| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 03/17/2011 | US20110062795 Integral stack columns |
| 03/17/2011 | US20110062786 Electric power generating system for multiple sources and interface to an ac grid |
| 03/17/2011 | US20110062783 Portable Electronic Device |
| 03/17/2011 | US20110062780 Power distribution unit with support for human interface and communication |
| 03/17/2011 | DE202010016992U1 Steuereinheit zur Pufferung elektrischer Energie an der Hausverteilung Control unit for buffering electrical energy to the household distribution |
| 03/17/2011 | DE102009040745A1 Verfahren zur Regelung von Stromrichtern und Anordnung zur Durchführung des Verfahrens The method for controlling power converters and arrangement for performing the method |
| 03/17/2011 | DE102009035166A1 Verfahren zum Betreiben eines elektrischen Energieversorgungsnetzes Method for operating an electrical power supply system |
| 03/17/2011 | CA2773994A1 Multi-terminal power conversion device, multi-terminal power transfer device, and power network system |
| 03/17/2011 | CA2771920A1 Power transmission and distribution systems |
| 03/16/2011 | EP2296247A2 Separate network and method for operating a separate network |
| 03/16/2011 | EP2296246A2 Method and system for demand response in a distribution network |
| 03/16/2011 | EP2296244A1 Method and device for connecting at least one string of a photovoltaic assembly with an inverter |
| 03/16/2011 | EP2294687A1 Battery energy source arrangement and voltage source converter system |
| 03/16/2011 | EP2294684A1 A plant for transmiitting electric power |
| 03/16/2011 | EP2294672A2 Method and system for operating a wind power plant comprising a number of wind turbine generators |
| 03/16/2011 | EP2294671A1 Apparatus and method for transmission line control |
| 03/16/2011 | EP2294670A1 Methods and devices for supervising the electrical power consumed at each instant |
| 03/16/2011 | EP2294495A1 Voltage regulation system |
| 03/16/2011 | EP2145371B1 Power station for power transmission to remotely located load |
| 03/16/2011 | CN201766494U Bypass circuit of chain link in high-voltage chained static synchronization compensator |
| 03/16/2011 | CN201766373U Power quality control device for distributed photovoltaic power grid |
| 03/16/2011 | CN201766372U Power quality integrated control device of traction power supply system |
| 03/16/2011 | CN201766371U Bridge type combination switch |
| 03/16/2011 | CN201766370U Modular power unit used for high voltage chain static reactive generator |
| 03/16/2011 | CN201766369U 10kV circuit four-remote reactive compensation system |
| 03/16/2011 | CN201766368U Low-voltage reactive power compensation device |
| 03/16/2011 | CN201766367U Active power filtering circuit |
| 03/16/2011 | CN201766366U Modular three-phase three-wire active power filter |
| 03/16/2011 | CN201766365U Special current transformer for modular three-phase and three-wire active power filter |
| 03/16/2011 | CN201766364U Special converter for modularized three-phase four-wire active power filter |
| 03/16/2011 | CN201766363U Filter circuit |
| 03/16/2011 | CN201766362U Shipping shore power system |
| 03/16/2011 | CN101986552A Rotor current control method of double-fed wind driven generator under power grid faults |
| 03/16/2011 | CN101986501A Supercapacitor-based photovoltaic grid-connected inverter |
| 03/16/2011 | CN101986500A Flexible adjustment device for 10KV capacitor |
| 03/16/2011 | CN101986499A Intelligent low-voltage power capacitor |
| 03/16/2011 | CN101986498A Modular filter |
| 03/16/2011 | CN101986497A Control compensation system and control method of quality of electric energy of magnetic suspension train |
| 03/16/2011 | CN101986496A Method for forming islands of distribution system containing distributed power supply |
| 03/16/2011 | CN101552569B Synchronization inverter main circuit topology |
| 03/16/2011 | CN101534008B Method for reducing influence of voltage sag on electric equipment |
| 03/16/2011 | CN101510692B Reactive power compensating controller and method for switching capacitance |
| 03/15/2011 | US7906869 Outlet apparatus with power classification management |
| 03/15/2011 | US7906868 Fine tuned multiple output converter |
| 03/10/2011 | WO2011028895A2 Flywheel-based energy storage on a heave-compensating drawworks |
| 03/10/2011 | WO2011026901A1 Energy storage systems |
| 03/10/2011 | WO2011008505A3 High speed feedback adjustment of power charge/discharge from energy storage system |
| 03/10/2011 | WO2010136041A3 Method and system for controlling a wind power system comprising data processors synchronization |
| 03/10/2011 | WO2010129691A3 Voltage conservation using advanced metering infrastructure and substation centralized voltage control |
| 03/10/2011 | WO2010081165A8 Nested, hierarchical resource allocation schema for management and control of an electric power grid |
| 03/10/2011 | US20110057516 Three phase power generation from a plurality of direct current sources |
| 03/10/2011 | US20110057511 Device for disconnecting at least one appliance from the electrical mains, which provides at least one override operating mode, a configurable device, system and configuration method |
| 03/10/2011 | DE102009040091A1 Inseleinheit eines Inselenergienetzes zum Kommunizieren von Energieanfragen mit einer weiteren Inseleinheit Island unit of a power grid for communicating energy inquiries with another island unit |
| 03/10/2011 | DE102009040090A1 Inseleinheit für ein Energienetz mit einer Steuereinheit zum Steuern eines Energieflusses zwischen der Energieerzeugungseinheit, der Energiespeichereinheit, der Lasteinheit und/oder dem Energienetz Island unit for a power network with a control unit for controlling an energy flow between the power generation unit, the energy storage unit, the load unit and / or the power network |
| 03/10/2011 | CA2776138A1 Flywheel-based energy storage on a heave-compensating drawworks |
| 03/09/2011 | EP2293410A2 Energy control device for an energy network with a control unit for controlling an energy flow between the energy generator, the energy storage unit, the load unit and/or the energy network |
| 03/09/2011 | EP2293409A2 Isolated unit of an isolated energy network for communicating energy requests to a further isolated unit |
| 03/09/2011 | EP2293408A2 Power control apparatus and method thereof |
| 03/09/2011 | EP2293407A1 Power transmission and distribution systems |
| 03/09/2011 | EP2293406A1 Energy storage systems |
| 03/09/2011 | EP2293345A2 Pyro fuse with varistor control for separating an inverter from a photovoltaic assembly |
| 03/09/2011 | EP2291896A1 Electricity control apparatus |
| 03/09/2011 | EP2225812B1 Frequency sensitive lighting control device |
| 03/09/2011 | CN201758293U Intelligent distributed electric power station for new energy resources |
| 03/09/2011 | CN201758292U High voltage active dynamic reactive and harmonic compensation device |
| 03/09/2011 | CN201758291U Pulverizer energy-saving device |
| 03/09/2011 | CN201758290U Automatic delay protecting local compensator |
| 03/09/2011 | CN201758289U Dynamic reactive local compensation and frequency control integration energy-saving device of an asynchronous motor |
| 03/09/2011 | CN201758288U 10kV dynamic voltage restorer based on power mould cascade connection |
| 03/09/2011 | CN201758287U Low-voltage active power filter |
| 03/09/2011 | CN201758286U Hybrid power filter reactive compensation device |
| 03/09/2011 | CN201758285U Single-phase and three-phase parallel-connection type straight half-bridge active electric filter without bridge arm |
| 03/09/2011 | CN201758284U Active power filter based on hysteresis control |
| 03/09/2011 | CN201758283U Active power filter based on SPWM half-wave frequency doubling control |
| 03/09/2011 | CN201758282U 滤波控制器 Filter controller |
| 03/09/2011 | CN201758281U Extension socket capable of realizing self locking when in power failure |
| 03/09/2011 | CN201758280U Novel type energy networking system |
| 03/09/2011 | CN101984535A Grid connection controller for small generator set |
| 03/09/2011 | CN101984534A Multi-functional dynamic reactive power compensation device for micro-power grid and control method thereof |
| 03/09/2011 | CN101984533A Method for assessing power distribution reliability of large-scale medium-voltage distribution network based on modes |
| 03/09/2011 | CN101505129B Synthetic regulating apparatus for digital hydro-turbo generator set and control method thereof |
| 03/09/2011 | CN101354957B Large-capacity double-body pressure-regulating phase-shifting transformer |
| 03/09/2011 | CN101351381B Method for operating an energy system of a ship and energy system suitable therefore |
| 03/09/2011 | CN101069334B High-voltage direct-current transmission device |
| 03/09/2011 | CA2714820A1 Power converter system and method |
| 03/09/2011 | CA2678263A1 Hybrid conditioner for a power system |
| 03/08/2011 | US7902966 Microcontroller for controlling an actuator |
| 03/08/2011 | US7900361 Current bypass for distributed power harvesting systems using DC power sources |
| 03/08/2011 | CA2714531A1 Power meter with transfer switch |
| 03/03/2011 | WO2011024769A1 Power system demand control equipment, demand control program and recording medium |
| 03/03/2011 | WO2011024668A1 Engine system |
| 03/03/2011 | WO2011024374A1 Power conditioner for photovoltaic power generation |
| 03/03/2011 | WO2011024366A1 Utilization-time changing support device, and method therefor |
| 03/03/2011 | WO2011024167A1 System and method for controlling voltage, useful for controlling the voltage at the user site |
| 03/03/2011 | WO2011023678A2 Power grid for an aircraft, and method for operating the power grid |
| 03/03/2011 | WO2010144584A3 Interconnection switching system and method for connecting a distributed energy resource to an electrical power system |
| 03/03/2011 | WO2009034420A3 Power system and control method thereof |
| 03/03/2011 | US20110051325 Power supply system |
| 03/03/2011 | US20110049994 Wind farm having a plurality of wind energy installations |
| 03/03/2011 | US20110049991 Uninterruptible power supply apparatus |