| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/12/2008 | US20080140327 Method For Controlling the Electrical Energy Quality in an Electrical Power Supply System |
| 06/12/2008 | US20080137382 Collection and transmission system |
| 06/12/2008 | US20080136265 Power conversion apparatus and motor drive system |
| 06/12/2008 | US20080136261 Load control system having a plurality of repeater devices |
| 06/12/2008 | DE102006054870A1 Windenergieanlage mit Gegensystemregelung und Betriebsverfahren Wind turbine having counter-regulation system and method of operation |
| 06/12/2008 | CA2671823A1 Modular power converters usable alone or in a multiphase power converter |
| 06/11/2008 | EP1931009A2 Methods for synchronising a plurality of generators |
| 06/11/2008 | CN201072848Y Socket type power filter |
| 06/11/2008 | CN201072715Y Equipotential switch of high tension electric power capacitor |
| 06/11/2008 | CN201072606Y Manufactory power supply integrated automation experiment system |
| 06/11/2008 | CN101199093A Fast acting distributed power system for transmission and distribution system load using energy storage units |
| 06/11/2008 | CN101199075A Load controlling device, load controlling method, load controlling circuit, load controlling program, and computer-readable recording medium where load controlling program is recorded |
| 06/11/2008 | CN101197547A Three-phase synchronization AC generating circuit and its control method |
| 06/11/2008 | CN101197503A Collection and transmission system |
| 06/11/2008 | CN101197502A Methods for synchronising a plurality of generators |
| 06/11/2008 | CN100394665C Power system having generator driven by engine |
| 06/11/2008 | CN100394664C Compensator for electric-railway non-power compensation and electric-energy quality control |
| 06/11/2008 | CN100394663C Power supply and comprehesive fitering device composed thereof |
| 06/11/2008 | CN100394662C Curren tracing control method for dynamic quick compensator |
| 06/10/2008 | US7385373 Intelligent distributed energy storage system for demand side power management |
| 06/10/2008 | US7385314 Power supply having power saving mode |
| 06/10/2008 | US7385300 Method and apparatus for determining actual reactive capability curves |
| 06/10/2008 | CA2472409C Aircraft secondary electric load controlling system |
| 06/09/2008 | CA2613665A1 Methods for synchronising a plurality of generators |
| 06/05/2008 | WO2008067546A2 Rectified power supply |
| 06/05/2008 | WO2008064539A1 A real-time and concentrating control of generating set for the grid energy saving and reduction of so2 discharge |
| 06/05/2008 | WO2008064509A1 Device and method for controlling power flow in a power network |
| 06/05/2008 | WO2008064410A1 Power supply control device |
| 06/05/2008 | US20080129122 Controllable board-spectrum harmonic filter (CBF) for electrical power systems |
| 06/05/2008 | US20080129121 Apparatus and method for selectively coupling system with a first power supply or a second power supply |
| 06/05/2008 | US20080129115 Vehicular outboard power conversion apparatus, system and method |
| 06/05/2008 | US20080129112 Aircraft system and method of arc fault protection for an aircraft system |
| 06/05/2008 | DE102006056347A1 Electrical energy feeding device for power supply network, has inverter including outlet coupled to power supply network, where inverter converts irregular voltage pulse into alternating voltage for feeding into power supply network |
| 06/05/2008 | CA2670549A1 Power supply control device |
| 06/04/2008 | EP1928069A1 Device and method for controlling power flow in a power network |
| 06/04/2008 | EP1927186A1 Control method for direct current transmission by means of several power converters |
| 06/04/2008 | EP1927185A1 Control method for transmitting direct current |
| 06/04/2008 | EP1927160A1 Ground electrode |
| 06/04/2008 | EP1926844A1 Method for detecting islanding operation of a distributed generator |
| 06/04/2008 | CN201069857Y Offline detection device for passive automatic compensation electric-controlled device |
| 06/04/2008 | CN101194404A Damping electromechanical oscillations in power systems |
| 06/04/2008 | CN101194403A Method for avoiding undesired, measurement error-induced protective tripping within a protection system of HVDC transmission system |
| 06/04/2008 | CN101193769A Electric power supply system |
| 06/04/2008 | CN101192754A A realization method for integrated load model of distribution network in power system |
| 06/04/2008 | CN101191468A Elevator electricity generating device |
| 06/04/2008 | CN101191463A Double-layer lamina interconnected vertical axis wind motor |
| 06/04/2008 | CN100392938C Control system and method for voltage stabilization |
| 06/04/2008 | CN100392553C Method for regulating static var compensator of electricity transmission system |
| 05/29/2008 | WO2008063575A2 Electric power generation system and methods |
| 05/29/2008 | WO2008063452A2 Method of communicating a command for load shedding of a load control system |
| 05/29/2008 | WO2008017754A8 Method and system of real time management and modulation of electricity consumption |
| 05/29/2008 | US20080122293 System and Method for Anti-Islanding, Such as Anti-Islanding for a Grid-Connected Photovoltaic Inverter |
| 05/29/2008 | US20080122289 Modular power control system |
| 05/29/2008 | DE102006055575A1 Vorrichtung zur flexiblen Energieübertragung und zum Enteisen einer Hochspannungsleitung mittels Gleichstrom Apparatus for flexible power transmission and for deicing a power line by DC |
| 05/29/2008 | CA2670452A1 Apparatus for flexible power transmission and for deicing of a high-voltage line by means of direct current |
| 05/28/2008 | EP1926194A1 Electricity supply for an aircraft |
| 05/28/2008 | EP1925817A2 A system of production of electric energy from renewable energy sources |
| 05/28/2008 | EP1925062A2 Decentralized power supply device and method |
| 05/28/2008 | EP1924896A1 Predictive contract system and method |
| 05/28/2008 | EP1472779B1 Voltage source with capacitor |
| 05/28/2008 | CN201066791Y Building block high-voltage passive compensation device |
| 05/28/2008 | CN201066790Y Three-phase electronic power-saver |
| 05/28/2008 | CN201066789Y Capacitance combined micro PC for passive automatic compensation control |
| 05/28/2008 | CN201066788Y Automatic compensation device for instantaneous passive power of dual-phase solid relay control |
| 05/28/2008 | CN201066787Y Power noise wave elimination circuit, power socket with this circuit and electrical appliance device |
| 05/28/2008 | CN101188359A Distribution network reliability evaluation method based on failure transfer feature of components |
| 05/28/2008 | CN101188358A An energy-saving home circuit |
| 05/28/2008 | CN100391151C Intelligent low voltage detection far-distance power supply system |
| 05/28/2008 | CN100391078C Rectification transformers with self coupling compensation and resournace shield |
| 05/27/2008 | US7379997 System and method of controlling delivery and/or usage of a commodity |
| 05/27/2008 | US7378758 Parallel inverter system |
| 05/27/2008 | US7378757 Power generation system |
| 05/27/2008 | US7378754 Three-phase harmonic reduction filter for bidirectional power converters |
| 05/22/2008 | WO2008059884A1 Controller |
| 05/22/2008 | WO2007084035A8 A converter station |
| 05/21/2008 | EP1922804A1 Device for electron energy transfer |
| 05/21/2008 | EP1922803A1 Device for electron energy transfer |
| 05/21/2008 | EP1695434B1 Converter circuit with two partial converters |
| 05/21/2008 | DE102006053367A1 Verfahren und Vorrichtung zum Betrieb eines Umrichters, insbesondere für Windenergieanlagen Method and apparatus for operating a converter, in particular for wind energy installations |
| 05/21/2008 | CN201063443Y Numerical control static type dynamic reactive power compensated control device |
| 05/21/2008 | CN201063442Y Universal high-power electricity-saving device |
| 05/21/2008 | CN201063441Y Electricity-saving controller |
| 05/21/2008 | CN201062570Y Novel wind-power generator |
| 05/21/2008 | CN101183792A YNd11 connection transformer based AC electrified railway traction cophase supply device |
| 05/21/2008 | CN101183791A Static reactive compensator and active power filter combined operation system and control method thereof |
| 05/21/2008 | CN101183790A STATCOM and SVC based electric energy quality adjustor coordination control method |
| 05/21/2008 | CN101183789A Method for setting compound characteristic impedance suitable for series capacity compensation circuit |
| 05/21/2008 | CN100389530C Current-limiting energy-storing circuit |
| 05/20/2008 | US7376490 Operational control device, operational control method, program and storage medium thereof, for a plurality of power consumption systems |
| 05/20/2008 | US7375442 Interface circuit for providing a computer logic circuit with first and second voltages and an associated method |
| 05/17/2008 | CA2610507A1 Mobile power generator |
| 05/15/2008 | WO2008057713A2 Systems, methods and apparatus for a mobile imaging system equipped with fuel cells |
| 05/15/2008 | US20080112197 Power System for Producing Low Power DC Voltage at a Level Above a Peak Value of an AC Input to the System |
| 05/15/2008 | US20080111424 Power storage device |
| 05/15/2008 | US20080111422 Voltage Regulator and Power System with a Voltage Boost for a Low Input Voltage |
| 05/15/2008 | US20080111421 Modular and scalable power conversion system for aircraft |
| 05/15/2008 | US20080111380 System And Method For Utility and Wind Turbine Control |
| 05/15/2008 | DE202007016031U1 Hybridanlage mit einem Wasserrad Hybrid system with a water |
| 05/14/2008 | EP1921738A2 Method and device to control a dc-ac converter, particularly for a wind energy plant |
| 05/14/2008 | EP1921309A2 Method and arrangement in wind power plant |