| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/27/2013 | CN102945735A Pre-magnetizing transformer with voltage regulator and manufacture method thereof |
| 02/27/2013 | CN102222909B Method for calculating mixed continuation power flow at voltage stability boundary |
| 02/27/2013 | CN102214924B Feedforward decoupling control method based on three-phase two-arm tri-level active power quality compensator |
| 02/27/2013 | CN102158133B Solar power generating and combining device of iron tower for power transmission |
| 02/27/2013 | CN102142685B Software design method for inductor-capacitor-inductor (LCL) filter on network side of directly-driven wind power generation converter |
| 02/27/2013 | CN102074952B Independent micro-grid system |
| 02/27/2013 | CN102035204B Traction substation calculation method for transient-state analysis of power system |
| 02/27/2013 | CN101924513B System for adjusting backward generating operation power of water pump in pump station |
| 02/27/2013 | CN101741094B Turn-off device-based mobile power transmission device |
| 02/27/2013 | CN101573850B Tapping power from a hvdc transmission system |
| 02/27/2013 | CN101542886B Device for flexible power transmission and deicing of a high-voltage power line by means of direct current |
| 02/26/2013 | US8385090 Power supply system |
| 02/26/2013 | US8384343 Electric accumulators having self regulated battery with integrated bi-directional power management and protection |
| 02/26/2013 | US8384246 Converter device and uninterruptible power supply equipped with such a device |
| 02/26/2013 | US8384245 Methods and apparatuses for photovoltaic power management |
| 02/26/2013 | DE202012011843U1 Vorrichtung zur Gewährleistung des Leistungsausgleichs in temporären elektrischen Inselnetzen, insbesondere durch Regelung von Klimaanlagen bei Stromerzeugung mit Photovoltaikanlagen Device to ensure the power balance in temporary electrical island networks, in particular through regulation of air conditioners in electricity with photovoltaic systems |
| 02/26/2013 | DE202012011695U1 elektrische Schaltung zum Verbrauch von selbst erzeugtem, elektrischem Strom mit Geräten unterschiedlicher Tarifstellung electrical circuit for consumption of self-generated, electric power equipment with different tariff position |
| 02/23/2013 | CA2755412A1 Recycling electricity power generation with the use of a/c current switch |
| 02/22/2013 | DE202013001527U1 Windenergieanlage für Sonderstromversorgungsnetze und Energieversorgungsanlage Wind turbine for special power supply networks and power supply system |
| 02/21/2013 | WO2013026037A2 Current regulated power supply with dynamic voltage control |
| 02/21/2013 | WO2013025565A1 Customizable dynamic resource regulating devices and methods |
| 02/21/2013 | WO2013025447A1 Rail based potential energy storage for utility grid ancillary services |
| 02/21/2013 | WO2013024855A1 Power-consumption control system, power strip, power-consumption control method, plug-type power-supply control device, and power-supply node |
| 02/21/2013 | WO2013024709A1 Power generation control device and hybrid independent power generation system |
| 02/21/2013 | WO2013024706A1 Energy management device, energy management system, and program |
| 02/21/2013 | WO2013024512A1 Storage apparatus with redundant power supply |
| 02/21/2013 | WO2013024496A1 Control of leakage currents in systems with a plurality of parallel inverters |
| 02/21/2013 | WO2013024090A2 Operation of an illuminant at an autonomous energy store |
| 02/21/2013 | WO2013024039A2 Method and system for controlling hydroelectric turbines |
| 02/21/2013 | WO2013023695A1 Charging station |
| 02/21/2013 | WO2013023692A1 Decentralized energy management in automation installations |
| 02/21/2013 | WO2013023691A1 Energy management during changes in operating states of an automation installation |
| 02/21/2013 | WO2013023367A1 Method and device for photovoltaic inverter correction and driving |
| 02/21/2013 | WO2012172352A3 Method and system for energy modelling |
| 02/21/2013 | WO2012162152A4 Waveform distortion mitigation in power systems |
| 02/21/2013 | WO2012139657A3 Power distribution system and method for operation thereof |
| 02/21/2013 | WO2012114114A3 Virtual power station |
| 02/21/2013 | WO2012114113A3 Virtual power station |
| 02/21/2013 | WO2012048787A3 Load-management system and load management method for electrical loads |
| 02/21/2013 | WO2012045383A3 Road lighting system with charging stations for electric vehicles |
| 02/21/2013 | US20130044522 Low weight 3-phase 5-output wire power conversion system for micro-grid |
| 02/21/2013 | US20130043726 Method and apparatus for triac applications |
| 02/21/2013 | US20130043725 Method and Apparatus for Managing Transmission of Power in a Power Transmission Network |
| 02/21/2013 | DE102011111192A1 Zeitversetzte Batteriezuschaltung bei Notfallanforderung Delayed battery activation in emergency request |
| 02/21/2013 | DE102011110641A1 Device for temporary supply of electrical power to electrically driven vehicle e.g. rail vehicle, has contact device that is connected with energy storage unit, for making electrical contact with contact point arranged in vehicle |
| 02/21/2013 | DE102011081169A1 Electrical energy conversion and storage device for use in photovoltaic arrangement, has electrolysis assembly that is thermally coupled to transducer, such that waste heat of transducer are used to perform electrolysis |
| 02/21/2013 | CA2843810A1 Method and system for controlling hydroelectric turbines |
| 02/20/2013 | EP2560263A2 Power distribution system |
| 02/20/2013 | EP2560262A1 Electric-power management system, electric-power management method, and section controller |
| 02/20/2013 | EP2560261A1 Method for managing a facility for producing and storing renewable energy |
| 02/20/2013 | EP2560260A1 Multichannel power controller |
| 02/20/2013 | EP2560065A1 Power converter |
| 02/20/2013 | EP2559145A1 Hybrid 2-level and multilevel hvdc converter |
| 02/20/2013 | EP2559130A2 Method for inputting power and power input system |
| 02/20/2013 | EP2559129A1 Arrangement and method for reactive power compensation |
| 02/20/2013 | EP2559128A1 Method and apparatus for determining an excess amount of energy of an electric energy store of a vehicle |
| 02/20/2013 | EP2377225B1 Method and system for testing wind turbine plants |
| 02/20/2013 | EP1467094B1 A wind turbine for producing electrical power and a method of operating the same |
| 02/20/2013 | CN202750037U Integrated soft-start apparatus |
| 02/20/2013 | CN202749838U Wind power generation system rectification unloading apparatus based on IGBT control |
| 02/20/2013 | CN202749837U Integrated diesel-generator set of parallel machine |
| 02/20/2013 | CN202749836U Low-voltage ride-through device of double-fed wind power generation system |
| 02/20/2013 | CN202749835U Medium voltage grid-connected device in wind generating set |
| 02/20/2013 | CN202749834U Low-voltage ride through device of photovoltaic grid-connected inverter |
| 02/20/2013 | CN202749833U Microgrid operation control device |
| 02/20/2013 | CN202749832U Resident power utilization adjuster |
| 02/20/2013 | CN202749831U Novel composite switch |
| 02/20/2013 | CN202749830U Composite inductive switch |
| 02/20/2013 | CN202749829U Main control module used for low voltage dynamic wattless harmonic wave comprehensive compensation device |
| 02/20/2013 | CN202749828U Static var generator for photovoltaic power station |
| 02/20/2013 | CN202749827U Power capacitor for 6-kilovolt or 10-kilovolt convertible power grid |
| 02/20/2013 | CN202749826U High-power active filter unit structure |
| 02/20/2013 | CN202749825U High-voltage reactive compensation device |
| 02/20/2013 | CN202749824U Novel high-efficiency reactive power compensation device |
| 02/20/2013 | CN202749823U High-efficiency reactive power compensation device |
| 02/20/2013 | CN202749822U Intelligent low voltage reactive power compensator controller taking digital signal processor as core |
| 02/20/2013 | CN202749821U Short-net low-voltage reactive-power direct-compensation device for electric-arc smelting furnace |
| 02/20/2013 | CN202749820U H-bridge cascaded SVG power unit circuit |
| 02/20/2013 | CN202749819U High-voltage reactive power compensator used in electric system |
| 02/20/2013 | CN202749818U Controller for thyristor controlled reactor-type static var compensator apparatus |
| 02/20/2013 | CN202749817U Dynamic reactive power supply SVG (Static Var Generator) |
| 02/20/2013 | CN202749816U Reactive power and harmonic wave generation device simulating intermediate frequency furnace |
| 02/20/2013 | CN202749815U Unloading device and modularized multi-level wind power converter using the same |
| 02/20/2013 | CN202749814U Intelligent active power filter |
| 02/20/2013 | CN202749813U Dynamic filtering electricity-saving device |
| 02/20/2013 | CN202749783U Direct current ice melting and static var compensation device |
| 02/20/2013 | CN102938567A Dynamic response factor-based direct-current power modulation control method of multicomputer system |
| 02/20/2013 | CN102938566A Control method for Z source type two-switch grid-connected inverter |
| 02/20/2013 | CN102938565A Large-scale parallel system-based distributed communication system and control method thereof |
| 02/20/2013 | CN102938564A Closed-loop power distribution network system based on flexible direct current |
| 02/20/2013 | CN102938563A Electrified railway power quality comprehensive processing device |
| 02/20/2013 | CN102938562A Prediction method of total wind electricity power in area |
| 02/20/2013 | CN102938561A Power transmission operating method of power system |
| 02/20/2013 | CN102938098A Power grid operation manner expert system |
| 02/20/2013 | CN101924365B Dynamic harmonic suppression and reactive power compensation control system and control method thereof |
| 02/19/2013 | US8381000 Demand based power allocation |
| 02/19/2013 | US8380256 Failsafe protection system for a distributed telecommunications site |
| 02/19/2013 | US8379416 Power conversion system and method |
| 02/19/2013 | US8378520 Method for energy management |
| 02/18/2013 | DE202013000601U1 Speicherung und Leistungsverteilung für regenerativ erzeugte Energie Storage and power distribution for renewable sources of energy |