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US20140152240 DISTRIBUTED POWER SYSTEM USING DIRECT CURRENT POWER SOURCES  
A distributed power system including multiple (DC) batteries each DC battery with positive and negative poles. Multiple power converters are coupled respectively to the DC batteries. Each power...
US20120299386 DC MICROGRID FOR INTERCONNECTING DISTRIBUTED ELECTRICITY GENERATION, LOADS, AND STORAGE  
A device includes an energy unit coupled to an energy device and adapted to couple a pair of split DC rails. A controller senses the voltage on the DC rails and regulates its output current...
US20130076151 PHOTOVOLTAIC GENERATION SYSTEM USING PARALLEL INVERTER CONNECTED GRID  
A photovoltaic generation system using grid-connected parallel inverters comprises a plurality of photovoltaic generation devices connected in parallel with each other, and a transformer...
US20090218888 POWER ELECTRONIC ARCHITECTURE FOR MANAGING FUEL CELL MODULES AND METHOD THEREFOR  
A system for managing electrical power has a plurality of storage devices. A plurality of DC-DC power converters are provided wherein one DC-DC power converter is coupled to each of the plurality...
US20120139350 SYSTEM AND METHOD OF INTEGRATING WIND POWER AND TIDAL ENERGY  
A system integrating a tidal power generation device and a wind power generation device and a method thereof are provided. The system includes a wind power generation device, a tidal power...
US20130062956 CELL-TO-GRID REDUNDANDT PHOTOVOLTAIC SYSTEM  
In an embodiment, a photovoltaic system includes multiple photovoltaic modules and a module-to-module bus. Each photovoltaic module defines a first end and a second end opposite the first end....
US20130154364 VANADIUM REDOX BATTERY ENERGY STORAGE SYSTEM  
A redox battery energy storage system including multiple energy storage stacks having multiple reactor cells is disclosed. Each of the energy storage stacks may include an integrated DC/DC...
US20120007432 WEARABLE POWER MANAGEMENT SYSTEM  
The present disclosure sets forth a power management system including a plurality of power management devices configured to transfer power among a plurality of external devices. The power...
US20120175964 SERIALLY CONNECTED INVERTERS  
A photovoltaic power generation system, having a photovoltaic panel, which has a direct current (DC) output and a micro-inverter with input terminals and output terminals. The input terminals are...
US20150188249 AC CABLE ASSEMBLY INTERCONNECTION TECHNOLOGIES FOR MICROINVERTER ARRAY  
Various AC cable assembly interconnection technologies for microinverter arrays are disclosed. In some embodiments, an AC cable assembly may include an AC cable connector having a plurality of...
US20120200155 Electric power distribution methods and apparatus  
A plurality of end-user locations are served by a commercial utility grid. More than one and less than all of the end-user locations are themselves interconnected by a feeder, the feeder not...
US20110169327 DEVICE FOR BALANCING THE POWER SUPPLIED BY POWER GENERATORS  
A device for balancing power generators, including a plurality of converters each including an elementary conversion cell with a switch driven by a comparator that receives a ramp on one input...
US20110068634 DIRECT CURRENT POWER SUPPLY FOR MISSION CRITICAL APPLICATIONS  
A DC power supply apparatus and method of supplying DC power for mission critical applications utilizes multiple power circuits in one unit, the power circuits being optimizable for efficiency as...
US20140285024 POWER INVERTERS WITH MULTIPLE INPUT CHANNELS  
A method and apparatus is disclosed for intelligently inverting DC power from DC sources such as photovoltaic (PV) solar modules to single-phase or three-phase AC power to feed the power grid for...
US20090236917 Method for activating a multi-string inverter for photovoltaic plants  
A method of activating a Multi-String inverter for photovoltaic generators (1a, 1b) of a photovoltaic plant (6), the Multi-String inverter incorporating on the input side a separate DC-DC...
US20120205985 POWER DISTRIBUTION DEVICE AND POWER DISTRIBUTION SYSTEM USING SAME  
A power distribution device includes a direct current power source DC/DC converter connected to a direct current power source, and an AC/DC converter connected to an alternating current power...
US20140111016 STAGGERED PARALLEL THREE-LEVEL DC/DC CONVERTER AND AC/DC CONVERTER  
A staggered parallel three-level DC/DC converter and an AC/DC converter includes: at least one input power supply, N-phase three-level DC/DC circuits, N resonant inductors, N resonant capacitors,...
US20100295320 Airborne Power Generation System With Modular Electrical Elements  
A tethered airborne electrical power generation system which may utilize a strutted frame structure with airfoils built into the frame to keep wind turbine driven generators which are within the...
US20130278068 VOLTAGE MODE DRIVER WITH CURRENT BOOSTER (VMDCB)  
A voltage mode driver circuit able to achieve a larger voltage output swing than its supply voltage. The voltage mode driver circuit is supplemented by a current source or “current booster.” The...
US20120049635 SOLAR POWER GENERATION SYSTEM AND METHOD  
A power generation system includes photovoltaic (PV) modules for generating power and power converters coupled to receive power from the PV modules. The power generation system further includes...
US20150061397 PHOTOVOLTAIC INVERTER  
This invention relates to a photovoltaic inverter, capable of connecting a plurality of photovoltaic modules to each input port of a multi-string photovoltaic inverter through a single booster....
US20120228931 Series Connection of Switching Regulators for Energy Transfer in Battery Systems  
An energy transformer for a battery system is disclosed. The energy transformer includes a first and a second primary DC/DC converter each having two inputs and two outputs. The inputs are...
US20080073978 Parallel connection of inverters  
Method for synchronizing inverter units (INU11, INU12) that are connected in parallel and supply a motor, and a parallel connection arrangement, in which motor is either one winding, which is...
US20130076150 Acoustic Noise Modification in Power Converters  
A boost converter including two or more inductors coupled to an input DC power source and to switches that can each be modulated with a modulation signal to control the output power of the boost...
US20130099579 System and Method for Providing Active Power Balancing  
According to one embodiment, a system for actively balancing power between several power units is disclosed. Each of the power units includes a corresponding group of cascoded energy cells. The...
US20080238195 DISTRIBUTED MAXIMUM POWER POINT TRACKING SYSTEM, STRUCTURE AND PROCESS  
Distributed maximum power point tracking systems, structures, and processes are provided for power generation structures, such as for but not limited to a solar panel arrays. In an exemplary solar...
US20130200715 CONVERTER ASSEMBLY AND A POWER PLANT INCLUDING THE CONVERTER ASSEMBLY  
A converter assembly includes a DC-DC converter, an inverter, a DC link, an input capacitor, an inductor and a neutral conductor. The DC-DC converter includes at least one DC-DC converter unit....
US20120104862 PHOTOELECTRIC CONVERSION DEVICE  
A photoelectric conversion device includes at least two photoelectric conversion elements which have voltage-current characteristics different from each other. Further, one of the photoelectric...
US20130187473 Power Converter Circuit  
A circuit arrangement includes a number of DC power sources. Each DC power source includes a rechargeable battery. The circuit arrangement also includes a number converter units. Each converter...
US20100019580 DETACHABLE INVERTER FOR A SOLAR MODULE  
Provided are novel detachable inverters, DC/DC converters, diodes and other detachable electrical circuitry components for solar modules. A detachable inverter or other component according to...
US20130342019 POWER CONVERTER AND METHOD OF ASSEMBLING THE SAME  
A power converter includes a plurality of power conversion modules. At least one power conversion module includes a plurality of power conversion devices defining a three-level bridge. A first...
US20120242156 DC/DC CONVERTER CIRCUIT AND BATTERY SYSTEM  
A DC/DC converter circuit includes at least two DC/DC converters and a low-pass filter, the DC/DC converters in each case having one input side and one output side. The DC/DC converters are...
US20140245035 N+1 POWER SUPPLY SYSTEM UPGRADE USING DUAL OUTPUT POWER SUPPLIES  
A system may include a power module that includes a group of power supplies, particular ones of the group of power supplies being operable at a group of voltages ranging from a first voltage to a...
US20130062957 METHOD AND AREA ELECTRIC POWER SYSTEM DETECTING ISLANDING BY EMPLOYING CONTROLLED REACTIVE POWER INJECTION BY A NUMBER OF INVERTERS  
An area electric power system includes a number of direct current power sources, and a number of inverters operatively associated with the number of direct current power sources. Each of the...
US20130293022 OPTIMUM POWER TRACKING FOR DISTRIBUTED POWER SOURCES  
Embodiments of the present invention provide an apparatus for optimum power tracking for distributed power sources. The apparatus includes a plurality of distributed-input parallel-output...
US20110273024 SERIES CONNECTION OF ON-OFF CONTROLLERS FOR POWER TRANSMISSION IN BATTERY SYSTEMS  
A power transmitter for a battery system, a battery system including such a power transmitter, and a motor vehicle including such a battery system are disclosed. The power transmitter includes a...
US20120187769 Energy Supply System  
An energy supply system has a number of DC choppers for converting the input voltages applied in each case into output voltages, and a number of energy storages for providing the input voltages,...
US20140001871 REDUNDANT SERVER SYSTEM WITH AN OPTIMIZED FAILOVER ARRANGEMENT  
Methods and platforms may include a common bus, and a set of redundant power supply modules coupled to the common bus. Each power supply module can have a conversion circuit, an AC fault detector...
US20080164766 CURRENT BYPASS FOR DISTRIBUTED POWER HARVESTING SYSTEMS USING DC POWER SOURCES  
A converter circuit providing multiple current bypass routes between the output leads to provide reliability in a series connection of several converters. If the converter malfunctions due to...
US20130214607 ELECTROMAGNETIC INTERFERENCE CANCELLING DURING POWER CONVERSION  
Apparatus for cancelling electromagnetic interference (EMI) during power conversion. In one embodiment, the apparatus comprises a power converter for converting a DC input to a DC output, wherein...
US20120104864 AC Power Systems for Renewable Electrical Energy  
A renewable electrical energy power system is provided with aspects and circuitry that can optimize operation of a DC-AC inverter. Alternative electrical energy sources may include solar cells and...
US20130214608 POWER CONTROL DEVICE  
To solve problems arising when a power conditioner equivalent to that connected to a solar panel is connected to a power storage device. Direct-current power generated by the solar panel 9 is...
US20090179500 MULTI-CELLULAR PHOTOVOLTAIC PANEL SYSTEM WITH DC-DC CONVERSION REPLICATED FOR GROUPS OF CELLS IN SERIES OF EACH PANEL AND PHOTOVOLTAIC PANEL STRUCTURE  
A photovoltaic energy conversion system includes a distributed control structure for groups of cells of each multi-cellular panel, the components of which are entirely physically integrated in the...
US20120181873 Hybrid Battery System  
An energy transformer for a battery system is disclosed. The energy transformer includes a plurality of DC/DC converters each having a first and a second input and a first and a second output. The...
US20120013196 Fuel cell system and power managing method of the same  
A fuel cell system, which provides output power of at least one of a fuel cell and a battery to a load, selects any one operating mode from among various operating modes of the fuel cell system...
US20100038968 Systems for Boundary Controlled Solar Power Conversion  
A high efficiency photovoltaic DC-DC converter achieves solar power conversion from high voltage, highly varying photovoltaic power sources to harvest maximum power from a solar source or strings...
US20110304214 Switching Configuration and Method for the Production of an Alternating Voltage from at Least Supply Terminals with Temporally Variable Output DC Voltage  
A circuit having a plurality of parallel-connected partial circuits for feeding an inverter circuit. A partial circuit comprises an unregulated voltage source with a temporally variable output DC...
US20120133211 Control Methods for the Synchronization and Phase Shift of the Pulse Width Modulation (PWM) Strategy of Power Converters  
A method of controlling a plurality of power converters 1a, 1b and 1c can be used to interface to a supply network, ac busbar etc. Each power converter includes a network bridge 14 operating in...
US20120104861 HIGH VOLTAGE ELECTRIC ACCUMULATORS WITH INTERNAL DISTRIBUTED DC-DC CONVERTERS FOR SELF REGULATION AND PROTECTION  
A power management system may employ a power source, a distribution system between the power source and electrical loads and an energy accumulator. The accumulator may comprise a plurality of...
US20120007431 POWER SUPPLY HAVING CONVERTERS WITH SERIALLY CONNECTED INPUTS AND PARALLEL CONNECTED OUTPUTS  
A power supply is coupled to an input voltage source. The power supply includes a plurality of converters. Each converter has an input for receiving an input voltage and an output for providing an...