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US20120175962 Power Collection and Transmission Systems  
A power collection and transmission system can be used with a plurality of energy devices such as off-shore wind turbines. The energy devices are grouped into two or more clusters. The system...
US20150214781 POWER SUPPLY SYSTEM AND METHOD FOR SUPPLYING POWER  
The present disclosure provides a power supply system and a method for supplying power. The power supply system includes an isolating circuit and a first converting circuit. The isolating circuit...
US20140077608 POWER GENERATION CONTROL DEVICE, PHOTOVOLTAIC POWER GENERATION SYSTEM AND POWER GENERATION CONTROL METHOD  
A power generation control device is electrically connected to a photovoltaic panel for controlling an output voltage of the photovoltaic panel. The power generation control device includes a...
US20140103726 Controlling Power Conversion Systems  
Methods and systems for controlling power conversion systems. In one aspect, a power management system includes a first power conversion system coupled to a first energy source and a second power...
US20150249401 CONTROL SYSTEM FOR POWER STACKS IN A POWER CONVERTER, POWER CONVERTER WITH SUCH CONTROL SYSTEM AND WIND TURBINE WITH SUCH POWER CONVERTER  
A control system for one or more power stacks in a power converter is disclosed, each power stack comprising a plurality of electronic switches, said control system comprising one or more...
US20130134924 SYSTEM FOR CHARGING ELECTRICAL STORAGE DEVICE AND METHOD OF MAKING SAME  
A system for charging an electrical storage device includes a motor drive, a DC link electrically coupled to the motor drive, and a first leg coupled to the DC link that includes a first power...
US20080309161 MULTI-OUTPUT POWER SUPPLY DEVICE  
A multi-output power supply device includes a first power switch, a first switch controller that controls the first power switch, a transformer that transforms a power supplied from the first...
US20130162048 POWER MODULE AND MULTI POWER SUPPLY APPARATUS HAVING THE SAME  
There are provided a power module and a multi power supply apparatus having the same. The multi power supply apparatus includes a plurality of power modules connected in parallel with each other...
US20130181529 Power Converter Circuit with AC Output  
A power converter circuit includes output terminals configured to receive an external AC voltage. At least one series circuit has at least two converter units. Each converter unit includes input...
US20130026843 System and Method for Local String Management Unit  
Apparatuses and methods include a solar array having one or more strings of series-connected local management units (LMUs). Each LMU is parallel-connected to one of a plurality of solar modules....
US20120253541 System and Method for Local String Management Unit  
Apparatuses and methods include a solar array having one or more strings of series-connected local management units (LMUs). Each LMU is parallel-connected to one of a plurality of solar modules....
US20130241298 VOLTAGE CONVERTER, VOLTAGE CONVERTING METHOD, POWER ADJUSTER, POWER ADJUSTING METHOD, PHOTOVOLTAIC SYSTEM, AND MANAGEMENT DEVICE  
The present invention relates to a voltage converter, a voltage converting method, a power adjuster, a power adjusting method, a photovoltaic system, and a management device which are capable of...
US20110278938 AC BATTERY EMPLOYING MAGISTOR TECHNOLOGY  
A DC/AC converter incorporates at least one Magistor module having a first sp control switch, a second sz control switch and a third sm control switch. An AC source is connected to an input of the...
US20110043181 Single-inductor-multiple-output regulator with auto-hopping control and the method of use  
A switching regulator is provided herein comprising a voltage source, a plurality of switching elements, an inductive element, and a controller. The controller coordinates the plurality of...
US20150115721 POWER SYSTEM AND METHOD OF OPERATING A POWER SYSTEM  
A power system includes a power generating plant including a plurality of power generators, and an AC collection grid adapted to interconnect the power generating plant and an HVDC converter...
US20120043923 System, Method, Module, And Energy Exchanger For Optimizing Output Of Series-Connected Photovoltaic And Electrochemical Devices  
An energy transfer device for solar power systems operates to draw power from high-producing photovoltaic devices and apply that power across low-producing photovoltaic devices. An embodiment is a...
US20140167513 Systems Approach To Photovoltaic Energy Extraction  
Described is a method and apparatus for per-panel photovoltaic energy extraction with integrated converters. Also described are switched-capacitor (SC) converters have been evaluated for many...
US20120098336 Fuel Cell Control Device and Method  
A method includes controlling multiple networked input-parallel/output-parallel inverters of a fuel cell system as a single inverter assembly by a master controller. A fuel cell system includes a...
US20140252864 PASSIVE TWO PHASE COOLING SOLUTION FOR LOW, MEDIUM AND HIGH VOLTAGE DRIVE SYSTEMS  
In an example embodiment, a cooling system is a pumpless passive system, and includes a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, where...
US20120080955 High Voltage Energy Harvesting and Conversion Renewable Energy Utility Size Electric Power Systems and Visual Monitoring and Control Systems for Said Systems  
A renewable energy, utility size electric power system is provided with a high voltage, renewable energy harvesting network connected by a direct current link to a centralized grid synchronized...
US20110198934 PHOTOVOLTAIC POWER SYSTEM  
A photovoltaic power system comprising: a plurality of photovoltaic power units each of which includes: a solar battery unit in which high-voltage output solar battery modules are connected in...
US20100264744 Solar Inverter Having a Plurality of Individual Inverters Connected In Parallel And Having a Primary Electronic Control Unit  
A solar inverter comprising a plurality of individual inverters connected in parallel and each having a power unit for converting a field voltage on the input side into a mains voltage on the...
US20100301676 SOLAR POWER GENERATION SYSTEM INCLUDING WEATHERABLE UNITS INCLUDING PHOTOVOLTAIC MODULES AND ISOLATED POWER CONVERTERS  
A power generation system including a plurality of isolated power converters and a plurality of first weatherable units is provided. Each of the isolated power converters includes a primary stage,...
US20130113293 Direct Current to Alternating Current Conversion Utilizing Intermediate Phase Modulation  
The systems, methods, and devices of the various embodiments provide a power converter that modulates the voltage to follow the envelope of the phase output such that the current may pass through...
US20130249300 High Voltage Energy Harvesting and Conversion Renewable Energy Utility Size Electric Power Systems and Visual Monitoring and Control Systems for Said Systems  
A renewable energy, utility-size electric power system is provided with a high voltage, renewable energy harvesting network connected by a direct current link to a centralized grid synchronized...
US20130162049 Reactive Energy Compensator and Method for Reducing the Associated Flickering Phenomenon  
A reactive energy compensator (10) comprising: an input DC voltage (Vc) bus (13) capable of providing reactive energy;an inverter (18) connected to the DC voltage bus (13) and including...
US20050173989 Selectable DC output power converter with voltage level indicating device  
A power conversion device includes a DC-to-DC conversion circuit that receives and processes a DC power input and supplies a DC output of a predetermined voltage level, an output connector...
US20140103727 ISLAND GRID POWER SUPPLY APPARATUS AND METHODS USING ENERGY STORAGE FOR TRANSIENT STABILIZATION  
A system includes at least one generator coupled to an island grid, at least one energy storage unit and at least one converter coupled to the at least one energy storage unit and configured to be...
US20130229060 MULTI POWER SUPPLY SYSTEM  
A multi power supply system includes a power supply, a power source, a control unit, a first conversion unit, and first and second switch elements. The control unit provides a timing signal...
US20090033156 EFFICIENT OPERATING POINT FOR DOUBLE-ENDED INVERTER SYSTEM  
Systems and methods are provided for controlling a double-ended inverter system coupled to a first energy source and a second energy source. The method comprises determining a constant power line...
US20120235498 AUTOMATIC VOLTAGE REGULATION FOR PHOTOVOLTAIC SYSTEMS  
A photovoltaic system includes solar cells and photovoltaic inverters configured to convert direct current generated by the solar cells to alternating current. Grid voltage at the point of...
US20110210613 POWER GENERATION FREQUENCY CONTROL  
A solar power generation system includes a control system and a DC to AC converter coupled to a photovoltaic (PV) module and for supplying power to a power network. The control system includes a...
US20150001947 METHODS AND APPARATUS FOR CONTROLLING POWER CONVERTERS IN PARALLEL CONNECTION  
An uninterruptible power supply (UPS) system (100) comprises a plurality of UPS units (UPS-1, UPS-2) connected in parallel. Each UPS unit comprises a power converter (124) for supplying a share (i...
US20140265607 System And Method For Loop-Based Direct Current Electrical Power Transmission System  
Electrical power is traditionally transmitted with high-voltage alternating current transmission lines. For some limited applications, high-voltage direct current is used to transmit electrical...
US20130169054 Prefabricated Solar Array System  
In one embodiment, a solar array system is described. The example solar array system is prefabricated as a single unit. The solar array system includes a plurality of solar panels. The solar...
US20130106194 INTEGRATED PHOTOVOLTAIC PANEL WITH SECTIONAL MAXIMUM POWER POINT TRACKING  
An integrated photovoltaic panel has one or more integral DC-DC converter circuits. The DC-DC converter input port couples to a section of at least one photovoltaic (PV) device of the panel...
US20150188314 METHODS AND SYSTEMS FOR SUBSEA DIRECT CURRENT POWER DISTRIBUTION  
A subsea power distribution module includes an outer vessel defining an interior chamber and a plurality of power modules disposed within the interior chamber. The outer vessel is configured to...
US20120223679 POWER CONVERSION DEVICE, POWER GENERATION SYSTEM AND CHARGE AND DISCHARGE CONTROL METHOD  
A power conversion device includes: a DC/DC convertor (5) that performs DC/DC conversion on an output voltage of a direct-current power supply (for example, a solar battery module (1)); and a...
US20140001870 POWER SUPPLY APPARATUS  
A power supply apparatus is provided. The power supply apparatus includes two power suppliers connected in parallel, and the two power suppliers supply electric power to an electronic product at...
US20090315403 POWER SUPPLY SYSTEM, VEHICLE PROVIDED WITH THE SAME, TEMPERATURE RISE CONTROL METHOD OF POWER STORAGE DEVICE, AND COMPUTER-READABLE RECORDING MEDIUM WITH PROGRAM RECORDED THEREON FOR CAUSING COMPUTER TO EXECUTE TEMPERATURE RISE CONTROL OF POWER STORAGE DEVICE  
During temperature rise control of a power storage device, a correction value calculation unit outputs a negative correction value when a voltage value exceeds an upper limit value. Thus, a duty...
US20130181530 Power Converter Circuit with AC Output  
A power converter circuit includes output terminals configured to receive an external voltage. A series circuit includes a number of converter units, each including input terminals configured to...
US20140021792 SOLAR POWER SYSTEM AND COMMUNICATION APPARATUS  
A solar power system includes at least one alternating-current module and a communication apparatus. Each alternating-current module includes a solar panel and an alternating-current inverter. The...
US20090314558 Voltage Conversion Apparatus and Vehicle Including the Same  
A voltage control portion generates a current command for controlling a voltage to an inverter input voltage command. A dividing portion divides the current command into first and second current...
US20140077611 CAPACITOR BANK, LAMINATED BUS, AND POWER SUPPLY APPARATUS  
A capacitor bank includes a laminated bus bar having a high potential conductive layer and a low potential conductive layer disposed in close proximity at opposing surfaces of an intervening...
US20140312704 ELECTRIC POWER CONVERTER SYSTEM WITH PARALLEL UNITS AND FAULT TOLERANCE  
The present invention relates to an electric energy conversion method and system with at least two conversion units (14), comprising control means (12) establishing the maximum output current of...
US20100277001 Systems, Methods, and Apparatus for Converting DC Power to AC Power  
Embodiments of the invention can provide systems, methods, and an apparatus for converting direct current (DC) power to alternating current (AC) power. According to one embodiment, a system for...
US20090284079 APPARATUS AND METHOD FOR CONTROLLING THE MOTOR POWER  
The invention concerns a power control apparatus and a method for supplying power between an electric machine and an energy source. The power control apparatus contains at least two converters...
US20090261658 Power supply system, vehicle having power supply system, and control method of power supply system  
A discharge distribution ratio calculating unit calculates a discharge distribution ratio, according to the ratio between an amount of electric power allowed to be discharged from a first storage...
US20130153752 ELECTRONIC DEVICE  
An electronic device according to one or more embodiments of the invention comprises a plurality of first output lines and a plurality of current to voltage convertors. Current signals from a...
US20110057516 THREE PHASE POWER GENERATION FROM A PLURALITY OF DIRECT CURRENT SOURCES  
A direct current to pulse amplitude modulated (“PAM”) current converter, denominated a “PAMCC”, is connected to an individual source of direct current. The PAMCC receives direct current and...