Patents
Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031)
08/2011
08/10/2011CN201927999U 晶闸管无功补偿缺相保护系统 Thyristor reactive power compensation phase protection systems
08/10/2011CN201927998U Led背光灯串短路保护电路 Led backlight string short circuit protection
08/10/2011CN201927995U 一种电功率检测控制装置 An electric power detection and control means
08/10/2011CN201927994U 一体化过电压漏电断路器 Integrated overvoltage leakage circuit breaker
08/10/2011CN201927993U 一种矿用防爆兼本质安全型不断电漏电试验馈电开关 One kind of mine explosion and intrinsically safe electrical leakage test continuous feed switch
08/10/2011CN201927992U 电压偏差动作保护装置 Voltage deviation operated protective devices
08/10/2011CN201927991U 漏电保护器无线报警装置 Wireless alarm device leakage protection
08/10/2011CN201927990U Intrinsic safety circuit for belt protection machine for coal mine
08/10/2011CN201927989U 电视电器防雷开关 TV Electric Lightning Switch
08/10/2011CN201927988U 短路切除装置 Short circuit removal device
08/10/2011CN201927987U 一种大型电力设备过载保护装置 A large, power equipment overload protection device
08/10/2011CN201927986U 感应加热电源故障报警电路 Induction heating power failure alarm circuit
08/10/2011CN201927985U Remote wireless power off device
08/10/2011CN201927569U 一种不间断电源电池组充电保护熔断器熔断的警示装置 One kind of uninterruptible power supply battery charge protection fuse blown warning device
08/10/2011CN201927564U 一种小型防雷漏电断路器 A small lightning leakage circuit breaker
08/10/2011CN201927563U 具有自动合闸控制单元的智能断路器 Control unit with automatic closing intelligent circuit breaker
08/10/2011CN201926706U 一种三相交流电量采集装置 A three-phase AC power collection device
08/10/2011CN201924689U 机电双控智能锁具及门锁系统 Electromechanical locks and dual control intelligent lock system
08/10/2011CN102150338A Overcurrent detection circuit, inverter, compressor, air conditioner, and overcurrent detection circuit adjusting method
08/10/2011CN102148498A Digital subscriber line (DSL) protection circuit
08/10/2011CN102148491A Power interruption device for motorcycle falling
08/10/2011CN102148490A Three-phase combined type voltage zero sequence transformer
08/10/2011CN102148489A AC undervoltage or power-off fast response circuit
08/10/2011CN102148488A Circuit device
08/10/2011CN102148487A Fusing device for printed circuit board (PCB) short-circuit power supply and control method thereof
08/10/2011CN102148114A 多功能空气开关 Multifunction air switch
08/10/2011CN101540492B Intelligent fuse
08/10/2011CN101527234B Shunt release capable of detecting abnormal power state
08/10/2011CN101499676B Vehicular power cell diagnosis method and alarm thereof
08/09/2011US7995319 Semiconductor device with overcurrent protection circuit
08/09/2011US7995318 High frequency power converter
08/09/2011US7995317 Dual voltage hot swap module power control
08/09/2011US7995315 Ground fault protection circuit for multi-source electrical distribution system
08/09/2011US7995313 Method for operating a plasma process and arc discharge detection device
08/09/2011CA2414826C Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same
08/09/2011CA2374381C Load control system having an overload protection circuit
08/09/2011CA2364989C Circuit breaker with bypass conductor commutating current out of the bimetal during short circuit interruption and method of commutating current out of bimetal
08/09/2011CA2340406C An apparatus for limiting an electrical current
08/04/2011WO2011092384A2 Interface device between two parts of an electrical network
08/04/2011US20110191293 Real time backup system for computer users
08/04/2011US20110188164 Reverse Battery Cutoff Circuit for an Actuator or the Like
08/04/2011US20110188160 Protective device having a thin construction
08/03/2011EP2352213A1 Vorrichtung und Verfahren zum Differentialschutz, und eine solche Vorrichtung enthaltendes elektrisches Gerät
08/03/2011EP2352038A1 Method for detecting single phase grounding fault based on harmonic component of residual current
08/03/2011EP2350680A1 Communication interface apparatus for an electrical distribution panel, and system and electrical distribution panel including the same
08/03/2011CN201919209U 用于医疗设备中led灯的驱动电源 Drive power for medical devices led lights
08/03/2011CN201919146U 带可调电位器防止啸叫装置的音箱 With adjustable potentiometer prevent howling device Speakers
08/03/2011CN201918954U 一种短路保护速度控制器 One kind of short-circuit protection of the speed controller
08/03/2011CN201918953U 一种多功能速度控制器 A multifunctional speed controller
08/03/2011CN201918796U 有线电视网络设备不间断供电器 Uninterruptible power supply cable network equipment
08/03/2011CN201918774U 一种自冷式双环控制型充电器 A self-cooling loop control charger
08/03/2011CN201918768U 手机充电箱 Phone charging box
08/03/2011CN201918728U 带相位自动纠错功能的电路 Circuit with automatic error correction phase
08/03/2011CN201918714U 一种igbt模块过温保护电路 One kind igbt module over-temperature protection circuit
08/03/2011CN201918712U 电机保护器 Motor protection
08/03/2011CN201918711U 带相序保护装置的地铁隧道风机控制电路 Subway tunnel fan with phase sequence control circuit protection device
08/03/2011CN201918705U 变压器过流过热保护器 Transformer overheating protection overcurrent
08/03/2011CN201918703U 可恢复超温保护电路 Recoverable overtemperature protection circuit
08/03/2011CN201918701U 一种汽车发电机防短路型线圈架结构 An automobile generator short-circuit proof type bobbin structure
08/03/2011CN201918700U 自动重合闸漏电保护开关 Automatic reclosing leakage protection switch
08/03/2011CN201918699U 智能漏电开关 Smart GFCI
08/03/2011CN201918698U Safety barrier
08/03/2011CN201918697U 多功能限流负载控制器 Multifunction limiting load controller
08/03/2011CN201918696U 电源输出插座过载报警装置 Power outlet overload warning device
08/03/2011CN201918695U 一种机载计算机欠压保护电路 An airborne computer undervoltage protection circuit
08/03/2011CN201918694U 一种用于集成dsl接入设备的断电告警电路 Power failure alarm circuit for integrated access device dsl
08/03/2011CN201918693U 具有紧急控制开关的ups装置 Ups device has an emergency control switch
08/03/2011CN201916231U 无刷直流马达风扇控制电路 Brushless DC motor fan control circuit
08/03/2011CN201916061U 一种抗干扰速度控制器 One kind of interference speed controller
08/03/2011CN102144184A Method for electrically securing an electrical power supply of an electrically controlled lighting system or system with variable optical properties and use of the electrically secured system
08/03/2011CN102142671A Novel leakage protection circuit
08/03/2011CN102142670A Electrical wiring protection device
08/03/2011CN102142669A Motor driving device having power failure detection function
08/03/2011CN102142668A Overcurrent rapid-disconnection protection circuit based on digital control potentiometer technology
08/03/2011CN102142667A Breaker and power monitoring system
08/03/2011CN101697413B Protective device of direct current power supple for communication equipment
08/03/2011CN101651273B Single magnet type electric leakage protection socket
08/03/2011CN101651272B Fire-proof and electric leakage-proof safety plug
08/03/2011CN101404404B Demarcation breaker for vector-synthesis zero sequence current
08/03/2011CN101379669B Power source device, electric vehicle mounted with the power source device, and control method for power source device
08/02/2011US7991739 Real time backup system for computer users
08/02/2011US7990672 Supervision circuit to detect very fast power supply drops
08/02/2011US7990671 Overvoltage protection control circuits and overvoltage protection control methods
08/02/2011US7990670 Protective circuitry for electronic device
08/02/2011US7990669 Battery protection circuit and battery device
08/02/2011US7990668 Device protection using temperature compensation
08/02/2011US7990667 Semiconductor device including esd protection field effect transistor with adjustable back gate potential
08/02/2011US7990664 Electrostatic discharge protection in a field programmable gate array
08/02/2011US7990663 Detecting and sensing actuation in a circuit interrupting device
08/02/2011CA2406313C Method and device for power system protection
08/02/2011CA2371493C Method for operating an electric motor, and an electric motor for carrying out such a method
08/02/2011CA2282625C Improved fault protection scheme
07/2011
07/28/2011WO2011091429A2 Circuit breaker panel
07/28/2011WO2011090464A1 Method and apparatus for detecting arc faults and their locations in enclosed electrical wiring
07/28/2011WO2011089186A1 Electronic overcurrent release for circuit breakers
07/28/2011US20110181994 Surge energy transfer circuit
07/28/2011US20110181993 Switching device
07/28/2011US20110181296 Arc fault detector with circuit interrupter
07/28/2011DE10245098B4 Lastbetriebsvorrichtung mit Überstromschutz Load device with overcurrent protection
07/28/2011CA2787707A1 Electronic overcurrent release for circuit breakers
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