Entries |
Document | Title | Date |
20090152947 | SINGLE CHIP SOLUTION FOR SOLAR-BASED SYSTEMS - In one embodiment there is provided a power management system for managing the power from solar panels and rechargeable batteries to power a system that includes DC loads and AC loads. The power management system includes a DC-DC converter in communication with the solar panels, a first switch positioned to control power from the DC-DC converter, to and from the rechargeable batteries, and to the DC loads and AC loads, and when in response to a power requirement from the system being equal to or less than a solar panel power provided by the solar panels, the first switch automatically set, by the power management system, to supply the system with only the solar panel power, and wherein any excess solar panel power not consumed by the system is at the same time automatically directed to recharge the rechargeable battery. | 06-18-2009 |
20090160251 | REDUCING CROSS-REGULATION INTERFERENCES BETWEEN VOLTAGE REGULATORS - Exemplary embodiment of a device is disclosed comprising a processor to provide instructions, a first voltage regulator in communication with the processor to receive provided instructions received from the processor and to dynamically modulate an output voltage based on the received instructions, and a plurality of second voltage regulators to receive the output voltage from the first regulator; the output voltage to reduce a cross-regulation interference between the second regulators due to a change in a load of at least one of the second voltage regulators. | 06-25-2009 |
20090160252 | METHOD OF CONTROLLING HYBRID DC POWER SUPPLY SYSTEM - A fuel cell vehicle has a motor driven by an inverter and hybrid DC power supplies including a battery and a fuel cell for supplying electric power to the motor. For preventing a fuse connected to the battery from being blown out, when a motor current Im increases, a first source current flowing from the battery is limited to a range for not blowing out the fuse, and a generated current is increased as much as the first source current is limited. | 06-25-2009 |
20090189446 | Power converter control system for electric powertrains - A power converter control system for electric powertrains is disclosed. The power converter control system may include at least one power producing device and at least one power consuming device. The power converter control system may further include at least one power electronics module configured to convert and condition a flow of electrical current between the at least one power producing device and the at least one power consuming device. The at least one power electronics module may further be configured to serialize a flow of a first set of signals between the at least one power electronics module and at least one controller. The first set of signals may correspond to at least one characteristic of the at least one power electronics module. | 07-30-2009 |
20090218885 | Slope control device capable of predicting uniform-current-sharing level and method thereof - The present invention discloses a slope control device capable of predicting uniform-current-sharing level and method thereof which can be applied in a redundancy or distributed power system for providing better uniform-current-sharing ability. The device comprises a high linearity transconductor circuit, a slope adjusting circuit and an incremental output voltage circuit. The invention applies either a transductor parameter or a feedback resistor to increase the droop gain and therefore the current deviation between two power supply modules is reduced. The invention further raises the output voltage step by step to ensure that the output voltage meet the requirement of allowable minimum output voltage according to increment of load current. | 09-03-2009 |
20090315396 | Power Supply System, Vehicle With The Same, Temperature Rise Control Method Of Power Storage Device And Computer-Readable Recording Medium Bearing Program For Executing Computer To Perform Temperature Rise Control Of Power Storage Device - A converter ECU controls a converter to transmit an electric power between a power storage device and a power storage unit through a main positive bus line and a main negative bus line during temperature rise control of the power storage device. Specifically, converter ECU sets a target voltage of the converter to a second voltage value lower than a first voltage value when a voltage value reaches the first voltage value, and sets the target voltage of the converter to the first voltage value when the voltage value reaches the second voltage value. | 12-24-2009 |
20100001585 | ELECTRIC POWER SYSTEM - In order to provide an electric power system in which a plurality of electric power suppliers and demanders are configured by being mutually connected via electric power supply and demand control devices, the electric power system being not only self-sustainable without depending on a known electric power system, but also capable of coexisting with the known electric power system. | 01-07-2010 |
20100026093 | BACKUP POWER SYSTEM - The present invention concerns a power backup processor unit | 02-04-2010 |
20100072816 | INTEGRATED CIRCUIT HAVING BOOSTED ARRAY VOLTAGE AND METHOD THEREFOR - An integrated circuit comprises a global power supply conductor, a plurality of circuit blocks, a plurality of voltage converters, and control logic. The global power supply conductor is configured to distribute a supply voltage. The circuit blocks are selectively coupled to the global power supply conductor. The plurality of voltage converters are coupled to the global power supply conductor. An output voltage of individual voltage converters of the plurality of voltage converters are selectively coupled to one or more of the plurality of circuit blocks. The control logic is configured to control the selective coupling of at least one of the supply voltage and the output voltage of individual voltage converters of the plurality of voltage converters to corresponding ones of the plurality of circuit blocks. Also, the control logic controls a magnitude of the output voltage of individual voltage converters of the plurality of voltage converters. | 03-25-2010 |
20100133904 | DC BUS VOLTAGE CONTROL FOR TWO STAGE SOLAR CONVERTER - Systems, methods, and apparatus for supplying AC power to an AC power grid from a DC power source, such as a photovoltaic (PV) array are disclosed. The systems and methods can include a converter coupled to the DC power source that provides DC power to a DC bus at a DC bus voltage. The systems and methods can further include an inverter coupled to the DC bus for converting the DC power of the DC bus to an output AC power. The systems and methods can further include a control system configured to regulate the DC bus voltage of the DC bus to operate at a variable DC bus voltage setpoint. The control system can adjust the DC bus voltage setpoint based at least in part on the DC bus voltage and the output AC current of the inverter. | 06-03-2010 |
20100187906 | System and Method for Optimizing Regulated Voltage Output Point - A device includes a plurality of voltage regulators, and a test module. Each of the voltage regulators are configured to provide a regulated voltage to one of a plurality of subsystems. The test module is in communication with the voltage regulators, and is configured to perform a subsystem component inventory for each of the subsystems at a start of a power-on self-test of the device, to determine a configuration of the device. The test module is also configured to capture first voltage data for the subsystems during an idle operation, to capture second voltage data for the subsystems during a stressed operation, and to set a voltage set point for each of the regulated voltages provided by one of the voltage regulators based on the subsystem component inventory, a power requirement table, or the first and second voltage data. | 07-29-2010 |
20100194195 | Radio Frequency Power Control System - A radio frequency (RF) system includes a control module that allocates M predetermined frequency intervals. The system also includes N RF sources that each applies first RF power to electrodes within a plasma chamber at frequencies within an assigned respective one of the M predetermined frequency intervals. The N RF sources also each respond to second RF power including feedback from the plasma chamber. The N RF sources each include a processing module that adjusts the first RF power based on the second RF power and the respective one of the M predetermined frequency intervals. M and N are integers greater than 1. | 08-05-2010 |
20100231040 | MOBILE AUXILLIARY POWER SYSTEM FOR ELECTRICAL DISTRIBUTION AND TRANSMISSION SYSTEMS - A system, apparatus and method for increasing the reliability of an electric power transmission or distribution system by injecting controlled electric power into the transmission or distribution system using mobile electric power sources. The mobile electric power source may be a locomotive engine. The mobile electric power source may be controlled using an IED. The mobile electric power source may be controlled to provide active power or reactive power or act as a governor or exciter to the electric power transmission or distribution system. | 09-16-2010 |
20100237696 | POWER MANAGEMENT ARRANGEMENT FOR A MOBILE DEVICE - A power management arrangement for a mobile device comprising a digital circuit block and an analog circuit block, the power management arrangement being arranged to supply a first voltage to the analog circuit and a second voltage to the digital circuit, the power management arrangement comprising: an input unit adapted to receive input voltages from a plurality of power sources; a first voltage regulator coupled to the input unit and for supplying the first voltage; a second voltage regulator for supplying the second voltage and arranged to be selectively coupled to one of the first voltage regulator and input unit; and control logic adapted to select which of the received input voltages from the plurality of power sources provides power to the first and second voltage regulators, and to determine the magnitude of the first and second voltages supplied by the first and second voltage regulators. | 09-23-2010 |
20100264731 | POWER CONVERSION, CONTROL, AND DISTRIBUTION SYSTEM - A power conversion, control, and distribution system includes multiple bulk power regulator (BPR) subassemblies, a bulk power distribution (BPD) subassembly, and a bulk power controller and hub (BPCH) subassembly. The BPR subassemblies are each configured to provide regulated DC power from both AC input power and DC input power. The BPD subassembly is configured to distribute the regulated DC power. The BPCH subassembly is coupled to the multiple BPR subassemblies and the BPD subassembly. The BPCH subassembly is configured to monitor and control the BPR assemblies and the BPD assembly. | 10-21-2010 |
20100264732 | PHOTOVOLTAIC SYSTEM WITH BATTERY AND RESERVE POWER PLANT - A method for operating a photovoltaic system with a plurality of photovoltaic modules and with a DC motor connected to the photovoltaic modules is proposed. The motor shaft of the DC motor is coupled to a generator shaft of a three-phase generator, wherein the three-phase generator can be connected to a power grid. The motor shaft of a second DC motor can also be connected with the generator shaft, and the electric energy produced by the photovoltaic modules is initially only used for driving a single DC motor and is during the subsequent operation divided between those DC motors. A battery is provided which can be connected with the second DC motor instead of the PV system by changing the excitation of the second DC motor such that it's motor voltage corresponds to the open-circuit voltage of the battery. | 10-21-2010 |
20100308652 | OUTPUT POWER PORT MANAGEMENT CONTROL - A power converter that gives priority to the high power output and only provides power to the low power output when the total potential output power is equal to or less than the rated power of the power converter. A specific power threshold is established, and when the high power output remains below this threshold for a period of time the low power output is allowed to turn on. If the high power output subsequently exceeds this threshold for a period of time, then an electronic circuit powers down the low power output in order to keep the total output power below the rated power of the power converter. Subsequently, the high power output is checked against the threshold to determine if the low power output can be turned on again. If the high power output is below the threshold, then the low power output is turned on. | 12-09-2010 |
20100327655 | POWER SUPPLY APPARATUS - A power supply apparatus ( | 12-30-2010 |
20110084551 | PHOTOVOLTAIC SYSTEM WITH MANAGED OUTPUT - Photovoltaic systems with managed output and methods for managing variability of output from photovoltaic systems are described. A system includes a photovoltaic module configured to receive and convert solar energy to DC power. The system also includes a sensor configured to detect a future change in solar energy to be received by the photovoltaic module. The system further includes a power conditioning unit coupled with the photovoltaic module and the sensor. | 04-14-2011 |
20110095605 | POWER SUPPLY EQUIPMENT TO SIMULTANEOUSLY POWER MULTIPLE ELECTRONIC DEVICE - Power supply equipment is provided with two power ports for simultaneously powering two electronic devices. The equipment includes low power assemblies and high power assemblies, each of which is detachably mateable to either one of the power ports. To simultaneously power two low power devices, low power assemblies are respectively mated to each of the power ports. To simultaneously power one low power and one high power device, a low power assembly is mated to one of the power ports and a high power assembly is mated to the other power port. The low power assemblies transfer a low DC voltage, but not a high DC voltage, to low power devices. The high power assemblies transfer a high DC voltage, but not a low DC voltage, to high power devices. If a high power assembly is mated to each of the power ports, power flow is interrupted without putting supply in an overvoltage or overcurrent condition. | 04-28-2011 |
20110140519 | POWER SUPPLY WITH REDUCED POWER CONSUMPTION AND COMPUTER HAVING SUCH POWER SUPPLY - A power supply is used in a computer. The power supply includes a main power circuit, an auxiliary power circuit and a switching circuit. The main power circuit has a first main output terminal for outputting a first operating DC voltage. The auxiliary power circuit has an auxiliary output terminal connected to a standby circuit of the computer for outputting a standby DC voltage. The switching circuit is interconnected between the first main output terminal and the auxiliary output terminal. When the computer is in a power-off state, the switching circuit is shut off, and the standby circuit is powered by the standby DC voltage. When the computer is in a power-on state, the switching circuit is conducted, and the first operating DC voltage is transmitted to the standby circuit through the first main output terminal and the switching circuit so as to power the standby circuit. | 06-16-2011 |
20110163598 | Method and Apparatus for Controlling a Supply Current for a Circuit or a Plurality of Circuit Blocks - A method for controlling a supply current for a circuit includes setting a target value of a quantity related to a supply current, said target value being different from a presently established value of the quantity, and adjusting the quantity until a value of the quantity corresponds to the target value. A method for controlling a supply current to a plurality of circuit blocks includes providing a plurality of partial supply currents to the plurality of circuit blocks, setting at least one target value of a quantity related to at least one of the partial supply currents, checking whether a predetermined condition which depends on the at least one set target value is achieved, and if the predetermined condition is not achieved, changing at least one among the at least one target values and the at least one partial supply currents to achieve the predetermined condition. | 07-07-2011 |
20110175445 | FUEL CELL SYSTEM AND POWER MANAGEMENT METHOD THEREOF - A fuel cell system including a fuel cell power-generating part, a state detector, a charging circuit, a secondary cell, a control unit, a first internal load power supply circuit, a second internal load power supply circuit, a path selection circuit, an internal load, and an external load power supply circuit is provided. The first internal load power supply circuit and the charging circuit are coupled to the fuel cell power-generating part. The secondary cell is coupled between the charging circuit and the second internal load power supply circuit. The path selection circuit determines whether the first internal load power supply circuit or the second internal load power supply circuit provides power to the internal load according to a first electric power of the fuel cell power-generating part that is detected by the state detector, so as to reduce energy consumption. | 07-21-2011 |
20110193410 | CONTROL CONCEPT FOR LIMIT-VALUE MANAGEMENT FOR DC/DC CONVERTER IN AN ENERGY SYSTEM - An apparatus for controlling an energy system having at least one energy unit and at least one DC/DC converter, wherein the DC/DC converter is coupled to at least one electrical component, and a power output to the electrical component can be controlled by the DC/DC converter, with the maximum power which can be output to the electrical component being determined by a power limit value of the DC/DC converter. | 08-11-2011 |
20110227412 | DC VOLTAGE DISTRIBUTION SYSTEM - A DC voltage distribution system includes at least one load connected in parallel to a first DC power supply via a first distance of wire, and connected in parallel to a second DC power supply via a second distance of wire. The first and second DC power supplies are configured to enter a load sharing mode in which one of the first or second DC power supplies selectively increases its voltage to prevent the other of the first or second DC power supplies from exceeding its power output threshold. The DC power supplies are also configured to enter a load balancing mode in which the DC power supplies set their output voltages to the same value such that a flow of current on the longer of the wire distances is reduced and a flow of current on the shorter of the wire distances is increased. | 09-22-2011 |
20110266867 | POWER-SHARING NETWORK COMMUNICATIONS DEVICE - A set of network communications devices shares available power among themselves to meet overall system power loading. An individual device is configured to include a local power supply delivering power to a local power bus at a local supply voltage varied in response to a voltage control signal. A protection component is connected between the local power bus and an external power cable used to connect the device to another device for sharing power. The protection component provides an interruptible low-impedance DC path for carrying current based on direction and magnitude of a voltage difference between the local power bus and the external power cable. Control circuitry is used to: (a) drive a current-sharing bus connected among the devices to influence a value of a system current-sharing signal indicating a level of system power loading among the devices; (b) generate a difference signal indicating a difference between local power loading of the local power supply and the system power loading reflected by the system current-sharing signal; and (c) generate the voltage control signal based on the difference signal to achieve a predetermined sharing of the system power loading by the local power supply. | 11-03-2011 |
20110266868 | POWER LIMITING APPARATUS FOR ELECTRIC SYSTEM, POWER LIMITING METHOD FOR ELECTRIC SYSTEM AND ELECTRIC SYSTEM - In a first condition, the sum of discharging power from a first battery stack and discharging power from a second battery stack is limited in accordance with the sum of a limit value of discharging power from the first battery stack and a limit value of discharging power from the second battery stack. In a second condition, electric power of the battery stacks is limited in accordance with either the limit value of discharging power from the first battery stack or the limit value of discharging power from the second battery stack. | 11-03-2011 |
20110278921 | Adaptive Power Bus - The invention converts the electrical circuitry in a premises for use as an adaptive power bus to which one or more power generating devices may be connected using a standard electrical outlet, without the need for a separate dedicated circuit or any additional electrical wiring and continuing to operate as a traditional power bus, while preventing electrical circuitry from being overloaded. | 11-17-2011 |
20110309677 | Hybrid Power Plant for Improved Efficiency and Dynamic Performance - A hybrid power plant is characterized by a substantially constant load on generators regardless of momentary swings in power load. Short changes in power load are accommodated by DC components such as capacitors, batteries, resistors, or a combination thereof. Resistors are used to consume power when loads in the power plant are generating excess power. Capacitors are used to store and deliver power when the loads in the power plant demand additional power. Reducing rapid changes in power load as seen by the generators allows the generators to operate at higher efficiencies and with reduced emissions. Additionally, power plants employing combinations of generators, loads, and energy storage devices have increased dynamic performance. | 12-22-2011 |
20110316337 | POWER GENERATION DATA CENTER - A modular data center is collocated with a primary electric generating station and receives its operating power from connections upstream of any step-up transformer for transmission lines or grids. The data center itself comprises a building shell with a modular common power and cooling infrastructure to support data center containers brought in later by unrelated modular data center unit tenants. The heat and loads the data center containers each produce are isolated from the common areas and kept within the respective data center containers. The costs, maintenance, environmental, and security issues are therefore independent of the other modular data center unit tenants, and more easily managed, projected, and financed. | 12-29-2011 |
20120025608 | MULTIPLE POWER SOURCES FOR A SWITCHING POWER CONVERTER CONTROLLER - An electronic system includes two power supplies to supply an operating voltage to a switching power converter. The first power supply, referred to as a start-up power supply, includes a first source follower transistor to conduct a start-up current for a controller and supply an operating voltage for the controller. The controller controls operation of the switching power converter. A second power supply, referred to as an auxiliary power supply, includes a second source follower transistor to conduct a steady-state operational current for the controller and supply an operating voltage for the controller. In at least one embodiment, once the second power supply begins supplying the operating voltage to the controller, the start-up power supply automatically ceases supplying the start-up current to the controller. | 02-02-2012 |
20120056479 | LOAD SHARING APPARATUS - Load sharing apparatus for load sharing between a plurality of power supplies ( | 03-08-2012 |
20120080942 | SMART MICROGRID - Described herein are embodiments of microgrid systems which may be used as stand-alone systems or may be connected to a larger, integrate power supply system. In some embodiments, a system comprises smart microgrid system comprising at least one electrical power bus connectable to at least one input power source by one or more switchable connections, a communication network coupled to the smart microgrid system, and a controller coupled to the communication network. In some embodiments the controller comprises logic to monitor power outputs from the at least one input power source monitor one or more power loads coupled to the at least one and selectively connect one or more of the input power sources to the at least one electrical power bus. | 04-05-2012 |
20120080943 | Photovoltaic Power Systems - A power system includes a plurality of DC/DC converters and a DC/AC inverter. The plurality of DC/DC converters having outputs electrically connected in parallel for supplying a DC voltage bus to an input of the DC/AC inverter. The plurality of DC/DC converters each include a maximum power point tracker (MPPT). Various DC/DC converters and DC/AC inverters suitable for use in this system and others are also disclosed. | 04-05-2012 |
20120091799 | PORTABLE COMPUTING DEVICE WITH WIRELESS POWER DISTRIBUTION - A core module for a portable computing device includes a wireless power receiver module, a battery power module, a power supply module, a processing module, and an RF link interface. The wireless power receiver module, when operable, receives a wireless power transmit signal and converts it into a supply voltage. The battery power module, when operable, outputs a battery voltage. The power supply module, when operable, converts the supply voltage or the battery voltage into one or more power supply voltages. The processing module is operable to select one of the battery voltage, the supply voltage, and one of the one or more power supply voltages to produce a selected voltage. The RF link interface outputs the selected voltage on to an RF link of the portable computing device for providing power to one or more multi mode RF units within the portable computing device. | 04-19-2012 |
20120091800 | System and Method for Optimizing Solar Power Conversion - A solar power system is provided for maximizing solar power conversion. The solar power system includes n power units connected in series and n-1 DC-DC converting units, and each of the n-1 DC-DC converting units is coupled to at least one of n solar power units. Each of the n-1 DC-DC converting units is configured to control the correspondingly connected solar power units to operate at a target current generation. The solar power system further includes a controlling unit coupled to the n-1 DC-DC converting units. The controlling unit monitors and compares the n currents generated by the n solar power units. Based on the current comparison, the controlling unit determines a series current and controls the n solar power units so that each of the generated photovoltaic currents is substantially equal to the determined series current. | 04-19-2012 |
20120091801 | POWER SUPPLY APPARATUS - The power supply apparatus includes a first power device, a second power unit, and controlling means. Each of the first power device and the second power unit supplies DC power to a DC supply line. The first power device makes constant voltage control. The second power unit includes a second power device configured to make inclination control of monotonically decreasing its output voltage with an increase of its output current, and of monotonically increasing its output voltage with a decrease of its output current. Upon acknowledging that a measurement (a magnitude of a current flowing through the DC supply line) exceeds an optimal current magnitude (a magnitude of a current supplied to the DC supply line from the first power device operating at maximum conversion efficiency), the controlling means outputs an instruction such that a magnitude of a current supplied to the DC supply line from the second power unit is identical to a difference between the measurement and the optimal current magnitude. The second power device modifies a condition of the inclination control, thereby adjusting its output current to a current corresponding to the instruction without varying its output voltage. | 04-19-2012 |
20120146413 | TERMINAL DEVICE AND CONSUMPTION CURRENT CONTROL METHOD - Provided are a terminal device and a consumption current control method which enable reliable charging with a current obtained by power generation. In a terminal device ( | 06-14-2012 |
20120205976 | REDUNDANT POWER SYSTEM REGULATING OPERATION ACCORDING TO LOADS - A redundant power system regulating operation according to loads includes a power back panel and a plurality of power supplies electrically connected to a plurality of input ports on the power back panel. The power back panel has a plurality of output ports electrically connected to at least one load. Each power supply has an ON/OFF control terminal to receive an ON/OFF signal to determine ON or OFF thereof. The power back panel further has a power source management unit to detect the number of the load being activated. The power source management unit includes a plurality of ON/OFF signal terminals electrically connected to the ON/OFF control terminals. The power source management unit determines the number of the ON/OFF signal terminals to output the ON/OFF signal according to the number of the activated load. | 08-16-2012 |
20120223578 | METHOD AND DEVICE FOR SUPPLYING POWER - The control of users and generators of electrical energy behind the legal interface with the energy provider. In particular, the invention relates to the generation of renewable electrical energy, such as wind energy, solar energy, energy from biogas plants, geothermal energy etc., and to the electricity thus generated. The proposed technical energy management avoids feeding energy into the central grid without precluding the use of energy from the central power grid if necessary. | 09-06-2012 |
20120228934 | Multi-Current Source and Method for Regulating Current - A multi-current-source comprises a voltage converter (VC), a first current source (CS | 09-13-2012 |
20120228935 | ELECTRIC POWER GENERATION SYSTEM, METHOD OF CONTROLLING A BATTERY AND COMPUTER-READABLE RECORDING MEDIUM - This electric power generation system comprises a power generator configured to generate electric power using renewable energy, a battery configured to store electric power generated by the power generator, a detector configured to acquire a first power amount data for every first time interval and a second power amount data for every second time interval which is shorter than the first time interval, and a controller configured to determine whether to perform a charge and discharge control of the battery based on the second power amount data, to compute a target output value for the electric power to be supplied to the electric power transmission system based on the first power amount data when the charge and discharge control is performed, to charge or discharge the line with electric power from the battery so that the target output value is supplied to the electric power transmission system. | 09-13-2012 |
20120261986 | RESIDENTIAL ELECTRIC POWER STORAGE SYSTEM - A residential electric power storage system includes a lead-in wire, a distribution line, an electric power storage device, a voltage sensor sensing a voltage of the lead-in wire, a current sensor sensing a current charged to the electric power storage device through the distribution line and an electric power adjustment unit adjusting electric power charged to the electric power storage device through the distribution line; and a controller controlling the electric power adjustment unit. If the lead-in wire has voltage smaller than a threshold voltage, the controller controls the electric power adjustment unit to match the current that is charged to the electric power storage device to a command value to provide current control, whereas if the lead-in wire has voltage larger than the threshold voltage, the controller controls the electric power adjustment unit to match the voltage of the lead-in wire to a command value to provide voltage control. | 10-18-2012 |
20120274133 | 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. | 11-01-2012 |
20120313432 | POWER DISTRIBUTION SYSTEM CONNECTING APPARATUS - A power distribution system connecting apparatus comprises a power generation amount calculating portion for calculating a theoretical amount of power generation of the power source apparatus from an environment measurement value, a power measuring portion for measuring an amount of power generation of the power source apparatus, a comparator portion for comparing the calculation value of the power generation amount calculating portion and the measurement value of the power measuring portion, a memory portion for memorizing a result of comparison in the comparing portion, and a display portion for displaying a condition of the power source apparatus thereon; thereby providing the power distribution system connecting apparatus for enabling to deal with suppression of a reverse power flow, while preventing ill-influences due to troubles from being transferred to a system side. | 12-13-2012 |
20120326503 | METHOD AND APPARATUS FOR MANAGING TRANSMISSION OF POWER IN A POWER TRANSMISSION NETWORK - A method of managing transmission of power in a power transmission network, said power transmission network comprises: at least one power producer, a utility grid comprising power transmissions lines and substations, a plurality of power consumers consuming power produced by said at least one power producer, said method comprising the steps of: establishing a plurality of individual power consumer characteristics providing information of at least a part of said plurality of power consumers, by means of a central control arrangement matching said plurality of individual power consumer characteristics to establish one or more consumer groups of power consumers based on said matching, said established one or more consumer groups having a consumer group characteristic reflecting the expected consumer characteristic of said one or more consumer groups, and by means of said central control arrangement over time monitoring the power consumed by said one or more consumer groups to validate whether the power consumed applies with said consumer group characteristic. | 12-27-2012 |
20120326504 | B-Side Feed for Critical Power Applications - A method of providing power to a load, such as an IT load, includes generating an output power using at least one power module comprising at least one fuel cell segment, providing a first portion of the output power through a grid to an A-side power feed of the load, and providing a second portion of the output power to a B-side power feed of the load. | 12-27-2012 |
20130009468 | ELECTRONIC APPARATUS, AND CHARGING CONTROL METHOD - An electronic apparatus that selectively uses as a power source one of a battery and an external power source to be powered therefrom, the electronic apparatus includes: a charging unit that charges the battery through the external power source; a power status determining unit that determines whether the external power source can drive the electronic apparatus; a history storage unit that stores a history of determination results of the power status determining unit; and a charging control unit that sets, to a maximum capacity of the battery, an upper limit of battery remaining power if the history indicates that the external power source can not drive for at least part of a specific past period, or sets the upper limit to a given value lower than the maximum capacity if the history indicates that the external power source can drive throughout the specific past period. | 01-10-2013 |
20130043725 | Method and Apparatus for Managing Transmission of Power in a Power Transmission Network - The invention relates to a method of managing transmission of power in a power transmission network, said method comprising the steps of: establishing utility grid characteristic comprising at least one reference value based on at least one parameter reflecting the state of said transformer, continuously monitoring said at least one parameter reflecting the state of said transformer, and continuously controlling power consumption and/or power production at the lower voltage side of said transformer based on said monitoring of said at least one parameter reflecting the state of said transformer, said controlling of said power consumption and/or said power production comprising regulating said power consumption of one or more of said plurality of power consumers and/or regulating said power production of one or more decentralized power producers located at said lower voltage side of said transformer, so as to comply with said established reference value. | 02-21-2013 |
20130049464 | CONTROL APPARATUS AND CONTROL METHOD - The present invention relates to a control apparatus and a control method which are capable of reliably preventing electric power not required to be returned to an electric power system from flowing out to the electric power system. | 02-28-2013 |
20130106182 | APPARATUS FOR SUPPLYING MULTI-OUTPUT AND DISPLAY APPARATUS USING THE SAME | 05-02-2013 |
20130119761 | HYBRID POWER PLANT FOR IMPROVED EFFICIENCY AND DYNAMIC PERFORMANCE - A hybrid power plant is characterized by a substantially constant load on generators regardless of momentary swings in power load. Short changes in power load are accommodated by DC components such as capacitors, batteries, resistors, or a combination thereof. Resistors are used to consume power when loads in the power plant are generating excess power. Capacitors are used to store and deliver power when the loads in the power plant demand additional power. Reducing rapid changes in power load as seen by the generators allows the generators to operate at higher efficiencies and with reduced emissions. Additionally, power plants employing combinations of generators, loads, and energy storage devices have increased dynamic performance. | 05-16-2013 |
20130134779 | VOLTAGE CONTROL APPARATUS, VOLTAGE CONTROL METHOD, AND POWER REGULATING APPARATUS - A voltage control apparatus includes: an obtaining unit which obtains voltage values at voltage measuring points; a detecting unit which detects a system impedance value; a control quantity calculating unit which calculates, as control quantity, a reactive power value to be output by a power regulating apparatus to prevent at least a voltage value deviating from a predetermined voltage range from deviating from a target voltage value; and a notifying unit which notifies the power regulating apparatus of the control quantity. The control quantity calculating unit calculates the control quantity such that the voltage value at a specific voltage measuring point is substantially equal to the target voltage value, and when all of the voltage values deviating from the target voltage value deviate from the target voltage value in a same direction, only positive or negative reactive power is output by power regulating apparatuses. | 05-30-2013 |
20130140890 | Circuit, method and system for overload protection - An overload protection circuit for supplying electric power has advantageous applications especially in supplying power to capacitive loads. In prior art circuits, the charging current is lead to the capacitive load through a linearly operating transistor or through a power resistor. Therefore, prior art circuits often involve a risk of exceeding safe operating area of a power transistor, or circuits with a large number of components are needed. The present overload protection circuit has an inductor (L) coupled in series with a switching element (Q). Load current is measured ( | 06-06-2013 |
20130154366 | POWERING OF DEVICES - Apparatus for powering devices, comprising a power supply having inputs from two or more different power sources; means for combining the power sources and providing a power supply to one or more end devices; means for comparing the two input power sources and generating an index representative of the relative proportions of each at any time and means for using the index to determine how the power is utilised. | 06-20-2013 |
20130154367 | POWERING OF DEVICES - An apparatus and method for a powering a network of devices, the apparatus comprising a power supply, means for inputting a parameter related to desired performance or power usage of the network, means for determining network load, means for generating an error signal using the parameter related to desired performance or power usage of the network, the network load, and measured power of the power supply, and means for using the error signal to determining how the power is utilised. | 06-20-2013 |
20130162037 | METHOD, DEVICE, AND SYSTEM FOR CONTROLLING CHARGING AND DISCHARGING OF ENERGY STORAGE APPARATUS - A charging/discharging control system of an energy storage apparatus includes a weather information collection module, a load information collection module, a load grouping module which classifies a plurality of loads into at least one load group based on a load correlation according to a predetermined condition, and an energy storage apparatus charging/discharging control module which determines a battery charging or discharging level per time slot of each of a plurality of energy storage apparatuses by using at least one of an estimated load amount of each load per time slot, a battery charging amount of the energy storage apparatus per time slot via solar generation, and a battery charging amount per time slot via system power, wherein a particular load corresponding to a lowest rate for a unit load is determined by using battery charging/discharging information and power rate information per time slot. | 06-27-2013 |
20130175861 | CONTROL OPTION COMBINING A POWER-DOWN SIGNAL WITH AN ANALOG INPUT SIGNAL - Embodiments of the present invention provide a system and method for controlling a power down functionality for a component while limiting the number of inputs to the component. Embodiments may include a single input that may serve the dual purpose of providing both an input analog signal and a power down control. According to an embodiment, the power down threshold may be set as the defined minimum operating input voltage such that any input signals below the operating range may be interpreted as a power down command. Alternate signal ranges may be defined as indicating a power down command. According to an embodiment, an input signal having an improperly high voltage may additionally be interpreted as a power down or other predefined command such that any input signals outside of the predefined operating range may be interpreted as a power down command. | 07-11-2013 |
20130175862 | LOAD-MATCHED PHOTO-VOLTAIC POWER UNIT - Load-matched photo-voltaic power units incorporating a plurality of photo-voltaic cells for delivery of electrical power are described. A photo-voltaic system incorporates temperature and solar irradiance sensors, whose outputs are used to estimate the photo-voltaic system maximum power output voltage. Appropriate numbers of cells are suitably interconnected to assemble at least one photo-voltaic power unit intended to both satisfy the electrical requirements of a load and enable operation of the unit at an efficiency of 90% or greater of its maximum efficiency. In an embodiment, voltage-to-voltage convertors may be used to better match the photo-voltaic power unit capabilities to the load requirements. In another embodiment an alert is issued if the photo-voltaic power unit delivers a voltage which differs by a predetermined amount from an estimated maximum power voltage. | 07-11-2013 |
20130181519 | POWER CONVERSION SYSTEM FOR ENERGY STORAGE SYSTEM AND CONTROLLING METHOD OF THE SAME - A power conversion system for an energy storage system includes: at least two conversion units respectively configured to be coupled to one or more power sources or loads; and at least one output controller configured to generate at least one reference voltage to control at least one of the at least two conversion units, wherein the at least one of the at least two conversion units includes: a plurality of conversion subunits having inputs coupled to at least one of the power sources and having outputs that are coupled to one another; and at least one conversion subunit controller configured to adjust output voltages of the plurality of conversion subunits to be substantially the same corresponding to the at least one reference voltage, wherein the at least one reference voltage corresponds to the output voltages and output currents of the plurality of conversion subunits. | 07-18-2013 |
20130187455 | METHOD OF BALANCING AN ELECTRICAL NETWORK COMPRISING SEVERAL GENERATORS, DISTRIBUTORS AND INSTALLATIONS - A method of balancing an electrical distribution system including several generators implements a network divided into several subnetworks powered by ring-like swappers. The balancing of the network between the various generators available is obtained through switchings of subnetworks selected as a function of the order of switching of the swappers. | 07-25-2013 |
20130200702 | Method for Controlling PV Installations in an Electrical Grid - In a public electric grid ( | 08-08-2013 |
20130264870 | INTEGRATED CIRCUIT ENERGY HARVESTER - A system for energy harvesting comprises a first interface for receiving energy from at least one renewable energy source (ERS); a second interface coupled to at least one load circuit; a third interface coupled to an least one primary energy storage (PES); a DC-to-DC converter connected to one of a single inductor and a single capacitor; a switching circuitry connected to the first, second, and third interfaces and the DC-to-DC converter; a control unit connected to the DC-to-DC converter and the switching circuitry, the control unit controls the system to operate in an operation mode including any one of: provide energy from the ERS to the at least one load via the DC-to-DC converter, charge the least one PES from the at least one ERS via the DC-to-DC converter, and provide energy from the at least one PES to the at least one load circuit via the DC-to-DC converter. | 10-10-2013 |
20130293012 | SYSTEM AND METHOD FOR CONVERTING ELECTRIC POWER, AND APPARATUS AND METHOD FOR CONTROLLING THE SYSTEM - Disclosed is technology regarding a system and a method for power conversion, particularly technology for converting power, which is supplied from a plurality of power supply sources, using a plurality of power conversion modules. A plurality of power conversion modules, which can process all of various types of supplied power, are used to convert power according to the type of supplied power. An intermediate connection unit, which can selectively connect the power supply sources and the power conversion modules, is used so that, when one of the power conversion modules has a problem, another power conversion module is used instead to guarantee stable power supply. This construction makes the power processing path flexible and enhances system stability because, even if one of the power conversion modules malfunctions, power conversion can continue through another path. | 11-07-2013 |
20140001849 | UNIVERSAL CHARGER | 01-02-2014 |
20140015318 | POWER CONVERTER MODULE, PHOTOVOLTAIC SYSTEM HAVING A POWER CONVERTER MODULE, AND METHOD FOR OPERATING A PHOTOVOLTAIC SYSTEM - A power converter module includes: a DC input terminal configured to receive an input voltage from a DC source; an intermediate circuit coupled directly to the DC input terminal; a DC output terminal configured to provide an output direct voltage; an AC output terminal configured to provide an output alternating voltage; a DC converter coupled between the intermediate circuit and the DC output terminal in order to receive an input voltage from the intermediate circuit; an inverter coupled between the intermediate circuit and the AC output terminal in order to draw an input voltage from the intermediate circuit; and a regulating device coupled to the DC converter and to the inverter, the regulating device being configured to regulate the input voltage of the inverter and of the DC converter to a maximum power drain from the DC source. | 01-16-2014 |
20140049105 | Solar Power Distribution System - The present invention is directed toward a solar power system including an array of photovoltaic panels. The photovoltaic array may include a first module electrically coupled to an AC load and a second module electrically coupled to a DC load. The array may be reconfigured such that individual panels may be transferred from the first module to the second module, and vice versa. The arrays may generate power that is selectively distributed to direct current and alternating current power loads. The system further includes a power management device effective to maximize the power generation of the second module. | 02-20-2014 |
20140062190 | 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. | 03-06-2014 |
20140077595 | BATTERY ENERGY STORAGE SYSTEM - A battery energy storage system including: a power control circuit group provided by electrically connecting a plurality of power control circuits in series with each other on a load connection terminal side, the plurality of power control circuits each having load connection terminals electrically connected with a load and having power supply connection terminals electrically connected with a power supply, and controlling power supplied to the load side connection terminals or the power supply side connection terminals and outputting the power from the power supply side connection terminals or the load side connection terminals; an electric energy storage device including a plurality of capacitors, a control device for controlling operation of the plurality of power control circuits; and a power usage rate changing section provided so as to correspond to each of the plurality of power control circuits. | 03-20-2014 |
20140097682 | CENTRALIZED DC POWER SUPPLY CONTROL SYSTEM AND METHOD OF ECONOMICALLY CONTROLLING POWER CONSUMPTION - An economical centralized DC power consumption control system is used to separate electric power into an AC circuit for high-power-consumption electric appliances such as TV set, refrigerator, washing machine, and air conditioner and a DC circuit for low-power-consumption electric appliances such as lamp, electric fan, notebook computer, tablet computer, mobile phone, and digital camera. The DC circuit is equipped with multiple high-powered power supplies, each of which transforms commercial power to DC power, provides electricity to various low-power-consumption electric appliances, and directly links the electric appliances for supply of electric energy without individual rectifiers/transformers. | 04-10-2014 |
20140103715 | WIRE HARNESS STRUCTURE AND ELECTRONIC DEVICE CONTROL SYSTEM - Provide is a wire harness which does not increase in size with increase in number of electronic devices controlled by an electronic control unit and can standardize a relay connector, and an electronic device control system including such wire harness. A wire harness structure ( | 04-17-2014 |
20140159485 | SYSTEMS AND METHODS FOR BATTERY ASSEMBLIES - A system including a plurality of battery assemblies. Each battery assembly includes power storage and control electronics, and a communication device. Each battery assembly acts as a local hub for local direct current (DC) power demand monitoring and a local DC power supply for DC loads. Each battery assembly also charges the power storage. The plurality of battery assemblies are configured to be managed as a collective resource in aggregate via the communication device. | 06-12-2014 |
20140175878 | POWER-CONSUMPTION REDUCING SYSTEM AND METHOD - A processor used in a multi-node system includes a detecting module, to obtain voltage and current information of all nodes in the multi-node system periodically. A calculating module calculates energy being consumed by each node of all the nodes according to the obtained voltage and current information. A determining module determines a node which needs to be reduced according to the energy calculation. A control module turns on a switch which is connected with the node whose energy needs to be reduced, thereby powering off the node whose energy needs to be reduced. | 06-26-2014 |
20140183949 | DIRECT-CURRENT POWER SUPPLY UTILIZING SYSTEM AND DIRECT-CURRENT MICROGRID NETWORK UTILIZING SAME - A direct-current power supply utilizing system includes: at least one direct-current power supply that produces a direct-current output; an alternating-current commercial power supply; a direct-current converter that converts the alternating-current commercial power supply into direct-current power; and a direct-current load device that receives supply of direct-current power from both at least one direct-current power supply and the commercial power supply which has been converted into direct-current power, where a back-flow prevention diode is individually connected between the at least one direct-current power supply and the direct-current load device and between the direct-current converter and the direct-current load device, and a power supply priority supply device that preferentially supplies power to the direct-current load device from the side of the direct-current power supply is connected. | 07-03-2014 |
20140246908 | METHOD OF OPERATING CONTROLLER FOR A POWER CONVERTER, AND A CORRESPONDING CONTROLLER - A method of operating a controller ( | 09-04-2014 |
20140252853 | Multiple Supply DVFs - The invention concerns a system for delivering a voltage to at least one power domain ( | 09-11-2014 |
20140265567 | POWER CLIPPING METHOD AND SYSTEM - An improved method for controlling an electrical distribution system of the type having a plurality of electrical sources, a load, a DC link coupling the electrical sources to the load and a control means for controlling the output of at least one of the plurality of electrical sources so that the plurality of sources deliver to the load an amount of power appropriate to the load. The improvement comprises an adaptation in respect of the load that provides for the DC link voltage to vary; and an adaptation of the control means resulting in the output being controlled as a direct function of the DC link voltage. | 09-18-2014 |
20140265568 | COMISSIONING LOAD CONTROL SYSTEMS - A load control system may include load control devices for controlling power provided to an electrical load. The load control devices may include a control-source device and a control-target device. The control-target device may control the power provided to the electrical load based on digital messages received from the control-source device. A user device may discover load control devices when the load control devices are within an established range associated with the user device. The user device and the load control devices may communicate via a wireless communications module. The established range may be adjusted based on the configurable transmit power of the user device or the wireless communications module associated with the user device. A discovered control-target device may be associated with a control-source device to enable the control-target device to control the power provided to the electrical load based on digital messages received from the control-source device. | 09-18-2014 |
20140265569 | TRANSIENT ASSIST USING STARTING BATTERY IN VARIABLE SPEED GENSET - A variable speed genset system is provided. The variable speed genset system may include a primary power source, an electric machine, an energy storage device for starting the primary power source and a boost converter. The electric machine may be mechanically coupled to the primary power source and electrically coupled to one or more loads through a common bus. The boost converter may be in electrical communication with each of at least the common bus and the energy storage device, and configured to selectively communicate power from the energy storage device to the common bus if a bus voltage of the common bus falls to a predetermined lower limit. | 09-18-2014 |
20140265570 | Multi-Load Drive Circuit - A circuit arrangement includes a first number of loads connected in series. Each of a second number of drive units is coupled to at least one of the first number of loads, and is configured to assume a first operation state or a second operation state. A current source circuit is coupled in series with the first number of loads and is configured to control a load current. | 09-18-2014 |
20140265571 | LED FACILITIES LIGHTING SYSTEM - A facilities lighting system includes a power supply and an AC/DC converter in electrical communication with the power supply. A plurality of lighting fixtures is in electrical communication with one another in series wherein at least one of the plurality of lighting fixtures is in electrical communication with the AC/DC converter. At least one LED lighting member is installed in the at least one of the plurality of lighting fixtures. In one embodiment, the lighting member is an LED tubular bulb such as an LED T8 tube. | 09-18-2014 |
20140285007 | Power Management System for a Microbial Fuel Cell and Microbial Electrolysis Cell Coupled System - Various embodiments of the invention include a power management unit (PMU) to simultaneously control the production of hydrogen and electricity for external use in an MFC-MEC coupled system. In one embodiment, the PMU includes low voltage electronic switches using MOSFETs, and a PWM controller. The PWM controller creates timing waveform necessary to operate the switches. In other embodiments, the switches can be replaced by any switching regulator capable of operating at low operating voltage and currents that yield high efficiency. Such a system can be used in a waste-water treatment facility. | 09-25-2014 |
20140285008 | ADJUSTABLE INDUCTIVE POWER TRANSMISSION PLATFORM - A hybrid power load balancing system configured to manage the amount of power transfer via a plurality of inductive coils is provided. The system comprises one or more power supplies, a plurality of inductive outlets associated with and configured to be supplied power by each of the power supplies for providing power to loads connected thereto, and a load balancer associated with each of the outlets. A power supply and its associated outlets and load balancers constitute a cluster. The load balancers are configured to grant power classes to the outlets to supply at least a minimum required power class to each of the attached loads. | 09-25-2014 |
20140285009 | PORTABLE BACKUP CHARGER - A portable backup charger includes a set of batteries; a charging circuit; a charge-discharge protection circuit; multiple DC-DC voltage adjusting circuits including a DC-DC 19 V-output boost circuit, a 12 V output circuit, and a DC-DC 5 V-output buck circuit; a MCU circuit; a 12 V output circuit outputting a current in the range of 100 A to 400 A; and a 150 A-250 A fuse. The set of batteries is composed of lithium iron phosphate batteries and lithium cobalt oxide batteries. The 12 V output circuit outputting a current in the range of 100 A to 400 A is directly connected to the set of batteries without interference with the charge-discharge protection circuit. The charger is convenient for carrying, and is capable of providing power for different electrical instruments including for an automobile. | 09-25-2014 |
20140292081 | POWER MANAGER - An improved power manager includes a power bus ( | 10-02-2014 |
20140300187 | POWER SUPPLY SYSTEM, DISTRIBUTED POWER SOURCE SYSTEM, MANAGEMENT APPARATUS, AND POWER SUPPLY CONTROL METHOD - A power supply system comprises a plurality of distributed power source systems capable of supplying powers to loads | 10-09-2014 |
20140306525 | SYSTEM AND METHOD FOR MATHEMATICAL PREDICTIVE ANALYTICS AND COMPUTATIONAL ENERGY MODELING - Systems, methods and computer program products for controlling a micro electrical power grid to select the volume of electricity produced by each power generation source in order to meet demand and achieve a particular optimization goal. In one embodiment, a system operable to control a micro electrical power grid may include a plurality of intelligent power broker (IPB) units and at least one data analytics unit in communication with the IPB units. Each IPB may be associated with an electrical power source or an electrical load and may be operable to collect data relating to its associated electrical power source or electrical load. The data analytics unit may receive the data from the IPB units and may be operable to analyze the data and direct the IPBs to remove one or more of the electrical power loads from the micro electrical grid and/or increase an electrical power output from the electrical sources during time period T. | 10-16-2014 |
20140306526 | POWER CONVERTER AND METHODS FOR INCREASING POWER DELIVERY OF SOFT ALTERNATING CURRENT POWER SOURCE - A power converter is provided that includes a detection circuit configured to determine a power source type based on at least one characteristic of power received from a power source. The detection circuit is also configured to determine an operating edge of the soft AC source by monitoring at least one parameter as the soft AC power source approaches a power limit, and assign an operating point to the soft AC power source based on the operating edge to increase power delivery of the soft AC power source. | 10-16-2014 |
20140306527 | METHOD FOR PROVIDING CONTROL POWER WITH AN ENERGY GENERATOR AND AN ENERGY CONSUMER - A method and device for a provision of control power for a power supply network in which control power is provided, wherein an energy producer and an energy consumer are jointly operated, wherein the power which the energy consumer removes from the power supply network is restricted to provide a positive control power, and the power which the energy producer feeds into the power supply network is restricted to provide a negative control power. | 10-16-2014 |
20140339893 | Life Degradation Mitigation for Transient Response Energy Storage - A variable speed genset system is provided that may include a primary power source, an electric machine, an energy storage device, a boost converter, and a controller. The electric machine may be coupled to the primary power source and electrically coupled to a load through a common bus. The boost converter may be in electrical communication with the common bus and the energy storage device. The controller may determine a State of Health (SOH) for the energy storage device, selectively engage the energy storage device to provide a first power amount to the common bus, and selectively change the operating speed of the primary power source to provide a second power amount to the common bus, the speed based on the SOH, a temperature of the energy storage device, and the load demand. The combination of the first and second power amounts substantially meet a load power demand. | 11-20-2014 |
20140339894 | PRE-EMPHASIS CIRCUIT - An embodiment of a pre-emphasis circuit, an embodiment of a method for pre-emphasizing complementary single-ended signals, an embodiment of a transmitter, and an embodiment of a communication system. | 11-20-2014 |
20140346871 | POWER CONVERSION APPARATUS AND POWER CONVERSION METHOD - A power conversion apparatus includes a primary side circuit, a secondary side circuit magnetically coupled to the primary side circuit through a transformer, and a control unit that adjusts transmitted power transmitted between the primary side circuit and the secondary side circuit by changing a phase difference between switching of the primary side circuit and switching of the secondary side circuit. The control unit suppresses a fluctuation in the transmitted power by suppressing a change in a duty ratio of the switching of the primary side circuit to the switching of the secondary side circuit. | 11-27-2014 |
20140354049 | AUXILIARY WINDING FOR EXTENDED CURRENT MEASUREMENT - A power controller controls power to a load and includes a primary current sensor, a controller and a current source. The primary current sensor includes a primary conductor and an auxiliary conductor. The primary conductor carries a primary current to the load and the auxiliary conductor carries an auxiliary current in the opposite direction of the primary current to provide partial flux cancellation. The primary current sensor provides an output voltage based upon a magnetic field generated by the primary current and auxiliary current. The controller determines the primary current based upon the output voltage and the auxiliary current. The current source provides the auxiliary current. The controller controls the current source to provide the auxiliary current to the auxiliary conductor if the primary current is greater than a threshold value. | 12-04-2014 |
20140354050 | POWER BANK AND CONTROL METHOD FOR SUPPLYING POWER - The present invention discloses a power bank and a control method for supplying power. The power bank includes a rechargeable battery, a charging switch for controlling a charging path to the rechargeable battery, a discharging switch for controlling a discharging path from the rechargeable battery, and a control circuit for controlling the charging switch and the discharging switch according to current information of the charging path, current information of the discharging path, and battery capacity information of the rechargeable battery. The power bank is adapted for being connected in series between a power supply apparatus and a load. The control method detects the supply current from the power supply apparatus and the current required by the load to determine the charging and discharging operations of the power bank. | 12-04-2014 |
20140361617 | POWER DEVICE - When a control device simultaneously drives first and second direct-current power converter circuits, the control device can arbitrarily control a first voltage and a second voltage, and a load voltage by changing at least one of first and second duties. The control device generates a loop current, which discharges a first power source and charges a second power source, or a loop current, which charges the first power source and discharges the second power source, in a loop circuit where a first reactor and a second reactor are connected in series. | 12-11-2014 |
20140375124 | Externally controllable battery charger having a signal interpreter - In a first embodiment a first signal generator associated with a first power consuming device sends information about the first power consuming device to a signal interpreter associated with a controllable power source. The signal interpreter develops a control signal in response to the information. The control signal is sent to a controllable power source. The controllable power sends power to the first power consuming device in accordance with the control signal it receives from the signal interpreter. The first signal generator and the first power consuming device that is associated with it are abbe to be removed so that a second signal generator associated with a second power consuming device may communicate with the signal interpreter. The controllable source sends power to the second power consuming device in accordance with the control signal it receives from the signal interpreter. | 12-25-2014 |
20150048677 | MULTI-FUNCTION PIN FOR LIGHT EMITTING DIODE (LED) DRIVER - Techniques are described for a multi-function pin of a light emitting diode (LED) driver. The techniques utilize this multi-function pin for switching current that flows through one or more LEDs, as well as for charging the power supply of the LED driver. The techniques further utilize this multi-function pin to determine whether the voltage at an external transistor is beginning to oscillate, and utilize this multi-function pin to determine whether the current through the one or more LEDs has fully dissipated to an amplitude of zero. | 02-19-2015 |
20150048678 | MULTI-FUNCTION PIN FOR LIGHT EMITTING DIODE (LED) DRIVER - Techniques are described for a multi-function pin of a light emitting diode (LED) driver. The techniques utilize this multi-function pin for switching current that flows through one or more LEDs, as well as for charging the power supply of the LED driver. The techniques further utilize this multi-function pin to determine whether the voltage at an external transistor is beginning to oscillate, and utilize this multi-function pin to determine whether the current through the one or more LEDs has fully dissipated to an amplitude of zero. | 02-19-2015 |
20150054339 | MICROGRID REACTIVE POWER MANAGEMENT FOR VOLTAGE REGULATION DURING AND SUBSEQUENT TO ISLANDING - Methods and systems for power management include determining a voltage level of a grid; if the voltage level is below a lower voltage threshold, setting power outputs for one or more distributed generators on the grid to maximum; and if the voltage level is above the lower voltage threshold and below an upper voltage threshold, determining power outputs for one or more distributed generators on the grid using sensitivity-based distributed Q compensation. | 02-26-2015 |
20150061387 | SYSTEMS, DEVICES AND METHODS FOR ELECTRICITY PROVISION, USAGE MONITORING, ANALYSIS, AND ENABLING IMPROVEMENTS IN EFFICIENCY - The present invention relates generally to systems, devices and methods for the efficient use of utilities, more particularly to the distribution and provision of electricity supply at appropriate voltages, monitoring and usage by end devices, and to facilitating consumers in changing their energy usage behaviour, and to adopt and easily install appropriate sustainable, energy efficient or renewable technologies. Said end devices typically including traditional electric, electronic and lighting appliances requiring AC or DC power provision or low voltage DC power via AC/DC converters. | 03-05-2015 |
20150069836 | METHOD FOR CONTROLLING AN ARRANGEMENT FOR SUPPLYING ELECTRIC CURRENT TO A POWER SUPPLY SYSTEM - The invention relates to a method for controlling a feed arrangement having a wind energy installation for feeding electrical power into an electrical supply system, comprising the following steps: generating electrical power using the wind energy installation from wind, feeding a first proportion of the generated electrical power into the electrical supply system, supplying a second proportion of the generated electrical power to an electrical consumer for consuming the supplied second proportion of the generated electrical power, and wherein, depending on at least one monitored system state and/or depending on the prevailing wind, the second proportion of the generated electrical power which is supplied to the consumer is reduced wholly or partially and the first proportion of the electrical power fed into the electrical supply system is increased correspondingly, and to a corresponding feed arrangement. | 03-12-2015 |
20150076903 | CONTROLLING APPARATUS, POWER CONVERTING APPARATUS, CONTROLLING METHOD, COMPUTER-READABLE RECORDING MEDIUM AND CONTROLLING SYSTEM - According to one embodiment, a controlling apparatus includes a power phase controlling unit to control the phase of the power to be output to the power line by the power converting apparatus, based on the synchronous signal, and when a disruption of the synchronous signal is detected, control the phase of the power to be output to the power line by the power converting apparatus, based on the synchronous signal received before the disruption. The controlling apparatus includes a communication controlling unit to control the communicating unit such that, for information to determine a master that sends the synchronous signal, the communicating unit performs either one of a receiving from the controlling apparatus for the other power converting apparatus and a sending to the controlling apparatus for the other power converting apparatus, while the power phase controlling unit performs the control based on the synchronous signal received before the disruption. | 03-19-2015 |
20150102669 | ELECTRICAL POWER DISTRIBUTION SYSTEM FOR ENABLING DISTRIBUTED ENERGY GENERATION - In the present legacy electrical power generation and distribution system, the power quality delivered to end consumers is being degraded by a number of disruptive technologies and legislative impacts; especially with the rapidly increasing myriad of privately owned and operated domestic and commercial distributed energy generation (DEG) devices connected at any point across a low voltage (LV) distribution network. The present invention bypasses this increasing critical DEG problem by offering a solution comprising an energy processing unit (EPU) that is installed at the electrical power point of use (POU). | 04-16-2015 |
20150108836 | Power Boost Circuit - The invention relates to a voltage boost circuit, and more particularly, to a power boost circuit formed by a plurality of voltage boost circuits. | 04-23-2015 |
20150108837 | AUDIO-POWER CONVERTER - An apparatus and method for converting audio signals to power supply signals that includes a step-up transformer, rectifier, and energy storage device on each channel, and uses information on one channel to control the output voltage sources. | 04-23-2015 |
20150123475 | Control of Operating Equipment by Influencing a Grid Voltage - To stabilize the grid voltage in a grid section which is connected to a higher-level grid via an apparatus having a variable voltage transformation ratio and which includes at least one energy consumption or generation unit, the voltage transformation ratio is changed in order to change a grid voltage level in the grid section. In at least in one mode of the method the grid voltage level is raised in order to counteract a rise in the grid voltage at the energy consumption or generation unit, or the grid voltage level is lowered in order to counteract a drop in the grid voltage at the energy consumption or generation unit. This is effectively possible since the power consumption or output of each energy consumption or generation unit in the grid section is controlled via a characteristic curve of the grid voltage present there. | 05-07-2015 |
20150137596 | SYSTEM, METHOD AND DEVICE FOR PROVIDING A STABLE POWER SOURCE WITHOUT THE USE OF DIRECT CONNECTION TO AN AC OR DC SOURCE - A combined energy harvesting and measuring device, for use in harvesting energy from a power line conductor and in optimizing load balance and charge as between one or more energy storage or energy drawing devices comprises a single, multi-function current transformer (CT) which itself comprises an electrical winding disposed thereon, the CT being configured to receive an induced current on the electrical winding via magnetic flux energy generated by alternating current on the power line conductor and, at the same time, being configured to measure current flow on the power line conductor; and wherein there is a circuit electrically coupled to the electrical winding and configured to convert the harvested and received induced current into an electrical energy for consumption by an electrical device. | 05-21-2015 |
20150145330 | Coupling-in and coupling-out of power in a branch of a DC voltage network node comprising a longitudinal voltage source - A device for load flow control of a direct current in a branch of a direct current voltage network node having a longitudinal voltage source which has a coupling device for connection or disconnection of electrical power. The coupling device for connection and disconnection of electrical power are connected to a coupling device for connection and disconnection of electric power of a further load flow control device which is disposed in another branch of the same direct current voltage network node. Thus the device can be used economically and flexibly for control of a load flow on or in a network node. | 05-28-2015 |
20150295409 | MICRO-GRID OPERATION SYSTEM WITH SMART ENERGY MANAGEMENT - A micro-grid operation system with smart energy management including a power supply system, three micro-grids and an energy management unit is provided. The power supply system generates three phase AC power sources. A first micro-grid receives a first-phase AC power source and is coupled to a first load. A second micro-grid receives a second-phase AC power source and is coupled to a second load. A third micro-grid receives a third-phase AC power source and is coupled to a third load. The energy management unit detects the first, second and third-phase AC power sources to generate a first control signal, a second control signal and a third control signal. The power supply system generates at least one of auxiliary power source to at least one of the first, second and third micro-grids according to the first, second and third control signals. | 10-15-2015 |
20150295504 | ELECTRIC POWER CONVERSION APPARATUS AND METHOD OF CONTROLLING THE SAME - An electric power conversion apparatus includes a transformer having a primary coil and a secondary coil; a primary-side full bridge circuit having first and second arm circuits in parallel, respective midpoints of the first and second arm circuits being connected via the primary coil; a secondary-side full bridge circuit having third and fourth arm circuits in parallel, respective midpoints of the third and fourth arm circuits being connected via the secondary coil. The number of turns of the secondary coil between the latter respective midpoints is switched and transmission power transmitted between the primary-side and the secondary-side full bridge circuits is controlled through adjustment of a phase difference in switching between the first arm circuit and the third arm circuit and a phase difference in switching between the second arm circuit and the fourth arm circuit. | 10-15-2015 |
20150298627 | DEVICE AND METHOD FOR DISTRIBUTION OF ELECTRICAL ENERGY - The invention relates to a method for distribution of electrical energy in a system comprising power units for production and consumption of said electrical energy, comprising a control unit for said distribution. The method comprises the steps of automatically identifying power units of the system; and automatically configuring said control unit for controlling of said distribution on the basis of the thus identified power units of the system. The invention also relates to a computer program product comprising program code for a computer for implementing a method according to the invention. The invention also relates to a device and a motor vehicle which is equipped with the device. | 10-22-2015 |
20150306968 | ELECTRIC POWER MANAGEMENT DEVICE, ELECTRIC POWER CONTROL METHOD, AND MOBILE UNIT - An electric power management device is an electric power management device that is provided in a facility connected to an electric power system and connects to a mobile unit provided with a power generator and an electricity storage device and includes a receiver operative to accept an instruction for selecting one of a first mode in which generated electric power of the power generator is preferentially supplied to an outside of the mobile unit and a second mode in which the electricity storage device is preferentially charged with the generated electric power of the power generator and control circuitry operative to change a supply destination of the generated electric power of the power generator in accordance with the instruction accepted by the receiver. | 10-29-2015 |
20150326014 | CHAIN-LINK CONVERTER SYSTEM WITH DIFFERENT DC-SOURCES AND METHOD FOR OPERATION - An electrical chain-link converter system includes a converter phase leg for converting a plurality of DC electrical currents from a plurality of DC power sources to an AC current of an electrical power distribution network. The phase leg includes a plurality of serially connected converter cells each of which is connected to a respective power source of the plurality of DC power sources. The system also includes a control unit associated with the phase leg, the control unit including a processor; and a storage unit storing instructions that, when executed by the processor, cause the control unit to, for each of the converter cells: obtain a dedicated voltage reference for the converter cell; and transmit the voltage reference to the converter cell. | 11-12-2015 |
20150326017 | POWER MANAGEMENT APPARATUS AND POWER MANAGEMENT METHOD - A power management apparatus (EMS | 11-12-2015 |
20150326018 | POWER MANAGEMENT APPARATUS AND POWER MANAGEMENT METHOD - A power management apparatus (EMS | 11-12-2015 |
20150326023 | ELECTRICAL LOAD MANAGEMENT - Methods, systems, and apparatus, including computer programs encoded on computer storage media, for electrical load management. One of the systems includes a first electrical grid, one or more power sources coupled to the first electrical grid, a second electrical grid coupled to the first electrical grid by a power conversion system, one or more loads coupled to the second electrical grid, and one or more load control systems coupled to the one or more loads. A grid control system is configured to receive source information from the first electrical grid and send load instructions to the load control systems based on the source information. | 11-12-2015 |
20150333520 | DISTRIBUTION BOARD FOR INDEPENDENT MICROGRID - Disclosed is a distribution board for independent microgrid capable of driving a power loads at a remote place such as an island area or a mountainous area etc. with a power generated by using a renewable energy generating device and a diesel generating device using a fossil fuel, preventing a power failure etc. by selectively or successively blocking other loads or unimportant loads among the power loads at need, and stably recovering power supply by preventing an excessive inrush current by successive power supply in a re-driving process. | 11-19-2015 |
20150340870 | Method for Regulating a Power Supply System - A method provides closed-loop control for an entire power supply system which has three supply levels each considered to be a separate regulatory unit and controlled independently of the other supply levels. An interface between two respective regulatory units is defined by control of the active power and reactive power transmitted between the two regulatory units. Appropriate control of the active power and reactive power transmitted between the regulatory units allows these regulatory units to be isolated from or connected to one another in terms of power. A power supply system is ideally regarded as a chain of separate regulatory units for supplying power. This allows efficient and safe operation and local control of a power supply system to which locally produced power is supplied, for example on different supply levels. In addition, a low number of data items to be interchanged between the supply levels is maintained. | 11-26-2015 |
20150340896 | POWER GENERATION CONTROL DEVICE - A power generation control device is provided for controlling a power generator that charges a battery. The device includes a light-emitting diode having a first terminal connected to the battery, an internal power supply activation circuit that activates an internal power supply circuit, a light-emitting diode drive circuit connected to a second terminal of the light-emitting diode, the light-emitting diode drive circuit drives the light-emitting diode in accordance with a power generation state of the power generator, and an impedance conversion circuit that controls in such a manner that an impedance of the internal power supply activation circuit is higher when the light-emitting diode driven by the light-emitting diode circuit is turned off than when the light-emitting diode is turned on. | 11-26-2015 |
20150349524 | POWER NETWORK SYSTEM, POWER CONTROL METHOD, POWER ROUTER, CONTROL APPARATUS, AND STORAGE MEDIUM - Disclosed is a power network system etc. which can safely detach a power router whose communication with a control apparatus becomes interrupted, from other power routers and power cells, the power network system including a second control apparatus controlling one of or plural of the power cells, when the second control apparatus detects abnormality in communication between the apparatus itself and the power router, the second control apparatus performs control so as to stop transmission/reception between the power router in which the abnormality is detected and another power router which is connected to the power router, and when the first control apparatus included in the power router detects abnormality in communication between the power router and the second control apparatus, the first control apparatus performs control so as to stop transmission/reception of the power conversion leg connected to the another power router. | 12-03-2015 |
20150361942 | METHOD FOR TESTING A SUPPLY CIRCUIT, AND A CORRESPONDING SUPPLY CIRCUIT FOR AT LEAST ONE IGNITION CIRCUIT - In a method for testing a supply circuit for an ignition circuit having at least one energy accumulator, a first conversion circuit that raises a supply voltage to a specified voltage level and charges the at least one energy accumulator, a controllable discharging circuit that discharges the at least one energy accumulator as needed, the energy accumulator is connected via a first coupling diode to the ignition circuit, and the supply voltage is applied via a second coupling diode to the at least one ignition circuit. Following the system start-up, a state of charge of the at least one energy accumulator is ascertained and compared to the at least one specified threshold value, and as a function of the comparison, a faultless supply circuit or at least one fault is recognized. | 12-17-2015 |
20150365005 | BIDIRECTIONAL CONVERTERS AND FLUX-BALANCING CONTROL METHODS THEREOF - A flux-balancing method for an isolated bidirectional converter uses a flux-balancing control loop and a current-balancing control loop to control the DC components in the primary and secondary currents. The flux-balancing control loop keeps the average magnetizing current substantially zero and the current-balancing control loop keeps the average primary current or the average secondary current substantially zero. The flux-balancing loop adjusts the duty ratio of a set of switches in a corresponding bridge. The adjusted duty ratio is designed to substantially eliminate the DC component in the magnetizing current. The current-balancing loop keeps the average primary current and the average secondary current substantially zero, and adjusts the duty ratio of the switches in a corresponding bridge to eliminate the corresponding DC component. | 12-17-2015 |
20150372423 | Enclosed Power Outlet - Power outlets adapted for installation within an enclosure are provided. Power outlets are provided having a safety interlock adapted to prevent the creation of a hazardous condition within the enclosure as a result of the continued operation of an electrical device within the enclosed space. The safety interlock may include current limiting circuitry and hardware, hazard sensing devices interconnected with such current limiting circuitry and hardware or other circuit breaker switches, and combinations of such safety interlocks. The power outlets may also be adapted for installation within a movable enclosure, such as, for example, a drawer. | 12-24-2015 |
20150372534 | SYSTEMS AND METHODS FOR ACCEPTING VARIABLE INPUT POWER FROM AN EXTERNAL POWER SOURCE - In accordance with embodiments of the present disclosure, an information handling system may include at least one information handling resource and a power system for delivering electrical energy to the at least one information handling resource. The power system may include a battery and a direct-current (DC) input for receiving a DC power source for delivering electrical energy to the at least one information handling resource and charging the battery. The power system may be configured to, based on at least one of an operational state the battery and a power mode of the information handling system, configure an input power draw limit via the DC input. | 12-24-2015 |
20150380930 | Battery Backup Units And Systems Including Bypassing Circuitry For Regulating Outputs - A battery backup unit (BBU) for supplying backup power to a load includes at least one battery, an output terminal for coupling to a load, a power converter having an input coupled to the at least one battery and an output coupled to the output terminal, and a bypass circuit having an input coupled to the at least one battery and an output coupled to the output terminal. The power converter is configured to regulate a voltage at the output terminal after startup of the power converter. The bypass circuit is configured to regulate the voltage at the output terminal during startup of the power converter. Other example systems including one or more BBUs are also disclosed. | 12-31-2015 |
20160004268 | POWER SUPPLY SYSTEM COMPRISING A PREPROCESSING DEVICE - A power supply system contains a plurality of power generating devices, a plurality of power consuming devices, and a controller. The controller controls the power supply system based on a rated consumption value indicating an anticipated power consumption of the power supply system and also based on a standby value indicating a standby power. The standby value indicates the standby power made available by the power supply system at which emergency measures can be avoided if the actual power consumption deviates from the rated consumption. The power supply system further has a preprocessing device for calculating a rated consumption value and a standby value at which an emergency measure-free operation can be attained with the required probability, based on consumption values recorded in the past and using a probability value defined on the user side which defines the probability of the emergency measure-free operation of the power supply system. | 01-07-2016 |
20160006253 | Emergency Load Management Using A DC Microgrid During Grid Outage - A DC building electrical system includes a DC power consuming device connected to a DC bus. A source of DC power is connected to the DC bus and powers the DC power consuming device. An energy storage device is connected to the DC bus and to a DC emergency load. The energy storage device powers the DC power consuming device in conjunction with the source of DC power, and powers the DC emergency load when source of power other than the energy storage device is available to the DC power consuming device. | 01-07-2016 |
20160013641 | MULTI-TERMINAL DC POWER SYSTEMS EMPLOYING AUTONOMOUS LOCAL CONTROL METHODS | 01-14-2016 |
20160013652 | METHOD AND APPARATUS FOR POWER MANAGEMENT USING DISTRIBUTED GENERATION | 01-14-2016 |
20160036222 | Daisy Chain Configuration for Power Converters - A system includes a plurality of power supplies and a controller. The plurality of power supplies outputs power to a load. A serial bus connects the plurality of power supplies in a daisy chain. The controller is connected to first and last ones of the power supplies by the serial bus. The controller is connected to a management bus via a management bus interface. The controller monitors the plurality of power supplies via the serial bus. The controller transmits status information of the plurality of power supplies to the management bus via the management bus interface of the controller. | 02-04-2016 |
20160043556 | POWER MANAGEMENT CONCEPT IN DC DISTRIBUTED SYSTEMS - A system and method to interconnect several conventional or alternative power generators, loads, and/or energy storage elements physically separated from each other in a DC distribution system. The method includes the steps of providing a common DC bus to interconnect all of the elements in the DC distributed system using power converters. A first group of one or more of the elements (main element) is used to automatically maintain the voltage of the DC link following a set a set point to provide for the load matching. The average DC link voltage (set point) maintained by the main element is intentionally changed in order to indicate all of the other elements connected to the DC bus how they need to modify their power generation or consumption. | 02-11-2016 |
20160043594 | POWER CONTROL APPARATUS AND CONTROL METHOD - A power control apparatus includes the following elements. A measure measures a value of a current to be supplied from a power supply source to a load set. A switch is disposed on a power supply path from power supply source to a load set. A setter sets a first maximum current value in the case of a normal state in which the load set receives power from a main power supply source and sets a second maximum current value when the load set receives power from the sub power supply source. Control circuitry turns OFF the switch when the value of the measured current exceeds the first maximum current value in the case of the normal state and turns OFF the switch when the load set receives power from the sub power supply source and the value of the measured current exceeds the second maximum current value. | 02-11-2016 |
20160049794 | Electric power router with multiple power supply modes - The present invention belongs to the field of utilization of distributed power generations and smart power management and, relates to an electric power router with multiple power supply modes; it includes a control unit, a communication module, a bidirectional alternate/direct current converter, a switch array, a direct current power line, two alternate current power lines, a power line measuring module, and router ports; wherein, the router ports include a plurality of power source ports and load ports; the switch array includes a single throw switch for grid connection and a plurality of double throw switches, all of which are controlled by the control unit; the direct current power source ports of the router ports are connected to the direct current power line, the direct current power line is connected to the second alternate current power line through the bidirectional alternate/direct current converter; the alternate current power source ports and load ports are connected through two alternate current power lines and the switch array. The present invention enables highly effective and smart management to kinds of power sources and loads, according to the power supplying condition of the power sources as well as the power consumption characteristics and consumption demands of the loads. | 02-18-2016 |
20160079752 | HIERARCHICAL AND DISTRIBUTED POWER GRID CONTROL - A control node enables distributed grid control. The control node monitors power generation and power demand at a point of common coupling (PCC) between a utility power grid and all devices downstream from the PCC. The control node can have one or more consumer nodes, which can be or include customer premises, and one or more energy sources connected downstream. The control node monitors and controls the interface via the PCC from the same side of the PCC as the power generation and power demand. The control can include adjusting the interface between the control node and the central grid management via the PCC to maintain compliance with grid regulations at the PCC. | 03-17-2016 |
20160079757 | DISTRIBUTED POWER GRID CONTROL WITH LOCAL VAR GENERATION - A distributed control node enables local control of reactive power. A consumer node generates local real power on a consumer side of a point of common coupling (PCC). The control node converts local real power into reactive power with a conversion device on the consumer side of the PCC. The control node can deliver the reactive power to the grid to provide VARs to the grid from locally generated real power. | 03-17-2016 |
20160087439 | ENERGY SIGNATURES TO REPRESENT COMPLEX CURRENT VECTORS - A distributed control node enables monitoring of complex energy signatures for local loads. The control node can identify energy signatures unique to local loads. The energy signature includes a complex current vector for the load in operation identifying the primary current with a real power component and a reactive power component, and identifying one or more harmonics each with a real power component, a reactive power component, and an angular displacement relative to the primary current. Based on the energy signature, the control node can control a noise contribution of the load due to the harmonics as seen at a point of common coupling to reduce noise introduced onto the grid network from the load. | 03-24-2016 |
20160087440 | POWER GRID SATURATION CONTROL WITH DISTRIBUTED GRID INTELLIGENCE - Distributed grid intelligence enables grid saturation control. A distributed control node can determine that a segment of the power grid exceeds a saturation threshold. A power grid can be saturated by real power when local power sources at customer premises are connected to the grid. The grid saturation threshold can be a point at which real power generation capacity of local energy sources exceeds a threshold percentage of peak real power demand for the power grid segment where the power generation capacity exists. The control node at a consumer node can dynamically adjust a ratio of real power to reactive power for the segment of the power grid as seen from the grid, and reduce grid saturation. | 03-24-2016 |
20160087441 | VIRTUAL POWER GRID - Distributed grid intelligence can enable a virtual power grid. Multiple consumer nodes can have local power sources, and be coupled to a same point of common coupling (PCC). The consumer nodes can be controlled by distributed control nodes at the consumer nodes. The control nodes control the distribution of power from the local power sources based on local power demand of each respective consumer node, and also based on distribution of power from the other respective control node. Thus, consumer nodes can share power generated locally, but operate independently without the need for central management or a central power plant. | 03-24-2016 |
20160087442 | MODULAR POWER GRID - Distributed grid intelligence can enable a modular power grid. Multiple consumer nodes are coupled to a same point of common coupling (PCC). Local power sources are coupled to the PCC. None of the power sources has sufficient generation capacity alone to meet peak demand of the multiple consumer nodes of the grid segment. The grid segment includes multiple control nodes to control distribution of power from the power sources to the multiple consumer nodes based on power demand from the multiple consumer nodes and based on operation of the other power sources. Thus, consumer nodes can share power generated locally, but operate independently without the need for central management or a central power plant, and different independent segments can be coupled to each other to expand the grid network. | 03-24-2016 |
20160099565 | INTELLIGENT ELECTRIC GRID MANAGEMENT SYSTEM AND METHOD - An intelligent electric grid management system and method includes at least one feeder line controller, which is arranged between a secondary power transforming station and at least one power supply feeder line to receive high voltage power and a control instruction from the secondary power transforming station and to store and set, in advance, digital code data of each power supply feeder line, an smart meter of a user end, appliance loads, and priority cutoff levels, a plurality of smart meters, which is each connected between the distribution line of each user end and at least one power feeder line, wherein the smart meter and the feeder line controller transmit therebetween a user end load ON/OFF control signal and a load state detection feedback signal through the power supply feeder line by means of the power line communication protocol; and a plurality of intelligent load receptacles, which is connected to the receptacle power line of the distribution line of the user end and the household appliance loads so that based on the power grid overall power requirement state and the priority cutoff level, the feeder line controller controls, through the smart meter by means of the power line communication protocol, each of the intelligent load receptacles to supply or cut off power to the household appliance load connected thereto. | 04-07-2016 |
20160105026 | DYNAMIC POWER DISTRIBUTION IN PHOTOVOLTAIC INSTALLATIONS - The present disclosure relates to a photovoltaic power installation configured to deliver power to a consumer at a supply node, the power installation including a first power inverter configured to be connected to a first group of photovoltaic panels, a second power inverter configured to be connected to a second group of photovoltaic panels, a control unit, a data communication network interconnecting the first and second power inverters and the control unit. The control unit is configured to set output power references to the first and second power inverters of the photovoltaic power installation in accordance with available power levels from the first and second power inverters so as to deliver an output power level in accordance with an externally generated power reference at the supply node. The present disclosure further relates to an associated method | 04-14-2016 |
20160105027 | PHOTOVOLTAIC SYSTEM WITH MANAGED OUTPUT - Photovoltaic systems with managed output and methods for managing variability of output from photovoltaic systems are described. A system includes a photovoltaic module configured to receive and convert solar energy to DC power. The system also includes a sensor configured to detect a future change in solar energy to be received by the photovoltaic module. The system further includes a power conditioning unit coupled with the photovoltaic module and the sensor. | 04-14-2016 |
20160134109 | POWER NETWORK SYSTEM, AND POWER ADJUSTMENT APPARATUS AND METHOD - A central control device is connected to a first power router including some power transmitting ends and a second power router including some power receiving ends, acquires, for each of the power receiving ends, received power information including identification information of each of the power transmitting ends and a value of supply power supplied from each of the power transmitting ends, and power supply priority information defining a priority for determining a power transmitting end for which an adjustment of the supply power to be supplied to each of the power receiving ends should be prioritized, determines a power transmitting end for which the supply power is adjusted from among the power transmitting ends based on the received power information and the priority defined in the power supply priority information, and adjusts the supply power in the determined power transmitting end. | 05-12-2016 |
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 | 05-19-2016 |
20160164298 | POWER CONVERSION APPARATUS, POWER MANAGEMENT APPARATUS, AND METHOD FOR POWER MANAGEMENT - Remaining power information regarding remaining power generation capability of a power generation apparatus can be transmitted. A power conversion apparatus includes a controller that acquires remaining power generation capability of a power generation apparatus and a communication interface that transmits remaining power information regarding the remaining power generation capability to an external power management apparatus. | 06-09-2016 |
20160179126 | ADJUSTABLE ELECTRICAL EQUIPMENT | 06-23-2016 |
20160181814 | POWER SYSTEM AND CONTROL METHOD THEREOF | 06-23-2016 |
20160190808 | METHOD AND SYSTEM FOR MANAGING ELECTRIC POWER - An electric power management method of an electric power management device includes controlling a first power generator to operate according to a preset operating plan, calculating an available amount of stored power by subtracting a required amount of emergency power from an amount of electric power stored in an energy storage system when a power generation amount of the first power generator is less than an electric power use amount of a plurality of electric power use devices, controlling a second power to operate when a sum of the power generation amount of the first power generator and the amount of electrical power stored in the energy management system is less than the electric power use amount, and interrupting electric power of the electric power use devices in ascending order of priority. | 06-30-2016 |
20160190822 | MICROGRID ENERGY MANAGEMENT SYSTEM AND POWER STORAGE METHOD FOR ENERGY STORAGE SYSTEM - A power storage method for an energy storage system (ESS) is provided. The method includes determining a total quantity of power currently available in a power supply and a quantity of power currently required by a plurality of loads, determining a quantity of residual power currently available based on the total quantity of power currently available and the quantity of power currently required, and charging an ESS of a load determined as having a highest priority with the total power currently available while charging other ESSs of other loads with the residual power currently available. | 06-30-2016 |
20160197476 | SYSTEM AND METHOD FOR INCORPORATING DISTRIBUTED ENERGY GENERATION IN LEGACY ELECTRICITY GENERATION AND DISTRIBUTION SYSTEMS | 07-07-2016 |
20160197477 | CONTROLLING POWER IN A MICRO-GRID | 07-07-2016 |
20160254665 | POWER CONTROL SYSTEM FOR ENERGY STORAGE DEVICES, AND CONTROL DEVICE AND CONTROL METHOD THEREOF | 09-01-2016 |
20170237266 | POWER SUPPLY SYSTEM, POWER CONTROL DEVICE, AND POWER SUPPLY DEVICE | 08-17-2017 |
20170237283 | Apparatus and Methods for Control of Power Flow and Battery Charge | 08-17-2017 |