 2016-05-19 |
20160141923 | Rotor for a reluctance motor, in particular a synchronous reluctance motor, method for producing such a rotor, and reluctance motor comprising such a rotor - The rotor comprises rotor segments consisting of a magnetically conductive material, which segments are distributed across the circumference of a rotor housing. Rotor housing portions of low magnetic conductivity are located between the rotor segments. The rotor segments are embedded in a main body in such a way that the outside or inside of the main body forms a closed housing. To produce the rotor a star-shaped blank is punched out of a metal sheet, the arms of said blank being bent out in relation to a central part connecting said arms, in order to form the rotor segments. | 2016-05-19 |
20160141924 | ROTOR OF WOUND ROTOR SYNCHRONOUS MOTOR - A rotor of a wound rotor synchronous motor (WRSM) drive motor is arranged with a predetermined air gap to an inside surface of a stator, and the rotor may include a rotor core including steel sheets, where the rotor core may has rotor tees arranged at fixed intervals on an outside circumferential surface of a rotor body in a circumferential direction with a slot interposed between the rotor tees for winding a rotor coil thereon, and a rotor shoe formed at an end of each of the rotor tees opposite to the inside diametral surface of the stator, and the rotor core may have a plurality of core groups respectively having stacks of steel sheets with different shapes from one another, such that the rotor tees have different widths from one another in respective sections of a shaft in a shaft direction. | 2016-05-19 |
20160141925 | ROTOR OF A ROTARY ELECTRICAL MACHINE EQUIPPED WITH AN EXCITATION WINDING INSULATOR COMPRISING AT LEAST ONE PETAL MODIFIED FOR THE PASSAGE OF A MAGNET DURING THE ASSEMBLY | 2016-05-19 |
20160141926 | Rotary Electrical Machine, and Rotor for Rotary Electrical Machine - There is provided a rotor for a rotary electrical machine for improving mechanical strength of the rotor against centrifugal force. The rotary electrical machine is provided with a stator, and a rotor disposed with a gap from the stator, which has a rotor core. The rotor includes a magnet insertion hole, and a permanent magnet inserted into the magnet insertion hole. A clearance part is formed at a position of the magnet insertion hole corresponding to a corner of the inserted permanent magnet, which has a facing surface that is formed to face a surface of the permanent magnet via a gap. The facing surface of the clearance part has inflection points so that each of obtuse angles is formed by the two facing surfaces contiguous with the inflection points. | 2016-05-19 |
20160141927 | LOW COST INJECTION MOLDED BURIED PERMANENT MAGNET MOTOR FOR AN ELECTRIC POWER STEERING SYSTEM - An interior permanent magnet motor includes a housing, a ring-shaped stator fixed in the housing and having a coil which generates a magnetic field when a voltage is applied, a rotor being disposed for rotation within, and relative to the ring-shaped stator. The rotor includes a shaft rotatably supported by the housing, a magnetic plate pair disposed about an outer circumference of the rotor. A triangular member is disposed between the magnetic plate pair and the shaft. The triangular member having a flat surface mated to each inner end of each magnetic plate of the magnetic plate pair. The triangular member directs flux produced by rotation of the rotor toward the stator. | 2016-05-19 |
20160141928 | ROTOR STRUCTURE OF INTERIOR-PERMANENT-MAGNET MOTOR - A rotor structure of interior-permanent-magnet motor includes an iron core member and multiple permanent magnets embedded in the iron core member in the form of a spoke. One end of each magnet near the curvature center of the iron core member is positioned in the space of a corresponding end socket. The space of the end socket restricts the path of the magnetic lines of the magnet and concentrates the magnetic lines to increase the magnetic flux density and enhance the counter potential, whereby the thrust is increased. | 2016-05-19 |
20160141929 | ROTOR MEMBER, ROTOR, ELECTRIC MOTOR, MACHINE TOOL, AND MANUFACTURING METHOD OF ROTOR - A rotor member includes a cylindrical sleeve part having a circular outer peripheral surface, a plurality of magnets arranged along the outer peripheral surface and including an inner peripheral surface having a curvature radius larger than a curvature radius of the outer peripheral surface, and a cylindrical holding member surrounding the plurality of magnets. Between the outer peripheral surface of the sleeve part and the inner peripheral surface of the magnets, a gap of a radial direction increased toward a circumferential edge portion of the magnets is formed. | 2016-05-19 |
20160141930 | Rotor for Electric Power Steering Motor, Electric Power Steering Motor with This, and Manufacturing Therefor - A rotor for an electric power steering motor is configured to include a rotor core having a step skew structure constituted of two independent cores as well as to use shrink fitting to fasten the two cores to a shaft. It may also be configured such that a magnetic center of the rotor core is adjusted by controlling a dimension thereof from a tip of the shaft and by shrink fitting the two cores. | 2016-05-19 |
20160141931 | ROTOR COMPONENT MEMBER, ROTATING AXIS, ROTOR, MOTOR, AND MACHINE TOOL - A rotor according to the present invention includes a rotating axis rotating about an axial center of the rotating axis and a rotor component member including an inner circumferential surface on which an outer circumferential surface of the rotating axis fits. The outer circumferential surface of the rotating axis and the inner circumferential surface of the rotor component member include corresponding tapered surfaces each having a diameter that varies in taper along the axial center, the tapered surfaces being in full contact with each other while the outer circumferential surface of the rotating axis is press-fitted relative to the inner circumferential surface of the rotor component member, and at least one of the tapered surfaces has a corrugated surface structure storing a lubricant before the rotating axis is press-fitted relative to the rotor component member, while configured to wear away by press-fitting the rotating axis relative to the rotor component member to discharge the lubricant. | 2016-05-19 |
20160141932 | ELECTRIC WORKING MACHINE - The present application discloses an electric working machine. The electric working machine includes a motor including a stator. The stator includes: a stator core haring a plurality of tooth portions radially extending along a radial direction; and a first coil, a second coil, and a third coil wound on the tooth portions. A start end of the first coil and a finish end of the second coil, a start end of the second coil and a finish end of the third coil, and a start end of the third coil and a finish end of the first coil are led out within a range of 200 degrees from the stator. | 2016-05-19 |
20160141933 | MOTOR ACTUATOR - A motor actuator includes a housing and an electric motor contained in the housing. The electric motor has a motor casing and a motor shaft protruding from a front face of the motor casing. The housing has a back wall behind a rear face of the motor casing. A gap space, which continues in a motor shaft direction, is formed between the back wall of the housing and the rear face of the motor casing. A counter region, which defines the gap space, is provided in the rear face of the motor casing. The motor actuator further includes a sound insulating member placed in the gap space, and covers the counter region in its entirety from behind. | 2016-05-19 |
20160141934 | Electric power conversion design for liquid fueled vehicles - A cylindrical direct drive AC induction electric motor and an adapter plate comprises an electric power conversion design for liquid fueled vehicles. For front-wheel drive vehicles, an adapter plate replaces the spindle, the motor is bolted to the adapter plate and the vehicle wheel is bolted directly to the lug studs. For rear-wheel drive vehicles, each end of the rear axle is cut off. Using the adapter plate, the motor directly attaches to the end of the “pipe.” Also, a single-piece, trailer type axle could completely replace the axle. For independent rear suspension, the adapter plate bolts in place of the wheel bearing assembly and the wheel is attached to the motor. In all of these cases, the original internal combustion engine, transmission, and all other drive components, along with the exhaust system and fuel tank, are removed to make room for batteries and components of the electric drive system. | 2016-05-19 |
20160141935 | VIBRATION MOTOR - A vibration motor, comprising a base part which expands perpendicular to a vertical center axis; a shaft which protrudes upward along the center axis, a lower end of the shaft being coupled to the base part; a circuit board disposed on the base part; coil parts which are attached onto the circuit board, and face each other in a radial direction across the shaft and a gap; a bearing part which is rotatably attached to the shaft at an upper side than the coil parts; a rotor holder which is attached to the bearing part; a magnet part which is attached to the rotor holder; an eccentric weight which is attached to the rotor holder; a spacer which is attached to the shaft at a portion between the bearing part and the coil part, a top surface of the spacer being in contact with a bottom surface of the bearing part; and a cover part which covers at least a portion of the upper and lateral sides of the rotor holder and the eccentric weight, and is fixed to an upper end portion of the shaft and an edge portion of the base part, wherein a bottom surface of the spacer vertically faces a top surface of the coil part. | 2016-05-19 |
20160141936 | MOTOR ASSEMBLY FOR POWER STEERING ASSEMBLY - In one aspect of the invention, a motor assembly for an electric power steering assembly is provided. The motor assembly includes a motor housing, a stator, and a hollow rotor defining an inner cavity, the rotor configured for rotational movement within the motor housing. The motor assembly further includes a worm shaft having a first end and a second end, and a motor coupling positioned within the inner cavity and coupled to the rotor for rotational movement therewith. The worm shaft first end is coupled to the motor coupling for rotational movement therewith. | 2016-05-19 |
20160141937 | FUEL VAPORIZATION USING DATA CENTER WASTE HEAT - Systems and methods are provided for data center cooling by vaporizing fuel using data center waste heat. The systems include, for instance, an electricity-generating assembly, a liquid fuel storage, and a heat transfer system. The electricity-generating assembly generates electricity from a fuel vapor for supply to the data center. The liquid fuel storage is coupled to supply the fuel vapor, and the heat transfer system is associated with the data center and the liquid fuel storage. In an operational mode, the heat transfer system transfers the data center waste heat to the liquid fuel storage to facilitate vaporization of liquid fuel to produce the fuel vapor for supply to the electricity-generating assembly. The system may be implemented with the liquid fuel storage and heat transfer system being the primary fuel vapor source, or a back-up fuel vapor source. | 2016-05-19 |
20160141938 | WINDING COOLING STRUCTURE OF SHAFT MOTOR - A winding cooling structure of shaft motor includes a chamber in which multiple annular windings are received. A cooling fluid is filled up in the chamber to possibly contact the surfaces of every part of the respective windings. Therefore, heat generated by the windings can be quickly transferred to the cooling fluid around the windings and dissipated. Accordingly, in operation, the heat dissipation efficiency of the shaft motor can be enhanced to prolong lifetime of the motor and ensure the performance of the motor. | 2016-05-19 |
20160141939 | ELECTRIC WORKING MACHINE - The present application discloses an electric working machine. The electric working machine includes: a motor including a rotor; a sensor board including a magnetic sensor for detecting magnetic variation due to rotation of the rotor; and a housing which contains the motor and the sensor board. in the electric working machine, the sensor board does not cover an entire circumference of the rotor. In the electric working machine, the sensor board has a portion covering the rotor, and a portion not covering the rotor. | 2016-05-19 |
20160141940 | TRANSDUCER DEVICE WITH FORM-FITTING CONNECTION - A transducer device for attachment to one end of a shaft of an electric drive, the shaft having a shaft axis. The transducer device includes at least one recess in the shaft end. Means are provided for engaging the transducer device with the at least one recess to create a form fitting connection acting in the direction of the shaft axis. Finally, a securing means is provided for preventing detachment of the form-fitting connection. | 2016-05-19 |
20160141941 | ROTATING ELECTRICAL MACHINE AND METHOD OF MOUNTING ELEMENT WIRE TEMPERATURE MEASUREMENT SENSORS ON ROTATING ELECTRICAL MACHINE - Insulating objects arranged in parallel between adjacent element wire conductors of a plurality of the element wire conductors in a circumferential direction of the rotating electrical machine on each of both sides interposing a dislocating portion of the element wire conductor and linearly extending along the adjacent element wire conductors; a storage space formed between the linear insulating objects arranged in parallel at each of the both sides interposing the dislocating portion; and a temperature detection sensor configured to detect a temperature of the element wire conductors and stored in the storage spaces at each of the both sides interposing the dislocating portion across both sides interposing the dislocating portion are provided, wherein the hardness of the insulating objects is lower than the hardness of the element wire conductors, whereby the types of the rotating electrical machine to which the temperature detection sensor can be applied may be extensively increased. | 2016-05-19 |
20160141942 | Method for Producing Lamination Stacks and Facility for Performing the Method - In a method for producing stacks of laminations, in which at least one adhesive is applied onto annular laminations with at least one application head and laminations are stacked into a stack of laminations, the lamination is rotated about its axis in the application area of the application head and/or the application head is moved about the axis of the lamination in order to apply the adhesive onto the lamination. A system for carrying out the method features at least one punching tool, with which laminations are punched out of a sheet metal material, wherein at least one station for cleaning and/or for activating and/or for applying an adhesive onto the laminations is arranged downstream of the punching tool. | 2016-05-19 |
20160141943 | METHOD AND STATION FOR THE CONSTRUCTION OF A STATOR WINDING WITH RIGID BARS FOR A ROTARY ELECTRICAL MACHINE - Method and station for the construction of a stator winding with rigid bars for a rotary electrical machine; an insulated wire of electrically conductor material and provided on the outside with an insulating layer is unwound from a coil; a final end of the insulated wire is bent in a “U” shape so as to create a bar having two legs connected to one another by a cusp; the insulated wire is transversely cut to separate the rigid bar from the remaining part of the wire; and the bar is inserted into a stator slot of a magnetic core of a stator; furthermore, the electrical conductivity is measured between the core and the outer surface of the insulated wire by means of a first electrode electrically and permanently connected to the core of the insulated wire and a second electrode, which rubs against the outer surface of the insulated wire. | 2016-05-19 |
20160141944 | SHORT-CIRCUIT RING FOR AN ELECTRICAL ASYNCHRONOUS MACHINE, COMPOSED OF PARTIAL RING SEGMENTS - A short-circuit ring for a rotor of an electrical asynchronous machine is circular and has along its circumference a multiplicity of recesses extending in the axial direction, into which rods of a rotor cage of the asynchronous machine can be placed. The short-circuit ring is assembled from a plurality of partial ring segments. | 2016-05-19 |
20160141945 | MAGNETIC JACK TYPE CONTROL ELEMENT DRIVE MECHANISM FOR PRECISION POSITION CONTROL OF CONTROL ELEMENT ASSEMBLY - A magnetic jack type control element drive mechanism for precision position control of a control element assembly, satisfies the following conditions: | 2016-05-19 |
20160141946 | MAGNETIC ROTATION ACCELERATOR AND POWER GENERATION SYSTEM INCLUDING THE SAME - Provided are a magnetic rotation accelerator and a power generation system. The magnetic rotation accelerator includes: a shaft; a fixed plate through which the shaft penetrates and on which a plurality of first magnetic units are disposed; and a rotary plate through which the shaft penetrates, which faces the fixed plate and on which a plurality of second magnetic units are disposed, wherein a repulsive force is generated between the first magnetic units and the second magnetic units, the first magnetic units form a first row and a second row around the shaft, and the second magnetic units form a third row and a fourth row around the shaft, wherein central axes of the first magnetic units of the first row are in phase with central axes of the first magnetic units of the second row, and central axes of the second magnetic units of the third row are out of phase with central axes of the second magnetic units of the fourth row. | 2016-05-19 |
20160141947 | EDDY CURRENT RETARDER EQUIPMENT - Eddy current retarder equipment ( | 2016-05-19 |
20160141948 | LOW NOISE POWER SUPPLY MOSFET GATE DRIVE SCHEME - A switching power supply can include multiple power MOSFETs that receive an initial gate drive waveform comprising a fast slew rate region having a negative slope and a slow slew rate region also having a negative slope. The MOSFETs can turn off during the slow slew rate region of the initial gate drive waveform. | 2016-05-19 |
20160141949 | MODULAR EMBEDDED MULTI-LEVEL CONVERTER AND METHOD OF USE - A modular embedded multi-level converter (MEMC) includes a first phase portion and a second phase portion. The first phase portion includes a first switch stack operable to couple a first phase branch between a positive DC bus and a midpoint node. The second phase portion includes a second switch stack operable to couple a second phase branch between the midpoint node and a negative DC bus. A DC voltage between the positive DC bus and the negative DC bus is distributable among switching units disposed in the first phase branch and the second phase branch. A distribution of the DC voltage is controlled by regulating a DC voltage at the midpoint node to balance energy among the switching units. | 2016-05-19 |
20160141950 | THERMAL MANAGEMENT IN A MULTI-PHASE POWER SYSTEM - One aspect is a method that includes applying a plurality of incrementally varying voltage targets to a plurality of power phase converters operating in parallel between a source voltage rail and a load voltage rail. A phase temperature of each of the power phase converters is monitored. The phase temperature of each of the power phase converters is compared to a thermal adjustment limit. One or more of the power phase converters are adjusted to reduce an associated output current based on determining that at least one of the power phase converters exceeds the thermal adjustment limit. Power phase converter adjustments can be performed in a balanced manner such that a net sum voltage at the load voltage rail is substantially unchanged after the adjustments. | 2016-05-19 |
20160141951 | System and Method for a Startup Cell Circuit - According to an embodiment, a circuit comprising includes a first switching circuit coupled to a power supply input, a second switching circuit coupled to an output of the first switching circuit, a supply capacitor coupled to the second switching circuit, and a startup cell coupled to the power supply input and the supply capacitor. The startup cell is configured to electrically couple the power supply input to the supply capacitor when the second switching circuit is not actively switching. The startup cell is also configured to electrically decouple the power supply input from the supply capacitor when the second switching circuit is actively switching. | 2016-05-19 |
20160141952 | Digital Power Factor Correction - A circuitry for providing a power factor correction is suggested. The circuitry includes a digital pulse width modulator, a switching element, a control unit, and a combiner. An output of the digital pulse width modulator is connected to the switching element. The combiner determines a combined signal based on an output of the control unit and an input signal. The combined signal is conveyed towards the digital pulse width modulator. An output of the switching element provides a feedback signal for the digital pulse width modulator and for the control unit such that an error in the feedback signal is reduced. | 2016-05-19 |
20160141953 | ON-VEHICLE ELECTRONIC DEVICE AND MOTOR-DRIVEN COMPRESSOR - An inverter includes a bus bar as a wiring and a ferrite core that covers the bus bar to absorb electromagnetic noise from the bus bar. The bus bar and ferrite core are integrated by mold forming using a resin material in a state of exposing a part of the ferrite core. | 2016-05-19 |
20160141954 | METHOD FOR CONTROLLING A POWER STAGE - In a control method for a power converter, an output voltage is generated according to a control law controlling a switched power stage. During ramp up of the power converter, at least one parameter of the power stage is identified, and the control law is adapted to the identified at least one parameter of the power stage for operating the power converter. | 2016-05-19 |
20160141955 | VOLTAGE CONTROL CIRCUIT FOR A FIELD DEVICE COUPLER - A voltage control circuit for electrically coupling a field device coupler to a bus line. An input voltage (UE) provided at the voltage control circuit by the bus line is converted into an output voltage (UA) that can be regulated and limited. If a current limitation is additionally provided, the “inherent safety” ignition protection type can be achieved. The voltage control circuit has a chopper-type regulator without galvanic isolation. A parallel path is formed parallel to the chopper-type regulator by a series connection of two buffer capacitors. Communication signals of higher frequency can be transmitted past the chopper-type regulator via the parallel path. The parallel path and a reference terminal of the chopper-type regulator are additionally connected via an impedance circuit to a reference potential at a second input terminal of the voltage control circuit. | 2016-05-19 |
20160141956 | VOLTAGE REGULATOR WITH HYBRID ADAPTIVE VOLTAGE POSITION AND CONTROL METHOD THEREOF - A voltage regulator with hybrid adaptive voltage position includes a resistor, a controllable current source, a current DAC and an error amplifier. The resistor has a first terminal coupled to the output voltage of the voltage regulator and a second terminal. The controllable current source is coupled to the second terminal of the resistor to provide a main current proportional to the output current of the voltage regulator. The current DAC is configured to receive a digital signal and the output current, and provide a tuning current to the second terminal of the resistor based on the digital signal and the output current. The error amplifier generates a compensation signal based on a reference voltage and the voltage at the second terminal of the resistor, so as to adjust the output voltage of the voltage regulator. | 2016-05-19 |
20160141957 | Output Current Monitor Circuit for Switching Regulator - A circuit and method for providing switching regulation with an improved current monitor comprising a pulse width modulation (PWM) controller configured to provide an output signal voltage, an output stage configured to provide switching comprising a first and second transistor, and first inverter, a sense circuit configured to provide signal sensing from said output stage, a sampling switch circuit configured to provide sample signals from said sense circuit, a differential integrator circuit configured to provide sample signals from said sampling switch circuit, a comparator configured to provide signals from said integrator circuit, a control logic circuit configured to provide signals from said comparator, a current digital-to-analog converter (DAC) configured to provide feedback signal from said control logic circuit, and, a digital filter configured to provide output current information. | 2016-05-19 |
20160141958 | SWITCH CONTROL CIRCUIT AND CONTROL METHOD FOR A FOUR-SWITCH BUCK-BOOST CONVERTER - An apparatus can include: (i) a power stage circuit including first, second, third, and fourth switches and an inductor; (ii) a constant time control circuit configured to generate a switch trigger signal according to switching signals of the first and third switches; (iii) a PWM control circuit configured to receive an input voltage signal via the input terminal, an output voltage via the output terminal, and the switch trigger signal, and to generate switching signals to control the first, second, third, and fourth switches; and (iv) the PWM control circuit being configured to turn on or off the first and third switches in response to the switch trigger signal being activated. | 2016-05-19 |
20160141959 | SWITCHING POWER SUPPLY - A power supply control IC includes: a switching control circuit of a fixed on-time type configured to generate an output voltage from an input voltage by driving an inductor by complimentarily turning on/off an output transistor and a synchronous rectification transistor based on a result of comparison between a predetermined reference voltage and a feedback voltage in accordance with the output voltage. The switching control circuit extends an on-time of the output transistor more when a backflow of a coil current is detected than when the backflow is not detected. | 2016-05-19 |
20160141960 | Zero Voltage Switching Detection Apparatus and Method - A converter comprises a switch network coupled to a power source, wherein the switch network comprises a plurality of power switches, a magnetic device coupled to the switch network, a detector coupled to the magnetic device through a magnetic coupling and a control circuit configured to receive a zero voltage switching signal from the detector and adjust gate drive signals of the power switches based upon the zero voltage switching signal. | 2016-05-19 |
20160141961 | POWER CONVERTER CONTROLLER WITH STABILITY COMPENSATION - A switch mode power converter includes a primary side, an energy transfer element, and a secondary side. The secondary side includes output terminals coupled to a load and an output capacitance across the output terminals. The secondary side further includes a compensation signal generator—configured to generate a compensation signal. The compensation signal compensates charging the output capacitance with power transferred from the primary side to the secondary side. The secondary side further includes computational circuitry configured to output an adjusted compensation signal that compensates, based on the compensation signal, one of an output sense signal representative of an output signal at the output terminals and a reference signal representative of a desired output voltage of the switch mode power converter. The secondary side further includes a comparator to compare the adjusted compensation signal with the other one of the output sense signal and the reference signal. | 2016-05-19 |
20160141962 | CONVERTER - A voltage source converter includes a converter limb directly connected between first and second DC terminals. The converter limb includes an AC terminal, a first limb portion directly connected between the first DC terminal and the AC terminal, and a second limb portion directly connected between the second DC terminal and the AC terminal. Only one of the first and second limb portions includes a multilevel converter block, the other of the first and second limb portions includes a switching block, the switching block is switchable to selectively permit current flow in at least one direction in the corresponding limb portion and inhibit current flow in at least one direction in the corresponding limb portion, and at least one of the first and second limb portions is controllable to control the configuration of an AC voltage waveform at the AC terminal. | 2016-05-19 |
20160141963 | MODULAR MULTI-LEVEL DC-DC CONVERTER FOR HVDC APPLICATIONS - A DC-DC converter for connecting high-voltage DC networks has series-connected sub-converters. The high-voltage DC networks which can be connected to the DC-DC converter can have different transmission symmetries by way of power exchanging devices and additional power exchanging devices. Thus, a symmetrical monopole can be connected to an asymmetrical bipolar network using the invention. | 2016-05-19 |
20160141964 | System and Method for a Switched-Mode Power Supply - In accordance with an embodiment, a method of operating a power supply includes detecting a loss of at least one of an AC input voltage an AC input power at an input of the power supply, and increasing a switching frequency of the power supply upon detection of the loss of the AC input voltage or AC input power. | 2016-05-19 |
20160141965 | SWITCHING ELEMENT DRIVING POWER SUPPLY CIRCUIT - According to one embodiment, there is provided a switching element driving power supply circuit that converts a main circuit voltage into a driving voltage of power-converting switching elements. The circuit includes a plurality of insulating power supplies, and a plurality of switching element driving power supply units. The insulating power supplies have respective direct-current input circuit ends connected in series, respective input-side circuits and output-side circuits insulated from each other, and respective output circuit ends connected in parallel. The power supply units are connected in parallel with the output circuit ends, and supplying power to the gate driving circuits of the power conversion switching elements. | 2016-05-19 |
20160141966 | FLYBACK POWER CONVERTER, SECONDARY SIDE CONTROL CIRCUIT, AND CONTROL METHOD THEREOF - The present invention provides a flyback power converter, a secondary side control circuit, and a control method thereof. The flyback power converter converts an input voltage to an output voltage, and provides a load current to a load circuit. The flyback power converter includes: a transformer circuit, a power switch circuit, a switch current sense circuit, a primary side control circuit, and a secondary side control circuit. The secondary side control circuit adaptively adjusts a frequency of a zero of a compensator gain function and/or a mid-frequency gain of the compensator gain function according to the load current, such that a number of poles of a system open loop gain function of the flyback power converter is at most more than a number of zeroes of the system open loop gain function by one under a crossover frequency. | 2016-05-19 |
20160141967 | DC POWER SUPPLY SYSTEM - Embodiments of the present disclosure provide a direct current (DC) power supply system, comprising: a medium voltage AC switchgear, configured to distribute a medium voltage three-phase AC received from an external supply for a next stage; a phase-shift transformer serving as the next stage, coupled to the medium voltage AC switchgear, and configured to lower the medium voltage three-phase received and output four or more groups of low voltage three-phase AC; and an uncontrolled rectifying circuitry, comprising a plurality of uncontrolled rectifiers configured to receive the four or more groups of low voltage three-phase AC respectively and output a low voltage DC; wherein the four or more groups of low voltage three-phase AC have a predetermined phase difference between each other. | 2016-05-19 |
20160141968 | RECEIVE CIRCUIT FOR USE IN A POWER CONVERTER - A multi-die isolated integrated circuit controller includes a magnetically coupled communication link, a transmitter circuit coupled to the magnetically coupled communication link, and a receiver circuit coupled to the magnetically coupled communication link. The transmitter circuit is galvanically isolated from the receiver circuit. The transmitter circuit is coupled to send an input pulse to the receiver circuit by way of the magnetically coupled communication link. The receiver circuit is coupled to receive a receiver voltage by way of the magnetically coupled communication link to generate an output voltage in response to the receiver voltage and a threshold voltage. | 2016-05-19 |
20160141969 | ELECTRICAL ASSEMBLY - An electrical assembly includes a DC tap including first and second tap terminals that are respectively connectable to first and second DC power transmission media, the DC tap including a tap limb extending between the first and second tap terminals and having two limb portions separated by a third tap terminal connectable to an electrical load, each tap limb portion including a DC blocking capacitor. The assembly further includes a current return configured to electrically interconnect the or each AC terminal to the third tap terminal, a converter unit, and a controller configured to selectively control the converter unit to generate at least one first non-fundamental frequency alternating current component at the or each AC terminal and modify the or each first non-fundamental frequency alternating current component to enable the DC tap to draw power from the DC electrical network for supply to the electrical load. | 2016-05-19 |
20160141970 | POWER CONVERSION APPARATUS - A power conversion apparatus that switches, with a relay unit, from a disconnected state to a connected state between a connector and at least one of a commercial power system and a load while a switching device is in an off state. | 2016-05-19 |
20160141971 | VOLTAGE-TYPE DC POWER SUPPLY AND CONTROL METHOD OF VOLTAGE-TYPE DC POWER SUPPLY - In a voltage-type DC power supply provided with an inverter, current supply from the inverter to the load side is suppressed when arc is generated. DC output from the voltage-type DC power supply is suspended and resumed: upon suspending the DC output, the chopper is separated from the inverter, thereby suppressing excessive current to the load when arc is generated, allowing the arc to be extinguished at high speed, and holding the current passing through the chopper in the form of circulating current. Upon restarting the inverter, the circulating current being held is supplied to the load, thereby reducing a delay of supply of DC power to the load at the time of resuming the DC output from the voltage-type DC power supply. | 2016-05-19 |
20160141972 | POWER CONVERSION APPARATUS - A power conversion apparatus includes an inductor inserted between a secondary winding and a switching device, and an auxiliary switching device inserted between the secondary winding and the switching device in parallel to the inductor. The auxiliary switching device is in an off state in a power supply mode in which an output voltage and an output current of a connector have the same polarity. The auxiliary switching device is in an on state in a power regeneration mode in which the output voltage and the output current of the connector have different polarities. | 2016-05-19 |
20160141973 | PRINTED CIRCUIT BOARD POWER CELL - A printed circuit board power cell having a printed circuit board including a DC bus disposed within the printed circuit board. The printed circuit board power cell includes a plurality of capacitors connected to the DC bus, a three-phase AC input disposed on the printed circuit board and a single-phase AC output disposed on the printed circuit board. The printed circuit board power cell also includes a power module connected to the DC bus, the three-phase AC input and the single-phase AC output, wherein the power module receives three phase AC input power via the three-phase AC input and responsively outputs a single-phase AC power via the single-phase AC output. | 2016-05-19 |