Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
07/2014
07/02/2014CN102623968B 基于特征谐波的高压直流输电线路保护方法及其系统 Feature-based harmonic HVDC transmission line protection method and system
07/01/2014US8769517 Generating a common symbol table for symbols of independent applications
07/01/2014US8768635 Systems and methods for determining electrical faults
07/01/2014US8767369 Method, power unit, and power system having gate voltage limiting circuit
07/01/2014US8767366 Electrostatic discharge protection circuit for compound semiconductor devices and circuits
07/01/2014US8767364 Vehicle steering system
07/01/2014US8767363 Methods and arrangements including circuit breaking means in a power supply system
07/01/2014US8767362 Islanded power system with distributed power supply
07/01/2014US8767361 Protection circuit for an electronic circuit
07/01/2014US8767359 Electrostatic discharge protection circuit and electrostatic discharge protection method
07/01/2014US8767357 Overvoltage protection system for power system with multiple parallel-connected switching power supplies
07/01/2014US8766675 Overvoltage protection circuit
07/01/2014DE202014003691U1 Lastüberwachung mittels einer Überstromschutzeinrichtung Load monitoring by means of an overcurrent protective device
06/2014
06/26/2014WO2014099096A1 Circuit interrupter providing ground fault protection and system including the same
06/26/2014WO2014095574A1 Method of controlling an automobile vehicle battery charger and associated charger
06/26/2014WO2014094985A1 A method of out of step detection in electrical power network
06/26/2014WO2014094977A1 A power-based method of out of step detection in electrical power network
06/26/2014WO2014094929A1 Method and device for monitoring a photovoltaic system
06/26/2014WO2014094592A1 Alarming system and method for alarming
06/26/2014WO2014094358A1 Terminal operator protective circuit of dc power supply system
06/26/2014US20140177298 Device for protecting against an electrical overcurrent in at least one electronic switching branch, conversion system including such a protection device, and associated control method
06/26/2014US20140177117 Ground monitor current sensing
06/26/2014US20140177116 Power-off protection system and method
06/26/2014US20140177115 Rechargeable battery
06/26/2014US20140177112 Inverter protection device
06/26/2014US20140177111 Safe quick disconnect leakage protector
06/26/2014US20140177110 Ground monitor accessory connection
06/26/2014US20140175877 Building Power Management System
06/25/2014EP2747231A1 Hardware-based, redundant overvoltage protection
06/25/2014EP2747230A1 A power-based method of out of step detection in electrical power network
06/25/2014EP2747229A1 Method for predicting and detecting current transformer saturation under sympathetic inrush
06/25/2014EP2747228A2 System and method for fault protection
06/25/2014EP2747116A1 Three-phase ground fault circuit interrupter
06/25/2014EP2746788A1 A method of out of step detection in electrical power network
06/25/2014EP2745366A1 Adaptive light detection for arc mitigation systems
06/25/2014CN203674746U 一种具有mppt功能的便携式太阳能移动电源 Portable solar mobile power source with mppt function
06/25/2014CN203674738U 一种节能电池分容柜装置 An energy-saving device battery-capacity counters
06/25/2014CN203674696U 一种短路保护电路 One kind of short-circuit protection
06/25/2014CN203674692U 升压变换器以及用于升压变换器的控制器 Boost converter and a boost converter controller
06/25/2014CN203674691U 用于电源电路的欠压过压保护电路 Undervoltage protection circuit for the power supply circuit
06/25/2014CN203674687U 一种智能型漏电断路器 An intelligent leakage circuit breaker
06/25/2014CN203674686U 一种漏电保护器的漏电监控芯片 One kind of leakage protection leakage monitoring chip
06/25/2014CN203674685U 一种新型750千伏断路器储能电机控制回路 A new 750 kV circuit breaker charging motor control circuit
06/25/2014CN203674684U 手自动闸一体式智能漏电保护器 Hand-in-one intelligent automatic gate leakage protection
06/25/2014CN203674683U 一种真空断路器 A vacuum breaker
06/25/2014CN103891076A 用于分离的电力过流以及短路保护的配电设备 For the separation of power over current and short circuit protection and distribution equipment
06/25/2014CN103887768A 励磁系统整流桥差动保护方法及系统 Rectifier bridge excitation system of differential protection method and system
06/25/2014CN103887765A 具有分立元件定时自检功能的漏电检测保护电路 With leakage detection and protection circuit self-test function of the timing of discrete components
06/25/2014CN103887764A 兼具定时自检和反接线保护功能的漏电检测保护电路 Both the timing and the anti-self-test wiring protection leakage detection and protection circuits
06/25/2014CN103887763A 基于等电位检测的用电设备漏电保护装置 Electrical equipment and other potential leakage protection device based on detected
06/25/2014CN103887762A 输出通道可调谐延时式自恢复过流保护电路 Output channel tunable delay self-recovery overcurrent protection circuit
06/25/2014CN103887761A Pwm驱动电路 Pwm drive circuit
06/25/2014CN103887760A 故障保护系统和方法 Fault protection system and method
06/25/2014CN103887759A 电动车智能性故障显示保护器 EV intelligent fault protection
06/25/2014CN103887660A 三极与二极可相互切换的漏电保护插头 Three-pole and two-pole earth leakage protection plug can be switched with each other
06/25/2014CN103885382A 一种带过流保护的plc输出电路 A tape output overcurrent protection circuit plc
06/25/2014CN102622955B 点阵式vfd显示屏保护电路 Dot-matrix display vfd protection circuit
06/25/2014CN102611083B 一种自适应零序电流网络化保护的实现方法 An adaptive zero sequence current protection network implementations
06/25/2014CN102280860B 基于pwm芯片的自激式变换器输入过压保护电路 Based on input overvoltage protection circuit pwm chip self-excited converter
06/25/2014CN101981774B 用于产生故障信号的方法、装置和现场设备 Method for generating a fault signal, the apparatus and the field devices
06/25/2014CN101952922B 保护继电器及用于其的人机接口 Protection relays and for its human interface
06/25/2014CN101778511B 一种输出过电压保护电路及led电源驱动器 An output over-voltage protection circuit and led power drive
06/25/2014CN101752829B 一种欠压保护电路及开关电源 One kind of undervoltage protection circuit and switching power supply
06/24/2014US8762085 Method of estimating short circuit current available by analysis of DC charging circuit
06/24/2014US8760849 Leakage detection protection circuit with lightning protection
06/24/2014US8760832 Load circuit protection device
06/24/2014US8760828 Electro-static discharge clamp (ESD) for NxVDD power rail
06/24/2014US8760827 Robust ESD protection circuit, method and design structure for tolerant and failsafe designs
06/24/2014US8760826 Bipolar DC to AC power converter with DC ground fault interrupt
06/24/2014US8760825 Wireless branch circuit energy monitoring system
06/24/2014US8760824 Ground fault circuit interrupter (GFCI) monitor
06/24/2014US8760254 Apparatus and method for mounting an overhead monitoring device
06/21/2014CA2834064A1 Portable self powered line mountable electric power line current monitoring transmitting and receiving system
06/20/2014CA2836030A1 System and method for fault protection
06/19/2014WO2014092880A2 Circuit interrupter including supervisory function for protective function and hardware circuit repetitive test function
06/19/2014WO2014090816A1 Ground fault direction determination for medium or high voltage distribution networks
06/19/2014WO2014090751A1 Circuit electrical circuit comprising an interruption component for blocking power|supply from a battery when the battery voltage is below a threshold, and device|comprising such an electrical circuit
06/19/2014WO2014090470A1 Protective circuit
06/19/2014WO2014090316A1 Switch arrangement of a d.c. voltage network
06/19/2014WO2014090023A1 Method of layered and graded data matching and relay protection setting value fusion for electrical power system
06/19/2014WO2014089958A1 Distribution network failure isolation and recovery method realizing penetration distributed generation
06/19/2014WO2014089637A1 Power distribution system and method, and circuit breaker for use therein
06/19/2014WO2013143770A3 Safety device for a high-voltage system and method for safeguarding a high-voltage system
06/19/2014US20140168841 Current differential relay and current differential relay system using current differential relay thereof
06/19/2014US20140168839 Motherard protection circuit
06/19/2014US20140168838 Method and Component for Voltage Instability Protection in an Electric Power System
06/19/2014US20140168837 Safety system
06/19/2014US20140168836 Arrangements for network protection
06/19/2014US20140168830 Three-phase ground fault circuit interrupter
06/19/2014US20140168828 Circuit interrupter providing ground fault protection and systemincluding the same
06/19/2014US20140168827 Motor protection system
06/18/2014EP2744062A1 A subsea system with ride-through protecion
06/18/2014DE102012112435A1 Sicherungsautomat mit Hilfskurzschluss Breaker with auxiliary short circuit
06/18/2014CN203660647U 一种带合环选掉保护的并联转换控制系统 A tape off the protective ring selected Parallel conversion control system
06/18/2014CN203660635U 一种具有报警功能的应急供电电源 Having an alarm function of emergency power supply
06/18/2014CN203660518U 绝缘栅双极晶体管过流保护电路 Insulated gate bipolar transistor overcurrent protection circuit
06/18/2014CN203660517U 一种锂电池保护电路的附加自动恢复装置 One kind of lithium battery protection circuit additional automatic recovery device
06/18/2014CN203660505U 一种变电站站用电系统的保护装置 Substation protection device for power system
06/18/2014CN203660498U 一种变电站刀闸温差自发电无线超温保护装置 Substations knife temperature difference between self-generation wireless overtemperature protection device
06/18/2014CN203660497U 漏电保护装置 Leakage protection device
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 331