| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 05/18/2005 | CN2701142Y Correcting and open phase protection circuit for three-phase electric actuator |
| 05/18/2005 | CN2701141Y Protecting device for on-off coil of circuit breaker |
| 05/18/2005 | CN2701140Y Artificial ground shunt and self-recovery type arc extinguishing device |
| 05/18/2005 | CN2701139Y Load power signal integration sampler for mining motor |
| 05/18/2005 | CN2701138Y Load power balance monitoring and early warning equipment for fully-mechanized caving face conveyor |
| 05/18/2005 | CN1617414A Maximum changing carrent zero-sequence fault component braking method for preventing malfunction for transformer protection |
| 05/18/2005 | CN1617413A Interphase and zero-sequence fault component braking method for preventing malfunction for tranformer protection |
| 05/18/2005 | CN1617412A Split-phase zero-sequence fault component braking method for preventing malfunction for transformer protection |
| 05/18/2005 | CN1617411A Conversion split-phase zero-sequence braking method for preventing malfunction for transformer protection |
| 05/18/2005 | CN1617410A Maximum interphase and zero-sequence fault component braking method for preventing malfunction for transformer protection |
| 05/18/2005 | CN1617409A Maximum current zero-sequece fault component braking method for preventing malfunction for transformer protection |
| 05/18/2005 | CN1617408A Device for preventing secondary loop open circuit of mutual inductor |
| 05/18/2005 | CN1617406A Overvoltage protection circuit, and power source, power supply system and electronic apparatus |
| 05/17/2005 | US6894406 Superconducting switching element and method |
| 05/12/2005 | WO2005043743A2 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 05/12/2005 | WO2004073003A3 Switch sensing to prevent inadvertent motor startup |
| 05/12/2005 | US20050099746 Device and method for protection against overcurrents in an electrical energy distribution cabinet |
| 05/12/2005 | US20050099742 Semiconductor integrated circuit device |
| 05/12/2005 | US20050099253 Superconducting current limiting device with magnetic field assisted quenching |
| 05/12/2005 | US20050097821 Method for monitoring the reversing process of electrically actuatable units |
| 05/12/2005 | CA2761111A1 Electric utility storm outage management |
| 05/11/2005 | EP1530104A2 Control apparatus |
| 05/11/2005 | EP1529328A1 Electrical network for surface and submarine vessels for example naval ships and for offshore units |
| 05/11/2005 | EP1146191B1 Improvements to automobile anti-pinching systems |
| 05/11/2005 | EP1018127A4 Power distribution network incorporating a voltage support transformer and process of use |
| 05/11/2005 | CN2699556Y Phase-missing protecting equipment for three-phase motor |
| 05/11/2005 | CN1615404A Device and method for overload protection of compressor |
| 05/11/2005 | CN1614850A Positive and zero sequence fault component braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614849A Variable split-phase zero sequence fault component braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614848A Positive sequence and zero sequence braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614847A Maximum alternating and zero sequence braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614846A Maximum variable current zero sequence braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614845A Maximum current zero sequence braking method for preventing transformer protection malfunction |
| 05/11/2005 | CN1614844A Alternating and Zero Sequence braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614843A Split-phase zero sequence braking method for preventing transformer protection from malfunction |
| 05/11/2005 | CN1614842A Microcomputer protection for electric power system |
| 05/11/2005 | CN1201473C Thermal compensation controller system for starter of motor and thermal compensation method |
| 05/11/2005 | CN1201457C System and method for protecting electric motor and its control circuit, and electric motor |
| 05/11/2005 | CN1201455C Redundant communications in protective relay |
| 05/11/2005 | CN1201157C Device and method for detecting earthing failure in solar generating system |
| 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 |
| 05/10/2005 | US6891706 Protected exciter for an electrical power generator and associated methods |
| 05/06/2005 | WO2005041378A1 Window lift, control device for a window lift and method for controlling a window lift |
| 05/06/2005 | WO2005029667A9 Regulating the frequency of generated power using flywheel energy storage systems |
| 05/05/2005 | US20050094688 Apparatus for dissipating heat in electro-optical communications systems |
| 05/05/2005 | US20050094333 Method and apparatus for protection of batteries |
| 05/05/2005 | US20050094332 Protective circuit |
| 05/05/2005 | US20050094329 Method for verifying thermal and power compatibility of components in a computer system |
| 05/04/2005 | EP1527505A2 Electrical network protection system |
| 05/04/2005 | EP1410407B1 Surge voltage protector for use in power transmission networks |
| 05/04/2005 | CN2697926Y Main rectification short circuit protector for three-phase ad synchronus motor |
| 05/04/2005 | CN1612459A DC power supply circuit and leakage breaker using same |
| 05/03/2005 | US6888712 Combination current sensor and relay |
| 05/03/2005 | US6888336 Inverter for an electric machine |
| 05/03/2005 | US6888335 Method and system for controlling vehicle door position in response to detection of abnormal operation |
| 05/03/2005 | CA2284065C High power inverter pole employing series connected devices configured for reduced stray loop inductance |
| 04/28/2005 | WO2005006514A3 System and method for the powering and fault protection of remote telecommunications equipment |
| 04/28/2005 | US20050088130 Power window driving apparatus |
| 04/28/2005 | US20050088109 Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/28/2005 | US20050087991 Power control device for vehicle |
| 04/27/2005 | EP1526622A2 Electronic ballast with protection circuit for switching transitors of a converter |
| 04/27/2005 | EP1526621A1 Method for identifying intermittent ground faults |
| 04/27/2005 | EP1525658A1 Method for operating a wind power plant and method for operating it |
| 04/27/2005 | CN2696190Y Equalizing charging shunt circuit |
| 04/27/2005 | CN2696185Y Wind energy, solar charging control inverter |
| 04/27/2005 | CN1610999A High speed transfer system |
| 04/27/2005 | CN1610475A Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/27/2005 | CN1610232A Electric contravariant system main loop topological structure with short-circuit protection and constituting method thereof |
| 04/27/2005 | CN1610206A Method for detecting voltage zero cross near fault in travelling wave protection |
| 04/27/2005 | CN1610205A Electric apparatus, especially electric machine |
| 04/27/2005 | CN1609403A 电动窗户驱动装置 Power windows drive |
| 04/27/2005 | CN1199347C Method and apparatus for limiting and protecting software to coordinate volume of a turbine generator for revising a synchronous generator exitation device |
| 04/26/2005 | US6885173 Method and system for diagnosing an arm-shot of a bi-directional DC/DC converter |
| 04/26/2005 | US6885168 Battery unit having means for preventing over-discharge |
| 04/26/2005 | CA2165211C Circuit breaker remote closing operator |
| 04/22/2005 | CA2485384A1 Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/21/2005 | WO2005036709A1 Fault detector for two line power distribution system and protection apparatus incorporating the same |
| 04/21/2005 | US20050083630 Overload protective apparatus of a compressor and a method thereof |
| 04/21/2005 | US20050083625 Reverse circulation protection circuit |
| 04/21/2005 | US20050083614 Electronic circuit arrangement for switching an electrical load in a fail safe manner |
| 04/21/2005 | US20050083004 Power-window jamming preventing apparatus |
| 04/21/2005 | US20050083003 Power-window jamming preventing apparatus |
| 04/21/2005 | US20050082998 Movable barrier operator auto-force setting method and apparatus |
| 04/21/2005 | DE10253864B4 Verfahren und Anordnung zur Erdschlussüberwachung eines Stators in Sternschaltung Method and system for ground fault monitoring of a stator in star connection |
| 04/20/2005 | EP1524748A1 Superconducting current limiting device with magnetic field assisted quenching |
| 04/20/2005 | EP1524575A2 Output regulator |
| 04/20/2005 | EP1524574A2 Voltage slicer |
| 04/20/2005 | EP1524573A2 Adaptive multi-mode system |
| 04/20/2005 | EP1524572A2 Power array system and method |
| 04/20/2005 | EP1524571A2 Output regulator system |
| 04/20/2005 | EP1524570A2 Adaptive control loop |
| 04/20/2005 | EP1524569A2 Duty cycle estimator |
| 04/20/2005 | EP1524568A2 Adaptive duty cycle limiter |
| 04/20/2005 | EP1524567A2 Duty cycle estimator |
| 04/20/2005 | EP1523796A2 Intermediate circuit capacitor short-circuit monitoring |
| 04/20/2005 | CN2694587Y Battery control protection integrated circuit |
| 04/20/2005 | CN2694582Y Power distribution network automatic isolation fault switch controller |
| 04/20/2005 | CN2694581Y Safety device for lightning protection arrangement |
| 04/20/2005 | CN1198382C Control unit of motor for plastic injection machine |