| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/18/2009 | WO2009076540A1 Methods and apparatus for multiphase power regulator |
| 06/18/2009 | WO2009075985A2 Apparatuses and methods to connect power sources to an electric power system |
| 06/18/2009 | WO2009043768A3 Energy supply with a distribution station |
| 06/18/2009 | WO2009019159A3 Support of a sustainable energy supply having a carbon cycle using regeneratively generated hydrogen |
| 06/18/2009 | US20090157529 System and Method of Controlling Delivery and/or Usage of a Commodity |
| 06/18/2009 | US20090153133 Methods and apparatus for collecting characteristics of a power line a bpl system |
| 06/18/2009 | US20090153102 Method and System For Load Shifting |
| 06/18/2009 | US20090152952 Electric power conservation system |
| 06/18/2009 | US20090152950 Switching Power Supply With Overvoltage Protection And Overvoltage Protection Method Thereof |
| 06/18/2009 | US20090152948 Power managers for an integrated circuit |
| 06/18/2009 | US20090152947 Single chip solution for solar-based systems |
| 06/18/2009 | US20090152946 Power supply device |
| 06/18/2009 | US20090152945 Method for Supplying the Electrical On-Board Power Network of Ships With External Energy |
| 06/18/2009 | US20090152944 Power system |
| 06/18/2009 | DE202008017271U1 System zur Nutzung erneuerbarer Energiequellen System for the use of renewable energy sources |
| 06/18/2009 | DE202006020605U1 Vorrichtung zum Betrieb mindestens eines mechanisch und/oder elektrisch betätigbaren Bauelements A device for operating at least one mechanically and / or electrically operable device |
| 06/18/2009 | DE102007059838A1 Verfahren und Versorgungssystem für den Betrieb von einer Mehrzahl von unabhängigen elektrischen Vorrichtungen sowie elektrische Vorrichtung und Steckadaptersystem Process and supply system for operating a plurality of independent electrical devices and electrical device and plug adapter system |
| 06/17/2009 | EP2071700A1 Ac-dc conversion device |
| 06/17/2009 | EP2071699A2 Battery load allocation in parallel-connected uninterruptible power supply systems |
| 06/17/2009 | EP2071694A1 MVDC power transmission system for sub-sea loads |
| 06/17/2009 | EP2071693A2 Method and switching arrangement to control energy feed for several single-phase inverters in a multiple phase network |
| 06/17/2009 | EP2071692A1 Motor drive architecture for high frequency AC bus |
| 06/17/2009 | EP2071691A2 Reactive energy compensator |
| 06/17/2009 | EP2070175A2 Method for operating a wind turbine connected to a utility grid during utility grid disturbance, wind turbine and wind park |
| 06/17/2009 | EP2070174A2 Conditioning device for energy supply networks |
| 06/17/2009 | EP2070173A1 Determination and use of power system sensitivities for power flow control |
| 06/17/2009 | EP1268323A4 Process for switching between mains supply and a frequency inverter and vice versa for an escalator drive |
| 06/17/2009 | EP1222390B2 Wind power plant |
| 06/17/2009 | CN201260080Y Device for passive compensation and harmonic wave control for intelligent electric power system |
| 06/17/2009 | CN201260079Y Synthetic apparatus for power distribution monitoring and intelligent passive optimization |
| 06/17/2009 | CN201260078Y Electric remote host having voltage automatic control function |
| 06/17/2009 | CN101461116A Power control of a wind farm and method therefor |
| 06/17/2009 | CN101461115A Energy supply device for a plurality of energy consumers connected thereto |
| 06/17/2009 | CN101461114A Pick-up apparatus for inductive power transfer systems |
| 06/17/2009 | CN101459340A Static synchronization compensator chaos balance control system based on cascade type DC-to-AC converter |
| 06/17/2009 | CN101459339A Power factor compensation controller |
| 06/17/2009 | CN101459338A Method for enhancing efficiency of finding out reason of electricity generating set oscillation problem |
| 06/17/2009 | CN101459337A Stabilized control system capable of accurately cut load selection according to load path |
| 06/17/2009 | CN101459336A GOOSE mode network low frequency deloading method based on digital transmission network |
| 06/17/2009 | CN101459335A Control apparatus for three level dynamic voltage recovery device |
| 06/17/2009 | CN100502219C Multiplexed high voltage DC-AC driver, transformer and voltage conversion method |
| 06/17/2009 | CN100502197C Rotary electromagnetic type active and reactive power continuously regulator |
| 06/16/2009 | US7548052 AC power source controller |
| 06/11/2009 | WO2009073125A1 Hybrid power system with variable speed genset |
| 06/11/2009 | WO2009072985A1 System and method for power management and load shedding |
| 06/11/2009 | WO2009072453A1 Power system control system and control method |
| 06/11/2009 | WO2009072415A1 Power supply system |
| 06/11/2009 | US20090150692 Portable ultrasound system with variable power consumption |
| 06/11/2009 | US20090150100 Metering assembly and customer load panel for power delivery |
| 06/11/2009 | US20090146603 MVDC power transmission system for sub-sea loads |
| 06/11/2009 | US20090146501 Distributed solar power plant and a method of its connection to the existing power grid |
| 06/11/2009 | US20090146500 Power converters |
| 06/11/2009 | US20090146498 Power control apparatus and electronic appliance equipped with power control apparatus |
| 06/11/2009 | US20090146494 Apparatus For Providing Electrical Power To Electrical Device And Method Of Use |
| 06/10/2009 | EP2068421A2 Voltage regulator and generator assembly for charging batteries |
| 06/10/2009 | EP2068416A1 Advance control for a voltage source converter |
| 06/10/2009 | EP2067247A1 Data interchange between inverters in an inverter system |
| 06/10/2009 | EP2067230A1 Apparatus for feeding electrical energy into an energy supply system and dc voltage transformer for such an apparatus |
| 06/10/2009 | EP2067229A1 Conversion of ac lines to hvdc lines |
| 06/10/2009 | EP2067228A1 An apparatus and a method for a power transmission system |
| 06/10/2009 | EP2067227A2 Drive energy supply in rail vehicles |
| 06/10/2009 | CN201256299Y Manual and automatic integrated synchronizer device |
| 06/10/2009 | CN201256298Y Transforming plant voltage intelligent reactive dynamic compensation device based on field bus |
| 06/10/2009 | CN201256297Y 动态无功功率补偿装置 Dynamic reactive power compensation device |
| 06/10/2009 | CN201256296Y Intelligent integrated system for reactive compensation and reactive optimization for electricity distribution network |
| 06/10/2009 | CN201256295Y Intelligent energy-saving type capacitor compensation/filtering apparatus cabinet |
| 06/10/2009 | CN201256294Y Single phase injection type mixed active filter suitable for electrified railway |
| 06/10/2009 | CN201256293Y Synthetic energy saving system of power distribution network |
| 06/10/2009 | CN201256292Y GIS digital interval observing and controlling device |
| 06/10/2009 | CN101453121A Low voltage deloading system for urban electric grid |
| 06/10/2009 | CN101453120A Voltage and current regulating device used for medium voltage power distribution network |
| 06/10/2009 | CN100499348C Power-supply device |
| 06/10/2009 | CN100499311C Digital synchronous indication, control method for ship power station generator |
| 06/10/2009 | CN100499310C Automatic power generation control advance control method for power system |
| 06/09/2009 | US7545124 Connecting a prime mover driven alternator to a circuit with an existing alternating current |
| 06/09/2009 | US7545056 Saturation control of electric machine |
| 06/09/2009 | US7545055 Multi-pair aggregate power distribution |
| 06/09/2009 | US7545053 Power supply and power supply method upon interruption of electric service |
| 06/04/2009 | WO2009068698A1 Electric circuit for converting direct current into alternating current |
| 06/04/2009 | WO2009068112A1 Electricity supply apparatus of an industrial site |
| 06/04/2009 | WO2009067737A1 A device and method for reducing standby power consumption |
| 06/04/2009 | US20090140704 Method for the operation of a wind energy plant with voltage-dependent control of a reactive electric variable which is to be provided |
| 06/04/2009 | DE102007057925A1 Verfahren zum Betreiben einer Windenergieanlage mit einer spannungsabhängigen Steuerung einer bereitzustellenden elektrischen Blindgröße A method for operating a wind turbine with a voltage-dependent control of a mobilized reactive electric variable |
| 06/03/2009 | EP2066017A1 Method of operating a wind energy system with a voltage-dependent control for an electric reactive quantity to be provided |
| 06/03/2009 | EP2065996A1 Power accumulator and hybrid distributed power supply system |
| 06/03/2009 | EP2065995A2 Motor drive with var compensation |
| 06/03/2009 | EP2065994A2 Compensation of harmonics of electrical network |
| 06/03/2009 | CN201252404Y Ad hoc network wireless monitoring device of a photovoltaic generating plant |
| 06/03/2009 | CN201252403Y Multifunctional grid-connected photovoltaic inversion device |
| 06/03/2009 | CN101449444A A thyristor controlled series capacitor suitable for damping sub-synchronous resonance |
| 06/03/2009 | CN101447680A Automatic quasi-synchronizing paralleling set of AC synchronous generator |
| 06/03/2009 | CN101447679A Method for implementing parallel power system stabilizer |
| 06/03/2009 | CN101447678A Method for accessing multi-winding wind power generator into power network |
| 06/03/2009 | CN101447677A Method and device for operating electric energy storage and power peak regulation |
| 06/03/2009 | CN101447676A Low-frequency oscillation analysis method for power system |
| 06/03/2009 | CN101447675A Method for mitigating sub-synchronous resonance |
| 06/03/2009 | CN101447674A Voltage quality combined regulation device with differentiation configuration |
| 06/03/2009 | CN101447673A Active power quality adjuster |
| 06/03/2009 | CN101447672A Novel full frequency spectrum electrical active filter |
| 06/03/2009 | CN101447671A Automatic integrating and adjusting method for flow data |