| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 05/11/2005 | CN1201455C Redundant communications in protective relay |
| 05/10/2005 | US6892145 Method and system for conditionally triggered system data capture |
| 05/10/2005 | US6892115 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
| 05/06/2005 | WO2005041376A2 Single-sensor microcontroller-based approach for ground fault circuit interrupters |
| 05/05/2005 | US20050097373 Automated intelligent configuration tool for power system protection and control and monitoring devices |
| 05/05/2005 | US20050094344 Method of compensating for distorted secondary current of current transformer |
| 05/05/2005 | US20050094338 Recloser control apparatus compatible with various reclosers for protection of power systems |
| 05/04/2005 | EP1527505A2 Electrical network protection system |
| 05/04/2005 | EP1057233A4 Zone arc fault detection |
| 05/04/2005 | CN1612459A DC power supply circuit and leakage breaker using same |
| 05/03/2005 | US6888712 Combination current sensor and relay |
| 04/28/2005 | WO2005038474A1 Method and apparatus for identifying intermittent earth fault |
| 04/28/2005 | WO2005037913A2 Highly conductive macromolecular materials and improved methods for making same |
| 04/27/2005 | EP1526621A1 Method for identifying intermittent ground faults |
| 04/27/2005 | CN1610999A High speed transfer system |
| 04/27/2005 | CN1610998A A medium voltage integrated switchgear |
| 04/27/2005 | CN1609403A 电动窗户驱动装置 Power windows drive |
| 04/26/2005 | US6885310 Phase difference detection device and method for a position detector |
| 04/21/2005 | WO2005036709A1 Fault detector for two line power distribution system and protection apparatus incorporating the same |
| 04/21/2005 | WO2004062055A3 Digital protective relay for power systems with operator-initiated record keeping capability |
| 04/21/2005 | US20050083617 Ground and line fault interrupt controller/adapter |
| 04/21/2005 | US20050083616 Single-sensor microcontroller-based approach for ground fault circuit interrupters |
| 04/20/2005 | EP1523794A2 Power amplifiers |
| 04/19/2005 | US6882257 Earth Leakage Breaker |
| 04/12/2005 | US6879476 Electrostatic discharge circuit and method therefor |
| 04/12/2005 | CA2279441C Circuit interrupter with arcing fault protection and ptc (positive temperature coefficient resistivity) elements for short circuit and overload protection |
| 04/07/2005 | US20050073780 Fault detector for two line power distribution system and protection apparatus incorporating the same |
| 04/06/2005 | CN1603851A Running and loading detection method for converter |
| 04/05/2005 | US6876532 Circuit interrupter trip unit |
| 04/05/2005 | US6876528 Two winding resonating arc fault sensor which boosts arc fault signals while rejecting arc mimicking noise |
| 04/05/2005 | US6876104 High-speed switching circuit and automotive accessory controller using same |
| 03/31/2005 | WO2005029928A2 Closed loop backdrilling system |
| 03/31/2005 | WO2005029666A1 System and method for remotely detecting electric arc events in a power system |
| 03/30/2005 | EP1466340A4 Control system for electrical switchgear |
| 03/30/2005 | CN1602535A Method for predicting a future voltage and/or current curve |
| 03/29/2005 | US6873504 System and method for detecting loss of phase in a compressor system |
| 03/24/2005 | WO2005027296A1 Circuit arrangement for rapidly switching off low-voltage circuit breakers |
| 03/24/2005 | WO2005027292A1 Method for controlling an electronic overcurrent trip for low-voltage circuit breakers |
| 03/24/2005 | US20050063110 Circuit interrupting device with reverse wiring protection |
| 03/22/2005 | US6870720 Device and method for determining intermittent short circuit |
| 03/22/2005 | CA2148611C Expert system for detecting high impedance faults |
| 03/17/2005 | US20050057870 Configuration unit and methods for configuring centrally controlled power distribution systems |
| 03/17/2005 | US20050057869 System and method for remotely detecting and locating faults in a power system |
| 03/17/2005 | US20050057261 System and method for remotely detecting electric arc events in a power system |
| 03/16/2005 | EP1514287A1 Shorting switch and system to eliminate arcing faults in power distribution equipment |
| 03/16/2005 | CN1595749A Three electrode gap protective device for overvoltage protection system |
| 03/15/2005 | US6868310 Predictive failure scheme for industrial thin films processing power delivery system |
| 03/09/2005 | EP1512207A1 Residual current circuit breaker |
| 03/09/2005 | EP1105956A4 Arcing fault detection system |
| 03/09/2005 | EP1103057A4 Arc fault detection system |
| 03/09/2005 | CN2684432Y Electric power protection and automatic apparatus plug-in unit operating mechanism |
| 03/09/2005 | CN2684431Y Electric power protection and automatic apparatus crib |
| 03/08/2005 | US6864766 Circuit interrupting device with reverse wiring protection |
| 03/02/2005 | EP1509750A1 Instantaneous overcurrent element for heavily saturated current in a power system |
| 02/24/2005 | WO2004064218A3 Circuit protection system |
| 02/23/2005 | EP1508192A1 Supply connection unit comprising an interference suppression filter for an electric domestic appliance |
| 02/23/2005 | CN1586028A Current fault detector and circuit interrupter and packaging thereof |
| 02/22/2005 | US6859042 Arc detection by non-causal signal correlation |
| 02/17/2005 | US20050035751 Method for compensating secondary current of current transformers |
| 02/17/2005 | US20050035669 Sensor and interlock on an industrial vehicle |
| 02/17/2005 | DE10333674A1 Light arc monitoring system in car board network etc., with recognition and interruption elements on coupling lines and connecting elements of serial light arks in voltage circuits |
| 02/16/2005 | CN1580984A System linkage apparatus, setting apparatus for system linkage apparatus and method of setting set values of system linkage apparatus |
| 02/15/2005 | US6856112 Power window driving device |
| 02/15/2005 | CA2093061C Leakage current protection device adapted to a wide variety of domestic and international applications |
| 02/10/2005 | US20050030684 Low-voltage electronic residual current circuit breaker |
| 02/10/2005 | US20050030677 Fireguard circuit |
| 02/09/2005 | EP1505707A2 System linkage apparatus, setting apparatus for system linkage apparatus and method of setting set values of system linkage apparatus |
| 02/09/2005 | EP1505706A2 Apparatus and method for real time determination of arc fault energy, location and type |
| 02/09/2005 | EP1504315A2 Electric load management center |
| 02/08/2005 | CA2310619C Arcing fault protection system for a switchgear enclosure |
| 02/03/2005 | US20050024807 Electric discharge weapon system |
| 02/02/2005 | EP1200847A4 A method and system for detecting arcing faults and testing such system |
| 01/27/2005 | WO2004092752A3 Method for detecting fault arcs and arc monitoring device therefor |
| 01/27/2005 | US20050018372 Control system for a power supply protector controllable through an IP address |
| 01/27/2005 | US20050018369 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 01/27/2005 | US20050017732 Apparatus for detecting arc fault |
| 01/27/2005 | US20050017731 Apparatus and method for real time determination of arc fault energy, location and type |
| 01/26/2005 | EP1501166A1 Circuit arrangment for checking the supply of an electrical load, and method therefor |
| 01/26/2005 | CN1572051A 限压器 Voltage limiter |
| 01/25/2005 | US6847297 Locator devices and methods for centrally controlled power distribution systems |
| 01/20/2005 | US20050013080 Method for predicting a future voltage and/or current curve |
| 01/20/2005 | US20050013069 Fireguard circuit |
| 01/20/2005 | US20050012575 Receptacle device having protection against arc faults and leakage currents |
| 01/19/2005 | CN1567665A Method of diagnosing partial discharge in gas-insulated apparatus and partial discharge diagnosing syatem for carrying out the same |
| 01/18/2005 | US6845333 Protective relay with synchronized phasor measurement capability for use in electric power systems |
| 01/13/2005 | US20050007714 High speed transfer system |
| 01/13/2005 | US20050007713 Control circuit of voltage sag immunity |
| 01/12/2005 | EP1495337A2 Protective relay with synchronized phasor measurement capability for use in electric power systems |
| 01/11/2005 | US6842322 Electronic trip device comprising a capacitor for supply of a trip coil |
| 01/06/2005 | US20050002138 Ground fault circuit interrupter with locking reset button |
| 01/06/2005 | US20050002136 Combination current sensor and relay |
| 01/06/2005 | US20050001489 Medium voltage integrated switchgear |
| 01/04/2005 | US6839208 Arc fault circuit interrupter recognizing arc noise burst patterns |
| 01/04/2005 | CA2278708C Arcing fault detection system |
| 12/30/2004 | US20040264094 Protective control method and apparatus for power devices |
| 12/30/2004 | US20040263183 Arc fault detector and method |
| 12/30/2004 | US20040263182 Arc detection apparatus utilizing a dynamic processing module |
| 12/30/2004 | US20040263179 On-line detection of partial discharge in electrical power systems |
| 12/29/2004 | WO2004068543A3 Electrostatic discharge circuit and method therefor |
| 12/29/2004 | EP0838687B1 Abnormality detection apparatus and abnormality detection method |