Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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01/31/2012 | US8106536 Universal power supply system |
01/31/2012 | US8106532 Illumination device of gradual dimming type after power interruption |
01/31/2012 | US8106531 Multi-output switching regulator and control method therefor |
01/27/2012 | CA2747585A1 Charging apparatus and portable power supply |
01/26/2012 | WO2012011436A1 Method for facilitating operation of ad-hoc energy exchange network, nomadic charging station (ncs) for facilitating operation of ad-hoc energy exchange network, and method for facilitating energy exchange between nomadic charging station (ncs) and energy consumer (ec) |
01/26/2012 | WO2012010353A1 Method and arrangement for capacitor bank protection |
01/26/2012 | WO2012010068A1 Topology of power-generation and grid-integration of transformerless hydraulic generator |
01/26/2012 | WO2012010063A1 H-bridge based transformerless wind power grid-connected topological structure |
01/26/2012 | WO2012010057A1 A transformerless inductive energy storage topology structure |
01/26/2012 | WO2012010056A1 Transformer-free battery energy storage topological structure |
01/26/2012 | WO2012010055A1 Topology for modular multilevel converter-based transformerless inductance energy-saving |
01/26/2012 | WO2012010054A1 Modular multilevel converter-based transformerless solar power inverter topological structure |
01/26/2012 | WO2012010053A1 Transformer-less static synchronous compensator (statcom) topological structure based on modular multilevel converter (mmc) |
01/26/2012 | WO2012010052A1 Mmc-based transformer-free wind power grid-connected topological structure |
01/26/2012 | WO2011061153A3 Tuning a power oscillation damping unit |
01/26/2012 | WO2011039284A4 Monitoring system and method for monitoring energy transfer between a first energy unit and a second energy unit |
01/26/2012 | WO2011020466A3 Power regulating system for solar power station |
01/26/2012 | US20120022707 Wide-area, real-time monitoring and visualization system |
01/26/2012 | US20120019073 Apparatus and system for power conversion |
01/26/2012 | US20120019062 Power head for above ground pools |
01/26/2012 | US20120019007 Method and apparatus for minimizing harmonic currents in a wind turbine park |
01/26/2012 | DE102010031645A1 Device for supplying electric current into electricity mains in e.g. building, has regulating device carrying out prioritization of supply of electric current based on level of compensation of current that is supplied into electricity mains |
01/25/2012 | EP2410645A1 Electronic conversion circuit for photovoltaic plants |
01/25/2012 | EP2410627A1 Electric power consumption micro-meter |
01/25/2012 | EP2409374A1 Battery-based power station |
01/25/2012 | EP2408669A2 A preconditioned air unit with variable frequency driving |
01/25/2012 | EP2145372B1 Method and device for determining load flow in an electrical supply grid |
01/25/2012 | CN202127381U Excitation device for synchro generator |
01/25/2012 | CN202127380U Excitation control unit of synchronous generator |
01/25/2012 | CN202127366U Traction converter with driving force removal devices |
01/25/2012 | CN202127252U Solar photovoltaic grid-connected generation system |
01/25/2012 | CN202127251U Wind-power power forecast system |
01/25/2012 | CN202127250U Transformerless unilateral inductive grid-connected inverting circuit |
01/25/2012 | CN202127249U Earthquake alarm household electronic power saver |
01/25/2012 | CN202127248U Electric energy optimizing device of power-driven drilling machine |
01/25/2012 | CN202127247U Discharge device for capacitor |
01/25/2012 | CN202127246U Fast switching capacitor box |
01/25/2012 | CN202127245U Comprehensive harmonic wave restraining system |
01/25/2012 | CN202127244U Current control type active harmonic control and active reactive power compensation device |
01/25/2012 | CN202127239U Crow bar protection device of double feed rectifier of wind power-generating system |
01/25/2012 | CN202126703U Wind power optimization scheduling plan system |
01/25/2012 | CN102334276A Device for regulating a double-fed asynchronous machine |
01/25/2012 | CN102334274A Converter |
01/25/2012 | CN102334261A Power control device and method |
01/25/2012 | CN102334257A Poly-phase reactive power compensator |
01/25/2012 | CN102334037A Emission factor calculator and emission factor calculation method |
01/25/2012 | CN102333670A Electric power regulating device for electric power feeding system |
01/25/2012 | CN102332729A Inverter parallel system based on zigbee technology |
01/25/2012 | CN102332728A System for controlling permanent magnet wind turbine generator set according to given power under full wind condition |
01/25/2012 | CN102332727A Method for outputting active power by using smoothing permanent-magnet direct-driving wind power generating system of direct-current-side flywheel energy storage unit |
01/25/2012 | CN102332726A Control method based on output of power grid line overload speed reduction unit |
01/25/2012 | CN102332725A High potential gate control device for series thyristor valve block in SVC (Static Var Compensator) |
01/25/2012 | CN102332724A Three-phase four-bridge-arm active power filter under one-cycle control |
01/25/2012 | CN102332723A Automatic resonance type electric power filtering and continuous reactive power compensation hybrid system |
01/25/2012 | CN102332722A Matched filtering compensation energy-saving complete device for rectifying transformer |
01/25/2012 | CN102332721A Method for predicting harmonic current of hybrid active power filter based on optimal linear prediction theory |
01/25/2012 | CN102332720A Line noise muffler |
01/25/2012 | CN102332719A Dynamic power flow control device for multi-frequency modulation based controllable transformer and control method thereof |
01/25/2012 | CN102332718A Method of operating a wind turbine, controller usable for operating a wind turbine, and wind turbine |
01/25/2012 | CN102328601A Energy-feedback tractive power supply system with high power factor and high cost performance |
01/25/2012 | CN101814737B Pressure regulating and capacitance regulating reactive power automatic compensation method |
01/25/2012 | CN101707366B Inter-wire superconducting current-limiting storage circuits |
01/25/2012 | CN101699695B Discharge energy-saving type compensating capacitor device |
01/25/2012 | CN101667732B Isolation transformer type multi-level voltage output mobile three-phase voltage-stabilizing power supply |
01/25/2012 | CN101593976B Method for constructing physical model of double circuit transmission lines on same tower |
01/25/2012 | CN101510695B Double fed asynchronous wind power generator rotor side parallel-in control method |
01/24/2012 | US8102665 Integrated circuit with intra-chip clock interface and methods for use therewith |
01/24/2012 | US8102144 Power converter for a solar panel |
01/24/2012 | US8102079 Dynamic voltage compensator used in three-phase power supply system |
01/24/2012 | CA2529135C System and method for transmitting electric power into a bore hole |
01/19/2012 | WO2012008392A1 Energy management system for houses |
01/19/2012 | WO2012008093A1 Monitoring control system for electrical power equipment |
01/19/2012 | WO2012006746A1 Bidirectional dc converter |
01/19/2012 | WO2012006735A1 Constructions for forming a housing |
01/19/2012 | WO2012006644A2 Method for planning and/or controlling an energy output to a consumer and/or an energy supply to an energy distribution network |
01/19/2012 | WO2011140111A3 Managing renewable power generation |
01/19/2012 | WO2010130615A3 Method and apparatus for the directional transmission of electricity in an electricity grid |
01/19/2012 | US20120013193 Uninterruptible power supply system |
01/19/2012 | US20120013175 Auxiliary battery system |
01/19/2012 | CA2805648A1 Method for planning and/or controlling an energy output to a consumer and/or an energy supply to an energy distribution network |
01/18/2012 | EP2408085A2 Methods for aircraft emergency power management |
01/18/2012 | EP2408084A2 No break power transfer with solid state power controls |
01/18/2012 | EP2408083A1 Autonomous distributed ac power system |
01/18/2012 | EP2408082A1 Integrated demand response for energy utilization |
01/18/2012 | EP2407996A2 Current sensing arrangement in an inverter |
01/18/2012 | EP2406863A1 System and method for real-time feeder reconfiguration for load balancing in distribution system automation |
01/18/2012 | EP2406862A1 Control device, reactive power compensator and method |
01/18/2012 | EP2406483A1 Energy supply system |
01/18/2012 | CN202121496U Automobile motor mutual-driving testing power source |
01/18/2012 | CN202121466U Energy saving motor |
01/18/2012 | CN202121383U Automatic voltage control system of regional electrical network |
01/18/2012 | CN202121363U Intelligent charger of energy-efficient automobile |
01/18/2012 | CN202121331U Intelligent multifunctional photovoltaic grid-connected inverter |
01/18/2012 | CN202121330U Wind power energy storage system |
01/18/2012 | CN202121329U 10 KV alternating current main reactive power compensation control device |
01/18/2012 | CN202121328U Integrated high voltage wattless automatic compensation unit |
01/18/2012 | CN202121327U Dynamic-filter reactive compensation cabinet |
01/18/2012 | CN202121326U Integrated intelligent variable capacitor |
01/18/2012 | CN202121325U Single phase voltage lifting appliance with intelligent control combination switch |
01/18/2012 | CN202121324U Dynamic harmonic wave inhibition and reactive compensation device |