Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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08/17/2005 | CN1656359A Instantaneous overcurrent element for heavily saturated current in a power system |
08/11/2005 | US20050174718 Static eliminator |
08/11/2005 | US20050174715 Multi-stage blumlein |
08/11/2005 | DE102004004198A1 Verfahren zur Auswertung von Drehzahl- und Drehlageinformation eines DC-Motors A method for evaluating speed and rotational position information of a DC motor |
08/04/2005 | WO2005071812A1 Method for evaluating information on the rotational speed and rotational position of a dc-motor |
08/04/2005 | US20050171647 High impedance fault detection |
08/04/2005 | US20050168908 Electrostatic chuck |
08/04/2005 | US20050168906 Contact sensor package |
08/04/2005 | DE102004002582A1 Optisch gezündete Funkenstrecke Optical ignition spark gap |
08/04/2005 | DE102004002581A1 Funkenstrecke mit optisch gezündetem Leistungshalbleiterbauelement Spark gap with optically ignited power semiconductor component |
08/03/2005 | EP1560244A2 Protective switch with electronic trippinig means |
08/03/2005 | CN1649467A Static eliminator |
08/02/2005 | CA2320859C Electrical fault detection system |
07/28/2005 | WO2005069459A1 Spark gap comprising an optically triggered power semiconductor component |
07/28/2005 | WO2005069458A1 Optically ignited spark gap |
07/28/2005 | DE202005005007U1 Verbessertes Stromübertragungskabel Improved power transmission cable |
07/28/2005 | DE102004018918B3 Process for locating information errors in insulated ungrounded alternating voltage networks comprises determining the temporary progression of network disturbances for each network loss when the testing voltage generator is switched off |
07/28/2005 | DE10057166B4 Verfahren zum Ansteuern eines verstellbaren Dachelementes oder dergleichen von Fahrzeugen A method for driving an adjustable roof element or the like of vehicles |
07/27/2005 | EP1556936A1 Method and apparatus for control of an electric power system in response to circuit abnormalities |
07/27/2005 | CN1646927A Protective relay with synchronized phasor measurement capability for use in electric power systems |
07/27/2005 | CN1645701A Surge lightning protection device |
07/21/2005 | DE10297214T5 Überkreuzungsfehlerklassifikation für Netzleitungen mit Parallelschaltungen Crossover error classification for power cables in parallel circuits |
07/20/2005 | CN1643757A Analogue electronic trip device for an electrical power breaker responding to a short-circuit |
07/19/2005 | US6920028 Digital protective relay for power systems with operator-initiated record keeping capability |
07/14/2005 | WO2005062917A2 Arc fault detector |
07/14/2005 | WO2004064224A3 Energy calculation methods in power distribution systems |
07/14/2005 | US20050152078 System for eliminating arcing faults and power distribution system employing the same |
07/14/2005 | US20050151495 Back door opening and closing apparatus |
07/14/2005 | CA2550997A1 Arc fault detector |
07/13/2005 | EP1553422A1 Electric supply system including short-circuit and interrupt detection for vehicle power systems |
07/13/2005 | CN1639939A Circuit protection system |
07/13/2005 | CN1639938A Method and apparatus for ground fault protection |
07/13/2005 | CN1639819A Control system for electrical switchgear |
07/13/2005 | CN1639654A External clock to obtain multiple synchronized computers |
07/13/2005 | CN1639652A Integrated protection, monitoring and control system |
07/13/2005 | CN1639651A Data sample and transmission modules for power distribution systems |
07/13/2005 | CN1639650A Protection system for power distribution systems |
07/13/2005 | CN1639649A Method and system for conditionally triggered system data capture |
07/13/2005 | CN1637425A Apparatus and method employing an optical fiber for closed-loop feedback detection of arcing faults |
07/13/2005 | CA2492262A1 System for eliminating arcing faults and power distribution system employing the same |
07/12/2005 | US6917207 Double time-constant for electrostatic discharge clamping |
07/07/2005 | US20050146833 Methods and apparatus for a disposable grounding device |
07/07/2005 | US20050146818 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof |
07/07/2005 | DE202004020402U1 Vorrichtung zur Erkennung von Störlichtbögen A device for detection of arc faults |
06/30/2005 | WO2005060063A1 Method and device for detecting a broad-band noise source in a direct voltage distribution network |
06/30/2005 | WO2005060062A2 High level arc fault detector |
06/30/2005 | WO2005043712A3 Automated intelligent configuration tool for power system protection and control and monitoring devices |
06/30/2005 | US20050141163 Analogue electronic trip device for an electrical power breaker responding to a short-circuit |
06/30/2005 | US20050140352 Method for detecting saturation in a current transformer |
06/30/2005 | DE102004056976A1 Fehlerstrom-Schutzschalter Residual current circuit breaker |
06/29/2005 | EP1548921A1 Dc-to-dc converter for a car electrical system |
06/29/2005 | EP1547220A1 Method for identifying an overload current of an electric drive |
06/28/2005 | US6912110 Cable network and method for protecting the cable network against a serial arc |
06/28/2005 | US6911610 Medium voltage switching device |
06/28/2005 | CA2214471C Control of a device in an inaccessible location |
06/23/2005 | US20050138432 System and method for routing power management via XML firewall |
06/23/2005 | US20050135124 DC-to-DC converter for a car electrical system object of the invention |
06/23/2005 | US20050135025 Method of Detecting an Arc and Protecting the Load Against Said Arc |
06/23/2005 | US20050134295 Double time-constant for electrostatic discharge clamping |
06/23/2005 | US20050134285 Arc fault detector |
06/22/2005 | CN1630973A Power supply device |
06/21/2005 | US6909977 Method for diagnosing degradation in aircraft wiring |
06/21/2005 | US6909942 Method for power distribution system components identification, characterization and rating |
06/21/2005 | US6909867 Uniform charge device with reduced edge effects |
06/16/2005 | US20050128672 Closed loop backdrilling system |
06/16/2005 | US20050127922 High level arc fault detector |
06/15/2005 | EP1142076A4 Impedance measurement system for power system transmission lines |
06/15/2005 | EP1057232A4 Electrical fault detection system |
06/14/2005 | US6906903 Protection relay |
06/14/2005 | US6906482 Window glass obstruction detector |
06/09/2005 | WO2005052999A2 Decoupling circuit for co-packaged semiconductor devices |
06/09/2005 | US20050122643 Apparatus and method employing an optical fiber for closed-loop feedback detection of arcing faults |
06/09/2005 | US20050122066 Electric arc discharge protection device |
06/09/2005 | DE10359532B3 Wideband noise source detection method for DC distribution network e.g. for arcing detection in automobile onboard network, using frequency filtering and analysis of network signal |
06/09/2005 | DE10355086A1 Verfahren zum Bestimmen des ohmschen Isolationswiderstandes eines geerdeten Wechselstromnetzes A method for determining the ohmic insulation resistance of an earthed alternating current network |
06/09/2005 | DE102004035935A1 Arc discharge protection device - avoiding sparking or burning on peripheral components caused by the arc discharge effect |
06/08/2005 | EP1538722A2 Apparatus and method employing an optical fiber for closed-loop feedback detection of arcing faults |
06/08/2005 | EP1027757A4 Redundant communications in a protective relay |
06/08/2005 | CN1624892A Electrostatic sucker |
06/02/2005 | WO2005050229A1 Method for determining ohmic insulation resistance |
06/02/2005 | US20050116672 Power window driving apparatus |
06/02/2005 | DE102004050691A1 Antriebsvorrichtung für ein elektrisch betätigtes Fenster Drive device for an electrically operated window |
06/01/2005 | EP1535293A1 Shorting switch and system to eliminate arcing faults in low voltage power distribution equipment |
06/01/2005 | CN1623261A Protective relay apparatus comprising photoelectriccurrent sensor |
06/01/2005 | CN1622414A Residual current circuit breaker |
05/31/2005 | US6900971 Power supply device |
05/26/2005 | US20050114048 Method for detecting line-to-line fault location in power network |
05/26/2005 | US20050113980 Power supply unit having a mains suppression filter for an electrically operated domestic appliance |
05/26/2005 | US20050111161 Compact pinlifter assembly integrated in wafer chuck |
05/26/2005 | US20050111157 Decoupling circuit for co-packaged semiconductor devices |
05/25/2005 | EP1533880A1 Device and method for the differential protection and electrical apparatus including such a device |
05/25/2005 | EP1046206A4 Fault sensing wire and alarm apparatus |
05/25/2005 | DE102004052675A1 Gleichstromversorgungsschaltung und diese enthaltender Erdschluss-Schutzschalter DC power supply circuit and those containing GFCI |
05/25/2005 | CN1619908A Device and method for the differential protection and electrical apparatus including such a device |
05/24/2005 | CA2328464C Arc fault protected electrical receptacle |
05/24/2005 | CA2107319C Electrical switching apparatus with digital trip unit and automatic frequency selection |
05/19/2005 | US20050105243 Electrostatic chuck for supporting a substrate |
05/18/2005 | EP0953222A4 System for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients |
05/12/2005 | WO2005043712A2 Automated intelligent configuration tool for power system protection and control and monitoring devices |
05/12/2005 | US20050097821 Method for monitoring the reversing process of electrically actuatable units |