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)
06/2014
06/05/2014US20140153143 Plug tail systems
06/05/2014US20140153142 Ground fault protection
06/05/2014US20140153141 Short-circuit detecting apparatus and method of heating system for high voltage battery
06/05/2014US20140153140 Overvoltage Protection
06/05/2014US20140152120 Electronic device and system
06/05/2014DE102012111615A1 Fehlerstromschutzschalter Residual current circuit breakers
06/05/2014DE102012023649A1 Method of fault handling in loading of electrical energy storage device for use in e.g. battery electric vehicle (BEV), involves analyzing fault condition in loading operation, and outputting fault-indicating output
06/04/2014EP2738990A1 Circuit arrangement with an overload protection for galvanic isolation units
06/04/2014EP2738561A2 Method and device for determining location of earth fault
06/04/2014EP2737588A1 Dc voltage circuit breaker
06/04/2014EP2737514A2 Switching device
06/04/2014EP2737510A1 Dc voltage circuit breaker
06/04/2014CN203632352U 矿用自恢复保护电源装置 Mine since the resumption of power protection devices
06/04/2014CN203632308U 充电器 Charger
06/04/2014CN203632274U 一种具有防雷功能的平板电脑充电器 A tablet charger with lightning function
06/04/2014CN203632230U 一种具有工频过压保护功能的浪涌保护器 Having a power frequency overvoltage protection surge protector
06/04/2014CN203632217U 吹风机过热自动断电保护告警装置 Hair dryer overheating alarm automatic power protection devices
06/04/2014CN203632214U 一种带剩余电流功能的断路器 With a residual current circuit breaker function
06/04/2014CN203632213U 轴承驱动过电压保护器 Bearing drive over-voltage protection
06/04/2014CN203632212U 一种电压回差可调的过欠压检测保护电路 A voltage-hysteresis adjustable over-voltage protection circuit detection
06/04/2014CN203632211U 一种可自恢复的短路保护装置 Short-circuit protection device for self-recovery
06/04/2014CN203632210U 一种快速过流保护锁定电路 A fast overcurrent latch circuit
06/04/2014CN203632209U 一种单相模块智能收费电表的继电保护电路 A single-phase protection circuit module smart meter charges
06/04/2014CN203632208U 智能漏电断路器 Smart leakage circuit breaker
06/04/2014CN203632207U 三相电机停机报警装置 Three-phase motor shutdown alarm device
06/04/2014CN203632206U 先导回路智能处理系统 Pilot circuit intelligent processing system
06/04/2014CN103843214A Transient voltage blocking for powerconverter
06/04/2014CN103840433A Dynamic current-limiting and protective device and method
06/04/2014CN103840429A Safety universal control circuit module and safety leakage protector
06/04/2014CN103840428A Undervoltage protection circuit and lamp
06/04/2014CN103840427A Circuit arrangement having an overload protection for galvanic isolation units
06/04/2014CN103840426A Step-up protection circuit
06/04/2014CN103840425A Internal contracting braking wire breaking and warning device of continuous casting withdrawing-straightening motor
06/04/2014CN103840424A Automatic constant value setting microcomputer-based line protection implementation method
06/04/2014CN103840423A Residual current relay controller circuit
06/04/2014CN102738770B Unloading overvoltage control method for auxiliary power generation system of locomotive
06/04/2014CN102684148B Leakage protection device with extended function
06/04/2014CN102593785B Protective circuit for electric leakage detection
06/04/2014CN102324722B Current differential protection method based on fault component current amplitudes and phase differences
06/04/2014CN102142669B Motor driving device having power failure detection function
06/04/2014CN101796518B Configuration for protecting relay
06/04/2014CN101432941B Load compensation in distance protection of three-phase electric power line
06/04/2014CA2835670A1 Method and system for open neutral protection circuit
06/03/2014US8743523 Systems, methods, and apparatus for limiting voltage across a switch
06/03/2014US8743522 Monitoring method, circuit and system
06/03/2014US8743521 Photovoltaic system with overvoltage protection
06/03/2014US8743519 Method and device for reclosing control using a harmonic ratio
06/03/2014US8743518 Protection circuit
06/03/2014US8743517 ESD protection circuit
06/03/2014US8743513 Arc fault detector for AC or DC installations
06/03/2014US8742940 Fuse and breaker alarm device and method using a finite state machine
06/03/2014US8742765 Traveling wave based relay protection
06/03/2014US8742282 Ablative plasma gun
06/03/2014CA2748458C Phase-control switchgear and phase-control method for switchgear
06/03/2014CA2637280C Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal
05/2014
05/30/2014WO2014080964A1 Line break detecting device
05/30/2014WO2014079511A1 Differential protection method and protective device for carrying out a differential protection method
05/30/2014WO2014078941A1 Community energy storage system with battery bank deactivation
05/29/2014US20140146432 Surface mountable over-current protection device
05/29/2014US20140146431 Circuit breaker panel with wireless communications capability
05/29/2014US20140146429 Undervoltage lockout circuit, switch control circuit and power supply device comprising the undervoltage lockout circuit
05/29/2014US20140146427 Detection system and detection method of distrbuted generation islanding based on power frequency carrier
05/29/2014US20140146422 Gas Circuit Breaker Provided with Parallel Capacitor
05/28/2014DE102004025420B4 Schaltungselement zum Sichern einer Lastschaltung und Chip mit einem derartigen Schaltungselement Circuit element for securing a load circuit and chip having such a circuit element
05/28/2014CN203617789U 一种电力电子设备故障自愈装置 A power electronic equipment failure self-healing device
05/28/2014CN203617689U 具有自我保护功能的太阳能系统控制器 Self-protection solar system controller
05/28/2014CN203617687U 一种多功能漏电保护装置 A multifunctional leakage protection device
05/28/2014CN203617686U 一种缺相保护简单控制电路 One kind of lack of protection a simple control circuit
05/28/2014CN203617685U 适用于电磁炉的igbt芯片及相应的控制电路 Suitable for induction cooker igbt chip and the corresponding control circuit
05/28/2014CN203617684U 一种用数显电压表进行电压精确控制的系统 A digital voltmeter with a system voltage precisely controlled
05/28/2014CN203617683U 电源mov防雷器失效故障电流周波监测装置 Power mov SPD monitoring device failure fault current cycle
05/28/2014CN203617682U 变压器降压的直流电源输出短路保护电路 DC power output short-circuit protection circuit transformer buck
05/28/2014CN203617681U 一种脉冲过流检测与保护电路 An impulse overcurrent detection and protection circuit
05/28/2014CN203617680U 驱动电路及其保护电路 Drive circuit and protection circuit
05/28/2014CN203617679U 一种新型电弧光保护系统 A new arc protection system
05/28/2014CN203617678U 自动重合闸断路器电源系统 Recloser circuit breaker power system
05/28/2014CN203617677U 一种大型电力设备过载保护装置 A large, power equipment overload protection device
05/28/2014CN203617676U 一种断路器合闸线圈用防烧损检测保护装置 A circuit breaker closing coil burnout detection by anti-protection device
05/28/2014CN203616592U 一种电源输出装置 A power output device
05/28/2014CN103828163A 半导体器件控制中的改进可靠性 Improved control of the semiconductor device reliability
05/28/2014CN103828014A 开关装置 Switching device
05/28/2014CN103825329A 一种双向电源转换电路 A bidirectional power conversion circuit
05/28/2014CN103825249A 水泵电机智能数显保护开关 Pump motor protection switch intelligent digital
05/28/2014CN103825248A 一种电力机车辅机保护装置 An electric power locomotive auxiliary protection devices
05/28/2014CN103825246A 漏电保护插头 Leakage protection plug
05/28/2014CN103825245A 一种可区分触电与漏电信号的智能断路器 Can distinguish one kind of electric shock and leakage signal intelligent circuit breaker
05/28/2014CN103825244A 市电过压自动断电保护器 Automatic power mains overvoltage protection
05/28/2014CN103825243A 一种工业车辆电路过载保护器 An industrial vehicle circuit overload protection
05/28/2014CN103825242A 智能型高速电路保护系统 Intelligent high-speed circuit protection system
05/28/2014CN102570379B 直流分励脱扣器与直流中间继电器串联工作的方法 DC shunt method trip to the DC intermediate relay tandem work
05/28/2014CN102496915B 一种配电网故障处理方法及系统 Distribution Network Fault processing method and system
05/28/2014CN101647169B 相位控制开关装置及相位控制开关装置的开闭极控制方法 Pole control method for controlling the opening and closing phase of the switching means and the phase-control switching apparatus
05/27/2014US8738845 Transaction-safe fat file system improvements
05/27/2014US8737032 Method for limiting an un-mirrored current and circuit therefor
05/27/2014US8737031 Voltage monitoring circuit, and vehicle equipped with same
05/27/2014US8737030 Power distribution systems and methods of operating a power distribution system
05/27/2014US8737029 Integrated circuit and integrated circuit package
05/27/2014US8736297 Method for production of a fault signal, and an electrical protective device
05/27/2014US8736279 Electric leakage detection protective circuit with magnetic lock mechanism
05/27/2014US8735714 Device for disabling a photovoltaic panel or array and photovoltaic system including the same
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