Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
08/2010
08/25/2010CN201563084U Asynchronous motor soft-starting and in-situ compensation device
08/25/2010CN201562979U Wind electric field power output balanced device based on superconductive magnetic energy storage
08/25/2010CN201562978U Control cabinet for wind power generation inverter
08/25/2010CN201562977U Automatic switching mother-and-child type box transformer
08/25/2010CN201562976U Interconnected photovoltaic generating system based on repeated control inverter
08/25/2010CN201562975U Three-phase load balancing device
08/25/2010CN201562974U Mining automatic reactive power compensation device
08/25/2010CN201562973U High-voltage power reactive compensation comprehensive protection controller
08/25/2010CN201562972U Electric power reactive compensation controller
08/25/2010CN201562971U Stationary synchronous compensator device based on the mixing energy storage of solar energy and battery
08/25/2010CN201562970U Novel heat dissipation structure on reactive power compensation device
08/25/2010CN201562969U Digital type low-frequency low-voltage control device
08/25/2010CN201562968U Device based on active power filter controlled by digital signal processing chip
08/25/2010CN201562967U Low-frequency deloading control device
08/25/2010CN201562966U Constant-power control system of resistance furnace,
08/25/2010CN201561307U LED lighting lamp
08/25/2010CN101814882A Position-sensor-free permasyn motor direct driving device and driving method
08/25/2010CN101814861A Grid-connection power supply device of overpass solar power station built above coastal mudflat
08/25/2010CN101814849A Full bridge three-level controlled conversion device
08/25/2010CN101814746A Method for generation by connecting solar unidirectional grid-connected generating inverters to three-phase state grid
08/25/2010CN101814745A Wind power generation simulation system based on brushless synchronous generator
08/25/2010CN101814744A Wind power generation simulation system based on doubly-fed generator
08/25/2010CN101814743A Wind power integration on-line safety early warning system based on short-term wind power prediction
08/25/2010CN101814742A Transformer for high-voltage direct current power grid
08/25/2010CN101814741A Transformer for solar photovoltaic generation
08/25/2010CN101814740A External network equivalence method for electric power system applicable to subsynchronous resonance
08/25/2010CN101814739A Low-frequency oscillation real-time control method for power system
08/25/2010CN101814738A Method for evaluating reactive power adequacy of power system based on heuristic energy function
08/25/2010CN101814737A Pressure regulating and capacitance regulating reactive power automatic compensation method
08/25/2010CN101814736A Smart grid realization method of on-line voltage-stability safety estimation system
08/25/2010CN101814735A Method for expansion planning of power transmission network
08/25/2010CN101814734A Electric energy quality optimization method based on fieldbuses
08/25/2010CN101814733A Electromagnetic transient-state and electromechanical transient-state mixed real-time simulation interface process control system
08/25/2010CN101540582B Motor economic operation controller
08/25/2010CN101145691B Frequency sensitive filter
08/24/2010US7783389 Power storage equipment management system
08/24/2010US7781914 Input and output power modules configured to provide selective power to an uninterruptible power supply
08/24/2010US7781909 Control circuit of power supply, power supply and control method thereof
08/20/2010CA2693737A1 Inverter for a distributed power generator
08/19/2010WO2010093345A1 Method and system for reducing feeder circuit loss using demand response
08/19/2010WO2010092599A1 An electric correction unit
08/19/2010WO2010092158A2 Ac-connection of an off-shore wind-park to an on-shore electricity grid and booster transformer for providing such an ac-connection
08/19/2010WO2010092113A1 Power supply system
08/19/2010WO2010091786A2 Photovoltaic system for feeding three-phase current to a power grid
08/19/2010WO2010091443A2 Dc-ac converter for a photovoltaic system comprising a string monitoring assembly and a method for monitoring the strings
08/19/2010WO2010074397A3 Apparatus and method for controlling output voltage interconnected with utility networks
08/19/2010US20100207460 Apparatus and method for motor driven appliance energy conservation
08/19/2010US20100207457 Power system having dual synchronization
08/19/2010US20100207456 Control of small distributed energy resources
08/19/2010US20100207453 Hybrid renewable energy turbine using wind and solar power
08/19/2010US20100207452 Mobile hybrid electrical power source
08/19/2010US20100207448 load management controller
08/19/2010US20100206366 Photovoltaic multi-junction wavelength compensation system and method
08/19/2010DE102009007797A1 Method for supplying electrical current to immobilization brake in powered electrical motor of industrial machine, involves producing supply current from current portion and supplying current to brake
08/19/2010DE102009007796A1 Method for supplying electrical supply current to electronic wedge brake of e.g. vehicle, involves diverting current portion from motor power line, and producing supply current from current portion, where supply current is supplied to brake
08/18/2010EP2219277A1 AC-connection of an off-shore wind-park to an on-shore electricity grid
08/18/2010EP2219276A1 Photovoltaic assembly for three-phase feeding into an electric energy supply network
08/18/2010EP2219275A1 Electric circuit for converting direct current into alternating current
08/18/2010EP2218170A1 Solar inverter having a plurality of individual inverters connected in parallel and having a primary electronic control unit
08/18/2010EP2218156A2 Apparatuses and methods to connect power sources to an electric power system
08/18/2010EP1265333B1 Configuration of one part of the electrical power distribution
08/18/2010CN201557078U Energy-saving device for AC asynchronous motor with function of improving power factor
08/18/2010CN201556969U Power supply system
08/18/2010CN201556949U Subsynchronous oscillation suppression device for generator set based on fully controlled type converter
08/18/2010CN201556948U 66kV optically-controlled water-cooling thyristor trigger circuit
08/18/2010CN201556947U Three-phase three-wire dynamic split-phase reactive power compensation device
08/18/2010CN201556946U Dynamic reactive power compensation device with grading and shielding rings
08/18/2010CN201556945U Zero current non-arcing switched voltage adjusting and stabilizing device
08/18/2010CN201556944U Water-proof and dust-proof power supply wave filter
08/18/2010CN201556943U Network-based power supply distributor with watt-hour meter
08/18/2010CN201556942U Digital power regulating module
08/18/2010CN101809840A Energy supply provided with distribution station
08/18/2010CN101809839A Controlling distribution of electrical power
08/18/2010CN101809837A Aerogenerator system
08/18/2010CN101809552A System, method, and computer software code for linking a plurality of powered systems having different linking protocols to operate as a single powered system
08/18/2010CN101809452A Method and apparatus for monitoring power transmission
08/18/2010CN101807821A Energy saving system of elevator
08/18/2010CN101807800A Novel grid-connected bridge inverter free of dead time effect
08/18/2010CN101807799A Super capacitor energy storage type power quality compensator
08/18/2010CN101807798A Section data integration method for power system safety and stability online analysis
08/18/2010CN101807797A Rapid fault diagnosis method used for microgrid
08/18/2010CN101807796A Automatic maintenance method of topological model of power system
08/18/2010CN101807795A Method for forming electric energy metering simulation system and device thereof
08/18/2010CN101807794A Electronic device and method for regulating power consumed thereby in located electric network thereof
08/18/2010CN101388548B Dead zone processing method and logic circuit for distribution network electric energy quality regulator
08/18/2010CN101257275B Single feed synchronous wind-driven generator group
08/17/2010US7778940 System and method for creating and operating an enhanced distributed energy network or virtual power plant
08/17/2010US7777366 Energy saving system for use with swimming pool filter systems
08/17/2010US7777365 Polyphase power distribution and monitoring apparatus
08/12/2010WO2010091076A1 Integrated voltage and var optimization process for a distribution system
08/12/2010WO2010090870A2 Method and apparatus for characterizing a circuit coupled to an ac line
08/12/2010WO2010090539A1 Inductive power transfer apparatus
08/12/2010WO2010090538A1 Inductive power transfer apparatus
08/12/2010WO2010089607A1 Power management system
08/12/2010WO2010089438A1 Electric power consumption micro-meter
08/12/2010WO2010089396A2 Smart metering device with phase selector
08/12/2010WO2010089253A1 Distributed electrical power production system and method of control thereof
08/12/2010WO2010088969A1 Converter
08/12/2010WO2010088928A1 Method for feeding a multiphase electric network and associated circuit arrangement
08/12/2010WO2010066842A3 Component for power supply system
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