Patents
Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580)
07/2003
07/10/2003WO2003056588A1 Method and system for preventing the formation of an electric arc in a connector which is inserted in a power load supply line
07/10/2003US20030128035 Fault locator and selectivity sensor
07/10/2003US20030128006 Protective device for an electric motor with sensor and evaluation unit
07/09/2003EP1004162B1 Method for monitoring a protective gear
07/09/2003CN2560125Y Leakage protection socket
07/08/2003US6590757 Method and apparatus for detecting and suppressing a parallel arc fault
07/08/2003US6590754 AFCI with false trip prevention filter
07/03/2003US20030125885 Adaptive algorithm to prevent nuissance tripping
07/03/2003US20030123212 Control system for electrical switchgear
07/02/2003CN1427519A Differential current protector
06/2003
06/26/2003US20030117754 Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same
06/26/2003US20030117753 Inverter protecting apparatus
06/26/2003US20030117145 Internal fault indicator for power electrical devices
06/25/2003EP1322018A2 Differential current protective device
06/25/2003EP1322017A2 Differential current protection
06/25/2003EP1322016A2 Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same
06/24/2003US6584365 Electronic trip device with offset correction means
06/24/2003US6583997 Ultra-wide input range switching power supply for circuit protection devices
06/24/2003US6583975 Aircraft applicable ground fault circuit interrupter
06/19/2003WO2003050831A1 Method for predicting a future voltage and/or current curve
06/19/2003US20030112576 Process for producing high performance interconnects
06/19/2003US20030110620 Arc fault circuit breaker
06/12/2003US20030107860 Instantaneous fault detection circuit method and apparatus
06/12/2003US20030107854 Circuit breaker with single test button mechanism
06/12/2003US20030107853 Apparatus and method for servicing a distribution bus
06/11/2003EP1318587A2 Apparatus and method for servicing a distribution bus
06/11/2003EP1317788A1 Power supply device for low-voltage electronic residual current circuit breakers
06/11/2003CN1423385A Apparatus and method for maintaining distribution bus
06/10/2003US6577987 Operational monitoring for a converter
06/10/2003US6577963 Programmatic resetting of circuit breakers
06/10/2003US6577485 Ultra-wide input range power supply for circuit protection devices
06/10/2003US6577484 Arc fault detector device utilizing the di/dt and 60 Hz components of an arcing waveform
06/10/2003US6577478 Overload circuit interrupter capable of electrical tripping and circuit breaker with the same
06/10/2003US6577138 Apparatus for detecting arcing and overcurrents in dc electrical systems subject to cyclic disturbances
06/07/2003CA2413525A1 Apparatus and method for servicing a distribution bus
06/05/2003US20030105608 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
06/05/2003US20030105598 Method for diagnosing degradation in aircraft wiring
06/05/2003US20030103310 Apparatus and method for network-based testing of cluster user interface
06/05/2003US20030102968 Identification system
06/03/2003US6573677 Method of compensating for abrupt load changes in an anti-pinch window control system
06/03/2003US6573676 Drive device and method for moving a vehicle part
05/2003
05/30/2003CA2366734A1 Identification system
05/29/2003US20030101008 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
05/29/2003US20030099073 Ground fault interrupter
05/29/2003US20030099070 Arc fault circuit interrupter which detects the cessation of arcs of an arc fault
05/29/2003US20030098694 Insulation diagnosis device
05/29/2003US20030098671 Anti-islanding detection scheme for distributed power generation
05/28/2003CN2553548Y Operation box for electric power system relay protection
05/28/2003CN1421062A Passive electrostatic shielding structure for electrical circuitry and energy conditioning with outer partial-shielded energy pathways
05/27/2003US6570392 Arc fault circuit detector device detecting pulse width modulation of arc noise
05/22/2003US20030095367 Electric load management center
05/22/2003US20030094936 Method for measuring fundamental frequency component of fault current or voltage signal
05/21/2003EP1311912A2 System for protection zone selection in microprocessor-based relays in an electric power system
05/20/2003US6567759 Motorized machine electrical system arc detection apparatus and methods
05/20/2003US6567256 Dual protective relay for power systems
05/20/2003US6567250 Arc fault protected device
05/14/2003EP1310030A1 Method for controlling and adjusting a motor-driven adjusting device
05/14/2003EP1310029A1 Protection for power grid having an infrared data transmission link using the wap protocol
05/14/2003CN1417913A Method and device for detecting and inhibiting parallel arc fault
05/08/2003WO2003038968A1 Method for monitoring the reversing process of electrically actuatable units
05/08/2003US20030086224 Circuit breaker for detecting an excessive voltage and tripping responsive thereto
05/08/2003US20030086222 Crossover fault classification for power lines with parallel circuits
05/07/2003EP1309059A2 Automatic voltage source selector for circuit breakers utilizing electronics
05/07/2003EP1307753A2 Method and device for identifying and localising high-ohm, single-pole earth faults
05/07/2003EP0935834B1 System and related methods for detecting and measuring the operational parameters of a garage door
05/06/2003US6560079 Ground loss detection for electrical appliances
05/06/2003US6559648 Method for operating an electronic overcurrent trip of a power circuit breaker
05/06/2003US6559622 System for preventing overreach of protection for series compensated power lines
05/02/2003EP1305861A1 Circuit breaker remote service system
05/02/2003EP1051786B1 Protective circuit breaking circuitry
05/02/2003EP1007986B1 Fault detection apparatus and method of detecting faults in an electrical distribution network
05/01/2003US20030081364 Crossover fault classification for power lines with parallel circuits
05/01/2003US20030081360 Automatic voltage source selector for circuit breakers utilizing electronics
05/01/2003US20030079748 Fault protection system for a respiratory conduit heater element
04/2003
04/29/2003US6556397 Device and method for detecting arc fault
04/29/2003US6556395 Ground fault circuit interrupter for circuits operating with non-sinusoidal waveforms
04/24/2003WO2003034565A1 Voltage limiter
04/24/2003US20030076644 Cable network and method for protecting the cable network against a serial arc
04/23/2003EP1304786A1 Voltage limiter
04/23/2003EP1303897A1 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
04/23/2003EP1076829B1 Method and circuit for measuring a current
04/23/2003EP1012611B1 Arcing fault detection system
04/22/2003US6552884 Circuit breaker with display function
04/22/2003US6552675 Electrical protection device with analog-to-digital converter of the sigma-delta type
04/22/2003US6552666 Phase difference detection device and method for a position detector
04/17/2003WO2003032461A1 Overload current protection apparatus
04/17/2003US20030074148 Arc fault circuit interrupter system
04/17/2003US20030074146 Crossover fault classification for power lines with parallel circuits
04/17/2003US20030072115 Ultra-wide input range power supply for circuit protection devices
04/17/2003US20030072114 Protective relay apparatus
04/17/2003US20030072113 Arc detection using load recognition, harmonic content and broadband noise
04/15/2003CA2216434C Arcing fault detection system
04/10/2003WO2003030326A1 Circuit breaker having analog override
04/10/2003WO2002097947A3 Method for closing a motor driven window
04/10/2003CA2462507A1 Circuit breaker having analog override
04/09/2003EP1300919A1 Electrical network and method for protecting the network against electrical arcs
04/09/2003EP1300749A1 System and method for adjusting communications over signal lines
04/09/2003EP0734533B1 Visual power on indicator
04/08/2003US6546342 Adaptive algorithm to prevent nuissance tripping
04/08/2003US6545849 Instantaneous fault detection circuit method and apparatus
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