| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/20/2013 | WO2012164029A3 Subsea electrical architectures |
| 06/20/2013 | WO2012104580A3 Electrical devices with improved fault current handling capabilities |
| 06/20/2013 | WO2012089396A3 Method and device for operating a drive train of a hybrid vehicle |
| 06/20/2013 | US20130154607 Reactive regulator |
| 06/20/2013 | US20130154393 Protecting against transients in a communication system |
| 06/20/2013 | US20130154351 Electrical architecture with power optimization |
| 06/20/2013 | DE102012205223A1 Überwachungsgerät für elektrische Energie Monitoring device for electric energy |
| 06/20/2013 | DE102012024742A1 Solarwechselrichtersystem und darauf gerichtetes Steuerverfahren Solar inverter system and directed thereon control method |
| 06/20/2013 | DE102011121544A1 Wind energy plant of wind park, has generator that is driven by rotor through gear unit so that generated power is delivered to handoff point, and load that is switched between generator and handoff point, so as to consume power |
| 06/20/2013 | DE102011121362A1 Verfahren zum Regeln eines selbstgeführten Stromrichters A method for controlling a self-commutated converter |
| 06/19/2013 | EP2605359A1 Storage battery system and method for controlling same |
| 06/19/2013 | EP2605358A1 Wire connecting method and converter station for ultra-high voltage direct current power transmission, and ultra-high voltage direct current power transmission system |
| 06/19/2013 | EP2605357A1 Control of reactive power output from a wind park |
| 06/19/2013 | EP2605356A1 Method and controller for stably operating a wind turbine in different strength of grid |
| 06/19/2013 | EP2605327A1 Lead storage battery and lead storage battery system for system utilising natural energy |
| 06/19/2013 | EP2603696A1 Wind-power production with reduced power fluctuations |
| 06/19/2013 | EP2227848B1 Apparatus and method for operating a wind turbine under low utility grid voltage conditions |
| 06/19/2013 | CN203014682U Three-phase 24-pulse traction rectification transformer |
| 06/19/2013 | CN203014414U Electric automobile charging station utilizing solar power and electric supply complementally |
| 06/19/2013 | CN203014412U Centralized transport system for uniform distribution of electric automobile power storage batteries |
| 06/19/2013 | CN203014394U Household photovoltaic multifunctional intelligent power station |
| 06/19/2013 | CN203014393U Grid-connection control device |
| 06/19/2013 | CN203014392U A high-voltage DC power transmission wire connecting structure |
| 06/19/2013 | CN203014391U Energy recovery device based on vacuum flywheel energy storage |
| 06/19/2013 | CN203014390U Energy storage power adjusting device |
| 06/19/2013 | CN203014389U High-voltage reactive power automatic compensation device |
| 06/19/2013 | CN203014388U High-voltage filtering harmonic elimination and compensation system |
| 06/19/2013 | CN203014387U Cascade type static var generator control circuit board based on DSP and FPGA |
| 06/19/2013 | CN203014386U Crowbar protection circuit of double-fed wind turbine system |
| 06/19/2013 | CN203014385U Three-phase-equilibrium single-and-double-pole electroslag furnace |
| 06/19/2013 | CN203014384U Chain type SVG series multi-power-unit FPGA control device |
| 06/19/2013 | CN203014383U A reactive power optimizing and compensating device used in a low-voltage power distribution network |
| 06/19/2013 | CN203014382U Reactive flexible compensation device |
| 06/19/2013 | CN203014381U Line trap |
| 06/19/2013 | CN203014380U Third harmonic wave elimination device |
| 06/19/2013 | CN203014379U Harmonic wave restraining device for line-side voltage transformer |
| 06/19/2013 | CN203014378U Circuit for managing high-voltage harmonic source by using low-voltage reactive compensation equipment in electric power system |
| 06/19/2013 | CN203014377U Power grid overvoltage inhibition apparatus |
| 06/19/2013 | CN203014376U Device for automatically optimizing quality of electricity consumption |
| 06/19/2013 | CN203014375U Power balance green energy consumption control system |
| 06/19/2013 | CN203014209U Low-voltage capacitor compensation cabinet |
| 06/19/2013 | CN203013485U Dry-type hollow adjustable reactor |
| 06/19/2013 | CN103168410A Apparatus control device and apparatus control method |
| 06/19/2013 | CN103168404A Storage battery system and method for controlling same |
| 06/19/2013 | CN103168403A Controlling a wind power plant transformer |
| 06/19/2013 | CN103168125A Household electrical appliance and method for controlling household electrical appliance |
| 06/19/2013 | CN103166556A Excitation regulator control circuit |
| 06/19/2013 | CN103166539A Electromagnetic voltage regulating soft starting device without harmonic |
| 06/19/2013 | CN103166250A Smart energy management device of multi-energy power supply system |
| 06/19/2013 | CN103166249A Safe and stable control method of quick grid-connected system |
| 06/19/2013 | CN103166248A Engineering configuration method of independent wind-diesel-storage micro grid system capacity |
| 06/19/2013 | CN103166247A System and method for controlling doubly-fed wind power generation grid-side converter |
| 06/19/2013 | CN103166246A Intelligent permanent magnetic direct drive wind generator set control device |
| 06/19/2013 | CN103166245A Method of contribution of inverter and inverter |
| 06/19/2013 | CN103166244A Distributed power supply system and method |
| 06/19/2013 | CN103166243A Countercurrent-resisting control method and device and countercurrent-resisting system thereof |
| 06/19/2013 | CN103166242A Computing method of generator difference-adjustment coefficient |
| 06/19/2013 | CN103166241A Isolated power grid stability control system |
| 06/19/2013 | CN103166240A Grid-connected solar photovoltaic power station monitoring system |
| 06/19/2013 | CN103166239A Centralized-distributed mixed novel energy power generation system and maximum power point tracking control method |
| 06/19/2013 | CN103166238A Doubly fed wind power generator control structure under asymmetric sudden rise of power grid voltage |
| 06/19/2013 | CN103166237A Weak tie receiving end small electric grid tie line high resistance compensation method |
| 06/19/2013 | CN103166236A Automatic volume control (AVC) joint debugging method based on static var generator |
| 06/19/2013 | CN103166235A System for controlling power station reactive power automatic compensation based on third generation (3G) technology |
| 06/19/2013 | CN103166234A Single phase grid-connected inverter reactive output control method |
| 06/19/2013 | CN103166233A Continuous time state estimation method based on Kalman-Bucy filter |
| 06/19/2013 | CN103166232A Reactive compensation device state estimation method based on Kalman filtering |
| 06/19/2013 | CN103166231A Method of reducing land occupation of reactive compensation device layout |
| 06/19/2013 | CN103166230A Foundation for realizing fast interchange of capacitor bank and reactor group |
| 06/19/2013 | CN103166229A Domain dividing method of regional power grid intelligent reactive power optimization system |
| 06/19/2013 | CN103166228A Load quick-cut control system |
| 06/19/2013 | CN103166227A Three-phase load unbalance adjustment switch |
| 06/19/2013 | CN103166226A Network voltage reactive-power compound coordination control system and method for new energy power generation |
| 06/19/2013 | CN103166225A Mining hybrid active power filter |
| 06/19/2013 | CN103166224A Method for optimizing output inductance of three-phase four-wire system parallel active power filter |
| 06/19/2013 | CN103166223A Control loop of power distribution network monitoring based on wireless communication |
| 06/19/2013 | CN103166222A Filtering system |
| 06/19/2013 | CN103166221A Ultra-high voltage grid operating control mode for controlling in-series execution of performance evaluation criterion |
| 06/19/2013 | CN103166220A Off-grid Stirling power supply system structure and control method |
| 06/19/2013 | CN103166219A Power grid on-line decision-stabilizing control system and control method based on super real-time emulation |
| 06/19/2013 | CN103166218A Automatic generation control (AGC) set adjusting process sectioning method |
| 06/19/2013 | CN103166217A Transmission grid phase shifter optimal configuration method |
| 06/19/2013 | CN103165274A Double three column oblique angle elliptic iron core magnetically controlled reactor |
| 06/19/2013 | CN103165273A Single phase double column orthogonal elliptical iron core magnetic control electric reactors |
| 06/19/2013 | CN103165272A Double three column triangle oblique angle elliptic iron core magnetically controlled reactor |
| 06/19/2013 | CN103165271A Break-angle type double three-column triangular right-angle oval iron core magnetically controlled reactor |
| 06/19/2013 | CN103165270A Bevel-shaped double three-column triangle right angle round iron core magnetic control electric reactor |
| 06/19/2013 | CN103165269A Double-three-column triangle oblique angle round iron core magnetic control electric reactor |
| 06/19/2013 | CN103165268A Double-three-column right-angle oval iron core magnetic control electric reactor |
| 06/19/2013 | CN103165267A Magnetic controllable reactor with single-phase double-column oblique-angle circular iron cores |
| 06/19/2013 | CN102427229B Zero-injection-constraint electric power system state estimation method based on modified Newton method |
| 06/19/2013 | CN102368610B Evaluation method based on distribution system security region |
| 06/19/2013 | CN102280877B Method for identifying parameter of poor branch of power system through a plurality of measured sections |
| 06/19/2013 | CN102270853B Control method for transferring load by power transformer in ship power system and control device thereof |
| 06/19/2013 | CN102255482B Single-phase inverter for eliminating ripples wave at direct current input end and solar photovoltaic generating system |
| 06/19/2013 | CN102223125B Method and device for controlling uninterruptible operation of wind generator system in case of faulted power grid voltage |
| 06/19/2013 | CN102222981B Wind power converter monitoring system and wind power generation system |
| 06/19/2013 | CN102185332B Method for controlling exchanging power between microgrid and large power grid |
| 06/19/2013 | CN102163846B Regional power grid network reconstruction method taking loss reduction and load balancing as targets |
| 06/19/2013 | CN102157949B Small-signal stability prediction and decision support method |