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) |
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08/08/2000 | US6101073 Ground fault protecting apparatus and method for solar power generation and solar power generation apparatus using the apparatus and method |
08/08/2000 | US6100607 Safety method and device for full-voltage power supply to a user apparatus only when required, and control assembly comprising such a safety device |
08/02/2000 | EP1023755A1 Protective device, especially for protection against lightning |
08/02/2000 | EP1023649A1 Method and circuit for monitoring the operating condition of electric motors |
08/02/2000 | CN1261733A Earthing protective method and device for low voltage distribution system |
08/02/2000 | CN1261672A Fault detection of electric line |
08/02/2000 | CN1261671A Fault locator using positive phase, sequence electricity quantity |
08/02/2000 | CN1261651A Protector for refrigerating compressor and protecting method for refrigerating compressor |
08/01/2000 | US6097580 GFCI ground fault current filtering |
08/01/2000 | US6097280 Fault locator that uses positive-phase-sequence electricity |
08/01/2000 | US6097246 Current limiting breaking device using electromagnetic repulsion coil |
08/01/2000 | US6097192 Method for initializing short time and groundfault protection heat index accumulators in a trip unit |
08/01/2000 | US6097166 Movable barrier having force and position learning capability |
08/01/2000 | US6097107 Short prevention control apparatus of air conditioner for electric vehicles |
07/27/2000 | WO2000044078A1 Circuit breaker |
07/27/2000 | WO2000043227A1 Method and device for operating an adjusting drive in a motor vehicle |
07/27/2000 | DE10002360A1 Error localizer for executing troubleshooting at parallel transmission line has error localizing unit that executes troubleshooting according to electrical data synchronous correction processing |
07/26/2000 | EP1022837A2 Surge protector |
07/26/2000 | EP1021816A1 Electronic switch for quick, automatic response to current overloads |
07/26/2000 | EP1021123A1 Dishwasher |
07/26/2000 | EP0980598A4 Electrical plug |
07/26/2000 | CN2389436Y External located protection type transformer |
07/26/2000 | CN2389435Y Multi-purpose apparatus with high function-price ratio |
07/26/2000 | CN1261218A Breaking device for instantaneous overload |
07/25/2000 | US6094365 Power supply device of switching mode with leakage current protection circuit |
07/25/2000 | US6094330 Circuit interrupter having improved current sensing apparatus |
07/25/2000 | US6094329 DI protective switching device |
07/25/2000 | US6094092 Overcurrent detection circuit |
07/25/2000 | US6092355 Control system |
07/20/2000 | DE19901855A1 Operating method for adjustment drive for motor vehicle involves comparing actuating force with limit force and reversing adjustment drive if limit is exceeded |
07/19/2000 | EP1020729A2 Fault detection for power lines |
07/19/2000 | EP1019997A1 Method for monitoring status parameters in a switching mechanism, and corresponding device |
07/19/2000 | CN2388756Y Digital phase and amplitude discriminating leakage protector |
07/19/2000 | CN2388755Y Digital phase and amplitude discriminating leakage protector |
07/19/2000 | CN2388754Y 智能漏电保护器 Intelligent leakage protection |
07/19/2000 | CN1260903A Circuit protection device |
07/18/2000 | US6092219 Method for use of bus parking states to communicate diagnostic information |
07/18/2000 | US6092218 System and method for self-referential accesses in a multiprocessor computer |
07/18/2000 | US6091591 Di protective switching device |
07/13/2000 | WO2000041286A1 Lightning protection systems |
07/13/2000 | DE19901789A1 Directional earth-fault determination method for power supply networks |
07/13/2000 | CA2358292A1 Lightning protection systems |
07/12/2000 | EP1018116A1 Method and apparatus of recording data in the optical recording medium |
07/12/2000 | EP1018027A1 Method for the location of a high-resistance earth fault in a power distribution system on the basis of current measurements |
07/12/2000 | EP0796433B1 Plant parameter detection by monitoring of power spectral densities |
07/12/2000 | CN2387649Y Automatic protective instrument for preventing fraudulent use of electricity |
07/12/2000 | CN2387648Y Phase loss protector for three-phase power source |
07/12/2000 | CN2387647Y Device for preventing fraudulent use of electricity |
07/12/2000 | CN1260081A Electrical plug |
07/11/2000 | US6088244 Switching power supply using a single isolating element to facilitate multiple functions |
07/11/2000 | US6088205 Arc fault detector with circuit interrupter |
07/11/2000 | US6086177 Process for controlling closing movement of closing mechanisms with immediate squeeze protection after activation of a mechanism |
07/06/2000 | WO2000039905A1 Intelligent power distribution network |
07/06/2000 | WO2000039904A1 Method for event analysis at an intelligent electronic device |
07/06/2000 | WO2000039822A1 Method of detecting manual trips in an intelligent electronic device |
07/06/2000 | WO2000039715A2 Method of statistical analysis in an intelligent electronic device |
07/06/2000 | WO2000014456A8 Control system for bathers |
07/05/2000 | EP1017173A2 Power supply control device and method of controlling the same |
07/05/2000 | EP1016101A1 Winding in transformer or inductor |
07/05/2000 | CN2386563Y Switch flashy flow overcurrent and short-circuit protector |
07/05/2000 | CN2386562Y Portable electronic device capable of testing battery cover state and taking protection measure |
07/05/2000 | CN2386553Y Electromagnetic short-circuit protecition switch socket |
07/05/2000 | CN2386552Y Power-supply socket with high sensitivity leakage and overvoltage protection |
07/04/2000 | US6084758 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines |
07/04/2000 | US6084756 Apparatus for testing protection of an electric power distribution circuit by an arc fault circuit breaker |
07/04/2000 | US6084755 Protective relay-based monitoring system of DC power within an electric power substation |
07/04/2000 | US6084207 Method and apparatus for using direct current to detect ground faults in a shielded heater wire |
06/29/2000 | WO2000038292A1 An electric device |
06/29/2000 | DE19860721A1 Operating method for three-point converter of electric rail vehicle drives |
06/28/2000 | EP1014643A2 Network interface unit |
06/28/2000 | EP1014530A2 Electrical power distribution installation for electrical power system |
06/28/2000 | EP1014527A2 Fault protection system for a respiratory conduit heater element |
06/28/2000 | EP1014526A2 Method in connection with protective relay and protective relay |
06/28/2000 | EP1014413A2 Electronic driving circuit for a bistable actuator |
06/28/2000 | EP1012940A1 Circuit protection arrangements |
06/28/2000 | EP1012616A1 Method and configuration for testing digital protection devices |
06/28/2000 | CN2385456Y Overvoltage lightning protector for domestic electrical equipment and power supply line |
06/28/2000 | CN2385455Y Simple earth leakage protector |
06/28/2000 | CN2385454Y Overload, short circuit, overvoltage, leakage protective switch |
06/28/2000 | CN1258123A Electric power system protection and control system and method, and storage medium for program module |
06/22/2000 | WO2000036624A1 Remote controllable circuit breakers with positive temperature coefficient resistivity (ptc) elements |
06/22/2000 | CA2320251A1 Remote controllable circuit breakers with positive temperature coefficient resistivity (ptc) elements |
06/21/2000 | EP1011186A2 Electric load management circuit |
06/21/2000 | EP1011185A2 Improved fault protection scheme |
06/21/2000 | EP1011183A2 Earth leakage protective circuit arrangement |
06/21/2000 | DE19944680A1 Vorrichtung zur Phasenfehler-Erkennung Apparatus for phase error detection |
06/21/2000 | DE19858929A1 Error signal generation for AC power transmission conductor short-circuit indication |
06/21/2000 | DE19858601A1 Earth leakage circuit breaker comprises current which can only be switched on by solenoid switch if mains voltage is applied and test circuit and current detector unit are supplied with sufficient current by voltage supply |
06/21/2000 | DE19857739A1 Fehlerstromschutzschaltungsanordnung Fault protection circuitry |
06/21/2000 | CN2384354Y Overvoltage and overcurrent protection circuit for connector circuit of subscribers line of telephone exchanger |
06/21/2000 | CN2384353Y Universal relay for line protection |
06/21/2000 | CN1257335A Fault protector |
06/21/2000 | CN1257334A Intelligent controller for communicable plastics casing circuit breaker |
06/20/2000 | US6078489 Method for performing instantaneous protection in a trip unit |
06/20/2000 | US6078488 Fault-tolerant analog output circuit |
06/20/2000 | US6078160 Bidirectional DC motor control circuit including overcurrent protection PTC device and relay |
06/20/2000 | US6078108 Apparatus for interrupting the flow of current in a cable |
06/20/2000 | CA2034238C Circuit breaker with rating plug having memory |
06/14/2000 | EP1009084A2 Electrical equipment having energy saving mode capable of shutting off of supplying of voltage to primary power supply supplying circuit under no use thereof |
06/14/2000 | EP1009006A1 Standard control device for an electromagnet for opening or closing a circuit breaker |