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)
08/2009
08/19/2009	CN201294387Y 节能型电容补偿投切控制器 Energy-efficient switching controller capacitance compensation
08/19/2009	CN201294386Y Intelligent three-phase electronic power-saving device
08/19/2009	CN201294385Y Intelligent low-voltage filtering power capacitor
08/19/2009	CN201294384Y Anti-interference structure for electric control cabinet of wire-drawing machine
08/19/2009	CN201294383Y Variable frequency power supply wide-band filter
08/19/2009	CN201294382Y Zero sequence harmonic filtering device for low-pressure system
08/19/2009	CN201294381Y Filter
08/19/2009	CN201294380Y Automatic control device for electric power system
08/19/2009	CN201294354Y Household metering electricity-saving distributor box
08/19/2009	CN101512866A Micro-grid system construction method
08/19/2009	CN101512865A Transition from AC line to high voltage DC line
08/19/2009	CN101512864A Apparatus and method for transmission system
08/19/2009	CN101510704A Water electrolytic hydrogen production and minitype gas turbine-switch reluctance motor united generating set
08/19/2009	CN101510695A Double fed asynchronous wind power generator rotor side parallel-in control method
08/19/2009	CN101510694A Control system for wide domain wind-powered peak regulation of electric power system
08/19/2009	CN101510693A Method and apparatus for obtaining hyposynchronous oscillation revolution speed signal
08/19/2009	CN101510692A Reactive power compensating controller and method for switching capacitance
08/19/2009	CN101510691A Synchronization zero-cross processing method for line current
08/19/2009	CN101510690A Nonpolarity active electrolytic capacitor
08/19/2009	CN101510689A Synchronous switch
08/19/2009	CN101510688A Device for restraining power cord electromagnetic interference with lightning surge protection
08/19/2009	CN101510687A Frequency conversion method for implementing multi-sampling rate signal using window function in electric network
08/19/2009	CN101510686A Micro electric network coordination control system based on multi-proxy technology
08/19/2009	CN101510685A Distributed intelligent control system based on biology immunity principle
08/19/2009	CN101510684A Method for evaluating stabilization margin of non-model actual measurement track
08/19/2009	CN101510683A Operation method for jellfication resistance power cable
08/19/2009	CN101510104A Three phase ac voltage stabilizer applying multi-standard method and three phase ac voltage stabilizer
08/19/2009	CN100530934C Control method for inhibiting input electric network power fluctuation in wind power generation system
08/19/2009	CN100530891C Sampling circuit and voltage sampling method for three-level power factor calibration circuit
08/19/2009	CN100530890C Power factor correcting circuit
08/19/2009	CN100530889C Integrated power quality adjustment control method and device
08/19/2009	CN100530888C Generation facility management system
08/19/2009	CN100528626C Regenerating braking energy inverting device for orbit traffic vehicle
08/18/2009	US7576449 Method for converting direct voltage into three-phase alternating voltage
08/18/2009	US7576448 Switched outlet module and method therefor
08/18/2009	US7576447 Control and supply system
08/18/2009	US7576446 Zero voltage switching (ZVS) in a power converter
08/18/2009	CA2392255C Capacitor bank switching
08/13/2009	WO2009099657A2 Wireless interface circuits for wired thermostats and electrical service demand management
08/13/2009	WO2009098288A2 System and methods for scheduling power usage
08/13/2009	WO2009098093A2 Inverter arrangement for feeding photovoltaically generated power into a public network
08/13/2009	WO2009063397A3 Method, apparatus and system for demand side electrical load management
08/13/2009	US20090202741 Multiple Phase RF Power for Electrode of Plasma Chamber
08/13/2009	US20090201702 Converter Station
08/13/2009	US20090200994 Method and apparatus for distributed var compensation
08/13/2009	US20090200872 Controlled series compensator and method
08/13/2009	US20090200870 Power supply unit
08/13/2009	US20090200869 System and method for creating a networked infrastructure roadway distribution platform of solar energy gathering devices
08/13/2009	US20090200867 System and methods for scheduling power usage
08/13/2009	DE102008008795A1 Current supply blackouts avoiding method, involves utilizing wire-bound or wireless energy and information networks, which are independent of each other and work absolutely and automatically by group of instructions
08/13/2009	DE102008007927A1 Providing hydrogen, oxygen, electric current and/or heat for a chemical process, comprises electrolytically producing hydrogen and oxygen, and temporarily and partially supplying the produced hydrogen and/or oxygen to a chemical process
08/13/2009	DE102008007448A1 Verfahren zum Betreiben einer Windenergieanlage A method of operating a wind power plant
08/12/2009	EP2088660A2 Method and switching assembly for optimising the energy consumption of a consumer in an alternating current network
08/12/2009	EP2087571A1 Controllable phase-angle converter
08/12/2009	EP1281225B1 Method and system for providing voltage support to a load connected to a utility power network
08/12/2009	CN201290079Y Midget plant
08/12/2009	CN201290010Y Cascade dynamic voltage recovery device
08/12/2009	CN201290009Y Automatic switching device for discharge resistance of compensation condenser
08/12/2009	CN201290008Y Multi-power unit parallel type active electric force filter
08/12/2009	CN201290007Y Energy-saving and purification device for digital electric network
08/12/2009	CN201289992Y Controllable rectifying device for mobile DC power supply
08/12/2009	CN101507080A DC filter and voltage source converter station comprising such filter
08/12/2009	CN101507079A Power accumulator and hybrid distributed power supply system
08/12/2009	CN101507078A Current balancer and low-voltage power distribution system
08/12/2009	CN101507077A Controlled series compensator and method
08/12/2009	CN101507076A Power converter arrangement and method
08/12/2009	CN101507075A Power system
08/12/2009	CN101507074A Parameter estimation of a thermal model of a power line
08/12/2009	CN101505129A Synthetic regulating apparatus for digital hydro-turbo generator set and control method thereof
08/12/2009	CN101505106A Cascade multi-level converter
08/12/2009	CN101505077A Energy saving electricity generating apparatus
08/12/2009	CN101505065A Energy management system and control method using the same
08/12/2009	CN101505064A Control method for series connection type active electric power filter
08/12/2009	CN101505063A Wind power generation system
08/12/2009	CN101505062A Multi-target collaborative control method for electrical power system wide domain wind powered peak regulation control system
08/12/2009	CN101505061A Computation method capable of tracking Davinan equivalence parameter base on time domain simulation
08/12/2009	CN101505060A Frequency conversion method for implementing multi-sampling rate signal by using narrow band filtering in electricity grid
08/12/2009	CN101505059A Electricity transmission network reactor parameter estimation method in scheduling energy management system
08/12/2009	CN101505058A Dual recursive neutral element sensitivity load network modeling apparatus and method based double network
08/12/2009	CN101503065A Non phase separation type traction power supply equipment for railway locomotive
08/12/2009	CN101503064A Through type non-phase separation balanced power supply electrified railroad traction system
08/11/2009	US7573160 Methods and apparatus for controlling windfarms and windfarms controlled thereby
08/11/2009	US7573155 Systems and methods for distributing loads
08/11/2009	US7573153 Power supply apparatus for field devices
08/11/2009	US7573152 Power sequencing circuit
08/06/2009	WO2009096816A1 Transformer-type controllable reactor
08/06/2009	WO2009095528A1 Transport system
08/06/2009	US20090196077 Energy management system and control method using the same
08/06/2009	US20090195077 Intelliroad
08/06/2009	US20090195076 System Comprising at Least Two Guideway-Related Guideway Components of a Track Guideway and a Transformer Station
08/06/2009	US20090195073 System and apparatus for generating ideal rise and fall time
08/06/2009	US20090195070 Electric energy control system
08/06/2009	US20090195065 Integrated circuit with supply line intra-chip clock interface and methods for use therewith
08/06/2009	CA2713403A1 Method and system for multiphase current sensing
08/06/2009	CA2711948A1 Method for operating a wind energy plant
08/05/2009	EP2086102A2 Inverter for converting an electric direct current into an alternating current or an alternating voltage
08/05/2009	EP2086101A2 Energy feed-in device
08/05/2009	EP2086087A2 Electronic Load Control Unit (ELCU) used as bus tie breaker in electrical power distribution
08/05/2009	EP2084801A1 Method for operating a low-voltage electrical system
08/05/2009	EP2083692A2 Systems, methods and apparatus for a mobile imaging system equipped with fuel cells

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