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)
07/2012
07/04/2012CN202309031U 一种采用继电器控制的变压器非电量保护装置 A transformer protection relay control non-power uses
07/04/2012CN202309027U 自动延时复位触电保安器 Automatic delay reset shock protector
07/04/2012CN202309026U 一种分励延时漏电控制器 One kind of shunt leakage controller delay
07/04/2012CN202309025U 一种漏电保护足浴盆 One kind of leakage protection foot tub
07/04/2012CN202309024U Circuit for electric leakage protector
07/04/2012CN202309023U 三相四线电源缺相保护装置 Phase four-wire power phase protection device
07/04/2012CN202309022U 一种电压保护电路 A voltage-protection circuit
07/04/2012CN202309021U 一种过压欠压保护装置 An over-voltage protection device
07/04/2012CN202309020U 一种智能控制的输入过压保护电路及采用该电路的开关电源 Input overvoltage protection circuit and an intelligent control of the switching power supply circuit
07/04/2012CN202309019U High-pressure arc discharge protective circuit
07/04/2012CN202309018U 一种供电系统及其电源保护电路 A power supply system and power supply protection circuit
07/04/2012CN202309017U 一种gps有源天线过流保护系统 One kind of gps active antenna current protection system
07/04/2012CN202309016U 电子保险装置 Electronic safety device
07/04/2012CN202309015U 电动机保护器 Motor protection
07/04/2012CN202309014U 短路及过载保护电路 Short circuit and overload protection circuit
07/04/2012CN202306434U 用于显示设备的电路 Circuit for a display device
07/04/2012CN202305699U 基于驱动芯片的igbt短路保护检测电路 Igbt driver chip-based detection circuit short-circuit protection
07/04/2012CN102549867A 电力供应控制装置 Power supply control means
07/04/2012CN102546957A Overload self-protection mobile phone
07/04/2012CN102545661A Self-diagnosis direct-current power supply
07/04/2012CN102545653A Segmented dual-protection-type power supply for semiconductor device testing system
07/04/2012CN102545651A Synchronous rectified PWM regulator with auto fault clearing
07/04/2012CN102545368A Multi-energy intelligent control power-supply system
07/04/2012CN102545357A Fully automatic stop charger
07/04/2012CN102545270A Generalized synchronous new method for grid system and device for implementing method
07/04/2012CN102545181A Protection circuit and protection method thereof
07/04/2012CN102545178A RS485 line status monitor and monitoring method
07/04/2012CN102545163A Battery discharge protection circuit and LED (Light Emitting Diode) lamp
07/04/2012CN102545161A Overcurrent protection device of variable-frequence governor
07/04/2012CN102545155A Active reverse connection prevention and protection circuit of solar cell
07/04/2012CN102545148A Disconnection of a string carrying direct current power
07/04/2012CN102545147A Method for tandem operation of alternating current shunt release and alternating current relay
07/04/2012CN102545146A Motor power supply starter and control method thereof
07/04/2012CN102545145A System and method for protecting a power consuming circuit
07/04/2012CN102545144A Temperature switch type overvoltage protection device
07/04/2012CN102545143A Device and method for detection and protection and circuit board
07/04/2012CN102545142A Null-live wire circuit protection method and circuit as well as device using relay
07/04/2012CN102545141A High-temperature superconductivity current limiting fuse
07/04/2012CN102545140A Method, system, and apparatus for detecting an arc event using breaker status
07/04/2012CN102545139A Overcurrent protection device
07/04/2012CN102545138A Modeling power supply recovering method
07/04/2012CN102545137A Adaptive circuit for monitoring and protecting device of electric power system
07/04/2012CN102545136A MEMS-based switching systems
07/04/2012CN102540208A Antenna short-circuit detection and protection device of satellite navigation receiver
07/04/2012CN102539997A Method and device for detecting arc faults in an alternating current network
07/04/2012CN101958529B Residual current breaker switch with additional trigger switch
07/04/2012CN101931210B Intelligent on-off device of multipurpose power circuit breaker
07/04/2012CN101847863B Relay protection method for double-circuit transmission lines on same tower
07/04/2012CN101834426B Protection device of explosion-proof total station instrument and explosion-proof safety power supply
07/04/2012CN101832647B Water and electricity isolation electric water heater leakage protection method
07/04/2012CN101789582B Electric water heater protection device
07/04/2012CN101719660B Method for automatically resetting grounding protection device of small-current system
07/04/2012CN101567549B Direct-current safety gate
07/04/2012CN101562333B Fast current protection method for distribution network containing distributed power
07/04/2012CN101447659B Fault alarm device and switchboard
07/04/2012CN101405923B Load detector for a dimmer
07/04/2012CN101282035B Residual current devices
07/04/2012CN101171650B An overvoltage protection
07/03/2012US8213146 Semiconductor power conversion apparatus
07/03/2012US8213145 Output driver protection
07/03/2012US8213144 Circuit protection system
07/03/2012US8213142 Amplifier with improved ESD protection circuitry
07/03/2012US8213141 Power over Ethernet electrostatic discharge protection circuit
07/03/2012US8213140 Apparatus and method for operation of an electrical machine for driving a motor vehicle
07/03/2012US8213139 Leakage current protection plug and interrupt protection plug contact spring structure
07/03/2012US8213138 Circuit breaker with arc fault detection and method of operation
07/03/2012US8213136 Engine having power bus fault short circuit control with a disconnection switch
07/03/2012US8213133 Load breaker arrangement
07/03/2012US8212570 Amplifier circuit for a current transformer
06/2012
06/28/2012WO2012086674A1 Power conversion apparatus
06/28/2012WO2012084693A1 Method, circuit breaker and switching unit for switching off high-voltage dc currents
06/28/2012US20120162842 Shunt system for cells in a fuel cell stack
06/28/2012US20120162841 Protection circuit and protection method thereof
06/28/2012US20120162840 Apparatus for electric power tool and recording medium
06/28/2012US20120162839 Safety discharge apparatus for an electrical storage element
06/28/2012US20120161973 Electric receptacle apparatus with replaceable protection module
06/28/2012DE102011090037A1 Hochspannungswechselrichtervorrichtung und elektrischer Leckdetektor für diese High voltage inverter apparatus and electrical leakage detector for this
06/28/2012DE102010055922A1 Monitoring apparatus for monitoring high-voltage onboard network, has evaluation unit to provide warning signal or switch off onboard network, when value of fault current flowing in onboard network exceeds preset values, respectively
06/28/2012DE102010055550A1 Wechselrichter, Energieerzeugungsanlage und Verfahren zum Betrieb einer Energieerzeugungsanlage Inverter, power generation plant and method for operating a power plant
06/27/2012EP2469711A1 Electrical switching device, in particular for switching strong electrical currents
06/27/2012EP2469710A1 Power switch current estimator at gate driver
06/27/2012EP2469674A1 Protective device for electrical installations
06/27/2012EP2469573A2 Trip device of circuit breaker
06/27/2012EP2469554A2 Hybrid switch circuit
06/27/2012EP2469552A2 Method, circuit breaker and switching unit for switching off high-voltage DC currents
06/27/2012CN202285322U 一种灯管寿终保护电路 One kind of lamp end of life protection circuit
06/27/2012CN202285320U 一种直流低压系统的短路保护装置 Short-circuit protection device for low-voltage DC system
06/27/2012CN102522982A Bus interface output stage driving circuit with overvoltage, undervoltage and overcurrent protection functions
06/27/2012CN102522832A Novel current inducing power supply system
06/27/2012CN102522738A Over-voltage protection single-phase electric leakage switch
06/27/2012CN102522734A Overcurrent and overvoltage protection circuit
06/27/2012CN102522731A Intelligent reclosing controller
06/27/2012CN102522725A Intelligent overcurrent protection circuit for integrated circuit test system
06/27/2012CN102522273A Intelligent magnetic latching miniature circuit breaker
06/27/2012CN102520359A Battery management system and method for short circuit detection and turn-off by adopting same
06/27/2012CN101950955B Control circuit capable of preventing supervoltage and preventing surge voltage
06/27/2012CN101707344B Signal acquisition controller
06/27/2012CN101673938B Output short-circuit soft-restoration control circuit and application thereof in DC-DC converter
06/27/2012CN101488663B Over high voltage protection circuit apparatus and method thereof
06/27/2012CN101087062B Intelligent management device of single user power site
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