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)
04/2014
04/16/2014CN203553882U Transformer low-voltage tripping automatic reclosing device
04/16/2014CN203553881U Overhead lines and cable hybrid adaptive reclosing device
04/16/2014CN203553880U Integrated accident signal resetting circuit in microcomputer type relay protection circuit
04/16/2014CN203553879U Three-phase voltage monitoring relay
04/16/2014CN1829027B Protective circuit for intrinsically safe electromagnetic actuators, and protective circuit for intrinsically safe energy supply systems
04/16/2014CN103733457A Adaptive light detection for arc mitigation systems
04/16/2014CN103730879A Protection device for power utilization system of transformer substation
04/16/2014CN103730878A 4.6GHz high-power continuous wave system protection method
04/16/2014CN103730839A Electric power measuring device, distribution board, distribution board system and method for manufacturing same
04/16/2014CN103728887A Electricity-larceny-preventing controller
04/16/2014CN102595731B Light-dimming LED controller and output short-circuit protection method thereof
04/16/2014CN102570845B Singlechip-based automatic voltage conversion system
04/16/2014CN102522982B Bus interface output stage driving circuit with overvoltage, undervoltage and overcurrent protection functions
04/16/2014CN102368595B Nuclear power station distribution board
04/16/2014CN102270831B Wide-voltage power protection device of intelligent vehicle-mounted terminal
04/16/2014CN102255278B Comprehensive leakage protector
04/16/2014CN102077436B Method for production of an oscillating signal and electrical protection - or measurement instrument having an oscillation identification device
04/16/2014CN102077433B Circuit breaker with improved re-closing functionality
04/16/2014CN101868899B Overcurrent protection in a dimmer circuit
04/15/2014US8699203 System for dissipating a lightning current generated by a thunderstorm discharge on an aircraft
04/15/2014US8699198 Compact transient voltage surge suppression device
04/15/2014US8699197 Compact transient voltage surge suppression device
04/15/2014US8699195 System and method for detection of multiple current limits
04/15/2014US8699193 Protection circuit for a power conversion apparatus
04/15/2014US8699192 Method, device and switch for providing short-circuit protection for resistive AC load
04/15/2014US8699191 Power management arrangement and method in a utility meter
04/10/2014WO2014055042A1 Wireless and batteryless module for detecting operating mode of electric devices
04/10/2014WO2014053742A1 Contactless charging system for charging a motor vehicle battery
04/10/2014WO2014053174A1 Method for sensing a fault in a power system based on travelling wave currents
04/10/2014US20140098450 Protection relay system against single-phase faults for medium-voltage distribution networks
04/10/2014US20140098446 Universal Ground Fault Interrupter (GFCI) Device and Printed Circuit Board Package
04/10/2014US20140098445 Signal Activated Circuit Interrupter
04/10/2014US20140097685 A serial loading constant power supply system
04/10/2014DE102013005439A1 Safety device for securing electric current path in electrical system of e.g. hybrid vehicle, has overload relays that are connected with shift element over mechanical coupling for interruption of current paths
04/10/2014DE102005034644B4 Fehlerstromschutzschalter mit zusätzlichem Auslöseschalter Residual current circuit breakers with additional trigger switch
04/09/2014EP2717403A1 Protection apparatus of load circuit
04/09/2014EP2717402A1 Improved plan for protection against single-phase defects for medium-voltage power grids
04/09/2014EP2717063A1 Method for monitoring and measuring an insulating resistance with an interference-resistant measurement signal
04/09/2014EP2715896A1 Ground fault protection
04/09/2014CN203537056U Self-recovery device for UPS output fault
04/09/2014CN203536935U Electric leakage circuit breaker with anti-interference function
04/09/2014CN203536934U Electric leakage protection plug
04/09/2014CN203536933U Overvoltage protection circuit used in vehicle controller
04/09/2014CN203536932U Overload self-recovery circuit without safe
04/09/2014CN203536931U Current monitoring system
04/09/2014CN203536930U Over-current protection solid-state relay circuit
04/09/2014CN203536929U Load over-current and input power supply reversal connection composite protection circuit
04/09/2014CN203536928U Over-current relay
04/09/2014CN203536927U Emergency protection circuit provided with indicating lamp
04/09/2014CN203536926U An electric protection device for automatically cutting off a household circuit when power recovers from power cut
04/09/2014CN203536653U Leakage protection plug
04/09/2014CN203536652U Electric leakage protection plug with overtemperature detection
04/09/2014CN203535526U Relay type voltage stabilizer
04/09/2014CN103718405A Ground fault protection
04/09/2014CN103715683A Power supply circuit and power supply method for direct-current variable-frequency air conditioner, and direct-current variable-frequency air conditioner
04/09/2014CN103715651A Leakage protector having test recording function
04/09/2014CN103715650A Differential protection device based on Faraday magneto-optical effect
04/09/2014CN103715649A Direct current protection circuit and network equipment
04/09/2014CN103715648A Pilot circuit processing device
04/09/2014CN102545147B Method for tandem operation of alternating current shunt release and alternating current relay
04/09/2014CN102437547B Brake unit overload method
04/09/2014CN102332702B Intelligent real-time on-line displaying and controlling leakage protector and control method thereof
04/09/2014CN102332701B Safety intelligent leakage protector and control method thereof
04/09/2014CN102324723B Flameproof phase-sensitive short circuit protection feed switch and working method thereof
04/09/2014CN102280869B Switching device
04/09/2014CN102231510B Pulsating DC (direct current) aftercurrent protector and running method thereof
04/09/2014CN102222874B Direct-current solid-state circuit breaker
04/09/2014CN102177617B Device and method for protecting link in medium-, high- or very high-voltage electric network
04/09/2014CN101895109B Power system of vehicular interaction device
04/09/2014CN101753003B Protective device and method of boost converter
04/09/2014CN101702509B Blocking surge protection device
04/09/2014CN101656413B Overvoltage protection device
04/08/2014US8693156 Protection apparatus for load circuit
04/08/2014US8693154 Protection relay
04/08/2014US8693153 Recloser device and method of operation
04/08/2014US8693152 Power over ethernet powered device circuit and electrostatic discharge protection circuit thereof
04/08/2014US8693148 Over-limit electrical condition protection circuits for integrated circuits
04/08/2014US8692420 Safety device for multichannel controlling of a safety-related unit
04/08/2014US8692289 Fast turn on silicon controlled rectifiers for ESD protection
04/03/2014WO2014048278A1 Anti-back-current method and device for grid-connected power generation system
04/03/2014US20140092514 Modular lightning surge protection apparatus
04/03/2014US20140092512 Battery Tester
04/03/2014US20140092509 Protection circuit, interface circuit, and communication system
04/03/2014US20140092508 Clamping circuit, a semiconductor apparatus including the same, and a clamping method of the semiconductor apparatus
04/03/2014US20140092503 Processor-based circuit interrupting devices
04/03/2014US20140092502 Residual current device (rcd) with earth current sensing
04/03/2014US20140091763 Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
04/03/2014US20140091643 Electronic Circuit with an Electronic Switch and a Monitoring Circuit
04/03/2014US20140091642 Device and method for controlling the polarity of a microphone of a terminal device
04/02/2014CN203522537U Voltage stabilizing power supply circuit with light alarm function for rotary drum vacuum filter
04/02/2014CN203522173U Anti-interference device with fuse tube
04/02/2014CN203522167U Overload protective circuit of photodetector with avalanche photodiode and trans-impedance amplifier
04/02/2014CN203522162U Undervoltage protection and overcurrent protection circuit
04/02/2014CN203522149U Electric hand drill safety control apparatus capable of changing rotation direction automatically
04/02/2014CN203522138U USB current foldback circuit and USB power supply device
04/02/2014CN203522135U Communication type selective leakage protection device
04/02/2014CN203522134U Arc fault protection device
04/02/2014CN203522133U Zero-power-outage test residual current operated intelligent protector
04/02/2014CN203522132U Breaker electric leakage controller
04/02/2014CN203522131U Integrated protector of electric kettle
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