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)
09/2012
09/12/2012EP2498360A1 DC electrical power system
09/12/2012EP2498359A1 Circuit breaker trip unit
09/12/2012EP2497175A1 Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices
09/12/2012CN202435689U Power protection circuit for light emitting diode (LED) energy-saving lamp
09/12/2012CN202435644U Electronic transformer of LED (Light Emitting Diode) lamp
09/12/2012CN202435378U Bus interface output stage driver circuit with over-voltage, under-voltage and over-current protection functions
09/12/2012CN202435314U MPPT (maximum-power-tracking)-type solar air-conditioning system
09/12/2012CN202435281U Automatic voltage converting system based on singlechip
09/12/2012CN202435264U Power supplying power supply device of liquid crystal module (LCM) test system
09/12/2012CN202435130U Power supply of invading wave recording device of transformer substation
09/12/2012CN202435107U Charger
09/12/2012CN202435019U Switch closing coil protection device
09/12/2012CN202435018U Preheating relay for preventing short circuit failure
09/12/2012CN202435015U Power supply system
09/12/2012CN202435014U Short-circuit power-off protection circuit of intrinsically safe power supply for mine
09/12/2012CN202435013U Short-circuit protection circuit for mining intrinsically safe power supply
09/12/2012CN202435006U Novel stator insulating device
09/12/2012CN202435005U Power protection circuit and television
09/12/2012CN202435004U Dual-purpose over-voltage and over-current protection circuit
09/12/2012CN202435003U Over-voltage protection circuit for mine intrinsic safety power supply
09/12/2012CN202435002U Short-circuit protection circuit for set top box
09/12/2012CN202435001U Distributed short-circuit protection circuit for micro electric vehicle
09/12/2012CN202435000U Protection circuit for load over-current detection
09/12/2012CN202434999U Alarm device of AC power source distribution unit used for communication
09/12/2012CN202434998U Intelligent switch
09/12/2012CN202434623U Battery protection element
09/12/2012CN202433733U Rapid interface control module
09/12/2012CN202425347U Gardening tool driving system
09/12/2012CN102668290A Method of high impedance groundfault detection for differential protection of overhead transmission lines
09/12/2012CN102664455A Remote control method for remotely-controlled reclosing switching
09/12/2012CN102664389A Stabilizing rectifier with fault indicator
09/12/2012CN102664385A Electricity limiting circuit with lightning protection function
09/12/2012CN102664384A Intelligent tripping method for power supply lightning arrester
09/12/2012CN102664383A Single-user power field intelligent management device
09/12/2012CN101872959B Absence-of-ground leakage protector of electronic health-care massage foot basin
09/12/2012CN101860002B Computing method of preventive control measure for short-circuit current in electric power system
09/12/2012CN101795202B Router device
09/12/2012CN101764389B Anti-overvoltage measurement and control system and method
09/12/2012CN101202505B Control circuit for switching regulator,method, electric source and electrical device
09/12/2012CN101095270B A method and a device for controlled reclosing of a circuit breaker
09/11/2012US8264811 Apparatus for the dispersal and discharge of static electricity
09/11/2012US8264807 Start-up in-rush current protection circuit for DCDC converter
09/11/2012US8264806 Electronic device including a protection circuit for a light-emitting device
09/11/2012US8264805 Dual voltage hot swap module power control
09/11/2012US8264206 Battery and method of power conservation for the same
09/07/2012WO2012119082A1 Gas density monitoring system
09/07/2012WO2012116748A1 A control device for controlling a circuit breaker, and methods
09/06/2012US20120224291 Electrical circuit with surge protection monitoring
09/06/2012US20120224290 Overvoltage protection device and its fabrication
09/06/2012US20120224289 Voltage activated 2nd level safety circuit for permanent isolation
09/06/2012US20120224288 Power module
09/06/2012US20120224287 Fuzzy interference relay and method for current differential protection of a transmission line
09/06/2012US20120223644 Led driving circuit and short-circuit protection circuit
09/06/2012DE202011109999U1 Kurzschlussschutzschaltung für ein konzentriertes Objekt Short-circuit protection circuit for a concentrated object
09/05/2012EP2495836A1 Earthing assembly protection in transformer stations
09/05/2012EP2495745A1 Current-rise limitation in high-voltage DC systems
09/05/2012EP2494571A1 An hvdc breaker and control apparatus for controlling an hvdc breaker
09/05/2012CN202424555U Power supply based on three-winding transformer
09/05/2012CN202424542U Power supply circuit of variable-frequency microwave oven
09/05/2012CN202424257U Battery charging circuit
09/05/2012CN202424127U Overheating open-phase protective device for textile motor
09/05/2012CN202424125U Phase sequence regulator for three-phase power supply
09/05/2012CN202424124U Solid-state power source phase sequence protector
09/05/2012CN202424123U Electric leakage protector with high-sensitivity ground wire electrification protection function
09/05/2012CN202424122U Intelligent control type protector
09/05/2012CN202424121U Leakage identifying and protecting device based on detection to neutral wire and ground wire
09/05/2012CN202424120U Pulse DC current leakage and over-voltage protection apparatus
09/05/2012CN202424119U Leakage lockout protecting circuit
09/05/2012CN202424118U Three-phase power supply open-phase protector
09/05/2012CN202424117U Three-phase default phase detection and automatic protection circuit
09/05/2012CN202424116U Power-losing protection device for warp-rebeaming machines
09/05/2012CN202424115U Remote signal teletransmission surge protective device
09/05/2012CN202424114U Novel overvoltage protecting device
09/05/2012CN202424113U Over-voltage leakage protection device
09/05/2012CN202424112U Voltage protection device of electronic controller
09/05/2012CN202424111U Shell hitting protection device for autotransformer
09/05/2012CN202424110U High-capacity fast switching device
09/05/2012CN202424109U Electric protection module
09/05/2012CN202424108U Power supply detection and control circuit
09/05/2012CN202424107U 过流保护电路及播放器 Over-current protection circuit and players
09/05/2012CN202424106U Low-voltage protector
09/05/2012CN202424105U Short-circuit protection circuit
09/05/2012CN202424104U Protection module for dual-power switching controller
09/05/2012CN202424103U Short-circuit protection circuit of single-stage PFC (positive feedback circuit)
09/05/2012CN202424102U Short-circuit protecting circuit
09/05/2012CN202424101U Device for preventing generating power supply of user from directly entering municipal power network
09/05/2012CN202424100U Electric leakage monitor
09/05/2012CN202421823U Automatic control system of intelligent household power supply
09/05/2012CN202413451U Wakeup type electric shock protection device for electrical vehicles
09/05/2012CN102656766A Automobile charging apparatus
09/05/2012CN102656656A An HVDC breaker and control apparatus for controlling an HVDC breaker
09/05/2012CN102655322A Full module-protected surge protector
09/05/2012CN102655320A Voltage control protection circuit
09/05/2012CN102655319A Direct-current circuit breaker capable of reducing forward superimposed current
09/05/2012CN102655318A Overcurrent protection device of integrated pulse generator control type ozone production system
09/05/2012CN102655317A Intelligent management device with meter reading function for single-user field power utilization
09/05/2012CN102222881B Leakage current monitoring method for solar photovoltaic inverter
09/05/2012CN101902030B Detecting and positioning device of arc fault of switch apparatus
09/05/2012CN101894053B Nonvolatile memory system
09/05/2012CN101860005B Uninterrupted power test residual current protective device
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