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)
10/2010
10/26/2010US7821413 Enhanced AC immunity in ground fault detection
10/23/2010CA2696216A1 Open fuse detection by neutral point shift
10/21/2010WO2010121211A2 System and method for over-voltage protection of a photovoltaic system with distributed maximum power point tracking
10/21/2010WO2010121181A2 System and method for over-voltage protection in a photovoltaic system
10/21/2010WO2010119436A1 A voltage suppressor component
10/21/2010US20100265626 Signal Distribution and Surge Detection and Protection Module and Method
10/21/2010US20100265624 Power circuit with feed through protection circuit
10/21/2010US20100264881 Battery Protection Circuit
10/21/2010DE102008052949B4 Verfahren zum Schutz vor Überspannung in einem an ein Stromversorgungsnetz angeschlossenen System, Überspannungsschutzgerät und Anordnung mit einem solchen Procedures to protect against overvoltage in a computer connected to a power supply network system, surge protection device and arrangement with such
10/20/2010CN201611801U 多功能电力综合测控终端 Multifunction power integrated control terminal
10/20/2010CN201611774U 一种非电量检测继电器 A non-battery detection relay
10/20/2010CN201611765U 报警器 Alarm
10/20/2010CN201611764U 一种全面的异常高电压保护电路 A comprehensive abnormally high voltage protection circuit
10/20/2010CN201611763U 智能大容量快速限流保护装置 Intelligent high-capacity fast current limiting protection device
10/20/2010CN201611361U 过电流检测电路 Overcurrent detection circuit
10/20/2010CN101868907A Limitation of the loading of a power source
10/20/2010CN101868899A Overcurrent protection in a dimmer circuit
10/20/2010CN101868898A Dimmer circuit with overcurrent detection
10/20/2010CN101868105A Electronic ballast and overvoltage protection method thereof
10/20/2010CN101867181A Wiring protection device
10/20/2010CN101867177A Over-voltage and over-current hardware protection circuit and DC power supply circuit
10/20/2010CN101867175A Shutdown circuit of GPS vehicle-mounted position system with function of remote multi-domain automatic shutdown
10/20/2010CN101867170A Fibre channel protector test method for simulating system failure and channel abnormal simultaneously
10/20/2010CN101867169A Protection circuit and power supply system for flash memory
10/20/2010CN101867168A Power protecting circuit and LED lamp
10/20/2010CN101867167A Device for measuring temperature of electrical element in control box
10/20/2010CN101866207A Multifunctional power supply adapter for notebook computer
10/20/2010CN101013807B Electronic panel
10/19/2010US7817398 Surge arrestor mounting system
10/19/2010US7817395 Overvoltage protection element and ignition element for an overvoltage protection element
10/19/2010US7817393 Power distribution switch circuits with fast responses to hard short-circuits
10/19/2010US7817392 Insulated gate bipolar transistor fault protection system
10/19/2010US7817391 Over-current protection device for a switched-mode power supply
10/19/2010US7817389 Electrostatic discharge protection device for high speed transmission lines
10/19/2010US7817385 Semiconductor device including ESD protection field effect transistor with adjustable back gate potential
10/19/2010US7816818 Stove knob timer device
10/14/2010US20100259099 Systems and methods involving motor drive ground fault interrupts
10/14/2010DE212009000026U1 Verbindungssensor zur Identifikation einer Anschlussstelle in einer Schalttafel Connecting sensor to identify a connection point on a panel
10/14/2010DE102009050806A1 Current responsive-trigger circuit, has evaluation electronics arranged downstream to rectifier component, and triggering component i.e. triggering actuator, arranged downstream to evaluation component
10/13/2010EP2238664A1 Distance protection and method for monitoring an electrical power transmission line
10/13/2010EP2238605A1 Fault current circuit breaker and method for carrying out a self-test of a fault current circuit breaker
10/13/2010EP2238604A1 Manually selectable instantaneous current settings for a trip unit and electrical switching apparatus including the same
10/13/2010EP2156203B1 Method and device to predict a state of a power system in the time domain
10/13/2010EP1566873B1 Protection circuit group with ring structure for power electronics control devices
10/13/2010CN201608555U 一种供电电源的自动切换电路 Automatic switching circuit of a power supply
10/13/2010CN201608529U 电压型有源电力滤波器及有源无功发生器的预充电路 Precharge circuit voltage of APF and active VAR Generator
10/13/2010CN201608520U 一种电源浪涌保护器 A power surge protector
10/13/2010CN201608507U 智能型恶性负载识别器 Intelligent load identifier of malignant
10/13/2010CN201608506U 煤矿井下移动变电站低压侧保护器 Coal mine low-side protector mobile substation
10/13/2010CN201608505U 一种小型脱扣式断路漏电保护器 A small leakage protection circuit breaker tripping style
10/13/2010CN201608504U 电热水器漏电及短路、过流双重保护安全装置 Electric water heater leakage and short circuit, over current dual protection safety device
10/13/2010CN201608503U 一种保护电路 A protective circuit
10/13/2010CN201608502U 一种电力系统短路故障快速检测的装置 An electrical short circuit fault system for rapid detection device
10/13/2010CN201608501U 一种断路器的通信电路 A communication circuit of a circuit breaker
10/13/2010CN201608500U 一种节电断电电路 One kind of energy-saving power-off circuit
10/13/2010CN201608136U 一种欠压脱扣器 One kind of undervoltage release
10/13/2010CN201607877U 具有面板供电异常自动保护功能的显示器电路 Display panel power supply circuit has automatic protection function abnormalities
10/13/2010CN101860242A Direct current power circuit based on inductive storage and having no electrolytic capacitor
10/13/2010CN101860010A Real-time automatic intelligent monitoring protection device for pressure of 3M7990 ball flashing machine
10/13/2010CN101860008A Electric-connection thermal tripping operating display device, electronic device and large-discharge surge protector
10/13/2010CN101860007A Remote intelligent residual current monitoring and protection system
10/13/2010CN101860006A Electric leakage protection device suitable for electric water heater
10/13/2010CN101860005A Uninterrupted power test residual current protective device
10/13/2010CN101860004A Power disconnect system and method
10/13/2010CN101860003A Power disconnect system and method
10/13/2010CN101860002A Computing method of preventive control measure for short-circuit current in electric power system
10/13/2010CN101860001A Switch power supply current detection circuit
10/13/2010CN101860000A Quick identification method for permanent fault before single-phase reclosing of power transmission line
10/13/2010CN101859999A Power protection device of high-power electrical appliance
10/13/2010CN101316037B Aftercurrent action protector with self-diagnostic function
10/13/2010CN101208845B Fault current analyser for detecting a fault current and a fault current detection device
10/12/2010US7813818 Medium voltage integrated switchgear
10/12/2010US7813099 Power line outlet strip and method for powerline communications
10/12/2010US7813097 Apparatus and method for detecting an error in a power signal
10/12/2010US7813096 Power supply controller
10/12/2010US7813095 Discrete hot swap and overcurrent-limiting circuit
10/12/2010US7813094 Input-voltage-rate-of-change-dependent current-limit set point for hot-swap controllers
10/12/2010US7813093 Output driver with overvoltage protection
10/12/2010US7813091 Leakage current detector interrupter with continuous duty relay
10/12/2010US7812615 Method and device for fault detection in transformers or power lines
10/12/2010US7812578 DC-DC converter
10/12/2010CA2682919C Protective relay capable of protection applications without protection settings
10/12/2010CA2316050C Earth protection device sensitive to arc currents, trip device and circuit breaker comprising such a device
10/07/2010WO2010114513A1 Three phase power supply fault protection
10/07/2010WO2010113936A1 Charging system, method of charging electric vehicle, and electric vehicle
10/07/2010WO2010113927A1 Electric vehicle charger and ground fault detection method
10/07/2010WO2010113917A1 Ground fault detection device, electric vehicle charger, and ground fault detection method
10/07/2010WO2010113763A1 Solar power generation system and power line for solar power generation system
10/07/2010WO2010113187A1 Protection and command module for electrical systems and apparatus
10/07/2010WO2010112251A1 Charging system with residual-current circuit-breakers
10/07/2010WO2010112083A1 Electric breaker circuit and method of operating an electric breaker circuit
10/07/2010WO2010089338A3 Short-circuit protection device and switching system having such short-circuit protection devices
10/07/2010WO2009127660A3 Drive circuit for a dc motor, comprising an h-bridge and a motor braking circuit
10/07/2010US20100254057 Overload power cut-off device and method thereof
10/07/2010US20100254056 Efficient method for calculating the dot product in fault detection algorithms
10/07/2010US20100254055 Overcurrent protection in a dimmer circuit
10/07/2010US20100254054 Power supply control system
10/07/2010US20100254053 Power disconnect system and method
10/07/2010US20100254049 Circuit interrupter device
10/07/2010US20100253250 Current controller for an electric machine
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