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)
12/2010
12/08/2010CN101911240A Residual current protection switch
12/08/2010CN101911239A Arc protection module
12/08/2010CN101908761A Fuse combined type remote integrated surge protective device
12/08/2010CN101908760A Fused combination type surge protector
12/08/2010CN101908753A Current differential protection method automatically adaptive to variable frequency motor
12/08/2010CN101908752A Overload protector
12/08/2010CN101908448A Current transformer with integrated actuator
12/08/2010CN101907897A Temperature control circuit and protection device thereof
12/08/2010CN101441242B Method for detecting failure current cutting-off time when electric power system out of order
12/08/2010CN101355248B Protective relay system
12/08/2010CN101247040B Permanent fault discrimination method for electric power line with shunt reactor
12/08/2010CN101171730B Method and apparatus for improving operational reliability during a loss of a phase voltage
12/08/2010CN101159941B Multimode terminal and method of eliminating return current influence of current
12/07/2010US7848099 Hard disk drive holder
12/07/2010US7848073 Power supply controller
12/07/2010US7848072 Fault detection for battery chargers
12/07/2010US7848071 Power supply controller
12/02/2010WO2010136876A1 Synchronous generator protection
12/02/2010WO2010135904A1 Power plug with leakage protection function
12/02/2010WO2010135903A1 Power plug with cable leakage protective function
12/02/2010US20100302697 Current differential relay
12/02/2010US20100302696 Relay failure detecting device
12/02/2010US20100302695 Method for setting free detection of out of step condition in electrical power system
12/01/2010EP2256891A1 Digital protection relay device and data transmission device for digital protection relay device
12/01/2010EP2255425A1 Electronic dc circuit breaker
12/01/2010EP2255424A1 A standalone self-supplied numeric controlled relay
12/01/2010CN201663558U Atomizer driving circuit
12/01/2010CN201663469U Electric vehicle safety charger with timing power-off function
12/01/2010CN201663431U Internal and external leakage protection device of electric water heater
12/01/2010CN201663429U Off-grid type sine-wave wind power generation controller
12/01/2010CN201663428U Automatic power-off type comprehensive protector
12/01/2010CN201663427U Low-voltage protection circuit of solar insect-killing lamp
12/01/2010CN201663426U Overvoltage leakage circuit breaker
12/01/2010CN201663401U Mobile electric box
12/01/2010CN1937344B Method of forming an integrated voltage protection device and structure
12/01/2010CN101904072A Control of operation of protection relay
12/01/2010CN101903782A Method and apparatus for detecting a fault in a neutral return line of an electrical network
12/01/2010CN101902126A Power supply device for sputter ion pumps
12/01/2010CN101902033A Intelligent protection device with zero pressure drop
12/01/2010CN101902030A Detecting and positioning device of arc fault of switch apparatus
12/01/2010CN101902029A Power protective device for redundant array of inexpensive disk
12/01/2010CN101902028A Overcurrent protection circuit
12/01/2010CN101902027A Arc striking type mixing current limiting fuse
12/01/2010CN101902026A Regulating method and regulating device of weakly mixed cranking motor brush
12/01/2010CN101902025A Method for protecting safety of circuit and device thereof
12/01/2010CN101898524A Electric traction chain for a rail vehicle
12/01/2010CN101551938B Voltage-current transformation method
12/01/2010CN101361243B Protective device having a circuit breaker, in particular a low-voltage circuit breaker
12/01/2010CN101162815B Creepage protecting socket
12/01/2010CN101043133B Method for obtaining fault signal of distribution circuit using equipment casing and its application
11/2010
11/30/2010US7843676 Uninterruptible power supply
11/30/2010US7843674 Motor drive circuit
11/30/2010US7843672 Input/Output regulating circuitry with self-electrostatic-discharge protection
11/30/2010US7843197 Protective device with end-of-life indication before power denial
11/25/2010WO2010134516A1 Power supply device and electronic device provided with same
11/25/2010WO2010133717A1 Method for activating the counter of a sectionalizer
11/25/2010US20100296216 Protective device and combination switching device
11/25/2010US20100296215 Circuit Testing Closer Apparatus and Method with Dynamic Test Thresholds
11/25/2010US20100296213 ESD Protection for FinFETs
11/25/2010US20100296206 Earth leakage detection method
11/25/2010US20100295693 Ground terminal block fault indicator
11/25/2010US20100295381 Controllable Change-Over Apparatus for a Solar Module
11/25/2010DE102006005232B4 Verfahren zur Steuerung einer Antiebsvorrichtung eines mehrphasigen Schaltgerätes und Vorrichtung zur Durchführung des Verfahrens Method for controlling a multi-phase switching device and Antiebsvorrichtung a device for carrying out the method
11/24/2010EP2254216A2 Abnormal current detecting circuit for circuit breaker
11/24/2010EP2254215A1 Circuit arrangement
11/24/2010EP2254214A2 Circuit breaker and method of controlling its operation
11/24/2010EP2253004A1 Fault current circuit breaker
11/24/2010CN201656890U Electric vehicle controller
11/24/2010CN201656571U Radioactive source monitoring system
11/24/2010CN201656558U High-voltage switch intelligent control system
11/24/2010CN201656554U Automatic feeding device for spare silicon chains of direct current system
11/24/2010CN201656453U Three-halves connection temporary protection testing apparatus
11/24/2010CN201656450U Short circuit detector for DC circuit of AC-DC-AC voltage type frequency converter
11/24/2010CN201656446U Protecting device for automatically and intelligently monitoring pressure of 3M7990 ball polishing machine in real time
11/24/2010CN201656435U Electric shock/electric leakage protector
11/24/2010CN201656434U Vehicular liquid-level alarm and protective device
11/24/2010CN201656430U Leakage detection protective module
11/24/2010CN201656429U Micro residual current protecting circuit breaker
11/24/2010CN201656428U Electricity leakage detection module and electricity leakage protection circuit breaker with the same
11/24/2010CN201656427U Circuit breaker for preventing lines from breaking
11/24/2010CN201656426U Over-voltage protection circuit for portable mobile television
11/24/2010CN201656425U Controlling device for inhibiting engineering mechanical surge voltage
11/24/2010CN201656424U Modified electric switch
11/24/2010CN201656423U Overvoltage protective device and electronic equipment therewith
11/24/2010CN201656422U Electrical safety protector disposed at electricity consumption end
11/24/2010CN201656421U Power load controller for single phase and low voltage
11/24/2010CN201656420U Three-phase auto reclosing electricity leakage protection switch
11/24/2010CN201656419U Power failure warning circuit of network terminal equipment
11/24/2010CN201656418U Protection circuit for switching off DC input power and device thereof
11/24/2010CN201656417U Microcomputer protection measuring and controlling device of permanent magnetic vacuum breaker
11/24/2010CN201656249U Shock-resistant electric wiring system
11/24/2010CN201655719U Over/under voltage protection circuit breaker
11/24/2010CN201655716U Built-in A type intelligent circuit breaker with automatic closing function
11/24/2010CN201655715U Built-in B-type intelligent breaker with automatic closing function
11/24/2010CN201655714U Electric operation mechanism for realizing automatic switching-on function of miniature circuit breaker
11/24/2010CN201655699U Built-in breaker with automatic switching in function
11/24/2010CN201655575U Damping delay power-off device for mine voltage-loss machinery
11/24/2010CN201648991U Highway crossing interceptor
11/24/2010CN201640648U Electric heating shoe
11/24/2010CN101897094A Fault direction determination
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