| 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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| 05/30/2002 | US20020063487 Electromagnetic device |
| 05/29/2002 | EP1023649B1 Method and circuit for monitoring the operating condition of electric motors |
| 05/29/2002 | DE10055880A1 Electronic trigger for circuit breaker has potentiometer set to remove value on isolating or removing trigger from breaker and set to normal state on connecting or inserting trigger |
| 05/29/2002 | CN1351774A Method for overcurrent protection in a superconducting cable |
| 05/29/2002 | CN1351773A Electrical machine winding ground-fault protection system |
| 05/29/2002 | CN1351772A Electrical machine winding ground-fault protection system |
| 05/29/2002 | CN1351399A Protecting switch for fire accident and electric destroy |
| 05/28/2002 | US6397351 Method and apparatus for rapid data restoration including on-demand output of sorted logged changes |
| 05/28/2002 | US6397345 Fault tolerant bus for clustered system |
| 05/28/2002 | US6397156 Impedance measurement system for power system transmission lines |
| 05/28/2002 | CA2363743A1 Fault interrupter using microcontroller for fault sensing and automatic self-testing |
| 05/23/2002 | WO2002001694A3 Electronic circuit for an energy supply device, especially for a charging device for batteries |
| 05/23/2002 | US20020060893 LCD backlight inverter |
| 05/23/2002 | US20020060891 Apparatus and method for protecting grounding electrode conductors from overcurrents |
| 05/23/2002 | US20020060562 Method of statistically balancing current transformer measurements for differential busbar protection |
| 05/23/2002 | DE10156416A1 Electronic controller for vehicles has diode between at least one electronic circuit and common earth line to limit reverse current that results in current flowing into electronic circuit(s) |
| 05/23/2002 | DE10056709A1 Energy-saving device for television receiver or electronic entertainment system provides complete disconnection upon detection of stand-by mode and re-connection upon detection of remote-control signal |
| 05/22/2002 | EP1207610A2 Fault type selection system for identifying faults in an electric power system |
| 05/22/2002 | EP1207609A1 Method for statistically equilibrating current transformer measurements for a differential protection of a busbar system |
| 05/22/2002 | EP1206828A2 Fault tolerant motor drive arrangement with independent phase connections and monitoring system |
| 05/22/2002 | EP1206824A1 Crowbar circuit verification testing system |
| 05/22/2002 | EP1206823A1 Protective device, in particular a fault current protective device |
| 05/22/2002 | EP1060553B1 Current-limiting arrangement with a superconductive transformer arrangement in an electric circuit |
| 05/22/2002 | CN2492966Y Three-phase phase failure protecting controller |
| 05/22/2002 | CN2492965Y Three-phase four-wire phase failure protecting phonetic alarm |
| 05/22/2002 | CN2492964Y Network-ground insulation monitor |
| 05/22/2002 | CN1350352A Leakage protection plug |
| 05/21/2002 | US6393583 Method of performing checkpoint/restart of a parallel program |
| 05/21/2002 | US6392858 Electronic trip device with phase reconstitution and a circuit breaker comprising such a trip device |
| 05/21/2002 | US6392857 Device and process for protecting a line of a network of electricity supply lines |
| 05/21/2002 | US6392528 Circuit protection devices |
| 05/21/2002 | US6392422 Monitoring insulation and fault current in an A/C current network to provide load shutoff whenever differential current exceeds a certain response value |
| 05/16/2002 | WO2002039642A2 Apparatus and method for detecting and calculating ground fault resistance |
| 05/16/2002 | WO2002039561A2 Detection of arcing in dc electrical systems |
| 05/16/2002 | US20020059540 Loosley coupled mass storage computer cluster |
| 05/16/2002 | US20020057544 Digital protective relay system |
| 05/16/2002 | US20020057078 Protective circuit for an electronic device |
| 05/16/2002 | DE10054496A1 Registering faulty measuring, caused by over-control in measuring amplifiers |
| 05/16/2002 | CA2436800A1 Apparatus and method for detecting and calculating ground fault resistance |
| 05/16/2002 | CA2426901A1 Detection of arcing in dc electrical systems |
| 05/15/2002 | EP1205015A2 Cvt transient filter |
| 05/15/2002 | EP1105897B1 Short-circuiting device |
| 05/15/2002 | EP0603374B1 Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit |
| 05/15/2002 | CN2491994Y Waterproof electricity leakage protector |
| 05/15/2002 | CN1349307A Semiconductor switch device having vibration current to cut off over-current |
| 05/15/2002 | CN1349165A Method of utilizing LED in keyboard to display fault cause of computer hardware |
| 05/15/2002 | CN1084944C Overcurrnet protection circuit |
| 05/14/2002 | US6389557 Freezing mechanism for debugging |
| 05/14/2002 | US6388854 Load balancing and distributing switch-on control for a circuit breaker, an appliance, a device, or an apparatus |
| 05/14/2002 | US6388852 Flicker protection circuit |
| 05/14/2002 | US6388849 ARC fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same |
| 05/10/2002 | WO2002037653A2 A method and apparatus for automatically detecting and managing an ac power fault |
| 05/10/2002 | WO2002037128A2 Verification system |
| 05/10/2002 | WO2001095451A3 Software-controlled evaluation of fault currents for protection and monitoring systems |
| 05/09/2002 | US20020056058 Storage system with online manual |
| 05/09/2002 | US20020054464 Ground fault circuit interrupter incorporating miswiring prevention circuitry |
| 05/08/2002 | EP1203433A1 Protective device against fault currents for protection against fire |
| 05/08/2002 | EP1203432A1 Arc-fault detecting circuit breaker system |
| 05/08/2002 | EP1203388A1 Timed tripping circuit for an electromechanical switching device |
| 05/08/2002 | EP1116251B1 Circuit breaker with a rated current plug connector |
| 05/08/2002 | DE10154354A1 Procedure for detection of short-circuit arcs and overcurrents on circuit with number of pole conductors has step for determination of currents of two pole conductors |
| 05/08/2002 | CN1348623A Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 05/08/2002 | CN1348243A Digital relay protector |
| 05/08/2002 | CN1084522C Current transformer in particular for a fault currrent tripping device sensitive to pulsating currents and tripping device equiped with the same transformer |
| 05/07/2002 | US6385740 Method to dynamically change microprocessor test software to reflect different silicon revision levels |
| 05/07/2002 | US6385665 System and method for managing faults in a data transmission system |
| 05/07/2002 | US6385022 Method and apparatus for deriving power system data from configurable source points |
| 05/02/2002 | WO2000079310A9 Transient monitoring system and method |
| 05/02/2002 | US20020050742 Power supply system for a motor vehicle having a low-voltage onboard power supply and having a higher-voltage onboard power supply |
| 05/02/2002 | EP1201015A1 Protective device against fault currents |
| 05/02/2002 | EP1200847A1 A method and system for detecting arcing faults and testing such system |
| 05/01/2002 | CN2489507Y Electric monitor for three-phase system |
| 05/01/2002 | CN2489506Y Electric monitor for single phase system |
| 05/01/2002 | CN2489460Y Single phase electricity safety switch controlled by zero and earth wire |
| 05/01/2002 | CN1347583A Active material low power electrical switching mechanism and drive circuit therefor |
| 05/01/2002 | CN1084071C Overcurrent protection circuit |
| 05/01/2002 | CN1084070C Controlling system, protection controlling system for power system and storage medium for storing program |
| 04/30/2002 | US6381710 Error logging method utilizing temporary defect list |
| 04/30/2002 | US6381113 Leakage current protection device adapted to a wide variety of domestic and international applications |
| 04/30/2002 | US6381112 Reset lockout for circuit interrupting device |
| 04/30/2002 | US6381111 Safety device for a number of electrical loads |
| 04/30/2002 | US6381110 Method and apparatus for detecting isolation faults in motor/inverter systems |
| 04/30/2002 | US6381109 Method of controlling safety tripping means in a high voltage generator, and high voltage generator using the method |
| 04/30/2002 | CA2264103C Modes/surgical functions |
| 04/25/2002 | WO2002033720A1 Circuit interrupting device |
| 04/25/2002 | WO2002033426A1 Line differential protection system for a power transmission line |
| 04/25/2002 | US20020048134 Protective device and communication device |
| 04/25/2002 | US20020047439 High voltage ac machine winding with grounded neutral circuit |
| 04/25/2002 | US20020047268 Rotating electrical machine plants |
| 04/25/2002 | US20020047006 Control system for bathers |
| 04/24/2002 | EP1199782A2 Separation of protection and automation functions in a protective relay for power systems |
| 04/24/2002 | EP1198871A1 Malfunction detection of a machine driven by an electric motor |
| 04/24/2002 | EP1012616B1 Method and configuration for testing digital protection devices |
| 04/24/2002 | CN2488211Y Digital voltage protector |
| 04/24/2002 | CN1346502A Circuit provided with protective function |
| 04/23/2002 | US6377874 Power distribution system including integrated power node control center |
| 04/23/2002 | US6377430 Combination current sensor and relay |
| 04/23/2002 | US6377428 Switching device having the capability of detecting an abnormality |
| 04/23/2002 | US6377427 Arc fault protected electrical receptacle |
| 04/20/2002 | CA2359456A1 Separation of protective and automation functions in a protective relay for power systems |