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)
07/2012
07/25/2012CN102611104A Topological observability analytical method based on adjacency list with injection measurement boundary nodes
07/25/2012CN102611103A Method for automatically transforming outside-the-station electric topology to tidal topology of power distribution network
07/25/2012CN102611102A Power system partition modeling method based on actual measurement by aid of PMU (phasor measurement units)
07/25/2012CN102611101A Method for evaluating operational safety of interconnected power grid
07/25/2012CN102611100A Power system planning method suitable for power supply in remote area
07/25/2012CN102611099A Method for reducing loss of micro power grid
07/25/2012CN102611096A Bipolar direct current power transmission system with direct current failure self-elimination capacity
07/25/2012CN102611090A Capacitance pulse discharging device and capacitance fling-cut switch
07/25/2012CN102609598A Method for performing electromagnetic transient-state simulation to large power system
07/25/2012CN102609576A Power system transient stability simulating method based on estimation-correction numerical integration
07/25/2012CN102609575A Power system transient stability simulating method based on implicit numerical integration
07/25/2012CN102606395A Wind farm active power optimal control method based on power prediction information
07/25/2012CN102606309A Novel compressed air energy storage system
07/25/2012CN102025159B Comprehensive evaluation method and system of stability of quiescent voltage
07/25/2012CN102022275B Wind generating set with bottom driving
07/25/2012CN102013701B Method for calculating photovoltaic power generation accepting capability of power grid of high-altitude region
07/25/2012CN102013307B On-load capacity-regulation distributing transformer
07/25/2012CN101931237B Method for appraising voltage reactive configuring and running status of high-voltage electric distribution network
07/25/2012CN101924371B Mixed power quality treatment method
07/25/2012CN101902146B Current type control method of three-phase inverter in distributed generation system
07/25/2012CN101902046B Non-liner switching control method of single-phase shunt active power filter
07/25/2012CN101895126B Low voltage ride through control circuit of doubly-fed variable-speed constant-frequency wind power generator unit
07/25/2012CN101895117B Method and device for assessing sub-synchronous resonance
07/25/2012CN101895112B Controller of converter of dual-fed wind power generator
07/25/2012CN101841165B Soft switching control method for flyback single-stage photovoltaic grid-connected inverter
07/25/2012CN101795001B Valve-base electronic (VBE) device capable of automatically switching on and off high-voltage solid-state complex switch
07/25/2012CN101789596B Automatic detection method of power grid failure
07/25/2012CN101777767B Method for discriminating time-lag power system stability
07/25/2012CN101771276B Automatic identification method for multi-buffer network
07/25/2012CN101741273B Coupling inductance type double Boost inverter circuits in photovoltaic system
07/25/2012CN101640425B Intelligent electric load management device
07/24/2012US8228697 Systems, methods, and apparatus for operating a power converter
07/24/2012US8228693 DC filter and voltage source converter station comprising such filter
07/24/2012US8228645 Systems and methods for protecting a series capacitor bank
07/24/2012US8227942 System and apparatus for interconnecting an array of power generating assemblies
07/24/2012US8227938 Batteryless starter for UPS with sensor, motor generator, rectifier, and transformer
07/24/2012US8227935 Hybrid power supply device
07/24/2012US8227934 Monitoring system and input device thereof
07/24/2012DE202012102364U1 Anordnung zum Betreiben mindestens eines Verbrauchers mit der elektrischen Leistung einer regenerativen Energiequelle Arrangement for operating at least one consumer with the electric power a renewable energy source
07/19/2012WO2012096745A1 Smart microgrid reconfigurable ac interface
07/19/2012WO2012096564A1 System for charging the battery of at least one electric vehicle, charger and method
07/19/2012WO2012096050A1 Reserve power-supplying capacity transaction system and reserve power-supplying capacity transaction method
07/19/2012WO2012095364A1 Arrangement for feeding electrical energy into an energy supply network
07/19/2012WO2012095233A2 Control circuit and method for converters of wind turbines
07/19/2012WO2012068017A3 Fuel cell system with grid independent operation and dc microgrid capability
07/19/2012WO2012048403A4 Reactive current transformer
07/19/2012WO2011151750A3 System and method for sequential application of power to electrical loads
07/19/2012WO2011124298A3 Device and method for exchanging energy in a controlled manner between an electrical power network and a load
07/19/2012US20120181862 Internal Electrification Scheme For Power Generation Plants
07/19/2012US20120181861 Method for data transmission from a transmitter to a receiver in an ac power supply system, and apparatus for data transmission with ac power supply systems
07/19/2012DE102011002842A1 Simulationsmodell für eine Windenergieanlage sowie Erzeugung und Verwendung Simulation model for a wind turbine as well as production and use
07/19/2012CA2813022A1 Control circuit and method for converters of wind turbines
07/18/2012EP2477308A1 Power control system
07/18/2012EP2477307A1 Comprehensive monitoring and control system for smart grid and microgrid
07/18/2012EP2477302A1 Control of the distribution of electric power generated by a wind farm between an AC power transmission link and a DC power transmission link
07/18/2012EP2477301A1 Assembly for feeding electrical energy into an energy supply network
07/18/2012EP2477300A1 Power control system and electric device
07/18/2012EP2477299A2 Power Conversion Control With Energy Storage
07/18/2012EP2477298A1 Controllers for static energy supply units
07/18/2012EP2477297A1 Multi-terminal power conversion device, multi-terminal power transfer device, and power network system
07/18/2012EP2476578A1 Dynamic load profiling
07/18/2012EP2476573A2 Energy management system for trains with flexible formations incorporating regenerative braking
07/18/2012EP2476193A1 Fault current limitation in dc power transmission systems
07/18/2012EP2476177A1 Power transmission and distribution systems
07/18/2012EP2476176A2 Method for controlling current converters and assembly for performing said method
07/18/2012EP2476175A2 Three phase power generation from a plurality of direct current sources
07/18/2012EP2476091A2 Method and system for energy management
07/18/2012EP2476003A1 Topology surveying a series of capacitors
07/18/2012CN202340124U Small intelligent bidirectional self-adaptive photovoltaic grid-connected power generation system
07/18/2012CN202340123U Water, wind, light and biomass multi-energy integration complementary power generation system device
07/18/2012CN202340122U Phase-shifting electromagnetic balance voltage-regulating power-saving device
07/18/2012CN202340121U Output filter circuit of active power filter
07/18/2012CN1639940B One wire self referencing circuits for providing power and data
07/18/2012CN102598470A Control system, correction apparatus, and power control method
07/18/2012CN102598468A Power control device, power control method, and power supply system
07/18/2012CN102598459A Electric power management system
07/18/2012CN102598458A Grid-connected power supply system
07/18/2012CN102598457A Control apparatus, control system, and control method
07/18/2012CN102598456A Substation Automatic Control System
07/18/2012CN102598455A Distributed power generation interface
07/18/2012CN102598454A Control apparatus and control method
07/18/2012CN102597506A Wind power generation apparatus and output control method
07/18/2012CN102596494A Electric power consumption control system
07/18/2012CN102594227A Variable frequency control system and engineering machine with same
07/18/2012CN102594180A Control method for switch tube of photovoltaic grid-connected staggered shunt-wound flyback inverter
07/18/2012CN102594178A Inverter connected in series
07/18/2012CN102594160A Diode clamped three-level high-voltage matrix converter and modulation method thereof
07/18/2012CN102593949A User-side peak-shaving power storage and supply system and method
07/18/2012CN102593884A Battery system and energy storage system including the same
07/18/2012CN102593873A Slide control method for power fluctuation of microgrid interconnection line
07/18/2012CN102593872A Control method of frequency of power system attended by wind energy and light energy storage combined power generation system
07/18/2012CN102593871A Bus voltage regulating method device for inverter
07/18/2012CN102593870A High-voltage high-power direct-drive offshore wind generating set based on superconducting motor
07/18/2012CN102593869A H full-bridge conversion type micro-inverter grid connecting device
07/18/2012CN102593868A Distributed three-phase four-wire photovoltaic grid-connected device with electric energy adjusting function
07/18/2012CN102593867A Solar grid-connected inverter
07/18/2012CN102593866A Unified power flow controller based on modular multilevel converter structure
07/18/2012CN102593865A Dynamic simulation system and simulation method for accessing wind power into power grids
07/18/2012CN102593864A Photovoltaic energy storage integrated converter
07/18/2012CN102593863A Inverter with internal auxiliary power supply and power supply method adopted thereby
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