Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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04/05/2001 | WO2001024337A2 Instantaneous arc fault light detector with resistance to false tripping |
04/05/2001 | CA2350615A1 Instantaneous arc fault light detector with resistance to false tripping |
03/28/2001 | EP1087490A1 Electrical protection device with a sigma-delta analog-to-digital converter |
03/27/2001 | CA2241927C Resistor and protector for transmission line |
03/27/2001 | CA2148076C Power monitor apparatus and method with object oriented structure |
03/22/2001 | WO2001020741A1 Residual current device sensitive to universal-current and method for detecting a fault current |
03/22/2001 | WO2001020740A1 Residual current protective device with frequency generator |
03/21/2001 | CN1288277A Electronic tripping device having initialization device |
03/20/2001 | CA2095811C Communication interface for bus connected circuit breakers |
03/15/2001 | WO2001018935A1 Method for controlling an adjustment device that is driven in an electromotorical manner and used for window lifters for instance and a device for carrying out said method |
03/15/2001 | WO2001018933A1 An arrangement for protecting a dc source |
03/15/2001 | DE19943802A1 Allstromsensitive Fehlerstrom-Schutzeinrichtung und Verfahren zur Erfassung eines Fehlerstroms Universal current protection device and method for detecting a fault current |
03/15/2001 | DE19943780A1 Fehlerstrom-Schutzeinrichtung mit Frequenzgenerator Residual current protective device with frequency generator |
03/15/2001 | DE19938315A1 Stromerfassungseinrichtung Current detecting means |
03/14/2001 | EP1083645A1 Electronic trip device comprising initializing apparatus |
03/14/2001 | EP1083644A1 Earth fault protection device sensitive to arc currents, trip device and circuit breaker comprising such a device |
03/14/2001 | EP1082797A1 Fault data synchronization via peer-to-peer communications network |
03/08/2001 | WO2001017092A1 Electric power supervision |
03/08/2001 | WO2001017085A1 Material-utilised alternating current machines |
03/08/2001 | WO2001017084A1 Intelligent synchronous machine with rotating sensor and processing unit |
03/08/2001 | DE19939997A1 Device for monitoring electric motor for thermal overload, produces corrected temperature signal depending on past output of temperature sensor |
03/06/2001 | US6198611 Arc fault circuit interrupter without DC supply |
03/06/2001 | US6198401 Detection of sub-cycle, self-clearing faults |
03/01/2001 | WO2001015183A2 Circuit breaker with independent trip and reset lockout |
03/01/2001 | CA2382407A1 Circuit breaker with independent trip and reset lockout |
02/28/2001 | EP1078432A1 Power circuit breaker |
02/28/2001 | EP1078431A1 Mimic high pass filter in a protective relay |
02/28/2001 | EP1078430A2 Distributed logic in multiple protective relays |
02/27/2001 | US6195241 Arcing fault detection system |
02/21/2001 | EP1077518A2 Apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources |
02/21/2001 | EP1076829A1 Method and circuit for measuring a current |
02/20/2001 | US6191589 Test circuit for an AFCI/GFCI circuit breaker |
02/16/2001 | CA2315513A1 Apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources |
02/15/2001 | DE19944409A1 Method and device for error-type-dependent sensitive triggering of residual current protection installs this device with a triggering differential current between a mains power supply and a consumer installation. |
02/14/2001 | EP1076392A2 Current detecting device |
02/14/2001 | EP1075723A1 Closing device with a safety function |
02/08/2001 | DE19927029A1 Verfahren zum Betrieb eines elektronischen Überstromauslösers eines Leistungsschalters A method for operating an electronic overcurrent trip a circuit breaker |
02/06/2001 | US6183040 Device for preventing sandwiched condition |
01/31/2001 | EP1072076A1 Multiple communications protocols in a protective relay |
01/24/2001 | EP0853835B1 Voltage pulse controllable electronic devices |
01/23/2001 | US6177803 Monitoring elements in a multi-phase alternating current network |
01/18/2001 | WO2001005010A1 Method and apparatus for detecting arcs and controlling supply of electrical power |
01/11/2001 | WO2001002872A1 A method and system for detecting arcing faults and testing such system |
01/11/2001 | CA2377891A1 A method and system for detecting arcing faults and testing such system |
01/10/2001 | EP0679295B1 Load analysis system for fault detection |
01/10/2001 | CN2414537Y High-voltage lightning arrester unlock and falut indicator |
01/09/2001 | US6173216 Protective relay with improved, sub-window cosine filter |
01/09/2001 | US6172862 Partial discharge relay and monitoring device |
01/09/2001 | CA2075914C Addressable relay module for circuit breakers |
01/04/2001 | WO2001001536A1 Arc fault circuit breaker |
01/03/2001 | EP1064162A1 Method and device for operating an adjusting drive in a motor vehicle |
01/02/2001 | US6169648 Electronic motor protection system |
12/28/2000 | DE19927389A1 Schaltung zum Detektieren eines unzulässig hohen Stromes in einer Endstufe A circuit for detecting an inadmissibly high current in an output stage |
12/21/2000 | WO2000077905A1 Circuit for detecting an inadmissibly high current in an output stage |
12/21/2000 | DE19928192A1 Current reconstruction method involves deriving maximum and minimum orientation points from at least two measurement windows superimposed on current measurement signal |
12/19/2000 | US6163265 Voltage sensing arrangement |
12/14/2000 | WO2000076048A1 Current limiting device comprising a high temperature supraconductor |
12/14/2000 | WO2000076046A1 Method for operating an electronic overcurrent trip of a power circuit breaker |
12/14/2000 | WO2000048281A3 Distributed logic in multiple protective relays |
12/13/2000 | EP1058957A1 Method for event analysis at an intelligent electronic device |
12/13/2000 | CN1276640A Electronic trip unit with user-adjustable current spike sensitivity |
12/12/2000 | US6160690 Distribution control system and distribution control method capable of isolating fault section without fail |
12/07/2000 | DE19927031A1 Strombegrenzungseinrichtung mit Hochtemperatur-Supraleiter Current-limiting device with high-temperature superconductors |
12/07/2000 | DE10014073A1 Safety device of power window in motor vehicles, has position sensor which detects angular position of drive motor from which opening-closing position of window glass is detected and controlled |
12/06/2000 | EP1058365A2 Electronic trip unit with user-adjustable sensitivity to current spikes |
12/06/2000 | EP1057233A1 Zone arc fault detection |
12/06/2000 | EP1057232A1 Electrical fault detection system |
12/06/2000 | CN2409692Y Outdoor high-voltage metering protecting cabinet |
11/29/2000 | EP1056179A2 Protection system for devices connected to an alternating current electrical power supply |
11/29/2000 | EP1055244A1 Circuit breaker with multiple test switch assembly |
11/26/2000 | CA2308977A1 Protection system for devices connected to an alternating current electrical power supply |
11/23/2000 | DE19922182A1 Supply unit output voltage monitoring unit e.g. for protecting connected load |
11/21/2000 | US6150739 Circuit configuration for supplying power to electronic tripping device |
11/16/2000 | WO2000069042A1 Adaptive sampling rate based on power system frequency |
11/15/2000 | EP1051786A1 Protective circuit breaking circuitry |
11/14/2000 | US6147847 Circuit arrangement for detecting the current of a current conductor in order to activate electronically controllable tripping devices |
11/14/2000 | CA2210857C Improved loss of potential determination for use in protective relays for electric power systems |
11/09/2000 | WO2000067363A1 A constant-frequency machine with a varying/variable speed |
11/09/2000 | WO2000067355A1 Power converter with rotating/stationary communication/processing means |
11/09/2000 | DE19921173A1 Spurious arc extinguishing device for electrical switching apparatus has contacts in vacuum chamber which close and commutate current of spurious arc |
11/09/2000 | CA2367389A1 A constant-frequency machine with a varying/variable speed |
11/09/2000 | CA2367386A1 Power converter with rotating/stationary communication/processing means |
11/08/2000 | EP1050943A2 Electronic motor protection system |
11/08/2000 | CN1272970A Redundant communications in protective relay |
11/07/2000 | US6144537 Arcing fault and ground fault interrupting device for branch circuits and extensions |
11/07/2000 | CA2104195C Computationally-efficient distance relay for power transmission lines |
11/02/2000 | DE10017238A1 Kurzschlußlichtbogendetektion für ein Flugzeug Short-circuit arc detection for an aircraft |
10/31/2000 | US6141197 Smart residential circuit breaker |
10/31/2000 | US6141196 Method and apparatus for compensation of phasor estimations |
10/31/2000 | US6141192 Arcing fault protection system for a switchgear enclosure |
10/31/2000 | CA2057482C Transformer fault protection device |
10/25/2000 | EP1046206A1 Fault sensing wire and alarm apparatus |
10/24/2000 | US6137666 High speed, selective protective relays |
10/24/2000 | US6137418 Single channel apparatus for on-line monitoring of three-phase AC motor stator electrical faults |
10/24/2000 | CA2183176C High power dc blocking device for ac and fault current grounding |
10/19/2000 | DE19916533A1 Electronic monitoring unit for AC motor, compares running time and rest time of motor with preset values to switch off motor under appropriate conditions |
10/18/2000 | EP1045500A1 Electronic tripping device with phase reconstruction and circuit breaker with such a trip device |
10/18/2000 | EP1044490A1 Method for electronic surveillance and control of the opening and closing procedure for electrically operated units |
10/18/2000 | EP1044489A1 Earth leakage protective relay |
10/18/2000 | CN1270430A Electronic break-off unit with phase reset function and breaker including same |