| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/25/2013 | CN102364805B Wind/solar hybrid generation system net-connected controller and change-over switch switching method thereof |
| 09/25/2013 | CN102355008B Control method for stabilizing power fluctuation of wind power field |
| 09/25/2013 | CN102354992B Reactive-power control method of wind power field |
| 09/25/2013 | CN102281014B Multilevel current converter with function of processing direct current fault |
| 09/25/2013 | CN102255339B Quick start method for power-supply system of CRDM (control rod drive mechanism) |
| 09/25/2013 | CN102222934B Isolated island detecting method, device and system for photovoltaic grid-connected power generation system |
| 09/25/2013 | CN102222902B Integral structure for movable light direct current (DC) transmission system |
| 09/25/2013 | CN102163859B Super capacitor clearance charging system |
| 09/25/2013 | CN102158101B H-bridge cascaded multilevel voltage sag generator based on insulated gate bipolar transistor (IGBT) |
| 09/25/2013 | CN102035423B Three-phase four-wire three-level photovoltaic grid-connected connection inverter and control method thereof |
| 09/25/2013 | CN102025163B Adjusting method for dynamic reactive compensation controller |
| 09/25/2013 | CN101897096B Method and system for reducing feeder circuit loss using demand response |
| 09/25/2013 | CN101730327B Method for low-voltage filter reactive compensation of metallurgical electric furnace |
| 09/25/2013 | CN101166010B Method and apparatus for operating electrical machines |
| 09/24/2013 | US8542502 Electrical power conversion apparatus |
| 09/24/2013 | US8541909 System having a variable frequency power distribution bus for driving a variable speed motor |
| 09/24/2013 | US8541907 Polyphase power distribution and monitoring apparatus |
| 09/24/2013 | US8541906 Polyphase power distribution and monitoring apparatus |
| 09/24/2013 | US8541898 Control method and system for a wind power installation in case of grid faults |
| 09/24/2013 | DE202013008096U1 Vorrichtung zur Regelung der Speicherung von elektrischer Energie in Form von Wärme Device for controlling the storage of electrical energy in form of heat |
| 09/19/2013 | WO2013136852A1 Charge power control apparatus, charge power control method, program, and solar power generation system |
| 09/19/2013 | WO2013136839A1 Power system control device and power system control method |
| 09/19/2013 | WO2013136686A2 Power supply device, power receiving device, power supply method, power receiving method, and program |
| 09/19/2013 | WO2013136518A1 Facilities management method and facilities management system |
| 09/19/2013 | WO2013136419A1 Method for creating operation plan, operation plan creation program and operation plan creation device |
| 09/19/2013 | WO2013136413A1 Power storage system and method for controlling power storage module |
| 09/19/2013 | WO2013135592A1 Method for controlling an arrangement for supplying electric current to a power supply system |
| 09/19/2013 | WO2013135578A1 Circuit arrangement and method for converting and adapting a dc voltage, photovoltaic installation |
| 09/19/2013 | WO2013135296A1 A method for managing the load profile of a low or medium voltage electric network and a control system thereof |
| 09/19/2013 | WO2013135272A1 Energy distributer |
| 09/19/2013 | WO2013110279A3 A method for damping drive train oscillations in a wind turbine generator |
| 09/19/2013 | WO2013017720A3 Reactive power compensation system, in particular applicable to dwellings |
| 09/19/2013 | WO2012169879A3 A power control device for an electrical installation of a building and a method of power controlling an electrical installation of a building |
| 09/19/2013 | WO2012169045A9 Uninterruptible power supply system |
| 09/19/2013 | US20130241527 Systems and methods for inductive load switching |
| 09/19/2013 | US20130241444 Multi Output Inverter |
| 09/19/2013 | DE102013204625A1 Steuer-/Regelvorrichtung für ein Elektrofahrzeug Control / regulating device for an electric vehicle |
| 09/19/2013 | DE102012204220A1 Verfahren zum Steuern einer Anordnung zum Einspeisen elektrischen Stroms in ein Versorgungsnetz A method of controlling an arrangement for feeding electric current in a supply network |
| 09/19/2013 | DE102012204088A1 Method for synchronizing charging device of energy store for e.g. laptop, involves synchronizing power output of power generating unit in network based on calculated time point and duration of transmitted reference |
| 09/18/2013 | EP2639955A2 Method for regulating a self-regulated frequency converter |
| 09/18/2013 | EP2639923A2 Battery system |
| 09/18/2013 | EP2639922A1 Operation planning method, operation planning device, method for operating heat pump hot-water supply system, and method for operating heat pump hot-water supply and heating system |
| 09/18/2013 | EP2639921A2 Electric storage device control method, electric storage device control device, and electric storage device control system |
| 09/18/2013 | EP2639920A2 User-centric demand side management for utilities |
| 09/18/2013 | EP2639919A2 Electric power supply-and-demand control apparatus |
| 09/18/2013 | EP2639918A2 Control architecture for power switching controller |
| 09/18/2013 | EP2639151A1 Device for transmitting/receiving power using ship |
| 09/18/2013 | EP2638613A1 Method for operation of a photovoltaic installation for feeding electrical power into a medium-voltage power supply grid |
| 09/18/2013 | EP2638612A2 Method for operating a local energy network |
| 09/18/2013 | EP2638573A1 Circuit arrangement for setting a potential of a photovoltaic generator |
| 09/18/2013 | EP2638441A2 Method for controlling the energy circulations in an object |
| 09/18/2013 | EP2638282A2 Method and system for operating a wind turbine |
| 09/18/2013 | EP2407996B1 Current sensing arrangement in an inverter |
| 09/18/2013 | CN203206144U Digital double ring PMW modulation IGBT inverter for high-frequency chopped wave cascade speed regulation |
| 09/18/2013 | CN203205890U Power saving device for parallelable large-scale energy feedback device |
| 09/18/2013 | CN203205889U DC (direct current) micro grid system |
| 09/18/2013 | CN203205888U Medium-and-small sized hydroelectric generating set dual-system hot backup control system |
| 09/18/2013 | CN203205887U Mining four-quadrant frequency converter |
| 09/18/2013 | CN203205886U 智能集成电容器 Intelligent integrated capacitor |
| 09/18/2013 | CN203205885U Intelligent capacitor switching device |
| 09/18/2013 | CN203205884U Novel electrical network compensation device |
| 09/18/2013 | CN203205883U Detachable low voltage reactive power compensation device |
| 09/18/2013 | CN203205882U High-voltage reactive power compensation device |
| 09/18/2013 | CN203205881U Control system based on MCR-type SVC dynamic compensation device |
| 09/18/2013 | CN203205880U A low-voltage reactive power compensator |
| 09/18/2013 | CN203205879U A distribution static synchronous compensator (DSTATCOM) controller based on a DSP TMS320F2812 |
| 09/18/2013 | CN203205878U Device based on capacitor group switching performed by synchronous pre-charging switches |
| 09/18/2013 | CN203205877U 无功补偿器 Var Compensator |
| 09/18/2013 | CN203205876U Integrated power supply device |
| 09/18/2013 | CN203205875U Modular filtering compensation device |
| 09/18/2013 | CN203205874U Series-connection reactor |
| 09/18/2013 | CN203205873U Intelligent megawatt wind-and-solar integrated power station |
| 09/18/2013 | CN203205872U Power grid anti-accident maneuver system |
| 09/18/2013 | CN203205735U High-power inversion electric control cabinet based on photovoltaic power generation grid connected/off-grid integrated bus type power supply |
| 09/18/2013 | CN203205731U Street lamp illumination intelligent power distribution device |
| 09/18/2013 | CN203199848U Energy feedback type solar elevator |
| 09/18/2013 | CN203199825U Elevator energy-saving energy feedback control system |
| 09/18/2013 | CN203194369U Solar rechargeable crop pest trapping and deinsectization lamp |
| 09/18/2013 | CN103314498A Methods, systems, and software for controlling a power converter during low (zero)-voltage ride-through conditions |
| 09/18/2013 | CN103314497A Smart microgrid reconfigurable AC interface |
| 09/18/2013 | CN103313912A Device for transmitting/receiving power using ship |
| 09/18/2013 | CN103312212A Photovoltaic inverter |
| 09/18/2013 | CN103312187A Current transformer system |
| 09/18/2013 | CN103312184A Power circuit, current transformer structure and wind generator system comprising both |
| 09/18/2013 | CN103312139A Starting device of grid-connected inverter and control method thereof |
| 09/18/2013 | CN103312040A Control method for improving reliability of AVC (Automatic Voltage Control) system of electric power monitoring center |
| 09/18/2013 | CN103311958A Electric power supply-and-demand control apparatus |
| 09/18/2013 | CN103311957A Control method and control system for grid-side converter |
| 09/18/2013 | CN103311956A Wind generation set grid-connected operation stability improving method, device and system |
| 09/18/2013 | CN103311955A Frequency division doubly-fed wind generator |
| 09/18/2013 | CN103311954A Solar cell system |
| 09/18/2013 | CN103311953A System and method for controlling distributed power and energy storage system-containing power distribution network |
| 09/18/2013 | CN103311952A Turbogenerator |
| 09/18/2013 | CN103311951A Wind power plant power transmission method based on voltage transformation of middle frequency or high frequency transformer |
| 09/18/2013 | CN103311950A Urban rail train regenerative brake energy absorbing and using system and method |
| 09/18/2013 | CN103311949A Low voltage ride through control method for high-power photovoltaic inverter |
| 09/18/2013 | CN103311948A Modular energy portal with AC architecture for harvesting energy from electrical power sources |
| 09/18/2013 | CN103311947A Tri-pole direct current transmission system topology structure based on modular multi-level converter (MMC) |
| 09/18/2013 | CN103311946A Constant arc-extinguishing area control method of direct-current power transmission control system |
| 09/18/2013 | CN103311945A Starting method of high voltage direct current transmission system |