| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 07/11/2012 | CN102570477A Static var compensator (SVC) and thyristor controlled series capacitor (TCSC) mixed stationing programming method based on linearized power flow algorithm model |
| 07/11/2012 | CN102570476A Repetitive-control-based method for controlling compensation current of DSTATCOM (Distribution Static Synchronous Compensator) |
| 07/11/2012 | CN102570475A SVC (static var compensator) allocation method for improving transient voltage security of electric distribution network |
| 07/11/2012 | CN102570474A Triggering and conducting method used for switching of capacitor of thyristor AC non-contact switch |
| 07/11/2012 | CN102570473A AC (alternate current) chopper type static reactive compensator |
| 07/11/2012 | CN102570472A Comprehensive compensation control device for effectively improving power quality |
| 07/11/2012 | CN102570471A Method for controlling voltage of wind farm through hierarchical coordination of multiple reactive power sources |
| 07/11/2012 | CN102570470A Transient stability-based generator phase advancing depth determination method |
| 07/11/2012 | CN102570469A Three-phase load tracking energy-saving control device |
| 07/11/2012 | CN102570468A Method and device for determining the structure of a power grid |
| 07/11/2012 | CN102570467A Double-tuned filter based on controllable reactor |
| 07/11/2012 | CN102570466A Current detecting and controlling method of hybrid parallel-connected electric energy quality regulator |
| 07/11/2012 | CN102570465A Hybrid active power filter and SVPWM method based on filter |
| 07/11/2012 | CN102570464A Parameter calculating method of second-order high-pass filter of electrical power system |
| 07/11/2012 | CN102570463A Apparatus and method for improving power efficiency |
| 07/11/2012 | CN102570462A Input and output high isolation filter and design method thereof |
| 07/11/2012 | CN102570461A Design method for single-input multi-output shunt type power supply filter |
| 07/11/2012 | CN102570460A Method for calculating harmonic wave and negative sequence current of electrified railway |
| 07/11/2012 | CN102570459A Method for monitoring voltage quality |
| 07/11/2012 | CN102570458A Electrical network low voltage generating device |
| 07/11/2012 | CN102570457A Static equivalence method for two-port external network based on measurement data of internal network |
| 07/11/2012 | CN102570456A Distribution network intermittent energy consumption system and method based on active mechanism |
| 07/11/2012 | CN102570455A Intelligent microgrid power-supply system |
| 07/11/2012 | CN102570454A Simulation collocation method for oscillation disconnection device of power system |
| 07/11/2012 | CN102570453A Short-term wind power prediction method and system based on multiple numerical weather prediction sources |
| 07/11/2012 | CN102570452A Flexible ac transmission system (FACTS) interactive influence degree evaluation method based on modal series method |
| 07/11/2012 | CN102570451A Static reliability assessment method for power transmission network |
| 07/11/2012 | CN102570450A Static reliability assessment method for complex power grid |
| 07/11/2012 | CN102570449A Regional wind power prediction method based on spatial and temporal distribution characteristics |
| 07/11/2012 | CN102570448A Power system grouping and stability margin evaluation system and power system grouping and stability margin evaluation method based on wide area measurement system (WAMS) |
| 07/11/2012 | CN102570447A Development stage division method for power grid |
| 07/11/2012 | CN102570446A Enhanced plant level support of grid reconstruction |
| 07/11/2012 | CN102570445A Household energy management system |
| 07/11/2012 | CN102570432A Capacitance compensation switching switch structure |
| 07/11/2012 | CN102570424A Evaluation method for impact of series connection of main transformer neutral point and small reactor on relay protection |
| 07/11/2012 | CN102570330A Compact 35kv side structure of 500kv main transformer |
| 07/11/2012 | CN102570329A 66kv side structure of compact 500kv main transformer |
| 07/11/2012 | CN102568798A Sheet type common-mode choke row |
| 07/11/2012 | CN102568795A Three-phase to two-phase balance transformer |
| 07/11/2012 | CN102568792A Planar transformer, driver and display device provided therewith |
| 07/11/2012 | CN102568748A 110kV-level dry type hollow series reactor |
| 07/11/2012 | CN102568695A Superconducting cable system |
| 07/11/2012 | CN102567645A Method for counting equipment of power grid and computing transmission losses on basis of on-line theoretical transmission loss computation |
| 07/11/2012 | CN102566645A Maximum power control method of photovoltaic grid-connected inverter |
| 07/11/2012 | CN102566463A Measurement and control unit of low-voltage static var generator |
| 07/11/2012 | CN102562417A Device based on water energy storage |
| 07/11/2012 | CN102562285A Practical, simple and reliable grid-connected power generation unit utilizing small-size oilfield associated gas |
| 07/11/2012 | CN102550519A Solar LED (light emitting diode) pest-killing lamp adopting flyback-boost and working method thereof |
| 07/11/2012 | CN101944745B Energy storage system and control method thereof |
| 07/11/2012 | CN101871433B Variable-speed constant-frequency wind power generation device having energy storing device |
| 07/11/2012 | CN101826814B Rail pressure generation module and system integration technology |
| 07/11/2012 | CN101789600B Method for controlling dynamic direct voltage of parallel connection type active electric filter |
| 07/11/2012 | CN101728830B Zero-current non-arcing switching type voltage-regulating and voltage-stabilizing device and voltage compensating method thereof |
| 07/11/2012 | CN101542865B Power generating device and method for operating the same |
| 07/11/2012 | CN101416376B Universal three phase controllers for power converters |
| 07/11/2012 | CN101159423B Method, apparatus and product for wind turbine start-up and operation without grid power |
| 07/10/2012 | US8219843 Power management mechanism |
| 07/10/2012 | US8219439 Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program for executing operation management support method on computer |
| 07/10/2012 | US8219258 Queuing access to a shared power supply |
| 07/10/2012 | US8217534 Power generator distributed inverter |
| 07/10/2012 | US8217533 Control methods for the synchronization and phase shift of the pulse width modulation (PWM) strategy of power converters |
| 07/10/2012 | US8217531 Dynamically configuring current sharing and fault monitoring in redundant power supply modules |
| 07/10/2012 | US8217529 System and method for enabling power applications over a single communication pair |
| 07/10/2012 | US8216008 Mixed propulsion system |
| 07/10/2012 | CA2763421A1 Load balancing for distribution power supply system |
| 07/10/2012 | CA2521893C Supply unit for electric power and water derived from reneweable energies |
| 07/08/2012 | CA2731586A1 Panelboard enclosure with manually operable load disconnector |
| 07/05/2012 | WO2012091113A1 Power controller |
| 07/05/2012 | WO2012090709A1 Power control apparatus and distributed power supply system |
| 07/05/2012 | WO2012090365A1 Operation planning method and method for operating heat-pump hot-water supply heating system |
| 07/05/2012 | WO2012090169A1 Method and device for managing electric energy consumption and/or production |
| 07/05/2012 | WO2012089966A1 Reactive power compensation circuit and a method of using such a circuit |
| 07/05/2012 | WO2012089855A1 Method for economically optimizing the operation of micro-cogenerator apparatuses |
| 07/05/2012 | WO2012089213A1 Reactive power management for wind power plant internal grid |
| 07/05/2012 | WO2012088915A1 Method for analyzing influence of fluctuation in output power of wind farm on power grid |
| 07/05/2012 | WO2012025721A3 Apparatus and method for use in transferring an electrical power supply in order to bypass a transformer based voltage optimization device |
| 07/05/2012 | WO2011139674A3 Renewable energy collection and distribution system |
| 07/05/2012 | US20120173035 Multi-terminal power conversion device, multi-terminal power transfer device, and power network system |
| 07/05/2012 | US20120169119 Universal Power Supply System |
| 07/05/2012 | DE112010001340T5 Mehrere Schaltkästen Several switch boxes |
| 07/05/2012 | DE102010056458A1 Windpark und Verfahren zum Betreiben eines Windparks Wind park and method for operating a wind farm |
| 07/05/2012 | DE102010056457A1 Windpark und Verfahren zum Betreiben eines Windparks Wind park and method for operating a wind farm |
| 07/05/2012 | CA2822018A1 Method and device for managing electric energy consumption and/or production |
| 07/04/2012 | EP2472714A1 Power conversion system and method |
| 07/04/2012 | EP2472695A1 Power system demand control equipment, demand control program and recording medium |
| 07/04/2012 | EP2472694A2 Methods and systems for controlling a power conversion system |
| 07/04/2012 | EP2472693A2 Integrated electric meter with VAR capability |
| 07/04/2012 | EP2472346A1 Engine system |
| 07/04/2012 | EP2471164A1 Converter cell module, voltage source converter system comprising such a module and a method for controlling such a system |
| 07/04/2012 | EP2470427A2 Power grid for an aircraft, and method for operating the power grid |
| 07/04/2012 | CN202310238U Lithium-battery driven LED light energy-saving system |
| 07/04/2012 | CN202309559U Photovoltaic grid-connected inverter device |
| 07/04/2012 | CN202309538U Standard converting device of electric automobile and distributed power source |
| 07/04/2012 | CN202309129U Solar charging station |
| 07/04/2012 | CN202309102U Multi-path non-linearity grid-tied controller used for photovoltaic electricity micro grid |
| 07/04/2012 | CN202309101U Oil field distribution type photovoltaic power generation device |
| 07/04/2012 | CN202309100U 造船门式起重机整流回馈节能装置 Shipbuilding gantry crane rectifier feedback saving devices |
| 07/04/2012 | CN202309099U 一种基于zigbee技术的逆变器并联系统 An inverter parallel zigbee technology-based systems |
| 07/04/2012 | CN202309098U Communication monitor module of photovoltaic generating grid-connected inverter system |
| 07/04/2012 | CN202309097U Solar battery component capable of restraining quick change of output power |