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)
11/2012
11/14/2012CN102780234A High-voltage electric debugging method for power generation project
11/14/2012CN102780233A Large-scale distributed photovoltaic power station user-side grid countercurrent-preventive system
11/14/2012CN102780232A Three-ring control method and three-ring control device of single-stage type photovoltaic grid-connected inverter system
11/14/2012CN102780231A Direct-current current source loop-based wind power station converging and grid-connecting method
11/14/2012CN102780230A Flywheel array energy storage system with multiple parallel-connected flywheel energy storage units
11/14/2012CN102780229A Wind turbine power control system applying super capacitor
11/14/2012CN102780228A 电容器 Capacitors
11/14/2012CN102780227A Chained static compensator (STATCOM) direct-current-side voltage controlling method and controlling circuit based on voltage-sharing capacitor
11/14/2012CN102780226A Direct-current-side voltage control method of cascaded STATCOM (static var compensator) based on chopping-control voltage sharing and control circuit
11/14/2012CN102780225A Intelligent three-phase asynchronous motor in situ automatic compensation device
11/14/2012CN102780224A Seamless cut-off controlling method for chained multi-level inverter error unit
11/14/2012CN102780223A Monitoring system and monitoring method for low voltage ride through of wind turbine
11/14/2012CN102780222A Method and apparatus for controlling electric grid in islanding mode
11/14/2012CN102780221A System and method for controlling online type photovoltaic power generation microgrid without storage device
11/14/2012CN102780220A Power flow calculation method for electric distribution network comprising PV constant distributed generation
11/14/2012CN102780219A Method for discriminating wind power digestion capability from multiple dimensions based on wind power operation simulation
11/14/2012CN102779612A Pre-magnetizing device for main power supply transformer of electric power circuit
11/14/2012CN102779223A Method and device for forecasting short-term power load
11/14/2012CN102147593B Flow self-definition configuration method for safe and stable multi-algorithm packaging of power system
11/14/2012CN102103362B Micro-grid system and micro-grid system-based fuzzy control method
11/14/2012CN102074974B Method for eliminating grid-connected current zero-crossing distortion of unipolar control single-phase grid-connected inverter
11/14/2012CN102064553B Control command code based automatic substation voltage control method
11/14/2012CN102055201B Power system low-frequency oscillation mechanism analysis method based on micro-disturbance signal oscillation mode recognition
11/14/2012CN102055192B Selecting method of discrete reactive equipment based on weighting operation factors
11/14/2012CN102035217B Control method for actively preventing simultaneous low-voltage tripping of sets in wind power field
11/14/2012CN102035212B Electric locomotive non-power-off neutral section passing-electric energy quality comprehensive compensation device and method
11/14/2012CN102025153B Method for accurately calculating maximum power supply capacity of medium voltage distribution network
11/14/2012CN102005780B Fault protection and energy stabilizing circuit of double-fed wind driven generator
11/14/2012CN101976835B Parallel computation method for Newton power flow of large-scale electric power system
11/14/2012CN101917002B Ultrahigh voltage power network interconnection line operating state-based voltage control method
11/14/2012CN101888090B Static reactive power compensation device based on energy method and control method thereof
11/14/2012CN101867184B Electrical energy supplying method, power network and power network management system
11/14/2012CN101841155B Typical fault set identification method for transient stability analysis of power system
11/14/2012CN101647173B Damping electromagnetic oscillations in power systems
11/14/2012CN101336529B Communication structure for solar inverters
11/13/2012US8310105 Centralized islanding protection for distributed renewable energy generators
11/13/2012US8310104 Substantially bumpless transfer grid synchronization
11/13/2012US8310103 Cell site power system management, including battery circuit management
11/13/2012US8310102 System and method for power conversion
11/13/2012US8310101 Grid synchronisation
11/13/2012US8310100 System and method for a redundant power solution
11/13/2012US8310099 Energy supply in which a plurality of components disposed along a transmission route each transform a voltage
11/13/2012US8310095 Power compensator and method for providing a black start with that compensator
11/13/2012US8310092 Outdoor electrical power receptacle and control system thereof
11/13/2012US8310091 Monitoring system and input and output device thereof
11/13/2012US8310089 Power sharing network communications device
11/13/2012US8310088 Field device for a processing plant and method for supplying the field device
11/13/2012US8310087 Configurable apparatus and methods for supplying power and data to electronic devices
11/13/2012US8310081 Power line communications coupler for effecting signal coupling between electric signaling equipment and an electric power system
11/13/2012CA2537971C Power-station installation
11/08/2012WO2012150574A1 Photovoltaic plant
11/08/2012WO2012149870A1 Power generation equipment
11/08/2012WO2012115910A3 Power supply and power control circuitry
11/08/2012WO2012103951A3 Power electronic converter
11/08/2012WO2012103889A3 Potential compensation for electric inverter
11/08/2012WO2012026229A3 Method for scheduling the operation of power generators
11/08/2012US20120281441 Circuit for converting a direct current voltage to an alternating current voltage
11/08/2012US20120280577 Method and apparatus for transmitting discontinuous monopolarized electrical energy
11/08/2012US20120280570 Electrical power distribution installation
11/08/2012US20120280569 Supercapacitor-based grid fault ride-through system
11/08/2012US20120280566 Levelling Partial Powers Flowing via the Individual Phases of a Multi-Phase AC Grid
11/08/2012US20120280565 System and Method for an Intelligent Power Controller
11/08/2012US20120280563 Time-domain multiplexing of power and data
11/08/2012DE102011100399A1 Reversible method for low-loss, time-spatial independent generation, transmission, distribution, storage and releasing of electrical energy for e.g. transport application, involves producing direct current voltage from liquefied gas
11/07/2012EP2521244A1 Control device, power use control system, and control method
11/07/2012EP2521240A2 Electric circuit for a wind farm
11/07/2012EP2521239A1 Household electricity storage system
11/07/2012EP2521238A1 Household electricity storage system
11/07/2012EP2521237A1 Systems, methods, and apparatus for integrated volt/VAR control in power distribution networks
11/07/2012EP2521236A1 Wire housing apparatus, vehicle equipped with same, and power feeding device
11/07/2012EP2519419A1 Mining vehicle and method for its energy supply
11/07/2012EP2137800B1 A load management controller
11/07/2012CN202524341U Reactance type startup disk for 10 kilovolt 900 horsepower air compressor
11/07/2012CN202524319U High efficiency grid-connected inverter circuit
11/07/2012CN202524301U Grid-connected inverter of wind-driven generator
11/07/2012CN202524258U Variable power input constant frequency power generation system using birotor motor
11/07/2012CN202524100U Control system of solar inverter
11/07/2012CN202524099U Photovoltaic power generation grid connection control device
11/07/2012CN202524098U Reactive power compensation device
11/07/2012CN202524097U Dynamic fling-cut switch
11/07/2012CN202524096U Static reactive power compensator
11/07/2012CN202524095U Static var generator
11/07/2012CN202524094U Harmonic wave var compensator of high stability
11/07/2012CN202524093U Modularized active reactive power compensation device
11/07/2012CN202524092U High voltage reactive power compensation complete device
11/07/2012CN202524091U Low-voltage reactive power compensation device
11/07/2012CN202524090U TSC thyristor switching device
11/07/2012CN202524089U Intelligent control 110-kV three-winding transformer parallel operation automatic switching device
11/07/2012CN202524088U Intelligent control 220kV three-winding transformer parallel running automatic switching device
11/07/2012CN202524087U Orderly electricity utilization real-time feedback device based on product improvement (PI)
11/07/2012CN202524086U Active power filter
11/07/2012CN202524085U Neutral line active harmonic elimination device used for electrical power system
11/07/2012CN202524084U Active power filter used for power grid reactive power compensation
11/07/2012CN202524083U Oil-immersed self-cooled vibration attenuation and noise reduction device of low-voltage filtering compensation device
11/07/2012CN202524082U Microcomputer electricity efficiency controller
11/07/2012CN202524081U Coaxial cable framework-based power supply system for park weak current intelligent system
11/07/2012CN202523542U Stepless adjustable reactor for combined high-voltage compensation
11/07/2012CN202522613U Single-phase electrical network voltage fundamental wave detection device
11/07/2012CN102771027A Regional energy management system, and integrated regional energy management apparatus and integrated regional energy management method to be used therefor
11/07/2012CN102769306A Low voltage ride through control method for network side inverter of permanent magnet direct drive wind power system
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