Patents
Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580)
10/2000
10/18/2000CN1057644C Delayed-action fault current of differential current circuit-breaker
10/16/2000CA2305910A1 Combo afci/gfci with single test button
10/12/2000DE19915849A1 Fault-current (FI-) circuit breaker device e.g. for frequency converters
10/05/2000WO2000059090A1 Power line protection devices and methods for providing overload protection to multiple outputs
10/05/2000WO2000059088A1 Power line protection devices and methods capable of preventing false fault reporting
10/03/2000US6128170 Analog based first and fast second pulse removal system
10/03/2000US6128169 Arc fault detector with circuit interrupter and early arc fault detection
09/2000
09/28/2000WO2000057527A1 Fault data synchronization via peer-to-peer communications network
09/26/2000CA2079468C Arcing fault detector
09/21/2000WO2000055952A1 Mimic high pass filter in a protective relay
09/20/2000EP0824776B1 Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise
09/20/2000CN2397655Y Resilience-preventing mechanism for breaker
09/20/2000CN1267401A Method and device for monitoring insulation and fault current in electric AC network
09/19/2000CA2010951C Ligthning protection device for electrical lines
09/13/2000EP1034591A1 Arcing fault protection system for a switchgear enclosure
09/08/2000WO2000052803A1 Closing device with a safety function
09/05/2000US6115230 Method and apparatus for detecting arcs and controlling supply of electrical power
08/2000
08/31/2000DE19908658A1 Schließvorrichtung mit Sicherheitsfunktion Closing device with safety function
08/29/2000US6111735 Method for automated reconfiguration of a distribution system using distributed control logic and communications
08/29/2000US6111733 Intelligent ground fault circuit interrupter
08/22/2000US6108185 Circuit breaker having hall effect sensors
08/17/2000WO2000048283A1 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection
08/17/2000WO2000048282A1 Multiple communications protocols in a protective relay
08/17/2000WO2000048281A2 Distributed logic in multiple protective relays
08/17/2000WO2000048149A1 Modular power quality monitoring device
08/17/2000CA2326396A1 Multiple communications protocols in a protective relay
08/16/2000EP1028510A2 Detection of sub-cycle, Self-clearing faults
08/16/2000EP1027757A1 Redundant communications in a protective relay
08/15/2000US6104297 Corona discharge detection system
08/15/2000US6104156 Device for controlling the stopping of a motorized shrouding product
08/09/2000EP1012611A4 Arcing fault detection system
08/09/2000CN1262540A Method and system for diagnosing partial discharging in gas insulator
08/09/2000CN1262444A Improved circuit monitoring equipment
08/08/2000US6100658 Window opening and closing apparatus
08/02/2000EP1024573A2 Method and system for diagnosing partial discharge in gas-insulated apparatus
08/01/2000US6097580 GFCI ground fault current filtering
07/2000
07/27/2000WO2000043227A1 Method and device for operating an adjusting drive in a motor vehicle
07/25/2000US6094330 Circuit interrupter having improved current sensing apparatus
07/25/2000US6094092 Overcurrent detection circuit
07/20/2000DE19901855A1 Operating method for adjustment drive for motor vehicle involves comparing actuating force with limit force and reversing adjustment drive if limit is exceeded
07/12/2000EP1018027A1 Method for the location of a high-resistance earth fault in a power distribution system on the basis of current measurements
07/12/2000EP0818074B1 Electric arc detector sensor circuit
07/11/2000US6088205 Arc fault detector with circuit interrupter
07/06/2000WO2000039904A1 Method for event analysis at an intelligent electronic device
07/04/2000US6084787 Device for supervising in a high voltage converter station
07/04/2000US6084758 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines
07/04/2000US6084756 Apparatus for testing protection of an electric power distribution circuit by an arc fault circuit breaker
07/04/2000US6084755 Protective relay-based monitoring system of DC power within an electric power substation
06/2000
06/29/2000WO2000038292A1 An electric device
06/28/2000EP1014527A2 Fault protection system for a respiratory conduit heater element
06/28/2000EP1012611A2 Arcing fault detection system
06/27/2000CA2080366C Surge suppression and fault containment circuit and packaging therefor
06/22/2000WO2000036623A1 Circuit breaker with multiple test switch assembly
06/22/2000CA2320057A1 Circuit breaker with multiple test switch assembly
06/21/2000EP1011186A2 Electric load management circuit
06/21/2000DE19858601A1 Earth leakage circuit breaker comprises current which can only be switched on by solenoid switch if mains voltage is applied and test circuit and current detector unit are supplied with sufficient current by voltage supply
06/21/2000CN1257291A Electromagnetic control equipment for power supply circuit with current supply kept by electromagnet
06/15/2000DE19959397A1 Residential load station with flashover fault protection has main flashover device for interrupting current through main breaker when flashover fault condition arises in protected circuit
06/14/2000EP1009003A1 Control device for an electromagnet, with a power supply powered by the holding current of the electromagnet
06/14/2000EP1007986A1 Fault detection apparatus and method of detecting faults in an electrical distribution network
06/14/2000EP0681310B1 Load driving circuit
06/13/2000US6075688 Motor operator with ac power circuit continuity sensor
06/13/2000US6075368 Method of improving fault current measurement accuracy on electronic reclosure control
06/09/2000CA2281452A1 Arc fault circuit interrupter
06/07/2000EP1005709A1 Fault-current protective switchgear
06/06/2000US6072317 Plug-in multifunction tester for AC electrical distribution system
06/06/2000US6072310 Method and device for detecting and correcting a saturated current profile of a current transformer
05/2000
05/31/2000EP1005133A2 Power distribution system with circuit breakers remotely resetable by signals transmitted over the power lines
05/31/2000EP1005129A2 Arc fault detector method
05/31/2000EP1005128A2 Arc fault detector apparatus, means and system
05/31/2000EP1004162A1 Method for monitoring a protective gear
05/25/2000WO2000030233A1 Impedance measurement system for power system transmission lines
05/24/2000EP1003262A2 Circuit breaker
05/23/2000CA2290087A1 Arc fault detector apparatus
05/17/2000EP0653073B1 Electric arc detector
05/17/2000CN1253405A Power distribution control device and power distribution control method
05/11/2000DE19953354A1 Switch arcing detection device has current sensor coupled to central processing unit providing correlation function for arcing detection
05/10/2000EP0999633A2 Earth-fault protection for electricity network
05/10/2000EP0999630A1 Device for the thermal overload protection of an electric motor and related method
05/06/2000CA2287415A1 Arc detection architecture based on correlation for circuit breakers
05/04/2000DE19848468A1 Verfahren zur elektronischen Überwachung und Steuerung des Öffnungs- und Schließvorgangs von elektrisch betriebenen Aggregaten A method for electronically monitoring and controlling the opening and closing process of electrically driven aggregates
05/02/2000US6057997 Circuit breaker responsive to repeated in-rush currents produced by a sputtering arc fault
04/2000
04/27/2000WO2000024106A1 Method for electronic surveillance and control of the opening and closing procedure for electrically operated units
04/27/2000DE19849296A1 Schaltungsanordnung zur Ansteuerung eines Auslösers Circuit arrangement for driving a trigger
04/26/2000EP0995251A1 Solid state overload relay
04/26/2000CA2287448A1 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines
04/25/2000US6055145 Overcurrent protection device with visual indicators for trip and programming functions
04/19/2000EP0994546A2 Improvements relating to monitoring apparatus for electrical circuits
04/19/2000EP0994545A2 Circuit for controlling a tripping device
04/19/2000EP0993694A1 Method for monitoring an electric circuit
04/18/2000US6052046 Miniaturized double pole circuit breaker with arc fault and ground fault protection
04/16/2000CA2273526A1 On-line detection of partial discharge in electrical power systems
04/13/2000WO2000021175A1 A protective relay-based monitoring system of dc power within an electric power substation
04/13/2000DE19846965A1 Cable monitoring arrangement for detecting faulty connections to system in electronic manner, monitors system for actual current consumption and fluctuations of current with time
04/12/2000EP0993091A2 Circuit breaker
04/06/2000DE19851973A1 Schaltungsanordnung zur Gewinnung von Hilfsenergie zum Betrieb einer Steuereinheit Circuit arrangement for obtaining auxiliary energy for operation of a control unit
04/05/2000EP0991160A2 Circuit breaker trip unit and method for real-time fault indication
04/05/2000EP0990294A1 A device for current limitation and protection against faults in a current
04/05/2000EP0990292A1 Method and device for monitoring insulation and fault current in an electrical alternating current network
04/05/2000EP0990291A1 Method for adapting a protective relay to the mains frequency, and a protective relay
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