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US20140191583 POWER BALANCING IN A MULTI-PHASE SYSTEM  
Some embodiments of the invention provide a method for balancing the power output to each phase of a set of micro-inverters. The method of some embodiments is performed by a gateway, which...
US20110006609 PHOTOVOLTAIC POWER SYSTEM  
A photovoltaic power system includes module strings each having photovoltaic modules connected in series. The power system further includes a generator terminal box having DC converters. The power...
US20130197704 DC CONNECTION SCHEME FOR WINDFARM WITH INTERNAL MVDC COLLECTION GRID  
Connection schemes for offshore power generation with an internal collection grid include a power generation system which includes a plurality of generator-rectifier subsystems. The scheme further...
US20120086281 WIRELESS POWER TRANSMISSION UNIT AND POWER GENERATOR WITH THE WIRELESS POWER TRANSMISSION UNIT  
A wireless power transmission unit includes oscillators that convert DC energy into RF energy with a frequency f0, power transmitting antennas, and power receiving antennas. Each power...
US20110160930 Power Point Tracking  
A local power converter may include a controller to manipulate the operating point of a local power converter to cause the power point tracking feature of a central power converter to operate at a...
US20110234008 Method for Smoothing Alternating Electric Current From a Number of Power Generating Units and Wind Power Plant Including a Number of Wind Mills with Variable Rotational Speed  
A method and a wind power plant are provided for smoothing alternating electric current from a number of power generators are provided. Generators are electrically connected to an electric...
US20130270903 POWER SUPPLY ARRANGEMENT FOR DISTRIBUTION OF POWER  
Power supply arrangement for distribution of power from a DC power source having a positive terminal and a negative terminal to at least a first and a second DC power consumer, comprising: a first...
US20130062958 Low Profile Power Conversion System for Rooftop Photovoltaic Power Systems  
The disclosed embodiments and principles provide a way to integrate high-efficiency, low-profile power electronics with localized maximum power point tracking (MPPT) into a rooftop shingle-based...
US20120293004 PARALLEL RUNNING CONTROL APPARATUS FOR INVERTER GENERATORS  
In a parallel running control apparatus for inverter generator A having first, second and third inverters adapted convert alternating current outputted from windings wound around an alternator...
US20140183960 PHOTOVOLTAIC POWER GENERATION SYSTEM  
A photovoltaic (PV) power generation system comprising an array of PV cell modules arranged in strings connected via secondary stage power efficiency optimizers to a central inverter is provided....
US20140292089 POWER CONVERTER CAPABLE OF OUTPUTTING A PLURALITY OF DIFFERENT LEVELS OF VOLTAGES  
The present invention relates to a power converter including a plurality of three-level inverters each capable of outputting three different levels of voltages, and a switch circuit for selecting...
US20110193515 SOLAR POWER MANAGEMENT SYSTEM  
A solar power management system is provided for managing electric energy conversion by a photovoltaic cell module, supplying the converted electric energy to an external load, and storing the...
US20120049833 Smart photovoltaic panel and method for regulating power using same  
According to one embodiment, a smart photovoltaic (PV) panel comprises a plurality of PV cell groups each including at least one PV cell. The smart PV panel also includes at least one serial boost...
US20130200714 MEDIUM VOLTAGE DC COLLECTION SYSTEM  
A power generation system includes at least one generator having at least two sets of stator windings, an active rectifier comprising power cell based modular converters associated with each set...
US20110304215 System for Use of Static Inverters in Variable Energy Generation Environments  
A system to collect energy from generation systems such as, for example, wind farms or solar farms with widely distributed energy-generation equipment. In some cases, static inverters are used to...
US20130069439 TRANSFORMERLESS CYCLOCONVERTER  
The invention relates to a transformerless cycloconverter for connecting a first three-conductor grid (50), in particular a three-phase grid, to a second three-conductor grid (51), in particular a...
US20140306533 VIRTUAL INVERTER FOR POWER GENERATION UNITS  
A gateway controller allows a plurality of individual power generation units coupled to an electrical distribution grid to be controlled in a coordinated fashion. The gateway controller allows...
US20120086282 Smart Cards  
A smart card includes an internal voltage generator, a clock generator, and an internal circuit. The internal voltage generator generates a first internal voltage and a second internal voltage...
US20130093251 REGULATOR DEVICE  
A regulator device includes: a plurality of regulators that are equipped in parallel between a power input terminal and a power output terminal and converts a power inputted from the power input...
US20140117769 MASTER SLAVE ARCHITECTURE FOR DISTRIBUTED DC TO AC POWER CONVERSION  
A solar module device with the master circuit generates the timing signal to synchronize each of the synchronized half wave rectified DC waveform generated by each of the slave circuits to a grid...
US20150028684 MULTI-CONNECTOR SPLICE BOX FOR COUPLING A PLURALITY OF POWER CONVERTERS  
Embodiments of the present invention are directed to a multi-connection splice box. In one embodiment, the multi-connection splice box comprises a first plug having a first plurality of plug pins...
US20150188315 METHODS AND SYSTEMS FOR SUBSEA DIRECT CURRENT POWER DISTRIBUTION  
A submersible power system includes at least one DC power source and at least one submersible power distribution system electrically coupled to the at least one DC power source. The at least one...
US20140015326 GRID-CONNECTED INVERTER, INVERTER ARRANGEMENT AND METHOD FOR OPERATING AN INVERTER ARRANGEMENT  
A grid-connected inverter for feeding current via a transformer into an electric power grid includes an output bridge arrangement that is actuated via a pulse width modulator, wherein a periodic...
US20130300201 POWER CENTER  
A power center includes a main body of which a top surface defines a plurality of receiving cavities. A plurality of different standards of adapter sockets is equipped in the main body and each is...
US20110062786 ELECTRIC POWER GENERATING SYSTEM FOR MULTIPLE SOURCES AND INTERFACE TO AN AC GRID  
An electric power generating system includes a plurality of variable power sources including at least one source of DC power and at least one source of AC power. Converters convert power supplied...
US20120306278 Voltage Regulation Of A DC/DC Converter  
Power system includes at least one power source and a DC/DC converter with an input coupled to the power source, and an output coupled to a load, for allowing power transfer from the power source...
US20120175963 Distributed Power Harvesting Systems Using DC Power Sources  
A system and method for combining power from DC power sources. Each power source is coupled to a converter. Each converter converts input power to output power by monitoring and maintaining the...
US20090160258 Advanced Renewable Energy Harvesting  
The power of DC electrical sources is combined onto a DC buss, such that each source behaves independently from any other source attached to the buss. In one embodiment, a converter module is...
US20100301677 Photovoltaic Power Generation System and Photovoltaic Power Generation Device  
It is an object to obtain a photovoltaic power generation system. A photovoltaic power generation system includes multiple solar cell modules each having a different band gap and step-up voltage...
US20120223584 Novel Solar Panel String Converter Topology  
The inventive technology, in certain embodiments, may be generally described as a solar power generation system with a converter, which may potentially include two or more sub-converters,...
US20110127838 POWER CONVERTER  
A power converter includes an inverter circuit for superimposing a generated voltage on an AC input voltage, a diode bridge full-wave rectifying circuit connected to the inverter circuit,...
US20140363881 MODULAR ADJUSTABLE PULSE GENERATOR  
A pulse generation system for applying electric pulses across a load includes a first plurality of energy storage modules connected in series on a positive chain and configured to apply a positive...
US20120187768 LOW FILTER CAPACITANCE POWER SYSTEMS, STRUCTURES, AND PROCESSES FOR SOLAR PLANTS  
DC to DC converters are connected in parallel to a DC buss that is input to a DC to AC inverter module. Each of the DC to DC converters receives input from one or more DC electrical sources. The...
US20130181532 HIGH-VOLTAGE POWER CONVERTER  
The present invention relates to a high-voltage power converter comprising a number of controllable switching valves, each switching valve comprising a plurality of series connected switching...
US20130285460 POWER ADAPTER HAVING PROGRAMMABLE GAIN COMPENSATION TRIM  
A power adapter to supply power at an output. The power adapter has a programmable gain compensation trim function. In some examples, the gain compensation trim function is a negative gain...
US20150069844 POWER STORAGE MODULE AND POWER STORAGE DEVICE  
A power storage module and a power storage device are disclosed. The power storage module and the power storage device include a DC/AC converter, a first power storage element, a second power...
US20110084557 MAXIMUM POWER POINT TRACKING SOLAR POWER SYSTEM  
A solar power system includes a number of solar panels, a bus, and a DC-AC inverter. Each of the solar panels includes a plurality of photovoltaic chips and a DC-DC converter wherein the...
US20120112541 HIGH-CONCENTRATION PHOTOVOLTAIC GENERATING MODULE  
A structural module (11) for the high-concentration single-reflection photovoltaic generation, comprising a plurality of devices concentration of solar radiation (RS), which include relative...
US20140091630 MEDIUM VOLTAGE DC COLLECTION SYSTEM WITH POWER ELECTRONICS  
A power generation system includes at least one generator that generates a medium voltage direct current that has a positive DC voltage output and a negative DC voltage output. The system also...
US20130307342 Photovoltaic System Power Optimization  
An example system may comprise at least one solar panel including a plurality of photovoltaic cells, wherein the photovoltaic cells are grouped into at least a first group of cells and a second...
US20110148213 380 VOLT DIRECT CURRENT POWER DISTRIBUTION SYSTEM FOR INFORMATION AND COMMUNICATION TECHNOLOGY SYSTEMS AND FACILITIES  
A method and a modular direct current power distribution system. A distribution panel may receive alternating current power with a voltage range between 200 volts and 15000 volts. A modular...
US20130127251 Circuit Arrangement Including a Multi-Level Converter  
Disclosed is a circuit arrangement including at least one multi-level-converter.
US20110198936 Circuit Arrangement Including a Multi-Level Converter  
Disclosed is a circuit arrangement including at least one multi-level-converter.
US20120248880 System For The Electronic Management Of Photovoltaic Cells As A Function Of Meteorology  
The invention relates to a system for the electronic management of a photovoltaic generator, said system comprising a plurality of n static converters (11, 12, 13) connected in parallel, each...
US20120187767 POWER GENERATION SYSTEM, POWER GENERATING MODULE, MODULE FIXING DEVICE AND METHOD FOR INSTALLING POWER GENERATION SYSTEM  
A power generation system includes power generating modules, and a module fixing device configured to fix the power generating modules. Each power generating module includes a power generating...
US20150171766 Control of Leakage Currents in Systems with a Plurality of Parallel Inverters  
There is described an electrical energy conversion system comprising: at least a first inverter (1) and at least a second inverter (2), whose outputs are connected in parallel; at least a first DC...
US20100133816 Power Converter For Use With Wind Generator  
In one embodiment, the present invention includes a turbine to generate mechanical energy from kinetic energy, a generator coupled to the turbine to receive the mechanical energy and to output...
US20140306544 PHOTOVOLTAIC SYSTEM WITH BIASING AT THE INVERTER  
A photovoltaic system for converting a DC voltage from a photovoltaic generator into an AC voltage, includes a transformerless power inverter which comprises high-frequency-clocked switching...
US20120161528 Solar Photovoltaic Systems  
Improved techniques for photovoltaic power generation are described. Inverter failure is can be a significant problem in solar photovoltaic systems as it can lead to loss of opportunity to harvest...
US20140015325 Systems for Optimized Solar Power Inversion  
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...