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)
10/2010
10/13/2010CN101861690A Wind park with voltage regulation of the wind energy systems and operating method
10/13/2010CN101860320A Electric automobile motor control circuit with charging function
10/13/2010CN101860270A Access system for adequately utilizing wind energy and solar energy and realization method thereof
10/13/2010CN101860231A Special tri-level full-power converter set for large power wind-driven generator
10/13/2010CN101860227A Direct current side integrated superconductive energy-storing current source type wind energy converter
10/13/2010CN101860090A Highway-based solar photovoltaic wireless power supply system
10/13/2010CN101860044A Method for cooperatively controlling reactive voltage of wind farm
10/13/2010CN101860043A Low voltage traversing control device and method for serial connection wind power generator set
10/13/2010CN101860042A Method for cooperatively controlling active power of wind farm
10/13/2010CN101860041A Method for dynamically adjusting busbar voltage to improve grid connection efficiency
10/13/2010CN101860040A Rotor-side converter of double-fed wind generating set for low voltage ride through and rapid restarting method thereof
10/13/2010CN101860039A Active neutral point clamped multi-level four-quadrant elevator driving system and control method
10/13/2010CN101860038A System and method for control of grid connected power generating system
10/13/2010CN101860037A Determination method of network side harmonic current of high-voltage direct current power transmission system
10/13/2010CN101860036A Novel zero-sequence current compensator
10/13/2010CN101860035A Reactive compensation system of thyristor controlled magnetically controlled reactor
10/13/2010CN101860034A Compensation system for power transmission
10/13/2010CN101860033A Photoelectric trigger device based on thyristor switched capacitor
10/13/2010CN101860032A Common mode filter for inhibiting conducted electromagnetic interference
10/13/2010CN101860031A Method for reducing influence of dead time on spatial vector
10/13/2010CN101860030A Universal single phase alternating current power supply purification device
10/13/2010CN101860029A Flexible reactive power flow control method
10/13/2010CN101860028A Electric heating intelligent energy-saving electric appliance
10/13/2010CN101860027A Method for establishing model by combining power supply analysis with running mode during running power grid
10/13/2010CN101860026A Analysis method of electromagnetic loop closing and power reversing operation of urban distribution network
10/13/2010CN101860025A Predictor-corrector technology-based power loss calculation method of grid in future operation mode
10/13/2010CN101860024A Implementation method for integrating provincial dispatch organization PAS system and local-level dispatch organization PAS systems in electric power system
10/13/2010CN101860023A Intelligent power grid distribution and autonomous wide-area timing method
10/13/2010CN101860022A Method for automatically controlling emergency unloading of offshore oil platform generating unit
10/13/2010CN101859409A Power transmission and transformation equipment state overhauling system based on risk evaluation
10/13/2010CN101483346B Group control method for multi-inverter solar photovoltaic grid-connection electricity generating system
10/13/2010CN101271544B Prediction method of generatrix load in electric network
10/13/2010CN101247073B Energy feedback and harmonic reactive-load compensation system suitable for multi-group commutating device
10/13/2010CN101066704B An electrical power supply arrangement for an aircraft
10/13/2010CN101053137B Induction machine and power control method and device of an induction machine
10/13/2010CN101039090B Wind turbine generator system and control method
10/12/2010USRE41821 Control of multiple power plants at a site to provide a distributed resource in a utility grid
10/12/2010US7812479 Power sampling systems and methods
10/12/2010US7812478 Power sampling systems and methods
10/12/2010US7812477 Automatic sensing power systems and methods
10/12/2010US7812476 Automatic sensing power systems and methods
10/12/2010US7812475 Automatic sensing power systems and methods
10/12/2010CA2465941C Interactive system for managing and remotely connecting customer utility loads
10/07/2010WO2010112094A1 Current share configuration in a power converter system
10/07/2010WO2010080431A3 Power inverter control for grid-tie transition
10/07/2010WO2010079235A3 Load dependent converter switching frequency
10/07/2010WO2010069989A3 Method and system for testing wind turbine plants
10/07/2010US20100253667 Method for detecting the actuation of a control element of a control front of an inverter and control front for an inverter
10/07/2010US20100253276 Power supply system and circuit control method thereof
10/07/2010US20100253151 Grid tie solar system and a method
10/07/2010US20100253150 AC Power Systems for Renewable Electrical Energy
10/07/2010US20100253145 Apparatus, method, and system for conveying electrical energy
10/07/2010US20100253143 Electrical Power Distribution Device Having a Current Display
10/07/2010US20100253142 System and Method for Supplying Power to a Power Grid
10/07/2010DE102009037523A1 Wind park system, has wind turbines including generator i.e. self-excited synchronous generator, with adjustable excitation that is indirectly adjusted depending upon reactive power requirement of wind park controlling device
10/07/2010DE102009037522A1 Wind energy plant for use in wind farm, has rotor and transmission unit with torque converter, where electric generator is drivable by rotor over transmission unit
10/07/2010CA2757331A1 A grid tie solar system and a method
10/06/2010EP2237386A2 Compensation system for power transmission
10/06/2010EP2236820A2 Voltage control method and system for a power generation plant and wind farm.
10/06/2010EP2235807A2 Grid synchronisation
10/06/2010EP1478074B1 Dynamic economic dispatch
10/06/2010CN201601654U 有源电力滤波数字处理控制电机节能装置 APF digital processing control motor energy-saving devices
10/06/2010CN201601609U 一种兆瓦级永磁直驱式风力发电变流器 One kind megawatt permanent magnet direct drive wind power converters
10/06/2010CN201601502U 工矿企业再生能源智能接入系统中的双计量装置 Industrial and mining renewable energy smart access system dual metering device
10/06/2010CN201601501U 一种光伏并网发电防逆流装置 A backflow prevention device grid PV
10/06/2010CN201601500U 多功能稳压装置 Multifunctional regulator device
10/06/2010CN201601499U 柱上低压无功自动补偿装置 Column low voltage reactive compensation devices automatically
10/06/2010CN201601498U 无干扰式智能型电容器 No interference intelligent type capacitors
10/06/2010CN201601497U 高压智能无功功率补偿/滤波控制器 High voltage intelligent reactive power compensation / filter controller
10/06/2010CN201601496U 低压无功补偿装置 Low-voltage reactive power compensation device
10/06/2010CN201601495U 一种用于精炼炉的动态无功功率补偿装置 A method for refining furnace dynamic reactive power compensation device
10/06/2010CN201601494U 一种提高电炉功率因数的改进短网结构 An improved short-network structure to improve electric power factor
10/06/2010CN201601493U 基于ngh方法的电力次同步谐振抑制系统 Ngh method based electricity sub-synchronous resonance suppression system
10/06/2010CN201601032U 一种新型电容器装置 A new capacitor means
10/06/2010CN1980000B 电源供给系统 Power supply system
10/06/2010CN101855807A Method for operating an energy supply network
10/06/2010CN101855806A Device for regulating a high-voltage direct-current transmission system
10/06/2010CN101855805A Method for regulating a reactive power compensator
10/06/2010CN101854065A Control method of cascade boost chopper
10/06/2010CN101854064A Engine network side combination control algorithm based on energy of doubly-fed induction wind power generation system
10/06/2010CN101854063A Device and method for detecting power phase in energy feedback device
10/06/2010CN101854062A Automatic three-phase switching method of load
10/06/2010CN101854061A Circulating-current restraining method for three-phase modular multilevel convertor
10/06/2010CN101854060A System for evaluating service quality of power ICT network
10/06/2010CN101852172A Method for calculating input wind speed of wind generating sets according to wake effect in wind power station
10/06/2010CN101478164B Control method for independent and grid connected dual mode operated inverter
10/06/2010CN101262132B A TCR static passive compensation device with T active power filter structure
10/06/2010CN101261896B A novel superconductive controllable reactor
10/06/2010CN101227092B Method for recognizing harmonic source in electric power distribution network
10/06/2010CN101141112B Common DC bus based multi-frequency converter system for vessel
10/05/2010US7808299 Switching power converter with reduced switching losses
10/05/2010US7808126 Wind farm and method for controlling the same
10/05/2010US7808123 Power supply system, multiple dwelling, and computer program
10/05/2010US7808122 Automatic sensing power systems and methods
10/05/2010CA2539050C A power converter with an adjustable output cable
09/2010
09/30/2010WO2010110777A1 In-wall multi-voltage ac/dc delivery system
09/30/2010WO2010109888A1 Device for controlling charging-discharging and method of controlling charging-discharging
09/30/2010WO2010109840A1 Electric power regulating device for electric power feeding system
09/30/2010WO2010109041A1 Electric circuit for converting direct current into alternating current
09/30/2010WO2010109031A1 Integral management device for electricity micro-generation
1 ... 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 ... 387