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)
02/2012
02/15/2012CN102355008A Control device and method for stabilizing power fluctuation of wind power field
02/15/2012CN102355007A Modeling method for grid-connected photovoltaic power supply based on PSASP (power system analysis software package)
02/15/2012CN102355006A Joint wind-solar-storage joint grid-connected power generation coordination control method
02/15/2012CN102355005A Distributed photovoltaic power generation regional integrated control method
02/15/2012CN102355004A Distributed photovoltaic power generation regional integrated control system
02/15/2012CN102355003A Control method and device for single-phase grid-connected photovoltaic power generation system
02/15/2012CN102355002A Device and system for protecting islanding effect in isolated-type grid-connected power generation
02/15/2012CN102355001A Direct current (DC) drop point selection method for alternating current (AC)-DC system based on stability and economical efficiency
02/15/2012CN102355000A Comprehensive control method of double-fed wind power system under asymmetrical grid voltage condition
02/15/2012CN102354999A Balanced distribution method of single-phase load in low-voltage distribution network
02/15/2012CN102354998A Device and method for controlling running of transformer based on three-dimensional area chart strategy
02/15/2012CN102354997A Method for identifying low-frequency oscillation key branch and oscillation cut-set of power system
02/15/2012CN102354996A Control system and control method based on MCR (magnetic control reactor) dynamic reactive power compensation and soft start
02/15/2012CN102354995A Control method and control system for VQC (voltage quality control) of transformer substation
02/15/2012CN102354994A MCR (magnetically controlled reactor) soft start and SVC (static VAR compensator) dynamic reactive compensation device as well as soft start and dynamic reactive compensation method
02/15/2012CN102354993A Arc furnace power quality controller based on programmable logic controller (PLC)
02/15/2012CN102354992A Reactive-power control method of wind power field
02/15/2012CN102354991A Direct power control method of three-phase static reactive-power synchronous compensator
02/15/2012CN102354990A Control system capable of realizing direct current (DC) capacitive voltage balance of H-bridge cascaded STATCOM (static synchronous compensator)
02/15/2012CN102354989A Transient voltage control method of wind power station with constant-speed asynchronous wind turbine generator system
02/15/2012CN102354988A Linear extended state observer (LESO)-based static var compensator (SVC) control method
02/15/2012CN102354987A Control method of overload load-shedding for transformer or circuit
02/15/2012CN102354986A Dynamic reactive joint compensation system and method of regional wind power stations
02/15/2012CN102354985A Real-time dynamic guarantee device for voltage stability of low-voltage power grid
02/15/2012CN102354984A Booster chopping technology-based variable-frequency voltage stabilizing control system and method
02/15/2012CN102354983A Method for determining weak nodes in voltage stability based on matrix perturbation theory
02/15/2012CN102354982A 能量回馈电梯系统 Elevator energy feedback system
02/15/2012CN102354981A Distributed computation based voltage stability assessment method of sub-networks in interconnected power network
02/15/2012CN102354980A Sliding mode control method of novel three-phase three-wire system active filter
02/15/2012CN102354979A Harmonic control and dynamic reactive compensation circuit
02/15/2012CN102354978A Second-order wave-blocking high-pass filter for tractive power supply and three-phase power supply system
02/15/2012CN102354977A Feeder fault handling method
02/15/2012CN102354976A Rapid network topology analysis method
02/15/2012CN102354975A Power safety sensing platform and event occurrence origin path tracing algorithm thereof
02/15/2012CN102354974A Micro-grid multi-objective optimized operation control method
02/15/2012CN102354973A Power supply system for impulse voltage generator in high-altitude area
02/15/2012CN102354972A Output-side-switching-based dynamic power flow control device and control method for controllable transformer
02/15/2012CN102354971A Method and device for controlling power splitting
02/15/2012CN102354942A High-pressure DC (direct current) ice melting device
02/15/2012CN102351119A Public direct-current circuit technology for alternating-current permanent-magnet synchronous variable-frequency elevator
02/15/2012CN101728831B 冶金电炉低压晶闸管无功补偿投切的方法 Metallurgical furnace low voltage thyristor switching reactive power compensation methods
02/15/2012CN101055991B 380v系统有源电力滤波装置 380v system Active Power Filter
02/14/2012US8115341 Power converter having airplane power source frequency detector
02/14/2012US8115335 Automatic sensing power systems and methods
02/09/2012WO2012018220A2 Apparatus supplying power wirelessly and which prevents harmonic radiation
02/09/2012WO2012017942A1 Power supplying system
02/09/2012WO2012017937A1 Power demand-and-supply equalization system
02/09/2012WO2012017936A1 Battery information output device for power supply/demand leveling system
02/09/2012WO2012017649A1 Power supplying system, control apparatus for power supplying system, operating method for power supplying system, and control method for power supplying system
02/09/2012WO2012017068A2 Recording a feed energy amount of a photovoltaic system that was possible but not in fact fed
02/09/2012WO2012016592A1 Method for controlling the voltage of a multilevel converter and control arrangement for a multilevel converter
02/09/2012WO2012016585A1 Reactive power regulation of a windpark
02/09/2012WO2012016500A1 Power distribution circuit and power distribution cabinet
02/09/2012WO2011127422A3 System and method for subsea power distribution network
02/09/2012US20120033463 Power conditioning unit
02/09/2012US20120033462 Power flow control in a meshed hvdc power transmission network
02/09/2012US20120033461 Controlling a high-voltage direct-current (hvdc) link
02/09/2012US20120032532 System for generating electrical power and method of operating the system
02/09/2012US20120032519 Automated shore power system
02/09/2012US20120032514 Household appliance with demonstration mode function
02/09/2012US20120032512 M2LC System Coupled to a Current Source Power Supply
02/09/2012DE102010033756A1 Verfahren zur rechnergestützten Steuerung des elektrischen Energieverbrauchs einer Vielzahl von Energieverbrauchern in einem elektrischen Energienetz Method for computer-aided control of the electric energy consumption of a plurality of energy consumers in an electrical power network
02/09/2012DE102010033633A1 Method for controlling switch-ON of load e.g. incandescent lamp of illuminating device installed in road, calculating total time for swtiching ON all loads and controlling swtich-ON of load within calculated total time
02/08/2012EP2416489A1 System for generating electrical power and method of operating the system
02/08/2012EP2416475A2 Electric power generating system with boost converter/synchronous active filter
02/08/2012EP2416466A2 HVDC connection of wind turbine
02/08/2012EP2416465A2 Load shed system for demand response without AMI/AMR system
02/08/2012EP2416464A2 Autonomous module of production, monitoring, storage, ripple and photovoltaic electric power distribution, method of communication and control management between modules when "off-grid" inserted
02/08/2012EP2415148A1 Current share configuration in a power converter system
02/08/2012CN202142878U 车载加油-充电站 Vehicle refueling - Charging Station
02/08/2012CN202142873U 海上电网电站负荷分配的系统 Offshore grid power station load distribution system
02/08/2012CN202142872U Biochemical power generation electric power system
02/08/2012CN202142871U 一种扫频信号源电路 One kind of sweep signal source circuit
02/08/2012CN202142870U Automatic reactive power compensating control cabinet
02/08/2012CN202142869U Lightning arrest reactive power self-compensating control cabinet
02/08/2012CN202142868U Motor power saving system of oil pumping unit in oil field
02/08/2012CN202142867U Power unit structure
02/08/2012CN202142866U Marine power station power factor compensation device
02/08/2012CN202142865U Multifunctional SVG cooperated FC control circuit
02/08/2012CN202142864U Bus-type controller-controlled intelligent stationary wattless generator
02/08/2012CN202142863U Household power saver
02/08/2012CN202142862U Dynamic filtering compensation device
02/08/2012CN202142861U Co-compensating type low-voltage intelligent liquid crystal combined type power capacitor
02/08/2012CN202142860U Submerged arc furnace short network filtering compensation device induction type air cooling system
02/08/2012CN202142859U 具有自动电压调节功能的有源滤波处理系统 Active filter processing system with automatic voltage regulation function
02/08/2012CN202142858U Chain type scalable vector graphics (SVG) device applied in single-phase power-supply system
02/08/2012CN202142857U Active filtering device based on all controlled current transformer
02/08/2012CN202142856U 一种谐波治理装置 Harmonic control device
02/08/2012CN202142855U 一种动力节电器 A power saver
02/08/2012CN202142854U Electric energy optimization device
02/08/2012CN202142848U 一种带大电流旁路结构的串联滤波式防雷柜 A tape series high current bypass filter type structure Lightning cabinet
02/08/2012CN202142406U 一种带误差补偿互感器的一体化配网变压器 An integrated distribution network transformer transformer with error compensation
02/08/2012CN102349213A Demand/supply control device, demand/supply control method, and demand/supply control system
02/08/2012CN102349210A Control device, reactive power compensator and method
02/08/2012CN102347725A Controllable single-phase bridge rectifying generating system with doubly salient electromagnetic motor
02/08/2012CN102347707A Three-phase inverter control system and control method thereof
02/08/2012CN102347637A Supervisory control method and equipment for smart grids
02/08/2012CN102347622A Grid-connection control method of grid-side converter of small permanent magnet direct-driven wind power system
02/08/2012CN102347621A Method for controlling operation of automatic switching type transformer
02/08/2012CN102347620A Micro grid control method
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