| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 01/16/2013 | EP2501014A9 Method and apparatus for detecting islanding conditions of distributed generator |
| 01/16/2013 | CN202679306U Device for controlling motor using frequency converter and PLC |
| 01/16/2013 | CN202679288U Brushless motor controller |
| 01/16/2013 | CN202679270U Circuit structure of transformerless inverter with reactive compensation function |
| 01/16/2013 | CN202679152U Environmentally-friendly elastic energy storage power station |
| 01/16/2013 | CN202678985U New-energy output simulating application system |
| 01/16/2013 | CN202678984U Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings |
| 01/16/2013 | CN202678983U High capacity inverting grid-connecting apparatus |
| 01/16/2013 | CN202678982U Grid-connected solar photovoltaic power generation system |
| 01/16/2013 | CN202678981U Urban community photovoltaic power station |
| 01/16/2013 | CN202678980U Three-phase photovoltaic grid-connection system based on novel Z-source inverter |
| 01/16/2013 | CN202678979U Variable-frequency general power system for thermal power plant |
| 01/16/2013 | CN202678978U Capacitor box |
| 01/16/2013 | CN202678977U Reactive power management apparatus for voltage of transformer station |
| 01/16/2013 | CN202678976U Circuit for improving power factor of massive quantity power supply transformer |
| 01/16/2013 | CN202678975U 动态电压补偿器 Dynamic voltage compensator |
| 01/16/2013 | CN202678974U Power grid harmonic suppression device for reactive compensation capacitor cabinet |
| 01/16/2013 | CN202678973U Reactance-type startup disk used for 10kV2000HP air compressor |
| 01/16/2013 | CN202678972U Reactive compensation and harmonic management integrated controller used for power distribution system of residential area |
| 01/16/2013 | CN202678971U Double-DSP (Digital Signal Processor) circuit for intelligent filtering device |
| 01/16/2013 | CN202678970U Electricity energy quality optimizing device |
| 01/16/2013 | CN202678969U Micro-grid power supply system of wind-driven generator |
| 01/16/2013 | CN102884708A Powering of devices |
| 01/16/2013 | CN102884707A Electric power supply system |
| 01/16/2013 | CN102884703A Electric power control apparatus and grid connection system having same |
| 01/16/2013 | CN102884702A A high voltage DC switchyard with semiconductor switches |
| 01/16/2013 | CN102884701A A plant for transmitting high voltage DC electric power including overvoltage protection |
| 01/16/2013 | CN102884700A Power supply system, power supply system control device, power supply system operation method and power supply system control method |
| 01/16/2013 | CN102884699A Power flow measurement and management |
| 01/16/2013 | CN102884689A Connection device for electric power converters |
| 01/16/2013 | CN102882383A Direct power control method of modular multilevel wind power converter |
| 01/16/2013 | CN102882237A Intelligent energy storage machine and operating method thereof |
| 01/16/2013 | CN102882235A Method for adaptive optimization of power supply decision-making of photovoltaic building power supply system |
| 01/16/2013 | CN102882234A Method for controlling a frequency converter and frequency converter |
| 01/16/2013 | CN102882233A Medium-voltage distribution type maximum power point tracking (MPPT) large-power photovoltaic grid-connected power station |
| 01/16/2013 | CN102882232A Energy storage compensation method and device for rig power grid |
| 01/16/2013 | CN102882231A Loop current control method for current transformer multi-unit parallel connection system |
| 01/16/2013 | CN102882230A Wind electricity-based electric energy quality series compensator |
| 01/16/2013 | CN102882229A Automatic dynamic voltage control system for wind power plant |
| 01/16/2013 | CN102882228A Single-phase non-isolated photovoltaic grid-connected inverter |
| 01/16/2013 | CN102882227A High-power photovoltaic grid-connected inverter |
| 01/16/2013 | CN102882226A Distribution controller for paralleling loads of diesel generator |
| 01/16/2013 | CN102882225A Photovoltaic system based plug and play power management system of user side distributed power sources |
| 01/16/2013 | CN102882224A Systems and devices for controlling power generation |
| 01/16/2013 | CN102882223A Water, wind, solar and biomass multi-energy integrated complementary power generation method and device |
| 01/16/2013 | CN102882222A Zero switching circuit for wind power generation |
| 01/16/2013 | CN102882221A Supercapacitor and storage battery mixed energy-storing energy management circuit in photovoltaic grid-connected power generation |
| 01/16/2013 | CN102882220A Electric power controller, electric power management device, electric power control method, and electric power management system |
| 01/16/2013 | CN102882219A Railway power supply system comprehensive electric energy quality treatment device and method thereof |
| 01/16/2013 | CN102882218A Static centralized and dynamic distributed coordination control system for reactive power/voltage of distribution network |
| 01/16/2013 | CN102882217A 10-kV distribution net front end operation parameter long-distance collection system and control method |
| 01/16/2013 | CN102882216A Low-voltage no-power automatic control method |
| 01/16/2013 | CN102882215A Automatic voltage control system for embedded transformer substation |
| 01/16/2013 | CN102882214A Voltage class combination selecting method for high-voltage distribution network in rural area |
| 01/16/2013 | CN102882213A Online load transfer method in power grid series connection and ring network power supply mode based on event management system (EMS) |
| 01/16/2013 | CN102882212A Novel adaptive medium-voltage adjusting and transforming system |
| 01/16/2013 | CN102882211A Self-adaptive repetitive control method for active power filter |
| 01/16/2013 | CN102882210A Active power filter (APF) device based on double vehicle stability control (VSC) interactive parallelly-connected harmonic compensation open loop and closed loop combination |
| 01/16/2013 | CN102882209A Power grid current detection-K value control method of active power filter |
| 01/16/2013 | CN102882208A Electric railway electric energy quality comprehensive treatment device control method |
| 01/16/2013 | CN102882207A Method for controlling scheduling tidal current limit of power grid |
| 01/16/2013 | CN102882206A Multilevel micro-electric network control method based on four-dimensional energy management space |
| 01/16/2013 | CN102882205A Apparatus and method taking parameter time variation into consideration for assessing transient stability of electric system |
| 01/16/2013 | CN102882133A Intelligent arc light protection and double-layer reactive compensation switch cabinet |
| 01/16/2013 | CN102881449A Fixing bracket for high voltage power capacitor |
| 01/16/2013 | CN102880806A Transformation substation modifying scheme automatic selecting method based on maximum delivery capacity variable |
| 01/16/2013 | CN102360857B Integrated network distributing transformer with error compensating mutual inductor |
| 01/16/2013 | CN102136036B Double-feed wind power station equivalent modeling method applied to analysis on small signal stability of power system |
| 01/16/2013 | CN102064713B High-efficiency flyback grid-connected photovoltaic inverter |
| 01/16/2013 | CN102064552B Single-phase and three-phase electric energy quality controllers with novel structures |
| 01/16/2013 | CN102055208B Low-voltage traversing control method for double-fed wind power generation system |
| 01/16/2013 | CN102013703B Measurement injection-based generator model parameter checking method |
| 01/16/2013 | CN101976882B Master control unit applied to power system |
| 01/16/2013 | CN101917003B Small interference oscillatory stability decomposed model analysis method for electric power system |
| 01/16/2013 | CN101896718B Production system for electric energy and hydrogen |
| 01/16/2013 | CN101882797B Method for efficiently emerging marsh gas power generation into user power utilization network |
| 01/16/2013 | CN101860270B Access system for adequately utilizing wind energy and solar energy and realization method thereof |
| 01/16/2013 | CN101860037B Determination method of network side harmonic current of high-voltage direct current power transmission system |
| 01/16/2013 | CN101807798B Section data integration method for power system safety and stability online analysis |
| 01/15/2013 | US8354760 Power supply equipment to simultaneously power multiple electronic device |
| 01/14/2013 | DE202012010190U1 Dezentraler Druckluftspeicher für kleine Fotovoltaikanlagen Distributed compressed air storage for small photovoltaic systems |
| 01/10/2013 | WO2013006273A2 Methods and systems for determining an association between nodes and phases via a smart grid |
| 01/10/2013 | WO2013005875A1 Coordination control system and method for a micro-grid energy storage device |
| 01/10/2013 | WO2013005426A1 Home electric appliance |
| 01/10/2013 | WO2013004585A1 Operating method for an inverter and network fault-tolerant inverter |
| 01/10/2013 | WO2013004282A1 High voltage dc/dc converter |
| 01/10/2013 | WO2013004252A2 Control device for damping grid oscillations |
| 01/10/2013 | WO2013004133A1 Resonant control method |
| 01/10/2013 | WO2012138235A3 Local demand side power management for electric utility networks |
| 01/10/2013 | WO2012032111A3 Detecting islanding conditions in power networks |
| 01/10/2013 | US20130013486 Method and System for Predicting Solar Energy Production |
| 01/10/2013 | US20130013233 Electric-power-generation level predicting apparatus, method and program |
| 01/10/2013 | US20130010504 Power converter and integrated dc choke therefor |
| 01/10/2013 | US20130009615 Arrangement and method for reactive power compensation |
| 01/10/2013 | US20130009487 High voltage power supply |
| 01/10/2013 | US20130009485 Electric power control system and method |
| 01/10/2013 | US20130009482 Power supply system |
| 01/10/2013 | US20130009478 Photovoltaic arrangement |
| 01/10/2013 | US20130009477 Flywheel and Battery-Based Power Supply System |
| 01/10/2013 | US20130009476 Common Monitoring and/or Control of a Flywheel and Battery-Based Power Supply System |