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US20120043822 MODULAR ELECTRICAL ACCUMULATOR UNIT  
A modular electrical accumulator unit includes multiple electrical accumulator unit modules, which are operated in conjunction with each other to form a single electrical accumulator unit.
US20150188317 POWER CONVERSION SYSTEM FOR A MULTI-STAGE GENERATOR  
An electric power generation system is provided, including a generator having a plurality of stages engaged by a prime mover; and a plurality of branches for connecting the stages to an electrical...
US20120049636 SYSTEM AND METHOD FOR DISTRIBUTION OF INVERTER VAR SUPPORT  
Power inverters are controlled in response to reactive power support commands received from a power grid such that at least one power inverter provides reactive power to the power grid. The...
US20130002031 Enclosure and Message System of Smart and Scalable Power Inverters  
An enclosure design is disclosed to accommodate and support the unique features and capabilities of the Smart and Scalable Power Inverters or Mini-Inverters that have multiple input channels to...
US20100295377 POWER GENERATOR DISTRIBUTED INVERTER  
A power generator configuration having a distributed inverter. A system is described that includes a plurality of solar modules coupled together in series to form a string; a plurality of combiner...
US20140252862 Maximizing Power Production at Low Sunlight by Solar Power Mini-Inverters  
A method and apparatus is disclosed for maximizing power production for solar power systems when there is low sunlight during sunrise, sunset, clouding, partial shading, and other low irradiance...
US20110012364 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...
US20150226185 WIND FARM  
The invention concerns a wind farm for generating electrical energy from wind, including at least 2 wind turbines for producing the electrical energy and a collective injection device for...
US20120319495 Power Inverter with Multi-Fed On-Board Power Supply  
An inverter includes a DC/AC converter connectable to a DC power grid, at least one DC/DC converter arranged upstream of the DC/AC converter and providing a galvanic isolation, and a DC voltage...
US20120313443 SMART AND SCALABLE OFF-GRID MINI-INVERTERS  
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 supply power for...
US20140232196 POWER CONDITIONING CIRCUIT TO MAXIMIZE POWER DELIVERED BY A NON-LINEAR GENERATOR  
A circuit receives variable voltage and current from a renewable power source and optimally loads the source to maximize power delivered into a DC bus having constant voltage. A boost circuit and...
US20120221159 WIND TURBINE  
A wind turbine is provided. The wind turbine includes a generator generating an amount of electric power, and at least two electrical converter units, with each electrical converter unit being...
US20130099580 SOLAR POWER PLANT WITH INCREASED OPERATING LIFE  
The invention relates to an arrangement having at least one electric potential-varying device for varying the electric potential of at least one electrical device with respect to earth potential,...
US20140175889 POWER EXTENDING BOARD AND POWER SUPPLY SYSTEM USING SAME  
A power supply system includes a power source and a power extending board detachably connected between the power source and an electronic device. The power source includes at least two outputs....
US20120306277 WIND TURBINE CONTROLLER APPLYING DIFFERENTIAL POLE CONTROL ALGORITHM  
The present invention relates to a control system and an associated method for controlling an amount of reactive power delivered from a wind power plant to an associated power supply grid, the...
US20110102996 POWER ARCHITECTURE TO PROVIDE POWER SUPPLY REDUNDANCY  
Systems and methods that provide power redundancy to a computer system without increasing the number of independent power supplies used. A system having N computing modules may have power...
US20130069438 SYSTEM AND METHOD FOR MAXIMIZING POWER OUTPUT OF PHOTOVOLTAIC STRINGS  
A PV system includes a plurality of PV strings each having an optimal string voltage at which a string output power is maximized. The PV strings are connected to a DC link in a parallel...
US20130106196 MASTER-SLAVE ARCHITECTURE FOR CONTROLLING OPERATION OF PHOTOVOLTAIC POWER PLANTS  
A photovoltaic power plant with master-slave control architecture. The photovoltaic power plant includes slave plant controllers, with each slave plant controller controlling operation of...
US20150236589 POWER CONDITIONER AND METHOD OF CONTROLLING POWER CONDITIONER  
A power conditioner enables efficient and stable use of generated power during autonomous operation. During autonomous operation in which the power conditioner is disconnected from a power grid...
US20130234520 MODULAR ENERGY PORTAL WITH AC ARCHITECTURE FOR HARVESTING ENERGY FROM ELECTRICAL POWER SOURCES  
A modular energy harvesting portal including a housing with a bay, a plurality of inverters, a controller, and an AC bus. A first inverter has a first DC input, a first AC output, and a first...
US20140306543 Power Factor Adjustment in Multi-Phase Power System  
A multi-phase power generation system for renewable energy, in which reactive elements (i.e., capacitors and/or inductors) can be selectively switched in and out in order to meet a particular...
US20110049994 WIND FARM HAVING A PLURALITY OF WIND ENERGY INSTALLATIONS  
The invention relates to a wind power plant (4) which consists of a nacelle (12) arranged on a tower (14), a rotor (28), a generator (16), a power converter (20) on the generator side, a power...
US20120139351 SYSTEM AND METHOD FOR INTEGRATING WIND POWER GENERATION WITH WAVE POWER GENERATION  
A system for integrating a wind power generation with a wave power generation includes a wind power generation device, a wave power generation device and a power integration device. The wind power...
US20140252863 ALTERNATING CURRENT (AC) SYNCHRONIZATION FOR LOAD RESTORATION  
Among other things, one or more techniques and/or systems are provided for synchronizing one or more direct current (DC) to alternating current (AC) power sources (e.g., a DC power source coupled...
US20110012430 SMART AND SCALABLE POWER INVERTERS  
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...
US20140028104 SYSTEMS AND METHODS FOR PHOTOVOLTAIC MICRO-INVERTER POWER HARVESTING EFFICIENCY INCREASE IN SHADED CONDITIONS  
A method and system are disclosed for producing electricity from solar radiation using a solar panel that efficiently produces electricity and is protected against cell burnout in partial shaded...
US20130140903 COMPACT DYNAMIC PHASE ANGLE REGULATORS  
Compact dynamic Phase Angle Regulators (CD-PARs) are provided. A Compact Dynamic Phase Angle Regulator (CD-PAR) is a stand-alone device that regulates phase angle through a single transformer. A...
US20140008986 INVERTER SYSTEM  
In the present invention, first boosting circuits (41a to 41d) are interposed upon each of direct current power lines (La to Ld). The boosting ratios of the first boosting circuits (41a to 41d),...
US20120274146 ADVANCED CLOCK SYNCHRONIZATION CIRCUIT FOR SWITCH MODE POWER SUPPLIES  
In a switch mode power supply, a circuit and method for switching between an internal clock and an external synchronization clock when a stable external clock has been detected, and for switching...
US20140210275 PHOTOVOLTAIC POWER GENERATION SYSTEM INCLUDING APPARATUS AND METHOD TO BUFFER POWER FLUCTUATIONS  
A power generation system, apparatus and method to buffer power fluctuations are provided. At least one inverter (14) may be coupled to a photovoltaic power generator (10). The inverter may be...
US20140132076 SOLAR PHOTOVOLTAIC THREE-PHASE MICRO-INVERTER SYSTEM AND A METHOD FOR IMPROVING THE CONVERSION EFFICIENCY THEREOF  
The invention provides a solar photovoltaic three-phase micro-inverter system comprising a plurality of three-phase micro-inverters. Every three of the three-phase micro-inverters form a group and...
US20150115722 Control of a Plurality of Inverters Connected to a Common Grid Connection Point  
In order to control a plurality of inverters, which are connected on their input side to a current source each and on their output side to a common grid connection point, electrical variables are...
US20120212065 SCALABLE AND REDUNDANT MINI-INVERTERS  
The Scalable and Redundant Mini-inverters as described in this invention include double, triple, or quadruple redundant capabilities so that the Mini-inverters can work in a harsh environment for...
US20130334888 SOLAR PHOTOVOLTAIC THREE-PHASE MICRO-INVERTER AND SOLAR PHOTOVOLTAIC POWER GENERATION SYSTEM  
A solar photovoltaic three-phase micro-inverter comprises: DC terminals, coupled with three DC photovoltaic assemblies adjacent to each other; three single-phase inverter circuits having input...
US20140159497 UNIVERSAL POWER SUPPLY SYSTEM  
A universal power supply system allows each board mounted DC power module or each AC/DC power supply device therein having identical dimensions and appearance to further have a specification...
US20110285208 POWER SUPPLY METHOD WITH PARALLEL-CONNECTED BATTERIES  
A power supply method with parallel-connected batteries employs at least two parallel-connected power supply branches, each of which includes a battery, a step-up circuit, and a step-down circuit,...
US20130162047 Methods and Systems For Controlling An Intra-Plant Voltage Level  
A power plant coupled to, and configured to provide power to, an electrical grid, is described. The power plant includes a plurality of power converters electrically coupled to, and configured to...
US20140203654 SECONDARY BATTERY, SECONDARY BATTERY MODULE, METHOD FOR CHARGING THE SECONDARY BATTERY AND THE SECONDARY BATTERY MODULE, METHOD FOR DISCHARGING THE SECONDARY BATTERY AND THE SECONDARY BATTERY MODULE, METHOD FOR OPERATING THE SECONDARY BATTERY AND THE SECONDARY BATTERY MODULE, POWER STORAGE SYSTEM, AND METHOD FOR OPERATING THE POWER STORAGE SYSTEM  
Degradation of a secondary battery or the like is prevented. A reduction in the capacity of a secondary battery or the like due to charging or discharging is prevented. A secondary battery module...
US20120068547 ELECTRONIC MANAGEMENT SYSTEM FOR PHOTOVOLTAIC CELLS  
An electronic management system for a photovoltaic generator is disclosed herein. The, the electronic management system comprises a plurality of static microconverters, each microconverter being...
US20110127841 Smart virtual low voltage photovoltaic module and photovoltaic power system employing the same  
A smart virtual low voltage photovoltaic (PV) module is disclosed, including a PV module having one or more photovoltaic cells, configured to convert solar energy into DC power, and a DC/DC...
US20140021793 INVERTER SYSTEM FOR PHOTOVOLTAIC POWER GENERATION  
Provided is an inverter system capable of more economically and efficiently performing photovoltaic power generation by automatically switching an integrated operation and an independent operation...
US20110140535 POWER CONVERTING DEVICE FOR NEW RENEWABLE ENERGY STORAGE SYSTEM  
A power converting device for a new renewable energy storage system includes rechargeable batteries, bidirectional converters respectively connected in parallel to the batteries, direct current...
US20110227406 CONTROL METHOD FOR ELECTRICAL ACCUMULATOR UNIT  
A power generation system has a generator, a power converter, a power bus and an electrical accumulator. The electrical accumulator stores power when the generator generates excess power and...
US20110198847 DISTRIBUTED ELECTRICAL GENERATION SYSTEM  
A distributed electrical generation system includes a plurality of turbines, generators, diode bridges, transformers and high voltage diodes. The system further includes a HVDC-cable and a high...
US20120212066 Safety Mechanisms, Wake Up and Shutdown Methods in Distributed Power Installations  
A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in...
US20090224607 VARIABLE ROTOR SPEED WIND TURBINE, WIND PARK, METHOD OF TRANSMITTING ELECTRIC POWER AND METHOD OF SERVICING OR INSPECTING A VARIABLE ROTOR SPEED WIND TURBINE  
The invention relates to a variable rotor speed wind turbine transmitting AC electric power to a utility grid. The wind turbine includes at least one AC generator and at least one power electronic...
US20090189455 SOLID STATE POWER CONTROLLER (SSPC) USED AS BUS TIE BREAKER IN ELECTRICAL POWER DISTRIBUTION SYSTEMS  
The present invention provides an electrical power distribution system that includes a first primary distribution panel (PDP) connected to a first source of electrical power and a second PDP...
US20100007212 SOLAR INVERTER AND PLANT FOR CONVERTING SOLAR ENERGY INTO ELECTRICAL ENERGY  
There is described a plant (1) for converting solar energy into electrical energy, comprising a photovoltaic generator (2a) including at least one string (2) of photovoltaic modules (M), a pulse...
US20120007433 Dual-Source Converter  
Disclosed is a dual-source converter for a hybrid power supply. The converter includes a first power circuit, a second power circuit, an auxiliary circuit, an output circuit and a closed loop...
US20140152111 SYSTEM AND METHOD FOR CONTROLLING A POWER GENERATION SYSTEM  
A power generation system including photovoltaic modules for generating DC power and power converters coupled to the photovoltaic modules for converting the DC power to AC power is provided. The...