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