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US20100270864 GENSET SYSTEM WITH ENERGY STORAGE FOR TRANSIENT RESPONSE  
A power generating system having a variable speed genset is provided. The variable speed genset includes an engine and a variable speed generator. The variable speed generator is mechanically...
US20140040642 POWER SUPPLY APPARATUS, PROCESSING APPARATUS, AND INFORMATION PROCESSING SYSTEM  
Each of the power supply units in a power supply apparatus includes a voltage conversion circuit that converts input voltage into output voltage within a predetermined voltage range an output...
US20130328406 CONTROL SYSTEM FOR SOLAR POWER CONVERSION UNIT, CONTROL METHOD FOR THE UNIT, AND SOLAR POWER GENERATION SYSTEM  
A system for controlling a solar power conversion unit includes a power detecting section configured to detect output power of at least one solar cell, an insolation amount inputting section to...
US20100164288 DISTRIBUTED MULTIPHASE CONVERTERS  
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...
US20120091817 SYSTEM, METHOD, AND APPARATUS FOR AC GRID CONNECTION OF SERIES-CONNECTED INVERTERS  
A system, method and apparatus are disclosed for converting DC power to AC power. The system includes a master controller that couples to a phase of a power distribution system and provides a...
US20120049637 Methods and Systems for Operating a Power Generation System  
A photovoltaic (PV) power generation system is described. The system includes a plurality of PV collector units that include at least one PV cell and a collector-side single-phase inverter. The...
US20100141041 DC-TO-AC POWER CONVERSION SYSTEM AND METHOD  
A system, in one embodiment, includes a photovoltaic power converter. The photovoltaic power converter includes one or more photovoltaic arrays configured convert solar energy into a DC signal and...
US20130257156 HYBRID ENERGY CONVERSION DEVICE  
A piezoelectric-photovoltaic hybrid structure is described, having a plurality of superposed layers including a photo voltaic layer and a piezoelectric substrate. A method of forming such a...
US20100272463 IMAGE FORMING APPARATUS AND HIGH VOLTAGE GENERATING POWER SUPPLY  
An image forming apparatus includes, an image forming unit, an irradiating unit, a first low voltage power supply which generates a first low voltage, a first low voltage power supply line, a...
US20120038217 CONTROLLER APPARATUS WITH MAXIMUM POWER POINT TRACKING FOR CONTROLLING AN ELECTRIC POWER GENERATION SYSTEM BASED ON PHOTOVOLTAIC SOURCES, CONTROLLING METHOD AND RELATED ELECTRIC POWER GENERATION SYSTEM  
Controller apparatus with MPPT tracking for controlling an electric power generation system comprising two identical sub-sections of a photovoltaic field, connected to two respective identical...
US20130026842 Enhanced System and Method for String-Balancing  
Apparatuses and methods for configuring and managing solar panels to form strings of photovoltaic energy generators with improved performance and reduced cost. The photovoltaic energy generators...
US20120019074 METHODS AND APPARATUS FOR HIGH-FREQUENCY ELECTRICAL POWER COLLECTION AND TRANSFER  
Methods and apparatus for supplying power to an electrical line or grid by using high-frequency alternating current (HFAC) are provided herein. In some embodiments, an apparatus for collecting and...
US20100283326 APPARATUS AND METHOD FOR CONTROLLING A POWER SUPPLY  
In an electrical power supply having a plurality of switching power converter circuits and configured to supply a voltage to an electrical load, a method of controlling a duty cycle of at least...
US20100133913 CONTROL DEVICE AND CONTROL METHOD FOR ELECTRIC SYSTEM  
An electric system including a first converter and a second converter connected in parallel executes a program including a step of controlling a value of a voltage of a section between the first...
US20100224428 POWER SUPPLY DEVICE AND VEHICLE INCLUDING THE SAME, CONTROL METHOD FOR POWER SUPPLY DEVICE, AND COMPUTER-READABLE RECORDING MEDIUM HAVING PROGRAM FOR CAUSING COMPUTER TO EXECUTE THAT CONTROL METHOD RECORDED THEREON  
When request power required of a power supply device by a driving force generation unit is close to zero, a converter ECU controls first and second converters to prohibit respective amounts of...
US20100191987 Semiconductor device using plural external voltage and data processing system including the same  
To provide a first internal voltage generating circuit that generates an internal voltage based on a first external voltage and a second internal voltage generating circuit that generates the...
US20100156192 ELECTRICAL SYSTEM AND CONTROL METHOD  
A power generation system comprises at least two electrical systems connected at an electrical connection point. Each electrical system comprises a power conversion system comprising a converter...
US20170187189 FAULT RIDE-THROUGH AND POWER SMOOTHING SYSTEM  
The fault ride-through and power smoothing system includes a buck converter for Maximum Power Point Tracking (MPPT) of a PV array power system, a buck-boost converter to connect a supercapacitor...
US20170170733 REDUNDANT POWER SUPPLY APPARATUS  
A redundant power supply apparatus includes at least two power inlets, at least two power supply units, and a common component. Each power inlet is connected to an AC power source. Each power...
US20170170663 ARRANGEMENT AND INSTALLATION FOR TRANSMITTING ELECTRIC POWER WITH A RESERVE RECTIFIER  
An arrangement having a first group of rectifiers, which form a series circuit on the DC voltage side and which can be connected to a first AC voltage network, and having a reserve rectifier that,...
US20170170662 Parallel-Connected Solar Panel Array System with Split Inverter  
A solar panel array system comprising one or more groups of panels, the panels within each group being connected in parallel with each other, and a two-stage split solar inverter. The split...
US20170163043 SYSTEM AND METHOD FOR INTEGRATING ENERGY STORAGE INTO MODULAR POWER CONVERTER  
A system for integrating energy storage into a modular power converter includes at least one energy storage unit coupled to a first converter for converting a first direct current (DC) voltage of...
US20170141569 CASCADED MULTILEVEL CONVERTER SELF-TEST SYSTEM AND SELF-TEST METHOD FOR THE SAME  
A cascaded multilevel converter self-test system and a self-test method for the cascaded multilevel converter self-test system are provided. The self-test system includes a cascaded multilevel...
US20170133857 SINGLE-STAGE PHOTOVOLTAIC GRID-CONNECTED INVERTER AND CONTROL METHOD AND APPLICATION THEREOF  
A grid-connected single-stage photovoltaic inverter is provided, which includes a direct current (DC) to alternating current (AC) inverter circuit, a DC to DC voltage booster circuit and a bypass...
US20170126010 POWER CONVERTER SYSTEM FOR RENEWABLE ENERGY SOURCES  
A converter system for interconnecting renewable energy sources with a DC distribution bus comprises a converter unit which comprises an isolated DC-to-DC converter connectable to the renewable...
US20170117715 CONTROLLING REDUNDANT POWER SUPPLIES IN AN INFORMATION HANDLING SYSTEM  
A power supply system comprises a first power supply including a first converter for providing a first output voltage and a first micro-controller coupled to a first switch. The first switch is...
US20170104334 SOLAR POWER CONVERSION SYSTEM AND METHOD  
A solar power conversion system includes a photovoltaic array having photovoltaic modules for generating direct current (DC) power. A power converter is provided in the system for converting the...
US20170104333 SOLAR POWER CONVERSION SYSTEM AND METHOD  
A solar power conversion system includes a photovoltaic array having photovoltaic modules for generating direct current (DC) power. A power converter in the system converts the DC power to...
US20170093284 CONTROL DEVICE OF POWER SUPPLY SYSTEM AND POWER SUPPLY UNIT  
A control device is applied for a power supply system that includes two boost converters. The two boost converters boosts inputted direct-current voltages to predetermined output voltages and...
US20170093165 Universal Power Converter Having Variable Voltage Capability and Method Therefor  
A power supply includes an LLC resonant power converter to provide a first reference signal having a first voltage. The power supply also includes a DC-DC power converter to provide a second...
US20170093157 ENERGY STORAGE SYSTEM WITH DUAL-ACTIVE-BRIDGE CONVERTER  
An energy storage device includes: a number of cells; and a dual-active-bridge converter connected to the cells, wherein the cells are floating relative to the system and are galvanically isolated...
US20170093156 SCALABLE AND FLEXIBLE CELL-BASED ENERGY STORAGE SYSTEM  
An energy storage system includes: a grid tie unit comprising at least one DC/AC converter; and multiple pods connected to the grid tie unit, each pod including: a number of cells; and a power...
US20170077711 Device and Method for Controlling Decentralized Power Generation Plants  
The invention provides a method for controlling decentralized power generation plants. The method comprises the steps of receiving control commands and/or measuring supply network parameters,...
US20170077709 PV SYSTEM HAVING DISTRIBUTED DC-DC CONVERTERS  
A solar energy field having one or more solar energy assemblies is provided. The solar energy assemblies can each have a DC-DC converter which when used with a central converter maintains line...
US20170077707 METHOD AND APPARATUS FOR IMPEDANCE MATCHING IN VIRTUAL IMPEDANCE DROOP CONTROLLED POWER CONDITIONING UNITS  
A method and apparatus for setting a virtual impedance ratio of a power conditioning unit (PCU). In one embodiment, the method comprises applying a disturbance to a virtual AC voltage of a power...
US20170070051 SYSTEM, METHOD AND APPARATUS FOR GENERATING LAYOUT OF DEVICES IN SOLAR INSTALLATIONS  
For an array of installed energy harvesting devices, a method of gathering information about individual devices in the array and generating a layout or map of the installed devices based on the...
US20170054298 Multilevel Inverter Device and Method  
An inverter comprises a first boost apparatus having an input coupled to a positive dc bus, a second boost apparatus having an input coupled to a negative dc bus, a first switch coupled to an...
US20170036550 POWER SUPPLY SYSTEM  
A power supply system is for supplying electric power to a load via a power supply line. The power supply system includes power storage device, a voltage converter, a switchgear, an abnormality...
US20170018932 PV INVERTER WITH MICRO/NANO-GRID INTEGRATION CAPABILITY  
Systems, methods, and devices relating to inverters. A control system for use with photovoltaic panel coupled inverters controls the function and operation of the inverter based on the voltage at...
US20170008415 POWER SUPPLY SYSTEM  
A power supply system includes a plurality of electrical storage devices, a distributor configured to distribute electric power between the plurality of electrical storage devices in a desired...
US20170008404 POWER SUPPLY SYSTEM  
A power supply system may include a first voltage converter provided between a first power storage device and a power feed line. The first voltage converter may include a first reactor, a first...
US20170005476 SOLAR POWER GENERATION SYSTEM HAVING A BACKUP INVERTER  
A solar power generation system having a backup inverter, the solar power generation system has N number of solar panels, N number of inverters, at least one backup inverter and at least one AC...
US20170005471 TRANSFORMERLESS POWER CONVERSION  
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for non-isolated power conversion. In one aspect, a method includes generating first and second...
US20160380436 Safety Methods and Apparatus for Adaptive Operation of Solar Power Systems  
Methods and apparatus may provide for the adaptive operation of a solar power system (3). Solar energy sources (1) and photovoltaic DC-DC power converters (2) may be interconnected in serial,...
US20160372927 Inter coupling of microinverters  
A number of DC-AC microinverters driven by separate photovoltaic sub-arrays are physically combined to use common components such as a common, common-mode choke. Each microinverter is controlled...
US20160365734 Protected Conversion Solar Power System  
Different systems to achieve solar power conversion are provided in at least three different general aspects, with circuitry that can be used to harvest maximum power from a solar source or...
US20160359332 POWER CONVERTER CIRCUIT WITH AC OUTPUT AND AT LEAST ONE TRANSFORMER  
A power converter circuit includes a synchronization circuit that is configured to generate at least one synchronization signal. A series circuit includes a number of converter units configured to...
US20160359326 TRANSIENT IMPEDANCE TRANSFORMER BASED ON AC VOLTAGE REGULATING ELECTRONIC SWITCH  
A superposition principle of waveform based on conceptions of waveform continuity and flexible regulation of voltage proposes three concepts, respectively being flexible AC transformation,...
US20160344212 POWER GENERATION SYSTEM OF RENEWABLE-ENERGY-BASED ELECTRIC POWER GENERATOR AND DC POWER SOURCE COMBINER PROVIDED WITH REVERSE CURRENT PREVENTION DEVICE CAPABLE OF PREVENTING POWER LOSS IN POWER GENERATION SYSTEM  
Disclosed is a power generation system provided with a renewable-energy-based electric power generator, capable of efficiently and stably outputting electric power at a predetermined power amount....
US20160344191 CONTROL TECHNIQUES FOR PHOTOVOLTAIC POWER PLANTS  
A photovoltaic power plant includes solar cells and inverters that convert direct current generated by the solar cells to alternating current. The reactive powers generated by the inverters are...