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)
03/2013
03/13/2013CN202797982U Dynamic reactive compensation and harmonic suppression device
03/13/2013CN202797981U Magnetically controlled reactor (MCR) type static var compensator
03/13/2013CN202797980U Low-voltage reactive power compensation and harmonic suppression device for busbar of submerged arc furnace
03/13/2013CN202797979U Automatic reactive compensation system based on power grid dispatching
03/13/2013CN202797978U Series capacitor protection device suitable for traction power substation
03/13/2013CN202797977U Power electronic system combining voltage support with fault current limiting
03/13/2013CN202797976U Electricity-saving device
03/13/2013CN202797975U Synchronous power generation dispatching application system
03/13/2013CN202797974U Power grid filter circuit structure
03/13/2013CN202797973U Multilevel static synchronous compensator
03/13/2013CN202797972U Passive filter device
03/13/2013CN202797971U Novel capacitor cabinet
03/13/2013CN202797970U Novel capacitor box
03/13/2013CN202797969U Intelligent control filtering device of power system
03/13/2013CN202797968U Magnetic field choked flow and resistance inductance load power controller
03/13/2013CN202797967U Novel power quality index monitoring device
03/13/2013CN202797890U Direct current inverter air conditioner and compressor driving current protection circuit
03/13/2013CN202797884U Intelligent household breaker
03/13/2013CN202797708U Box-type inversion integrated substation and photovoltaic power generation system
03/13/2013CN202797703U Photovoltaic box-type substation
03/13/2013CN202797675U Grid-connection cabinet
03/13/2013CN202797672U Photovoltaic distribution box
03/13/2013CN202797657U Low voltage integrated compensation power distribution cabinet
03/13/2013CN202797631U Grid-connection cabinet
03/13/2013CN102971950A Power control device
03/13/2013CN102971931A Method for controlling the stability of an electric supply grid
03/13/2013CN102971930A 电力控制装置和电力控制方法 Device power control and power control method
03/13/2013CN102971929A Power control device and power control method
03/13/2013CN102971928A Switching on end devices according to network load
03/13/2013CN102971927A System and method for paralleling electrical power generators
03/13/2013CN102971180A Analysis device of catenary-based transportation system, analysis method and program therefor
03/13/2013CN102969973A High-voltage high-capacity frequency converter system capable of performing four-quadrant operation based on modular multi-level converters
03/13/2013CN102969932A Multifunctional current-type bidirectional AC (Alternating-Current)/DC (Direct-Current) converter and control method thereof
03/13/2013CN102969931A Control method for PWM (Pulse Width Modulation) rectification type energy feedback device of single resistance current sample
03/13/2013CN102969925A Additional-voltage-free zero voltage switch energy-storing semi-bridge type inverter and modulation method
03/13/2013CN102969917A Two-way buck-boost direct current (DC) converter applied to energy storage system
03/13/2013CN102969906A Independent-feeding cascaded high-voltage frequency converter and feeding method thereof
03/13/2013CN102969749A Cell balancing method, cell balancing device, and energy storage system including the cell balancing device
03/13/2013CN102969742A Multifunction photovoltaic power generation experiment system and control method thereof
03/13/2013CN102969741A AGC (Automatic Generation Control) set control method based on dynamic regulation step length
03/13/2013CN102969740A Real-time power generation schedule correcting method of power plant
03/13/2013CN102969739A DC-AC (direct current to alternating current) power conversion device
03/13/2013CN102969738A Large-size photovoltaic grid-connected dual-axis tracking system
03/13/2013CN102969737A Stop priority control method used for photovoltaic inversion system
03/13/2013CN102969736A Chained converter topological structure of electromagnetic energy storage
03/13/2013CN102969735A Photovoltaic flexibility grid-connection device and control method
03/13/2013CN102969734A Power supply device for urban light rail
03/13/2013CN102969733A Coordination control method of multiterminal flexible direct current power transmission system
03/13/2013CN102969732A Mixed bipolar direct current (DC) transmission system
03/13/2013CN102969731A Distribution type photovoltaic energy storage system
03/13/2013CN102969730A Control method of double stage chain type energy storage converter
03/13/2013CN102969729A Energy accumulation control system and control method for stabilizing single wind power fluctuation
03/13/2013CN102969728A Control method for reducing wind power curtailment of battery energy storage system
03/13/2013CN102969727A Low-voltage reactive compensation control device and fault self-diagnosis method
03/13/2013CN102969726A Intelligent dynamic reactive compensation device
03/13/2013CN102969725A Reactive compensation system of rural power grid line
03/13/2013CN102969724A Wirelessly-powered electrically-operated device
03/13/2013CN102969723A Integrated energy extracting device for power electronic equipment
03/13/2013CN102969722A Wind farm reactive voltage control method
03/13/2013CN102969721A Parallel perceptual reactive compensation method for inhibiting steady over-voltages of power distribution networks containing small hydropower
03/13/2013CN102969720A Load dynamic control and analysis method capable of being applied in smart power grids
03/13/2013CN102969719A Intelligent harmonic wave filtering energy-saving device suitable for intermediate frequency furnace
03/13/2013CN102969718A Current sampling method for active power filter
03/13/2013CN102969717A Filter compensation module
03/13/2013CN102969716A Method for controlling active power filter of marine electrical network
03/13/2013CN102969715A Fast two-way switching electric energy supplementation management device and method
03/13/2013CN102969714A Secondary arc current analysis method for parallel circuits
03/13/2013CN102969713A Low-frequency oscillation mode time-frequency analyzing method of power system
03/13/2013CN102969712A Power supply of electrical propulsion ship
03/13/2013CN102969711A Line loss control system
03/13/2013CN102969710A Measuring method of power distribution network node load virtual volume under incomplete information
03/13/2013CN102969709A Method for judging three phase voltage vector space locations
03/13/2013CN102969708A Interline power flow controller based on modular multi-level converter structure
03/13/2013CN102969656A Low-voltage comprehensive capacitance integrated cabinet
03/13/2013CN102278265B Power generation method and device based on complementary power generation by use of water wave energy and wind energy
03/13/2013CN102222933B Network access current control method for single-phase less container load (LCL) filtering grid-connected inverter
03/13/2013CN102201741B Phase-controlled type AC-AC (alternating current) frequency converter real-time trigger pulse generation system and method thereof
03/13/2013CN102185320B Active power filter based on boost direct current-direct current (DC-DC) conversion circuit
03/13/2013CN102170138B Large-scale energy storage method based on electricity-aluminium-hydrogen circulating system
03/13/2013CN102142694B Rotational coordinate transformation based current decoupling control method for three-phase grid-connected inverter
03/13/2013CN102064749B Motor soft startup device capable of giving consideration to reactive power compensation and control method thereof
03/13/2013CN102005962B Buck-boost grid-connected inverter and control method thereof
03/13/2013CN101969281B Coordination control and optimization method for battery energy accumulation and photovoltaic power generation based on co-direct current bus
03/13/2013CN101895115B Method for constructing distributed power supply smart grid with hierarchy structure
03/13/2013CN101682192B Method and system to influence the power generation of an adjustable speed generator
03/13/2013CN101615800B Optimization method for VQC control mode of transformer station
03/13/2013CN101615796B Optimization method for comprehensive automation system VQC of transformer station
03/12/2013US8397085 Master controller containing a control processor configured to receive power cell control information and a host processor configured to receive command and status information
03/12/2013US8396607 Grid responsive control device
03/12/2013US8395280 Circuit arrangement including a multi-level converter
03/12/2013US8395279 Shadow detection apparatus using fiber optics for solar-based power generation plants
03/12/2013CA2660949C Modulation control of power generation system
03/12/2013CA2460724C Method for operating a wind park
03/07/2013WO2013033401A2 Centrifuge with regenerative braking
03/07/2013WO2013033387A1 Methods and apparatus for determining conditions of power lines
03/07/2013WO2013033374A1 Methods and apparatus for determining conditions of power lines
03/07/2013WO2013033137A1 Bypass switch for a boost device
03/07/2013WO2013032147A1 Data transmitting method, data transmitting apparatus, and energy storage system including the same
03/07/2013WO2013032026A1 Control method for system and system
03/07/2013WO2013032022A1 Method for controlling system, and control device
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