Patents
Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580)
01/2004
01/22/2004CA2492429A1 Electrical network protection system
01/21/2004CN1135396C Improved circuit monitoring equipment
01/17/2004CA2435169A1 Tester for a plurality of circuit breakers having a range of rated currents and multiple trip functions
01/15/2004US20040010350 Distributed power generation system protection scheme
01/15/2004US20040008461 Electrical network protection system
01/15/2004US20040008460 Electrical switching apparatus including glowing contact protection
01/14/2004EP0976189B1 Method for determining the location of a partial discharge
01/13/2004US6678137 Temperature compensation circuit for an arc fault current interrupting circuit breaker
01/13/2004US6678136 Protective relay apparatus
01/13/2004US6678134 Digital protective relay system
01/08/2004WO2003073571A3 External clock to obtain multiple synchronized computer
01/07/2004CN1466803A Power supply device for low-voltage electronic residual current circuit breakers
01/06/2004US6674631 Charging dispenser for a thin web
01/02/2004EP1374470A1 System and method for aligning data between local and remote sources thereof
01/02/2004EP1373045A1 Electric load management center
12/2003
12/31/2003WO2003073214A3 Method for communicating information bundled in digital message packets
12/31/2003CN2596641Y Silicon chain break circuit protector
12/30/2003US6671150 Circuit breaker for detecting an excessive voltage and tripping responsive thereto
12/30/2003US6671144 Method and apparatus for detecting ground faults and for isolating power supply from the ground faults
12/30/2003CA2202738C Apparatus for detecting and responding to series arcs in ac electrical systems
12/24/2003WO2003107374A1 Shorting switch and system to eliminate arcing faults in power distribution equipment
12/24/2003WO2003107368A1 Shorting switch and system to eliminate arcing faults in low voltage power distribution equipment
12/24/2003WO2003073580A3 Processing system for a power distribution system
12/24/2003CA2489531A1 Shorting switch and system to eliminate arcing faults in power distribution equipment
12/23/2003US6667691 Apparatus for the detection and early warning of electrical arcing fault
12/18/2003WO2003105303A1 Arc detection by non-causal signal correlation
12/18/2003US20030231453 Shorting switch and system to eliminate arcing faults in power distribution equipment
12/18/2003US20030231449 Circuit breaker for detecting overload
12/18/2003US20030231447 Circuit breaker lockout
12/18/2003US20030231440 Circuit protection system
12/17/2003EP1372235A1 Multifunctional electronic energy saving switch
12/17/2003CN1462105A Supply unit with multiplex power-supply output
12/11/2003WO2003103349A2 Motor speed-based anti-pinch control apparatus and method
12/11/2003WO2003102506A1 Instantaneous overcurrent element for heavily saturated current in a power system
12/11/2003WO2003102339A2 Motor speed-based anti-pinch control apparatus and method with endzone ramp detection and compensation
12/11/2003US20030229423 Method for power distribution system components identification, characterization and rating
12/11/2003US20030227290 Arc detection by non-causal signal correlation
12/10/2003EP1369973A1 Overload current protection device using magnetic impedance element
12/10/2003CN2591823Y Three-phase power supply circuit apparatus for earth leakage breaker
12/10/2003CN1461510A 改进型的数字保护和控制装置 Digital protection and control device modification
12/09/2003US6662124 Protective relay with synchronized phasor measurement capability for use in electric power systems
12/09/2003US6661632 Data acquisition system for a circuit breaker
12/09/2003CA2338742C Arc fault detection system
12/09/2003CA2132137C Self testing circuit breaker ground fault and sputtering arc trip unit
12/04/2003WO2003100938A1 Residual current circuit breaker
12/04/2003WO2003073572A3 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
12/04/2003US20030225482 Method and system for conditionally triggered system data capture
12/04/2003US20030225481 Method and apparatus for optimizing redundant critical control systems
12/04/2003US20030223252 Boost circuit and power supply converter
12/04/2003US20030223171 Instantaneous overcurrent element for heavily saturated current in a power system
12/04/2003US20030223161 ARC fault or ground fault or ARC fault / ground fault trip signal generator and trip unit employing the same
12/04/2003US20030222614 Motor speed-based anti-pinch control apparatus and method
12/04/2003US20030222610 Motor speed-based anti-pinch control apparatus and method with endzone ramp detection and compensation
12/04/2003US20030222509 Method and apparatus for node electronics unit architecture
12/04/2003US20030222506 Power supply unit having multiple power supply outputs
12/02/2003US6658360 Software-controlled evaluation of fault currents for protection and monitoring systems
12/02/2003US6657834 Reset lockout for circuit interrupting device
12/02/2003US6657150 Shorting switch and system to eliminate arcing faults in power distribution equipment
11/2003
11/27/2003WO2003098766A1 Supply connection unit comprising an interference suppression filter for an electric domestic appliance
11/27/2003WO2003098764A1 Quench detector
11/27/2003WO2003098403A2 Electric load management center
11/27/2003US20030220752 Apparatus and system for protection, control, and management of electricity distribution systems using time synchronization
11/27/2003US20030220719 Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis
11/26/2003EP1364437A2 Aircraft applicable ground fault circuit interrupter
11/25/2003US6654219 Arc fault detector with diagnostic indicator
11/25/2003US6654217 Quick responding instantaneous trip system
11/20/2003WO2003073576A3 Method and apparatus for ground fault protection
11/20/2003US20030216876 Method and apparatus for ground fault protection
11/20/2003US20030214907 Method for communicating information bundled in digital message packets
11/20/2003US20030214424 System for sampling a signal in an electronic instrument using a unipolar A/D converter
11/20/2003US20030214307 Device for detecting partial discharge in power equipment using radiated electromagnetic wave
11/18/2003US6650516 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
11/18/2003US6650515 Circuit breaker including power supply monitor circuit to disable a trip mechanism
11/13/2003US20030212835 Method and system for external clock to obtain multiple synchronized redundant computers
11/13/2003US20030212515 Data sample and transmission modules for power distribution systems
11/13/2003US20030212513 Configuring a centrally controlled circuit breaker protection system
11/13/2003US20030212512 Apparatus and system for protection, control, and management of electricity distribution systems over a network
11/13/2003US20030212473 Processing system for a power distribution system
11/11/2003US6646838 Circuit interrupting system with independent trip and reset lockout
11/06/2003US20030205938 Integrated protection, monitoring, and control system
11/05/2003EP1359655A2 Circuit interrupter trip unit
11/05/2003EP1359654A2 Electronic fault detector for variable frequency ac systems and circuit breaker incorporating same
11/04/2003US6642832 ARC responsive thermal circuit breaker
10/2003
10/30/2003WO2003090327A2 Protective relay with synchronized phasor measurement capability for use in electric power systems
10/30/2003US20030204756 Push communications architecture for intelligent electronic devices
10/30/2003US20030202305 Circuit interrupter trip unit
10/30/2003US20030202303 Electronic fault detector for variable frequency ac systems and circuit breaker incorporating same
10/30/2003CA2426436A1 Electronic fault detector for variable frequency ac systems and circuit breaker incorporating same
10/29/2003EP1356561A1 Monitoring system
10/29/2003CA2426335A1 Circuit interrupter trip unit
10/28/2003US6639769 Arc fault detector with circuit interrupter
10/28/2003US6639768 Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same
10/28/2003US6639413 System and method for calibration of data in an electric power monitoring system
10/23/2003US20030200038 Protective relay with synchronized phasor measurement capability for use in electric power systems
10/15/2003EP1353427A1 Redondant transmission of protective commands for remote-trip-devices
10/14/2003US6633824 Direct current electrical system arc detection apparatus and method
10/14/2003US6633467 AFCI which detects and interrupts line side arcing
10/14/2003US6633147 Method for closing a motor driven window
10/14/2003US6633009 Shorting switch and system to eliminate arcing faults in low voltage power distribution equipment
10/09/2003US20030189899 Redundant transmission of protection commands between remote tripping devices
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