Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
11/2011
11/30/2011CN202059177U Secondary principle wiring circuit structure of capacitor compensation deputy cabinet
11/30/2011CN202059176U 多头家用充电器 Bulls Home Charger
11/30/2011CN202059175U 多功能试验电源装置 Multifunctional Test Device
11/30/2011CN202059174U 一种全智能综合节电器装置 A fully integrated intelligent Power Saver device
11/30/2011CN202059089U Removable reactive compensation switch cabinet
11/30/2011CN202059086U 一种终端型10kV临时箱式变电装置 A terminal box-type temporary 10kV substation equipment
11/30/2011CN202059085U 模块化智能配电系统 Modular Smart Power Distribution System
11/30/2011CN102265498A 用于从带电粒子束中直接提取能量的电路 For extracting a charged particle beam energy directly from the circuit
11/30/2011CN102265477A 并设蓄电池式的风力发电系统和蓄电池的充放电控制装置 And set the battery type wind power systems and battery charge and discharge control device
11/30/2011CN102263502A 大功率风电变流器储能电容充电电路 High-power wind power converter storage capacitor charging circuit
11/30/2011CN102263417A Method for designing hybrid damping parameter of LCL filter in photovoltaic grid-connected inverter
11/30/2011CN102263416A 大功率直驱风电变流器低电压穿越电路 High-power direct-drive wind power converter circuit LVRT
11/30/2011CN102263415A 一种水上风光互补并网发电系统 A type of water and wind and solar power generation systems
11/30/2011CN102263414A 电能变换装置与系统 Energy conversion devices and systems
11/30/2011CN102263413A 多柱本体独立控制晶闸管阀控型可控并联电抗器装置 Multi-column body control thyristor valve controlled independently controllable shunt reactor unit
11/30/2011CN102263412A 节能型硅铁冶炼设备和短网低压无功功率补偿方法 Energy-saving equipment and short net smelting ferrosilicon low voltage reactive power compensation method
11/30/2011CN102263411A 晶闸管控制输电线电容补偿电路 Thyristor controlled transmission line capacitance compensation circuit
11/30/2011CN102263410A 一种安全风险评估模型、评估方法及评估参数确定方法 A security risk assessment model, assessment methods and evaluation parameters to determine the method
11/30/2011CN102262182A 光伏并网逆变器孤岛检测方法 PV grid-connected inverter islanding detection method
11/30/2011CN101741275B 可并联工作的模块化全桥并网逆变器的控制方法 Modular control methods can work in parallel, and the full-bridge inverter
11/30/2011CN101710714B 一种三相电压型并网逆变器恒定开关频率的直接功率控制方法 A three-phase voltage source inverter grid constant switching frequency of direct power control method
11/30/2011CN101697418B 微网光伏发电逆变并网和谐波治理混合系统及其复合控制方法 Micro-grid PV inverter grid and Harmonic mixing system and hybrid control method
11/30/2011CN101673951B 一种晶闸管阀触发与监测系统 Thyristor valve trigger and monitoring systems
11/30/2011CN101667793B 一种并网逆变器 One kind of grid-connected inverter
11/30/2011CN101640422B 串联电容补偿器 Series capacitor compensation
11/30/2011CN101593982B 基于并联多重化电流型变流器的自并励励磁系统 Based on the current-multiplexed parallel converter self-shunt excitation system
11/30/2011CN101552473B 一种电抗器的重构配置方法 An electrical remodeling configuration Reactor
11/30/2011CN101465542B 电力系统低频振荡实时监测算法 Real-time monitoring of power system low frequency oscillation algorithm
11/30/2011CN101431234B 一种具有故障电流限制功能的动态电压恢复器及使用方法 Dynamic Voltage Restorer and use a kind of fault current limiting function
11/30/2011CN101164225B 集成扭转模式减振系统和方法 Integrated torsional mode damping system and method
11/30/2011CN101030711B 微机保护测控装置 Protection and Control devices
11/29/2011US8069077 Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program for executing support method, and program for executing operation management support method on computer
11/29/2011US8068937 Power distribution system with fault protection using energy packet confirmation
11/29/2011US8067999 Electrical waveform adjuster
11/29/2011US8067854 Output circuit
11/28/2011CA2732251A1 Monitoring and control apparatus and method and wind power plant equipped with the same
11/28/2011CA2722335A1 Power supply device and method
11/24/2011WO2011145953A1 Inductive power transfer system primary track topologies
11/24/2011WO2011145192A1 Charger control device, and charging device
11/24/2011WO2011104270A3 Wind turbine controller applying differential pole control algorithm
11/24/2011WO2011066081A3 Power conversion systems
11/24/2011WO2011056057A3 Apparatus, method and system for measuring, monitoring and regulating the power consumed by users connected to a distribution transformer
11/24/2011WO2011053408A3 Utilization system and associated method
11/24/2011WO2011039284A3 Monitoring system and method for monitoring energy transfer between a first energy unit and a second energy unit
11/24/2011WO2011024067A3 Electric power supply system and electric power supply method
11/24/2011US20110285205 Efficient Solar Energy Power Creation Systems
11/24/2011US20110285204 Method and apparatus for electrical load control network
11/24/2011DE202011104660U1 Messeinrichtung zur Steuerung dezentraler Verbraucher Measuring device for control of distributed consumer
11/24/2011DE102010029118A1 Method for operating energy storage system i.e. battery, of e.g. electrical car, involves calculating amount of power to be stored in battery of car based on energy requirement of car
11/24/2011DE102010021070A1 Verfahren zur Regelung der Stabilität eines elektrichen Versorgungsnetzwerks Method for controlling the stability of a supply network elektrichen
11/23/2011EP2388883A1 Power demand-supply management server and power demand-supply management system
11/23/2011EP2388879A1 Protection of power lines
11/23/2011EP2388236A1 Power supply with a first and a second supply
11/23/2011EP2387815A2 Method and apparatus for controlling a hybrid power system
11/23/2011EP2387814A2 Distribution system analysis using meter data
11/23/2011EP2387776A1 Optimization of microgrid energy use and distribution
11/23/2011EP2362515A9 Control method for single-phase grid-connected LCL inverter
11/23/2011EP1565975B1 A device and a method for control of power flow in a transmission line
11/23/2011CN202050384U Real-time multichannel accuracy control electricity-saving device
11/23/2011CN202050253U Multiple large power high speed full-automatic integrated parallel connection and commercial power grid connection system
11/23/2011CN202050252U Low-voltage ride-through topological structure for double-fed wind power converter
11/23/2011CN202050251U Cold-hot co-production microgrid system
11/23/2011CN202050250U Electric arc furnace reactive compensation control system
11/23/2011CN202050249U Non-polar conical surface automatic locking compensator
11/23/2011CN202050248U Intelligent reactive compensation controller
11/23/2011CN202050247U Amplifying circuit with controlled silicon trigger pulses for dynamic reactive power compensating device
11/23/2011CN202050246U Energy saving power distribution device
11/23/2011CN202050245U Three-phase intelligent composite switching device
11/23/2011CN202050244U Parallel type active power filter
11/23/2011CN202050243U Wiring device for directly supplying power to enterprises from generator outlet of thermal power plant
11/23/2011CN202050242U Real time dynamic electrical energy and line loss analysis system based on uniform information model
11/23/2011CN202049203U Multifunctional on-line electric energy quality detection device capable of switching capacitor
11/23/2011CN202046766U Solar photovoltaic elevator control system
11/23/2011CN202046214U Energy-fed traction power supply device
11/23/2011CN102257721A Power system frequency inertia for power generation system
11/23/2011CN102257695A Method and system for testing wind turbine plants
11/23/2011CN102255603A Comprehensive control system and method based on high voltage motor control and reactive power compensation
11/23/2011CN102255593A Direct current driving numerical control device for high-power IGBT (Insulated Gate Bipolar Translator) rectification circuit
11/23/2011CN102255588A Variable-frequency speed regulating device
11/23/2011CN102255586A Constant power wide speed regulation control method for permanent magnet synchronous motor
11/23/2011CN102255519A Energy-saving power distribution device
11/23/2011CN102255517A Shore power supply for ship
11/23/2011CN102255482A Single-phase inverter for eliminating ripples wave at direct current input end and solar photovoltaic generating system
11/23/2011CN102255390A Household energy storing device containing super capacitor and power cell
11/23/2011CN102255356A Efficient uninterruptible power supply
11/23/2011CN102255351A Lithium-ion power station and alternated current electric car/boat
11/23/2011CN102255339A Quick start method for power-supply system of CRDM (control rod drive mechanism)
11/23/2011CN102255338A Transformer automatic switching device for power transmission system
11/23/2011CN102255337A Calculating method for wind power field receiving capability of power grid
11/23/2011CN102255336A High-efficiency and energy-saving self-circulation electronic load
11/23/2011CN102255335A Grid-connected inverter PWM (Pulse Width Modulation) control method based on measured voltage modulation
11/23/2011CN102255334A Intelligent unit matrix grid connecting technology of wind generating set and special equipment thereof
11/23/2011CN102255333A Generator parallel operation system serving as standby power supply and method for selecting bus capacity of generator parallel operation system
11/23/2011CN102255332A On-grid inverter
11/23/2011CN102255331A Transformer-free unilateral inductor grid-connected inverter circuit
11/23/2011CN102255330A Device and method for detecting island of micro power grid system
11/23/2011CN102255329A Island detection method of photovoltaic grid connected system
11/23/2011CN102255328A Method for determining capacity of energy storing device accessed to wind power station based on spectrum analysis
11/23/2011CN102255327A Method for solving three-phase voltage imbalance by using SVG (Static Var Generator)
11/23/2011CN102255326A Method and system for balancing active power loads