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)
10/2012
10/24/2012CN102751744A New energy output simulation application system and simulation method thereof
10/24/2012CN102751743A Power system no-load paralleling method for reactor control rod driving mechanism
10/24/2012CN102751742A Method for improving grid-connected performance by variable switching frequency
10/24/2012CN102751741A Low-voltage ride through (LVRT) control system of photovoltaic inverter and method thereof
10/24/2012CN102751740A Two-winding transformer operation control method
10/24/2012CN102751739A Anti-disaster photovoltaic power generation system
10/24/2012CN102751738A Control method for preventing oscillation during power regulation of thermal power unit
10/24/2012CN102751737A Method for simulating and analyzing automatic generation control of electrical power system containing wind power
10/24/2012CN102751736A Novel control method of single-stage three-phase photovoltaic grid-connected system
10/24/2012CN102751735A Generating set output reducing and generating set tripping device used in case of overload of contact outgoing lines of power plant
10/24/2012CN102751734A Intelligent balanced power-supply system with multiple electric powers and multiple electric power storage, and method
10/24/2012CN102751733A On-line three-phase load unbalance processing method suitable for low-voltage distribution network
10/24/2012CN102751732A Method for calculating control angle of thyristor control reactor type dynamic reactive compensation device
10/24/2012CN102751731A High voltage dynamic reactive compensation device
10/24/2012CN102751730A Electromagnetic type synchronous switch module for low-voltage reactive power compensation
10/24/2012CN102751729A Research method for stably controlling static voltage of electric network comprising wind farm
10/24/2012CN102751728A Energy management method for isolated network running mode in micro network based on load interruption model
10/24/2012CN102751727A Feedback linearization sliding-mode control method of three-phase three-wire system shunt active power filter
10/24/2012CN102751726A Electric power quality controller
10/24/2012CN102751725A Overload risk state identifying method for power distribution network
10/24/2012CN102751724A Prediction-based three-phase load scheduling method and device responding to demand side
10/24/2012CN102751723A Ship alternative-current zone power distribution network system and reliability analysis method thereof
10/24/2012CN102751722A Grid network optimization method based on shortest feasible path and historical flow data
10/24/2012CN102751721A Series compensation application method for changing operating modes
10/24/2012CN102751720A Flexible high-voltage direct-current (HVDC) load flow computational model and computational method thereof
10/24/2012CN102748238A Wind-power energy conversion system with redundant energy storage, and application mode and control method thereof
10/24/2012CN102035205B Method for evaluation of voltage reactive operation state of high voltage distribution network
10/24/2012CN101964533B Low voltage ride-through variable pitch control system for double-fed wind turbine generator unit
10/24/2012CN101534015B Three-phase photovoltaic grid-connected inverting control method
10/23/2012US8295988 Generating apparatus and control method thereof
10/23/2012US8294437 Power management device
10/23/2012US8294299 Control device for DC-DC converter and related DC-DC converter
10/23/2012US8294296 System, method, and apparatus for remotely coupling photovoltaic arrays
10/23/2012US8294288 Collector anti-wearing and lubrication system for variable speed wind turbine
10/23/2012US8291800 Combination power tool
10/23/2012CA2693750C Maintenance operation method for wind turbine generator and wind turbine generator
10/20/2012CA2771760A1 Transfer switch for automatically switching between alternative energy source and utility grid
10/18/2012WO2012141315A1 System side control device and method
10/18/2012WO2012141022A1 Power storage device and method for operating power storage device
10/18/2012WO2012140733A1 Control device, control system, and method for controlling system
10/18/2012WO2012140529A1 Load adjustment sharing system and method
10/18/2012WO2012139667A1 Black start of wind turbine devices
10/18/2012WO2011131413A3 Apparatus and method for stabilizing an electrical power import
10/18/2012US20120261998 Power control apparatus, power control method, and program
10/18/2012US20120261989 Electric power consumption control system
10/18/2012US20120261986 Residential electric power storage system
10/18/2012US20120261985 Coded Power Converter System
10/18/2012DE102011007613A1 System for storing electrical energy e.g. solar energy generated by photovoltaic system, has reservoir designed as overhead gas storage for storing generated pressurized air and combustible gas, and turbine generating energy from air
10/18/2012DE102011002130A1 System for storing energy from wind turbines of wind power plant, has movable mass whose speed is reduced to achieve energy demands while converting kinetic energy into electrical energy
10/18/2012CA2774364A1 Electrical system with circuit limiter
10/17/2012EP2512000A2 Reconfigurable power systems and converters
10/17/2012EP2511999A1 Reconfigurable power converters, systems and plants
10/17/2012EP2511997A2 Method and apparatus for control of an electric power system in response to circuit abnormalities
10/17/2012EP2511956A2 Three-circuit voltage spike protection for a photovoltaic system
10/17/2012EP2510600A1 A dc power source for a high voltage power apparatus
10/17/2012EP2510599A1 Line fault detector
10/17/2012EP2510286A1 Synergistic energy ecosystem
10/17/2012CN202495888U Photovoltaic inverter used in photovoltaic grid-connected system
10/17/2012CN202495884U Rectification and energy feedback device
10/17/2012CN202495775U Solar energy photovoltaic grid-connected power generation system
10/17/2012CN202495774U Countercurrent prevention system
10/17/2012CN202495773U Intelligent reactive power compensation device based on single tripolar synchronous switch
10/17/2012CN202495772U Three-phase sampling control circuit
10/17/2012CN202495771U Active full-compensation arc-suppression coil device
10/17/2012CN202495770U Zero-crossing switching contactor composite switch
10/17/2012CN202495769U Active harmonic reactive power compensation cabinet for power grid
10/17/2012CN202495768U Self-recovering low pressure parallel capacitor of reactive power compensator for mining
10/17/2012CN202495767U Mine flameproof reactive power compensation device
10/17/2012CN202495766U Low voltage reactive compensation optimization switching controller
10/17/2012CN202495765U High-voltage reactive-power automatic compensation device of power supply system
10/17/2012CN202495764U Electric energy quality automatic control device with remote controller
10/17/2012CN202495699U Photovoltaic grid-connected power generation voltage-boosting intelligent box-type transformer substation
10/17/2012CN202495641U Energy-saving automatic shut-off protection control socket
10/17/2012CN202495323U Magnetic-control electric reactor with double three-column right-angle circular iron cores
10/17/2012CN202495322U Magnetic-control electric reactor with double three-column-triangle right-angle circular iron cores
10/17/2012CN202495321U A magnetic control electric reactor with a six-column oblique-angle circular iron core
10/17/2012CN202493382U Wind generator and electromotor combined generating device
10/17/2012CN102742149A A control system for wind farms with aerogenerators provided with DC modular converters
10/17/2012CN102742140A Power inverter with multi-fed on-board power supply
10/17/2012CN102742120A Energy supply/demand control system
10/17/2012CN102742114A Electrical power feeding system for electrical vehicle
10/17/2012CN102742022A Photovoltaic power generation system
10/17/2012CN102739147A Back electromotive force harmonic compensation control method of permanent magnetic synchronous motor
10/17/2012CN102739101A Forward-flyback inverter
10/17/2012CN102739095A System and method for power conversion
10/17/2012CN102739092A Grid tied inverter, system and method
10/17/2012CN102739083A Optimization modulation method of electric railway train traction rectifying system
10/17/2012CN102739080A Direct current de-icing device based on full-bridge modular multilevel converter
10/17/2012CN102738891A Wide-area spare power automatic switching logic unified expression method and after-operation overload processing method
10/17/2012CN102738879A Electric vehicle intelligent charger capable of automatically responding to tou price
10/17/2012CN102738835A Wind-fire-water co-scheduling method on basis of multi-agent system
10/17/2012CN102738834A Method for dynamically dividing and operating multiple islands of city micro power grid with photovoltaic power supplies
10/17/2012CN102738833A Multi-time-scale rolling coordination scheduling method for electric power system with wind power
10/17/2012CN102738832A Control method of local electric system having generation system and local electric system
10/17/2012CN102738831A 太阳能系统以及通信装置 Solar power system and a communication device
10/17/2012CN102738830A Concentrated fault traversing device for wind power station
10/17/2012CN102738829A Topology structure and control method for controlling wind power generating system through frequency conversion
10/17/2012CN102738828A Method for stabilizing uncertainty of large-scale wind power grid-connected power fluctuation by utilizing integrated combined power generation unit
10/17/2012CN102738827A Low voltage ride through control method for three-phase network connection photovoltaic inverter
10/17/2012CN102738826A Leakage current restraining method for improved LCL (Lower Control Limit) filter and even balance control method
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