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)
06/2013
06/05/2013CN202978299U Modularized photovoltaic inverter
06/05/2013CN202978298U System for controlling powering off and powering on of wind turbine unit
06/05/2013CN202978297U Wind power generation system
06/05/2013CN202978296U Photovoltaic inverter backflow prevention system
06/05/2013CN202978295U Water power and photovoltaic power generation shared control apparatus
06/05/2013CN202978294U Power supply device for urban light rail
06/05/2013CN202978293U Large-scale electric vehicle cluster power supply system
06/05/2013CN202978292U 智能储能系统 Intelligent energy storage system
06/05/2013CN202978291U An electric energy storing system
06/05/2013CN202978290U Heat radiation structure for dynamic reactive power and harmonic compensation device
06/05/2013CN202978289U Reactive capacitor compensation cabinet
06/05/2013CN202978288U Low-voltage reactive compensation controller
06/05/2013CN202978287U Reactive compensation controller based on ATT7022A
06/05/2013CN202978286U Low-pressure reactive compensation box
06/05/2013CN202978285U Reactive compensation controller
06/05/2013CN202978284U Reactive compensating and filtering device
06/05/2013CN202978283U Valve group structure applied in high-voltage TSC dynamic reactive power compensator
06/05/2013CN202978282U Var generator cabinet body structure
06/05/2013CN202978281U Low-voltage capacitance compensation system
06/05/2013CN202978280U Intelligent hybrid high-pressure dynamic reactive power compensation device
06/05/2013CN202978279U Dynamic reactive power compensation equipment
06/05/2013CN202978278U Novel low-voltage thyristor-switched dynamic compensating device
06/05/2013CN202978277U Low-voltage side wire connection structure in high-voltage and direct-current convertor station
06/05/2013CN202978276U Secondary power-off device for prolonging working time of main load
06/05/2013CN202978275U Electric power system stabilizer
06/05/2013CN202978274U Heat dissipation structure used for harmonic compensation device
06/05/2013CN202978273U Harmonic filtering device suitable for intermediate frequency furnaces
06/05/2013CN202978272U Intelligent harmonic wave filtering energy saving device suitable for intermediate frequency furnaces
06/05/2013CN202978271U Active filter with heat radiation function
06/05/2013CN202978270U Harmonic wave resistant capacitor cabinet
06/05/2013CN202978269U Electric circuit power saver
06/05/2013CN202978268U Special-purpose single-phase-to-three-phase power source equipment for electrified railway
06/05/2013CN202978267U Multi-load characteristic matched optimized under frequency load shedding control system
06/05/2013CN202978254U SVG power unit with direct current support capacitor overvoltage protection
06/05/2013CN202978028U Energy recovery control cabinet
06/05/2013CN202978024U High-voltage reactive power automatic compensation device
06/05/2013CN202977992U Integrated low voltage combination capacitor cabinet
06/05/2013CN202975964U Reactor-based power line harmonic suppression plug-in module
06/05/2013CN202975136U Current acquisition device
06/05/2013CN202975134U Wave recording device and reactive power compensation system
06/05/2013CN202971133U Power saving device of air compressor
06/05/2013CN103141018A Hvdc converter comprising fullbridge cells for handling a DC side short circuit
06/05/2013CN103141007A System and method to manage power usage
06/05/2013CN103141004A Power conversion device
06/05/2013CN103140931A Circuit arrangement for setting a potential of a photovoltaic generator
06/05/2013CN103138673A Intelligent type capacity-increasing electricity-saving control system
06/05/2013CN103138672A Active disturbance rejection control method of direct-driven permanent magnet synchronization wind power system
06/05/2013CN103138637A Hybrid power supply system for photovoltaic off network, photovoltaic combined network, city network and energy storage
06/05/2013CN103138636A Hybrid power supply system for photovoltaic off network, photovoltaic combined network and energy storage
06/05/2013CN103138610A Direct current isolated grid-connected inverter circuit and photovoltaic inverter system
06/05/2013CN103138401A Device and method for carrying out primary frequency modulation on generator unit by applying of power management unit (PMU) frequency information
06/05/2013CN103138355A Charge-discharge control system
06/05/2013CN103138294A Operation and control method of large-scale wind turbine generator in micro grid system
06/05/2013CN103138293A Optimal distribution method and system for heat-engine plant plant-level loads
06/05/2013CN103138292A Method and system for dynamic management of electricity distribution grid
06/05/2013CN103138291A Wind power generation intelligent single-phase grid-connection controller
06/05/2013CN103138290A Microgrid seamless switching control method based on improving phase control under peer mode
06/05/2013CN103138289A Real-time digital simulation modeling method of high permeability wind power plant
06/05/2013CN103138288A Solar photovoltaic grid-connected system
06/05/2013CN103138287A Three phase inverter used for solar photovoltaic grid-connected system
06/05/2013CN103138286A Three-phase inverter device based on digital control technology
06/05/2013CN103138285A 等离子光伏发电 Plasma PV
06/05/2013CN103138284A Load distribution and control circuit of diesel generating set speed controller
06/05/2013CN103138283A Photovoltaic converter grid-connected control strategy based on internal model control
06/05/2013CN103138282A Reverse power protection system of photovoltaic grid-connected inverter
06/05/2013CN103138281A Method for merging multi-terminal flexile direct current transmission system outage station into operation system
06/05/2013CN103138280A Method of controlling the power input to a HVDC transmission link
06/05/2013CN103138279A Method for calculating load flow of power grid alternating current and direct current power transmission system based on state switching
06/05/2013CN103138278A Line tail end low pressure reactive power compensation device
06/05/2013CN103138277A Wind power plant reactive compensation control method
06/05/2013CN103138276A Reactive compensation method and device of distributing line of high-power motor containing 10 kilovolt (KV)
06/05/2013CN103138275A Switching virtual circuit (SVC) feedforward feedback controlling method based on high-power four-quadrant converter load
06/05/2013CN103138274A Monitorable magnetically-controlled reactor
06/05/2013CN103138273A Idle-work compensation automatic operation method
06/05/2013CN103138272A Total-sub compensation mixed compensation cabinet
06/05/2013CN103138271A Fuzzy control electricity saving method
06/05/2013CN103138270A Electric motor in-place reactive power compensation device
06/05/2013CN103138269A Layered and distributed network voltage regulator control system and method based on active mechanism
06/05/2013CN103138268A Low-voltage anti-island device of distributed photovoltaic power generation systems
06/05/2013CN103138267A Electric power system transient state stable real-time emergency control method based on relative kinetic energy
06/05/2013CN103138266A Rural power grid low voltage circuit tail end compensator of primary side regulating
06/05/2013CN103138265A Vice side adjusting rural power grid low-voltage line tail end compensator
06/05/2013CN103138264A Correcting method for reference signals of active power filter
06/05/2013CN103138263A Control method of power quality comprehensive treatment device
06/05/2013CN103138262A Sampling method for active power filter
06/05/2013CN103138261A Transient state power angle stable identification method based on speed difference-power angle difference variation tendency
06/05/2013CN103138260A Phase wire recognition device
06/05/2013CN103138259A Safety and stability analysis method for access of intermittent large-scale wind power to grid
06/05/2013CN103138258A 500-kilovolt controllable series compensation device simulation system model
06/05/2013CN103138257A Power-saving device
06/05/2013CN103138256A New energy electric power reduction panorama analytic system and method
06/05/2013CN103138255A Decomposition calculating method of optimal power flow of power system with unified power flow controller
06/05/2013CN103138227A Power distribution network fast power restoration method containing distributed power connected grid
06/05/2013CN103137302A Magnetic-controlled electric reactor with double angle-folded type three column triangle oblique angle circular iron cores
06/05/2013CN103137301A Single-phase double-column oblique angle oval iron core magnetically controlled reactor
06/05/2013CN103137299A Six column oblique angle oval iron core magnetically controlled reactor
06/05/2013CN103137298A Double-three-column triangular right-angle oval iron core magnetically controlled reactor
06/05/2013CN103137295A Magnetic-controlled electric reactor with double angle-folded type three column triangle oblique angle elliptic iron cores
06/05/2013CN103137294A Single-phase double-column oblique angle oval iron core magnetically controlled reactor
06/05/2013CN103137293A Double-three-column oblique angle round iron core magnetically controlled reactor
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