Patents
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
03/2012
03/29/2012DE102005024321B4 Absicherungsschaltung Protection circuit
03/28/2012EP2434512A1 Method for activating the counter of a sectionalizer
03/28/2012EP2433351A2 Method for discharging a filter capacitor at the output of an inverter device and inverter device
03/28/2012EP2166642B1 Battery state monitoring circuit and battery device
03/28/2012CN202178569U Coal mine leakage protection system based on compensation grounding reactance branch current principle
03/28/2012CN202178568U 一种集成型高压带电显示闭锁装置 An integrated high-voltage live shows locking device
03/28/2012CN202178567U 多个电池单元串联的电池保护电路及系统 Battery protection circuit and system having a plurality of battery cells connected in series
03/28/2012CN202178566U 一种串联电容保护电路 A tandem capacitor protection circuit
03/28/2012CN202178565U 用于交流三相电机的保护电路 Protection circuit for AC three-phase motor
03/28/2012CN102394493A Electrical signal collection monitoring device
03/28/2012CN102394492A Circuit breaker closing protection device and closing protection method
03/28/2012CN102394491A Residual current protection circuit
03/28/2012CN102394490A Protective circuit for analogue switch
03/28/2012CN102394489A Charging power supply protection circuit
03/28/2012CN102394488A Open-phase protection circuit of motor
03/28/2012CN102392777A Generating set for high-rise building drainage systems
03/28/2012CN101707360B Adaptive weak-infeed pilot protection method of transmission line
03/28/2012CN101640410B Relay utilizing fault transient state current component protection and application method thereof
03/28/2012CN101582325B Protecting device of air conditioner
03/28/2012CN101231529B Systems and methods of tracking partition system performance
03/27/2012US8144446 Isolated current sensor
03/27/2012US8144439 Method and circuit for producing rotor position signals and for the commutation of brushless direct-current motors, without using sensors
03/27/2012US8144438 Motor control center communication system
03/27/2012US8143875 Method and apparatus to limit output power in a switching power supply
03/27/2012US8143858 Electrical apparatus, electrical apparatus system, and power supply apparatus
03/27/2012CA2437377C Aircraft applicable ground fault circuit interrupter
03/22/2012WO2011103827A3 Over-current protection method for lithium battery and device thereof
03/22/2012US20120071326 Quench protection circuit for superconducting magnet coils
03/22/2012US20120070168 Load abnormality detection apparatus performing accurate judgment of cause of abnormality
03/22/2012US20120068644 Control apparatus for rotary electric machines
03/22/2012US20120068546 Power supply unit and its control device
03/22/2012DE102010062078A1 Invertersteuerungssystem Inverter control system
03/22/2012DE102010009484B4 Wechselrichter für Photovoltaikanlagen Inverter for photovoltaic systems
03/22/2012DE102004043877B4 Antriebssteuereinrichtung für einen selbstgeführten Stromrichter Drive control device for a self-commutated converter
03/22/2012CA2749451A1 Short circuit control for high current pulse power supply
03/21/2012EP2432133A1 Utility communication method and system
03/21/2012EP2432112A1 Motor control device
03/21/2012EP2432067A2 Battery system, vehicle, and battery mounted device
03/21/2012EP2430719A1 Temperature monitoring for a busbar trunking system
03/21/2012EP2141780B1 Phase control switch and switching pole control method in phase control switch
03/21/2012EP1402611B1 Anti-pinch window control system and method
03/21/2012CN202172365U 一种功率模块及功率变换系统 A power module and power conversion system
03/21/2012CN202172357U 智能保护型盘式磁耦联轴器 Smart-protected disc magnetic coupling Couplings
03/21/2012CN202172300U 具有开关保护装置的非隔离型充电系统 Non-isolated switching the charging system has protective devices
03/21/2012CN202172266U Intelligent power distribution safety control system
03/21/2012CN202172265U 一种集成于继电保护装置中的断路器状态监测系统 An integrated protection devices in a circuit breaker condition monitoring system
03/21/2012CN202172264U 零线监控装置 Zero line monitoring device
03/21/2012CN202172263U Novel low-voltage distribution system
03/21/2012CN202172262U 应急动力启动电源过流与短路自动保护恢复电路 Emergency power supply overcurrent and short circuit starts automatic protection recovery circuit
03/21/2012CN202172261U 一种大容量电机或多台电机的抗晃电装置 A high capacity motor or motors anti-shake electrical device
03/21/2012CN202172260U 智能电机控制装置 Intelligent motor control device
03/21/2012CN202172259U 一种发电机全压采样电压调压器的采样电路和电路模块 An electric generator voltage regulator full pressure sampling sampling circuit and the circuit module
03/21/2012CN202172258U 一种电气多余度无刷直流电机故障保护装置 An electrical extra degree brushless DC motor fault protection device
03/21/2012CN202172257U 一种滚筒洗衣机的保护装置 A protective device Washing Machine
03/21/2012CN1988305B Method in frequency converter, and frequency converter
03/21/2012CN102386828A Method for operating a wind turbine, method for determining the temperature of a permanent magnet and controller for a wind turbine
03/21/2012CN102386827A High-voltage resistant jumper and de-excitation protective circuit based on same
03/21/2012CN102386815A Integrated motor starting and protecting device with improved structure
03/21/2012CN102386784A 节能电子变压器及其操作方法 Energy-saving electronic transformer and its method of operation
03/21/2012CN102386761A Intrinsic safety output quasi-Z-source switching converter
03/21/2012CN102386616A Simulation verification method for relay protection coordination relationship
03/21/2012CN102386615A Protection system and method for preventing override trip during short-circuit fault in coal mine power supply and distribution system
03/21/2012CN102386614A Method for sharing standby protecting device by power equipment in intelligent transformer substation
03/21/2012CN102386613A Controller with a battery charging protection function
03/21/2012CN102386612A Protection circuit for a power conversion apparatus
03/21/2012CN101165963B Battery management system (BMS) and driving method thereof
03/21/2012CN101145747B Switch magnetic resistance motor power circuit device including smart power module and implementation method
03/20/2012US8139383 Power station for power transmission to remotely located load
03/20/2012US8139326 Unit with built-in control circuit with protect elements
03/20/2012CA2609039C Switchgear control apparatus
03/15/2012WO2012032228A1 Method of teleprotection of a line carrier current electrical network
03/15/2012WO2012031629A1 Method and system for disconnecting a generator from a power system
03/15/2012WO2012031428A1 Photovoltaic module capable of being electrically isolated and electrical isolation method thereof
03/15/2012US20120063181 Modular Voltage Source Converter
03/15/2012US20120063180 Protection Circuit for a Power Conversion Apparatus
03/15/2012US20120063039 Systems and methods for protection of components in electrical power delivery systems
03/15/2012US20120063036 System and apparatus for circuit protection within an equipment enclosure
03/15/2012US20120062157 Brushless motor control device and brushless motor system
03/15/2012DE10297637B4 Überlastschutzvorrichtung und -verfahren eines Kompressors Overload protection device and method of a compressor
03/14/2012EP2427942A1 Method of adapting a configuration of a voltage converting device and voltage converting unit for a voltage converting device
03/14/2012EP2427941A1 Short-circuit protection for an electric vehicle battery
03/14/2012CN202168241U Charging type light emitting diode desk lamp
03/14/2012CN202168024U 一种永磁直流无刷电机控制装置 A permanent magnet brushless DC motor control device
03/14/2012CN202167993U 具有无损缓冲电路的移相全桥开关电源变换器 Lossless snubber circuit having a phase-shifted full-bridge switching power converter
03/14/2012CN202167989U 一种具有限流短路保护的线性稳压器 Having a current limiting circuit protection linear regulator
03/14/2012CN202167978U Over-temperature protection switch power supply transformer
03/14/2012CN202167866U 一种带有法拉电容的溶解氧测控系统 Dissolved oxygen measurement and control system with a capacitance in a
03/14/2012CN202167841U 一种基于电能计量芯片技术的高精度智能接地选线设备 Precision smart grounding line selection device based on energy metering chip technology
03/14/2012CN202167840U 中低压开关柜内电弧光综合保护系统 Low-voltage switchgear arc integrated protection system
03/14/2012CN202167839U Electric power pressure plate with switching on/off detection device
03/14/2012CN202167838U 中压断路器合闸线圈保护装置 Medium voltage circuit breaker closing coil protection
03/14/2012CN202167837U 一种pfc过流保护电路及应用该电路的空调器 Air conditioner one kind pfc current protection circuit and application of the circuit
03/14/2012CN202167836U 晶闸管过压保护装置 Thyristor overvoltage protection device
03/14/2012CN202167835U 一种电池保护装置 A battery protection device
03/14/2012CN202167834U 车辆蓄电池帮电保护电路 Help electric vehicle battery protection circuit
03/14/2012CN202167833U 独立于电源模块的芯片级闩锁现象过流保护电路 Independent of the power supply module latch chip-level overcurrent protection circuit
03/14/2012CN202167832U 起重设备过载自动报警装置 Lifting equipment overload alarm device
03/14/2012CN202167831U 一种安全型数码发电机 A safe-type digital generator
03/14/2012CN202167830U Feed line comprehensive protective device
03/14/2012CN202167323U 变压器风机远方及自动投切装置 Transformers fan remote and automatic switching device
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