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)
09/2012
09/05/2012CN102655324A Method for passively generating rated voltage on 500-kV line
09/05/2012CN101888093B Low voltage ride through analogue system of wind generation system
09/05/2012CN101872981B Electrified railway electric energy quality compensating device
09/05/2012CN101834635B Relay optimizing method of low-voltage carrier networking
09/05/2012CN101777766B Risk evaluation method for transmission capacity of electric network
09/05/2012CN101697421B Photovoltaic micro power source control system for micro grid
09/05/2012CN101626163B Hybrid wind power generation system
09/05/2012CN101609941B Single phase intelligent electricity-saving protection control socket
09/05/2012CN101534014B Power conversion device
09/05/2012CN101527585B Device for achieving electric power system data self-adapting compression and method thereof
09/05/2012CN101505106B Cascade multi-level converter
09/05/2012CN101291081B Data sampling and transmission module for power distribution system
09/05/2012CN101278453B Wind mill power flow control with dump load and power converter
09/04/2012US8258940 Power line communications system
09/04/2012US8258761 Electrical energy consumption control apparatuses and electrical energy consumption control methods
09/04/2012US8258649 Communicating over power distribution media
09/04/2012CA2666907C Cogeneration system
09/04/2012CA2635285C Electrical power supply apparatus
09/03/2012CA2769927A1 Circuit and method for applying a three phase power source to a three phase load
08/2012
08/31/2012DE202012006090U1 Anordnung mit einer statischen Ein-/Rückspeiseeinheit und mit einer Verbrennungsmotor-Generatoreinheit Arrangement with a static input / feedback unit and with an engine-generator unit
08/30/2012WO2012115910A2 Power supply and power control circuitry
08/30/2012WO2012115169A1 Charging control device
08/30/2012WO2012114974A1 Apparatus for forecasting electric power load of industrial park, system and method
08/30/2012WO2012114844A1 Regional energy management system, and integrated regional energy management apparatus and integrated regional energy management method to be used therefor
08/30/2012WO2012114658A1 Power generation system and method for operating power generation system
08/30/2012WO2012114657A1 Electricity storage control device, electricity storage control method, management device, management method, and electricity storage control system
08/30/2012WO2012114642A1 Power control system
08/30/2012WO2012114582A1 Voltage control apparatus
08/30/2012WO2012114372A1 Power demand management system and power demand management method
08/30/2012WO2012114114A2 Virtual power station
08/30/2012WO2012114113A2 Virtual power station
08/30/2012WO2012113680A1 Method for determining a start time for starting an operating process of a household appliance and household appliance
08/30/2012WO2012113271A1 Solar photovoltaic three-phase micro-inverter and solar photovoltaic power generation system
08/30/2012WO2012113096A1 Time domain transformation method
08/30/2012WO2012062511A3 Method for operating a local energy network
08/30/2012WO2011012436A3 Device for compensating harmonics occurring in current flows in a high-voltage network
08/30/2012US20120221491 Electric power interchange system
08/30/2012US20120221159 Wind turbine
08/30/2012US20120220089 Compound semiconductor device and method for manufacturing the same
08/30/2012US20120217898 Electrical load driving circuit
08/30/2012US20120217824 Variable speed wind turbine, and a method for operating the variable speed wind turbine during a power imbalance event
08/30/2012US20120217821 System and method for performing harmonic frequency filtration and analysis
08/30/2012US20120217805 Method and System for Distributing Energy
08/30/2012US20120217804 Adjustable transformer for a model vehicle
08/30/2012US20120217799 Central Battery Interconnected Smoke Detector System with Single Wire AC and DC Pass-Through Relay
08/30/2012CA2828859A1 Power supply and power control circuitry
08/30/2012CA2828105A1 Virtual power station
08/29/2012EP2493046A2 System and method for load forecasting
08/29/2012EP2491351A2 Automated load assessment device and method
08/29/2012CN202406055U Photovoltaic grid connected inverter PWM controller
08/29/2012CN202406052U Digital grid-connected solar inverter
08/29/2012CN202405863U Hybrid inverter
08/29/2012CN202405836U Photovoltaic charging system and charging station
08/29/2012CN202405803U Grid-connected photovoltaic power generation system
08/29/2012CN202405802U Small-sized wind-light complementary off-grid power generation system
08/29/2012CN202405801U Intelligent power controlling device for wind power
08/29/2012CN202405800U Intelligent transmission device for wind power
08/29/2012CN202405799U Independent wind-power grid system based on direct current bus
08/29/2012CN202405798U Energy storage controller for wind and solar hybrid power generation
08/29/2012CN202405797U Full-power wind power converter for electrically excited synchronous generator
08/29/2012CN202405796U Composite full-power wind power converter
08/29/2012CN202405795U Optimized energy storing device for wind power plant
08/29/2012CN202405794U Circuit compensation monitoring and display device
08/29/2012CN202405793U Smart capacitance reactive power compensation cabinet
08/29/2012CN202405792U Mining high-voltage dynamic filter energy saving device
08/29/2012CN202405791U Adjustable series capacitance compensating device for electrified railway
08/29/2012CN202405790U Electric power coordinating system
08/29/2012CN202405789U DSP (Digital Signal Processor) based protecting device for low-voltage capacitor set
08/29/2012CN202405788U System energy saver
08/29/2012CN202405787U High-efficiency mixed type large-sized power grid filtering device
08/29/2012CN202405786U Low-voltage dynamic filter compensation device and low-voltage dynamic compensation system
08/29/2012CN202405785U Controller of active power filter
08/29/2012CN202405784U Three-level four-bridge-arm active power filter device
08/29/2012CN202405783U Power converter with functions of uninterrupted power supply (UPS) and active power filter
08/29/2012CN202405782U Comprehensive energy saver
08/29/2012CN202405781U Automatic three-phase/single-phase power supply switching device for special alternating-current equipment
08/29/2012CN202405780U medium voltage distribution network
08/29/2012CN202405084U Intelligent low-voltage on-load voltage regulating transformer
08/29/2012CN202402213U Beverage bottle solar wind power generation device
08/29/2012CN102651558A 风力涡轮机 Wind turbine
08/29/2012CN102651557A Transformer-free photovoltaic grid-connected inverter
08/29/2012CN102651556A 风力涡轮机 Wind turbine
08/29/2012CN102651555A Capacitance placement in wind farms
08/29/2012CN102651554A Control method and device for accessing energy-storage photovoltaic system into urban rail traction network
08/29/2012CN102651553A Energy storage adjusting system for wind power field
08/29/2012CN102651552A Wind and power energy storage frequency modulation and peak modulation control system
08/29/2012CN102651551A Method for controlling power factor of three-phase converter, method for controlling reactive power of three-phase converter, and controller of three-phase converter
08/29/2012CN102651550A Sub-synchronous oscillation suppression method based on controllable series compensation additional impedance deviation control
08/29/2012CN102651549A Self-optimization multi-level voltage reactive power control method
08/29/2012CN102651548A Voltage fluctuation suppression method for DC (Direct Current) bus of converter at wind power generation system network side
08/29/2012CN102651273A Arcless on-load volume regulation and voltage regulation distribution transformer
08/29/2012CN101917001B Fault sequencing method for on-line static security analysis of power system
08/29/2012CN101860041B Method for dynamically adjusting busbar voltage to improve grid connection efficiency
08/29/2012CN101860040B Rotor-side converter of double-fed wind generating set for low voltage ride through and rapid restarting method thereof
08/29/2012CN101728832B Method for low-voltage phase-splitting reactive compensation of metallurgical electric furnace
08/29/2012CN101719675B PMU-based low-frequency oscillation control method
08/29/2012CN101651271B Lightning-proof electricity-saving protection circuit in single-phase socket
08/29/2012CN101609988B High-capacity power transmission method and high-capacity power transmission system
08/29/2012CN101609984B Fast aided modeling method for supervisory control and system
08/29/2012CN101461114B Pick-up apparatus for inductive power transfer systems
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