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US20100033019 MODULAR SOLAR DEVICE POWER DISTRIBUTION  
A system includes a power distributor having a power collection rail and a power management rail disposed within a track. A first module having a solar collector is adapted to couple to the track...
US20110241433 DC TRANSMISSION SYSTEM FOR REMOTE SOLAR FARMS  
A DC transmission system for solar arrays comprises a system DC link for receiving power from the solar arrays through series coupled DC to DC converter. DC to AC power converter modules are...
US20100244575 METHOD FOR CONTROLLING SINGLE-PHASE DC/AC CONVERTERS AND CONVERTER ARRANGEMENT  
A method is disclosed for controlling single-phase DC/AC converters, along with a converter arrangement having at least two single-phase DC/AC converters. A controller is provided which can...
US20120187766 Device and Method For Improving The Performance Of An Inverter In A Photovoltaic System  
In one embodiment, a photovoltaic (PV) power generation system includes a plurality of PV arrays configured to convert received light into electricity, a double conversion device, wherein the...
US20130038132 CPV System and Method Therefor  
A concentrated photovoltaic system (10) uses a semi-dense array of photovoltaic cells (76) in combination with a point-focus, reflecting primary concentrator (12) and a number of linear,...
US20100207455 Thin-film photovoltaic power element with integrated low-profile high-efficiency DC-DC converter  
A photovoltaic device includes at least one photovoltaic cell and a DC/DC converter electrically coupled to the at least one photovoltaic cell. The at least one photovoltaic cell and the DC/DC...
US20140319920 GRID INTERCONNECTION APPARATUS  
A grid interconnection apparatus includes a voltage conversion section including DC/DC converters to step up or down output voltages of DC power sources. The voltage conversion section combines DC...
US20090009005 Control method for parallel redundant power system  
A method for controlling the power system is presented. The power system is composed of at least one inverter for supplying AC power to a load through a bus, a phase lock system to synchronize all...
US20100213769 POWER CONVERTING APPARATUS  
A power converting apparatus generates a carrier having a waveform in which an absolute value of a slope is constant with respect to time, based on a value for internally dividing amplitude of the...
US20130049478 POWER SYSTEM, METHOD OF OPERATION THEREOF, AND CONTROLLER FOR OPERATING  
A power system includes a converter configured to be electrically coupled to a power source, the power source including an energy storage device. An inverter coupled to the converter can transfer...
US20130300196 MULTI-PORT INVERTER/CONVERTER SYSTEM FOR DYNAMIC MICRO-GRID APPLICATIONS  
The present invention provides a novel electrical power system for micro-grid and distributed generation systems. The invention provides a common, singular Alternating Current (AC) electrical port...
US20100213768 Apparatus for photovoltaic power generation  
An apparatus for photovoltaic power generation. The apparatus utilizes a two stage electrical power converter comprising a first converter stage for converting DC power produced by the one or more...
US20110298292 PHOTOVOLTAIC SYSTEM FOR FEEDING THREE-PHASE CURRENT INTO A POWER GRID  
The invention relates to a photovoltaic system for feeding three-phase current to a power grid that includes several monophase or three-phase photovoltaic inverters that can be connected to the...
US20100096921 Power Supply Device and Construction Machine  
A power supply device comprises a bidirectional voltage converter unit that performs voltage stepping up or voltage stepping down between a first terminal and a second terminal; a first switching...
US20120062038 DEVICE AND METHOD FOR EQUALIZING VOLTAGES OF ENERGY-STORAGE ELEMENTS  
A device (3) and a method for equalizing the voltage of an energy-storage element (4) are provided herein. The device (3) comprises at least one transformer (36) and at least one bi-directional...
US20140319919 Soft Switching Inverter Device and Method  
An inverter comprises a first switch coupled to an input of an output filter and a positive dc bus, a second switch coupled to the input of the output filter and a negative dc bus, a first...
US20150236504 POWER GENERATION CONTROL APPARATUS AND POWER SUPPLY SYSTEM  
Diffraction of a noise may be reduced in an inexpensive manner without reducing power generation efficiency. A power generation control apparatus (10) includes a plurality of combinations of DC...
US20100084924 APPARATUS AND METHOD FOR PRODUCING AC POWER  
A multi-input electrical power conversion device is provided for converting multiple DC energies each arising from different junctions in a multi-junction solar cells into AC energy. The device...
US20130221753 POWER PROCESSING METHODS AND APPARATUS FOR PHOTOVOLTAIC SYSTEMS  
High power output may be obtained from a photovoltaic (PV) system by controlling each photovoltaic cell of a solar array individually to operate at its maximum power point. Each cell may have...
US20100084922 Three-Level Inverter  
The present invention provides a three-level inverter including first and second direct voltage generators connected in series, each between a common center point and first and second end points,...
US20140333140 POWER SUPPLY APPARATUS, CONTROL METHOD OF POWER SUPPLY APPARATUS, AND POWER SUPPLY SYSTEM  
Provided is a plurality of power supply apparatuses connected in parallel with a grid that are capable of obtaining the same measured values of the same voltage. The power supply apparatus...
US20120013195 POWER SUPPLY SYSTEM AND CONTAINER DATA CENTER INCLUDING SAME  
A power supply system includes a number of aerogenerators, a number of rectifiers, and a direct current to direct current (DC/DC) converter. A first terminal of each rectifier is connected to a...
US20100133912 AUXILIARY DRIVE APPARATUS AND METHOD OF MANUFACTURING SAME  
An auxiliary drive circuit including a first energy storage device coupled to a first DC bus and configured to output electrical power to the first DC bus, and a first DC-to-DC voltage converter...
US20100109442 System and Method for Energy Optimization in Photovoltaic Generators  
An exemplary system for energy optimization in photovoltaic generators comprises a plurality of primary photovoltaic generators, a plurality of secondary photovoltaic generators, and a plurality...
US20090322154 Power System and Method for Supplying AC Power  
Upon receiving a supply start instruction, each vehicle (2, 3, 4) transmits its own identification ID to other vehicles (sequence SQ12, SQ14, SQ16). A vehicle (2) determining that it is a master...
US20140292088 ARRANGEMENT FOR FEEDING ELECTRICAL ENERGY INTO AN ENERGY SUPPLY SYSTEM  
The invention relates to an arrangement (10) for feeding electrical energy into an energy supply system (100). The invention provides that the arrangement has a generator (20) with electrically...
US20130113294 MODULAR ENERGY STORAGE SYSTEM  
An energy storage system includes modular energy storage equipment that may be connected to an external system, such as a power grid. In at least one embodiment, the energy storage system includes...
US20120139349 METHOD AND APPARATUS FOR APPLYING AN ELECTRIC FIELD TO A PHOTOVOLTAIC ELEMENT  
A method and apparatus for applying an electric field to a photovoltaic element. In one embodiment, the apparatus comprises at least one photovoltaic (PV) cell having a P-N junction; and a voltage...
US20130320754 POWER SUPPLY SYSTEM COMPRISING A MULTIPHASE MATRIX CONVERTER AND METHOD FOR OPERATING SAME  
A power supply system having a multiphase matrix converter and a method for operating the system are proposed. The converter has a plurality of input and output terminals and a plurality of...
US20090261659 SYSTEMS AND METHODS FOR POWER SUPPLY SYNCHRONIZATION IN RADIO FREQUENCY IDENTIFICATION (RFID) READERS  
A system for power supply synchronization in an Radio Frequency Identification (RFID) reader is shown and described. In one embodiment, the system includes one or more switched mode power supply...
US20130093250 SYSTEM AND METHOD FOR OPERATING A POWER CONVERSION SYSTEM IN A CURTAILED MODE  
A power management system comprising a processor is provided. The power management system obtains maximum operating capacities of the power converters over time while in the curtailed mode and...
US20120019073 APPARATUS AND SYSTEM FOR POWER CONVERSION  
An apparatus includes a DC-link, a voltage converter, a bus voltage controller, and a supervisory controller. The voltage converter is configured to convert a first DC voltage into a second DC...
US20130320770 SYSTEM AND METHOD FOR REACTIVE POWER COMPENSATION  
A reactive power control system is provided. The reactive power control system computes a required value for a reactive power based on a state observer method for at least one electrical element...
US20130043733 APPARATUS AND METHOD FOR PRODUCING AC POWER  
A multi-input electrical power conversion device is provided for converting multiple DC energies each arising from different junctions in a multi-junction solar cells into AC energy. The device...
US20130193766 CONTROL AND PROTECTION OF A DC POWER GRID  
A HVDC power grid including a multiplicity of voltage sourced converters arranged in a symmetrical monopole transmission configuration to transmit DC power over a DC power grid of transmission...
US20090167282 VOLTAGE REGULATOR AND METHOD OF CALIBRATING THE SAME  
A voltage regulator is provided that includes a power cell to provide a calibrated output voltage based on a voltage identification (VID) offset, and a master controller to provide a VID code to...
US20100213767 Converter channelized uniform power distribution system  
A channelized uniform distribution power system controls individual channels of power converters with each channel of power converters having uniform output power as the channels are controlled by...
US20130082534 DOUBLE MODULE FOR A MODULAR MULTI-STAGE CONVERTER  
A submodule for a high-voltage converter with reduced risk of cross-ignition includes first and second series-connected energy storage devices, first and second semiconductor series circuits...
US20120313442 SOLAR POWER CONVERSION APPARATUS  
Provided is a solar power conversion apparatus which includes at least one solar array receiving light and generating a DC power, a converter unit converting amplitude of the generated DC power, a...
US20110210614 Power storage system and method of controlling the same  
A power storage system and a method of controlling the same include supplying power to a load by connecting a power generation system and a grid. The system includes a power converting unit that...
US20140009104 AC Solar Panel System  
The present invention relates to an AC solar panel system (1) which converts solar energy into electrical energy and provides alternating current as output. The inventive AC solar panel system (1)...
US20110084556 SYSTEM AND APPARATUS FOR INTERCONNECTING AN ARRAY OF POWER GENERATING ASSEMBLIES  
A system and apparatus for interconnecting an array of power generating assemblies includes a cable assembly having a plurality of continuous conductors and a plurality of cable connectors...
US20140062209 PHOTOVOLTAIC SYSTEM AND METHOD EMPLOYING A NUMBER OF MAXIMUM POWER POINT TRACKING MECHANISMS  
A photovoltaic system includes a photovoltaic array and a DC/AC inverter. The photovoltaic array includes an output, a plurality of photovoltaic strings each including a plurality of photovoltaic...
US20100001583 Power supply system, vehicle with the same, control method of power supply system and computer-readable recording medium bearing program causing computer to execute control method of power supply system  
A temperature increase power command producing unit produces a temperature increase power command value for transferring a power between power storage devices when heating control for raising...
US20110095612 Method and apparatus to combine and condition AC power from multiple sources  
This invention pertains to switching and combining more than one AC power supply using an internal controller that has external control and status functions available. The method taught in this...
US20130162023 SWITCHING DEVICE, AND SOLAR POWER GENERATION SYSTEM AND VEHICLE DRIVING SYSTEM USING THE SAME  
A series-parallel switch circuit is constituted by connecting, in parallel, multiple series switch circuits in which a first switch receiving electric current and a second switch outputting the...
US20120153729 MULTI-INPUT BIDIRECTIONAL DC-DC CONVERTER  
Provided is technology for charge and discharge control of a plurality of energy storage modules having different properties. For achieving the technology, there is provided a multi-input...
US20110018354 Power System And Control Method Thereof  
A power system and a control method thereof are disclosed. The power system comprises: providing a plurality of power sources; electrically connecting a plurality of converters between the power...
US20110232714 POWER CONVERSION SYSTEM AND METHOD PROVIDING MAXIMUM EFFICIENCY OF POWER CONVERSION FOR A PHOTOVOLTAIC SYSTEM, AND PHOTOVOLTAIC SYSTEM EMPLOYING A PHOTOVOLTAIC ARRAY AND AN ENERGY STORAGE DEVICE  
A power conversion system includes a number of photovoltaic arrays, a number of inverters, a transformer, and processor. The processor is structured to control the number of inverters and operate...
US20090284078 System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking  
A system for integrating local maximum power point tracking (MPPT) into an energy generating system having centralized MPPT is provided. The system includes a system control loop and a plurality...