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)
04/2014
04/16/2014EP2719044A1 Control unit for an electrical generation/consumption system
04/16/2014CN203554353U Electricity-saving protection system for pipe production line
04/16/2014CN203554317U A photovoltaic inverter power supply system
04/16/2014CN203554308U Active electric power filtering power unit
04/16/2014CN203554070U Electrical power quality optimization system
04/16/2014CN203554061U AC power supply screen power supply device and system
04/16/2014CN203553964U Load balancing circuit for boat power distribution network
04/16/2014CN203553963U Control system for hybrid power station based on CPP type shaft generators and diesel generators
04/16/2014CN203553962U Micro grid protection coordination controller
04/16/2014CN203553961U Reasonable power distribution system for electric appliances of high-rise building power transformation engineering
04/16/2014CN203553960U Full-current composite high-voltage direct-current transmission system
04/16/2014CN203553959U Multi-terminal flexible direct-current power transmission system
04/16/2014CN203553958U Home intelligent multifunctional energy storage power system
04/16/2014CN203553957U Device capable of balancing three-phase current
04/16/2014CN203553956U Rural 10kV electric power circuit reactive power compensation controller
04/16/2014CN203553955U Reactive capacitance compensation cabinet
04/16/2014CN203553954U Automatic-controlled combined optimization dynamic switching reactive power compensation device
04/16/2014CN203553953U Advanced reactive power compensation system of power transformation engineering
04/16/2014CN203553952U Centrally-controlled multi-module static synchronous compensator
04/16/2014CN203553951U Static reactive compensation generator based on current sine
04/16/2014CN203553950U Double-start multi-compensation-mode static reactive-power compensation generator
04/16/2014CN203553949U Double-DSP SVG based on linear secondary regulator
04/16/2014CN203553948U High-voltage static synchronous compensator (STATCOM)
04/16/2014CN203553947U Novel inductive reactive harmonic generator for power system
04/16/2014CN203553946U Drawer type reactive power compensation module
04/16/2014CN203553945U Shunt magnetically-controlled reactor-type dynamic reactive voltage regulation device
04/16/2014CN203553944U Pole-mounted magnetically-controlled reactor-type dynamic reactive?voltage regulation device
04/16/2014CN203553943U Dynamic harmonic suppression system for power grid
04/16/2014CN203553942U Magnetic integrated type hybrid electric power filtering and reactive compensation system
04/16/2014CN203553941U Transformer induction filtering and reactive compensation integration device suitable for wind electricity
04/16/2014CN203553940U Dual-DSP-based controller of voltage compensation and fault current limiting mixed system
04/16/2014CN203553939U Power distribution equipment
04/16/2014CN203553938U Energy-saving comprehensive optimization system of residential power-distribution cable engineering
04/16/2014CN203553937U Middle-voltage energy-saving loss-reducing system for power transmission and distribution engineering
04/16/2014CN203553936U Microgrid stabilization controller
04/16/2014CN203552913U Three-phase reactor and inverter grid-connecting system
04/16/2014CN103733499A Control arrangement and method for regulating the output current of a DC source power converter connected to a multi-source DC system
04/16/2014CN103733470A Electric vehicle charging system and electric vehicle charging apparatus
04/16/2014CN103733465A Charging device
04/16/2014CN103733464A High dynamic DC-voltage controller for photovoltaic inverter
04/16/2014CN103733463A Method and apparatus for controlling energy services based on market data
04/16/2014CN103733462A Distributed energy grid management
04/16/2014CN103733461A Control unit for an electrical generation/consumption system
04/16/2014CN103733460A Interoperability of magnetic structures for inductive power transfer systems
04/16/2014CN103733459A Power-smoothing controller and power-smoothing control method
04/16/2014CN103731058A Control method for photovoltaic grid-connected inverter based on LCL filter
04/16/2014CN103731054A Device for converting direct current into alternating current and adopting double auxiliary power supplies
04/16/2014CN103731020A Standby control method of photovoltaic inverter
04/16/2014CN103731010A Frequency conversion control method for photovoltaic current transformer
04/16/2014CN103730962A ZigBee compound switch
04/16/2014CN103730914A Electrical quantity based anti-islanding device and operation method thereof
04/16/2014CN103730913A Gradual adjustment sequence based wind power integration system and method
04/16/2014CN103730912A Photovoltaic grid-connected inverter with module design structure
04/16/2014CN103730911A Grid connection method of photovoltaic grid connection inverter and photovoltaic grid connection power generating system
04/16/2014CN103730910A Dynamic equivalence method for large-scale photovoltaic power station grid connection
04/16/2014CN103730909A Communication base station solar energy direct-current grid-connection power generation DC-DC special control device and method
04/16/2014CN103730908A Method for controlling energy storage converters in large-scale off-grid micro-grid
04/16/2014CN103730907A Defense method for commutation failures of direct-current transmission based on current limiting method
04/16/2014CN103730906A Method for coordination control over restraint in mixed direct-current transmission phase-commutation failure
04/16/2014CN103730905A Accumulator power supply simulation device and method
04/16/2014CN103730904A Stopping control system for abnormal separating brake accidents of outlet breaker of pump storage unit
04/16/2014CN103730903A Flexible direct current additional subsynchronous oscillation control system for suppressing subsynchronous resonance and oscillation
04/16/2014CN103730902A Method and device for guiding force exertion of energy storage system for stabilizing wind and light power fluctuation
04/16/2014CN103730901A Carrier communication combined switch
04/16/2014CN103730900A Multi-time-scale province-region-county integrated reactive power optimization method of electric system
04/16/2014CN103730899A Parallel filtering compensation device in low-voltage frequency control and speed regulating equipment
04/16/2014CN103730898A Method for additional function control for modularized multilevel current converter
04/16/2014CN103730897A Backward/forward three-phase load flow calculation method for ungrounded power distribution network
04/16/2014CN103730896A Operation control method of distributed power supply of active power distribution network
04/16/2014CN103730895A Bypass type 220V power grid electric dazzling prevention device and control method thereof
04/16/2014CN103730894A Diagram checking method and device of energy management system
04/16/2014CN103730893A Power grid province coordination control method under ultra-short-term load forecast balance mode
04/16/2014CN103730892A Grid security and stability control method involved in wind power plant benefit fairness
04/16/2014CN103730891A Micro-grid operational control method based on multiple agents
04/16/2014CN103730890A Method for restraining secondary arc current of transposition-free super-high voltage/ultra-high voltage transmission line
04/16/2014CN103730841A Capacitor circuit in transformer substation and transformer substation
04/16/2014CN103151775B Distributed feeder automation topology calculation method for power distribution network based on local information
04/16/2014CN102897615B Electricity feedback device and method of elevator and elevator
04/16/2014CN102723743B Coordination control method for grid-connected wind-solar hybrid generating system
04/16/2014CN102684224B Unit combination method for resolving and considering wind power volatility
04/16/2014CN102664409B Real-time prediction calculation method based on measured data for wind power of wind power station
04/16/2014CN102651554B Control method and device for accessing energy-storage photovoltaic system into urban rail traction network
04/16/2014CN102646995B Wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters
04/16/2014CN102646980B Novel primary frequency-modulation compensation control method of unit thermal generator set
04/16/2014CN102629762B Floating frequency difference regulation and variable rate load instruction modification-based primary frequency regulation method
04/16/2014CN102624249B Compound control method of three-phase to two-phase orthogonal inverter power supply with reactive compensation function
04/16/2014CN102624004B Magnetic valve controllable reactor
04/16/2014CN102611118B Method for comprehensively controlling reactive voltage of wind farm with imported prediction method
04/16/2014CN102611108B Three-level three-phase four-wire active power filter and control method thereof
04/16/2014CN102611106B Maximum load supply capability evaluation method of medium-voltage power distribution network for loop power supply
04/16/2014CN102593825B Method for acquiring power flow of annular power distribution network based on virtual constant current load
04/16/2014CN102590685B Current matching state estimating method of power distribution network
04/16/2014CN102570480B Evaporating and cooling system of reactive power compensation device
04/16/2014CN102437576B Active power filter (APF) controller and control method thereof
04/16/2014CN102341991B Power control system and method and program for controlling power control system
04/16/2014CN102324865B Method for controlling three-phase current transformer in photovoltaic grid-connected power generating system
04/16/2014CN102324748B Statcom control system based on chaos self-adaptive control
04/16/2014CN102227053B Intelligent modularized electricity distribution system
04/16/2014CN102157956B Virtual-impedance-based inverter parallel running method
04/16/2014CN102148497B Optimal configuration method of series reactor for limiting short-circuit current
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