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)
01/1996
01/03/1996CN2216718Y 智能脱扣器 Intelligent Release
01/03/1996CN1114458A Terminal and a method of forming the same
12/1995
12/27/1995EP0689271A1 An earth leakage unit
12/27/1995CN2216301Y Undervoltage and leakage protector
12/27/1995CN2216298Y Outlet (plug)
12/26/1995US5479326 Ceiling system with readily movable lighting panels
12/26/1995CA2039713C Processor controlled circuit breaker trip system having reliable status display
12/20/1995CN2215777Y Safety device for domestic electric appliances
12/20/1995CN2215725Y Electric meter capable of preventing fraudulent use of electricity
12/20/1995CN1113615A Power supplying circuit
12/19/1995US5477412 Ground fault circuit interrupter incorporating miswiring prevention circuitry
12/14/1995DE4419813A1 Vorrichtung zum Betreiben eines Elektromotors An apparatus for operating an electric motor
12/13/1995EP0687066A1 Overvoltage protection device for an integrated circuit and corresponding method
12/13/1995EP0687051A1 Telephone line interface protection
12/13/1995EP0687050A2 An overcurrent protection apparatus
12/13/1995EP0686851A1 Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems
12/13/1995EP0623251B1 Device for providing electric power from a signal transmitter
12/12/1995US5475609 Load interrupter system
12/12/1995US5475559 Negative-sequence time-overcurrent relay
12/12/1995US5475557 Method and apparatus for protecting electrical systems
12/12/1995US5475371 For detecting the presence of faults on an electrical conductor
12/12/1995US5475334 Output driver circuit with free-switchable output
12/12/1995US5475314 Method for estimating natural frequency of distribution system
12/07/1995WO1995033295A1 Circuit for limiting current
12/06/1995EP0685918A1 Power supply security device
12/06/1995EP0685917A1 Secure power supply
12/06/1995CN1030478C Low impedance, high voltage protection circuit
12/05/1995US5473497 Electronic motor load sensing device
12/05/1995US5473496 Device for the protection of an integrated circuit against power supply cuts
12/05/1995US5473495 Combination load controller
12/05/1995US5473255 Apparatus for estimating natural frequency of distribution system
12/05/1995CA2039716C Processor controlled circuit breaker trip system having an intelligent rating plug
12/01/1995CA2150509A1 Synchronization device for a secured supply system
11/1995
11/30/1995WO1995032536A1 Digital circuit interrupter undervoltage release accessory
11/29/1995EP0684679A1 Method for reducing waveform distortion in an electrical utility system and circuit for an electrical utility system
11/29/1995EP0684677A1 Overcurrent protective circuit and semiconductor device
11/29/1995EP0683927A1 Electrical supply safety socket
11/29/1995CN2214045Y Multifunction automatic power supply protector
11/29/1995CN1112742A Intelligent quantitative controller for demand of electricity
11/29/1995CN1112682A Exciting ground detector and ground relay in which grounding is detected by DC
11/28/1995US5471377 Process for controlling a power supply which supplies power to an electrostatic filter in which secondary circuit states are determined based on measured primary circuit values and in which short circuits are detected
11/28/1995US5471359 Polyphase current monitor and control system
11/28/1995US5471035 Sandwich construction for current limiting positive temperature coefficient protective device
11/23/1995DE19517714A1 Electronic trip-release unit
11/22/1995EP0299060B1 High impedance fault analyzer in electric power distribution
11/22/1995CN2213394Y Back-up protecting device for ac control power supply vanishing of electric power equipment
11/22/1995CN2213344Y Electrical equipment line fault alarm controller for car
11/21/1995US5467921 Thermostat having short circuit protection
11/16/1995WO1995031028A1 Detector for monitoring the integrity of a ground connection to an electrical appliance
11/15/1995CN2212848Y Electromagnetic-type electric machine protector
11/14/1995US5467241 Power receiving system
11/09/1995WO1995030265A1 Process for regulating an automatic door operated by a drive motor
11/09/1995DE19504032A1 Motor-driven automatic door control method
11/08/1995EP0653073A4 Electric arc detector.
11/08/1995CN2212276Y Multifunction circuit detecting protector
11/07/1995US5465202 Inverter apparatus provided with electric discharge control circuit of dc smoothing capacitor and method of controlling the same
11/07/1995US5465190 Circuit and method for protecting power components against forward overvoltages
11/07/1995US5465188 Circuit protection device
11/02/1995WO1995029527A1 Electronic circuit breaker
11/02/1995WO1995029526A1 Inter-device communication system for electrical power connections
11/02/1995WO1995029525A1 A window discriminator controlled current breaker
11/02/1995EP0680146A2 Power element driving circuit
11/02/1995EP0679898A2 Insulation state measurement method for decentralized power generating system
11/01/1995CN2211664Y Hand controller for three phase electric appliances
10/1995
10/31/1995US5463252 Solid state circuit breaker
10/26/1995DE4414289A1 Limiting overloads in electrical mains networks
10/25/1995EP0678961A1 Conductor interruption identifying and indicating circuit
10/25/1995EP0678960A1 Method and apparatus for correcting a current signal
10/25/1995CN2211132Y Thunder-proof protective switch-box
10/25/1995CN2211130Y Controller for preventing from fraudulent use of electricity
10/25/1995CN1110837A 220V/380V universal electric-saving phase-lose protection a.c. contactor with long service life
10/25/1995CN1110836A Electronic fuse
10/25/1995CN1110797A Intelligence monitor unit for electric consumption
10/19/1995WO1995028024A1 A device for indicating a destroyed arrester
10/19/1995WO1995024014A3 One-terminal data fault location system
10/18/1995EP0677909A2 Method and electronic protective device for electrical equipment, in particular for hydromassage baths, saunas, showers and mini-pools
10/18/1995EP0677908A2 Apparatus for automatically coupling an internal ground to an external ground
10/18/1995EP0677907A1 Overcurrent protection device
10/17/1995US5459631 Electronic charging motor controller
10/17/1995US5459630 Self testing circuit breaker ground fault and sputtering arc trip unit
10/11/1995EP0676845A1 Overvoltage protection system
10/11/1995EP0676844A1 Self-monitoring ground fault circuit interrupter
10/11/1995EP0627133B1 Fault-current protective switch
10/11/1995EP0603374A4 Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit.
10/10/1995US5457591 Current overload protection circuit
10/10/1995US5457444 Switching mechanism
10/10/1995CA2050223C Overload current protection apparatus
10/05/1995WO1996026568A1 Power supply over-voltage protection
10/05/1995WO1995026586A1 Thermal overload protection for switches
10/04/1995CN2209399Y Power supply full-turn-off device for remote-controlled color TV
10/04/1995CN2209394Y Automatic leak protection terminal
10/04/1995CN2209392Y Overcurrent protection socket
10/03/1995US5455760 Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit
10/03/1995US5455549 Multi-function button for electronic overload relay
10/03/1995US5455502 High speed, large-current power control circuit
10/03/1995US5455469 Comparator controlled delay-on-break devices
09/1995
09/27/1995EP0674376A2 Overcurrent trip unit with separately adjustable neutral protection
09/27/1995CN2208757Y Current compensation and safety device for air conditioner
09/27/1995CN2208751Y 电子式自动开关 Electronic automatic switch
09/26/1995US5453904 Power control unit protection apparatus
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