| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 03/13/2002 | EP1187288A2 Device and method for determining rare short circuit |
| 03/13/2002 | EP1186083A1 Method for operating an electronic overcurrent trip of a power circuit breaker |
| 03/12/2002 | US6356423 Soild state protection circuit for electrical apparatus |
| 03/12/2002 | US6356422 Circuit breaker communication and control system |
| 03/12/2002 | US6356421 System for power transformer differential protection |
| 03/07/2002 | WO2001071874A3 Cvt transient filter |
| 03/07/2002 | US20020027758 Overcurrent protection for the series fuse |
| 03/07/2002 | DE10042168A1 Verfahren zur Steuerung und Regelung einer motorisch angetriebenen Verstellvorrichtung Method for controlling and regulating a motor driven adjusting device |
| 03/05/2002 | US6351960 Apparatus and method for protecting motor of inverter refrigerator |
| 03/04/2002 | CA2356778A1 Device and method for determining rare short circuit |
| 02/28/2002 | WO2002017458A1 Ground fault interrupter |
| 02/28/2002 | WO2002017457A1 Overload circuit interrupter capable of electrical tripping and circuit breaker with the same |
| 02/28/2002 | US20020026287 Current detecting circuit |
| 02/28/2002 | US20020024782 Overload circuit interrupter capable of electrical tripping and circuit breaker with the same |
| 02/27/2002 | EP1182761A2 Current detecting circuit |
| 02/26/2002 | US6351073 Self-supplied DC/DC switching power supply |
| 02/21/2002 | WO2002015359A1 Method for controlling and adjusting a motor-driven adjusting device |
| 02/21/2002 | WO2002015355A2 Method and device for identifying and localising high-ohm, single-pole earth faults |
| 02/21/2002 | DE10031964C1 Electric power switch with integrated microprocessor control has wired interface coupled to field bus system and data input/output device coupled to current supply lines |
| 02/19/2002 | US6347482 Safety device for power windows |
| 02/14/2002 | WO2002013350A1 Power supply device for low-voltage electronic residual current circuit breakers |
| 02/14/2002 | WO2002013349A1 Protection for power grid having an infrared data transmission link using the wap protocol |
| 02/14/2002 | WO2001043253A3 System for power transformer differential protection |
| 02/12/2002 | US6347027 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 02/04/2002 | CA2354679A1 Temperature compensation circuit for an arc fault current interrupting circuit breaker |
| 01/31/2002 | WO2002009058A1 Sensing downed power lines |
| 01/31/2002 | US20020012216 Semiconductor switching device with function for vibrating current, thereby shutting down over-current |
| 01/30/2002 | EP1176685A1 Semiconductor switching device with a multi-source power FET having a sense current path allowing a predetermined number of reconnection attemps before shutdown |
| 01/30/2002 | EP1175718A1 Power converter with rotating/stationary communication/processing means |
| 01/30/2002 | CN1078756C Sequence based network protector relay with forward overcurrent protection and anti-pumping teature |
| 01/24/2002 | US20020008951 Device and method for determining rare short circuit |
| 01/24/2002 | US20020008950 Arc fault circuit interrupter and circuit breaker having the same |
| 01/23/2002 | EP1174974A2 Arc fault detection in ac electric power systems |
| 01/23/2002 | CN2473790Y Fall-down type lightning arrester |
| 01/21/2002 | CA2353153A1 Arc fault detection in ac electric power systems |
| 01/17/2002 | US20020006022 Circuit breaker with independent trip and reset lockout |
| 01/15/2002 | US6339525 Arc fault detector with circuit interrupter |
| 01/10/2002 | WO2002003686A1 Camera system including a safety circuit |
| 01/10/2002 | US20020003686 IDCI with reset lockout and independent trip |
| 01/08/2002 | CA2141420C Detecting faults in power lines |
| 01/03/2002 | WO2002001692A2 Protective relay with embedded web server |
| 01/03/2002 | WO2002001691A1 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults |
| 01/03/2002 | WO2002001324A2 Protection zone selection in an electric power system |
| 01/02/2002 | EP1166419A1 Power line protection devices and methods for providing overload protection to multiple outputs |
| 01/02/2002 | CN1077339C Coaxial surge arrestor/power extractor assembly |
| 12/27/2001 | WO2001099252A1 Method for controlling the displacement of a part, displaced by an electromotor, of a closure device in a motor vehicle |
| 12/20/2001 | WO2001097356A1 Electrical switchgear comprising a number of switches |
| 12/20/2001 | WO2001096889A1 Method for detecting resistive faults |
| 12/20/2001 | WO2001096827A2 Internal fault indicator for power electrical devices |
| 12/20/2001 | WO2001050569A3 Power supply device for an electronic protection unit |
| 12/20/2001 | US20010052776 Contactor and trip circuit therefor |
| 12/20/2001 | DE10028445A1 Door movement control method for vehicle involves stopping operation of electric motor after preset duration when jamming is detected, and then reversing electric motor |
| 12/13/2001 | WO2001095453A2 Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses |
| 12/13/2001 | WO2001095452A1 Arc-fault detecting circuit breaker system |
| 12/13/2001 | WO2001095451A2 Software-controlled evaluation of fault currents for protection and monitoring systems |
| 12/12/2001 | EP0928511B1 Circuit arrangement for detection of current in an electric conductor to control electronically controllable tripping devices |
| 12/11/2001 | CA2081442C Surge voltage arrester |
| 12/06/2001 | WO2001093405A1 System protection scheme |
| 12/06/2001 | WO2001093401A1 Power oscillation protection |
| 11/29/2001 | DE10120190A1 Stromerkennungsschalter und ein Gerät, das diesen umfaßt Current detection switch and a device comprising these |
| 11/28/2001 | EP0958642B1 Circuitry for operating an electronic tripping device in a circuit breaker |
| 11/22/2001 | WO2001089052A1 Circuit breaker remote service system |
| 11/21/2001 | CN1075234C Method for detecting an internal arc and a blocking arc |
| 11/20/2001 | US6320275 Power-feed control apparatus provided in a vehicle |
| 11/15/2001 | WO2001086683A1 Arc fault circuit interrupter and circuit breaker having the same |
| 11/15/2001 | US20010040459 Method of diagnosing partial discharge in gas-insulated apparatus and partial discharge diagnosing syatem for carrying out the same |
| 11/15/2001 | US20010040458 Arc fault circuit detector device detecting pulse width modulation of arc noise |
| 11/14/2001 | EP1153379A1 Modular power quality monitoring device |
| 11/07/2001 | EP1151517A1 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 11/07/2001 | CN1320991A Solid state protection circuit of electrical arrangement |
| 11/06/2001 | US6313642 Apparatus and method for testing an arcing fault detection system |
| 11/06/2001 | US6313641 Method and system for detecting arcing faults and testing such system |
| 11/01/2001 | US20010036049 Circuit interrupting device with reverse wiring protection |
| 11/01/2001 | US20010036048 Ground fault interrupter |
| 11/01/2001 | US20010036047 AFCI which detects and interrupts line side arcing |
| 10/31/2001 | EP1150410A2 Solid state protection circuit for electrical apparatus |
| 10/31/2001 | EP1149450A1 An electric device |
| 10/30/2001 | US6310753 Low impedance magnetic latch tripping scheme |
| 10/27/2001 | CA2307172A1 Arc fault circuit detector device detecting pulse width modulation of arc noise |
| 10/25/2001 | US20010033471 Current detection switch and apparatus therewith |
| 10/25/2001 | US20010033470 Electronic trip unit with user-adjustable sensitivity to current spikes |
| 10/25/2001 | US20010033469 Arc fault circuit interrupter recognizing arc noise burst patterns |
| 10/25/2001 | DE10021094A1 Power supply circuit for tripping device of low voltage power switch |
| 10/25/2001 | DE10019707A1 Sensor wire protective circuitry for high voltage cables, has sensor wire connected at cable periphery or cable end with short-circuit switch reacting in delay-free fashion to provide electronic protection |
| 10/24/2001 | CN1319269A Power supply Device for protective device for switchgear |
| 10/16/2001 | US6304005 Power supply apparatus and method, and fabrication apparatus |
| 10/11/2001 | US20010029433 Detection of arcing faults using bifurcated wiring system |
| 10/10/2001 | EP1143590A1 Power system protection and control system |
| 10/10/2001 | EP1142076A1 Impedance measurement system for power system transmission lines |
| 10/10/2001 | EP0818076B1 electric arc detection circuit and method |
| 10/10/2001 | CN1317166A Protection device for low voltage networks |
| 10/09/2001 | US6300768 Method of diagnosing partial discharge in gas-insulated apparatus and partial discharge diagnosing system for carrying out the same |
| 10/09/2001 | US6300766 Apparatus sensitive to arc amplitude for envelope detection of low current arcs |
| 10/09/2001 | CA2034754C Controllable recloser for power line |
| 10/04/2001 | WO2001073912A1 Apparatus for the detection and early warning of electrical arcing fault |
| 10/04/2001 | US20010026159 Apparatus for monitoring the status of devices in electrical protection and control systems |
| 10/04/2001 | DE10009775A1 Device for protecting on board electrical supply systems against overcorrects e.g. for vehicles, has current magnitude/direction sensor, and evaluation/triggering unit for opening circuit depending on evaluation |
| 10/04/2001 | CA2400745A1 Apparatus for the detection and early warning of electrical arcing fault |
| 10/03/2001 | CN1315769A Power system protecting controller |
| 10/02/2001 | US6297940 Protection system for devices in an electrical distribution network |