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Class Information
Number: 361/65
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > Feeder protection in distribution networks > With current and voltage responsive fault sensors
Description: Subject matter wherein the fault sensing means detects both current and voltage in the feeder and activates the disconnect means when a fault is sensed.

Sub-classes under this class:

Class Number Class Name Patents
361/66 With communication between feeder disconnect points 103

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8680843 Magnetic field current sensors Mar. 25, 2014
8659862 Directional fault location and isolation system Feb. 25, 2014
8612027 Segmental electronic circuit breaker and installation comprising same Dec. 17, 2013
8553382 Power switching arrangement Oct. 8, 2013
8543246 Controlling distribution of electrical power Sep. 24, 2013
8502542 Apparatus and method for monitoring a phase line of a section of an electrical energy transmission line Aug. 6, 2013
8482277 Surge current detection device Jul. 9, 2013
8432655 Power management arrangement and method in a utility meter Apr. 30, 2013
8410773 Surge current detection device Apr. 2, 2013
8411400 Method and apparatus for mitigation of dynamic overvoltage Apr. 2, 2013
8412386 Adaptive relaying controlled by autonomous event detection Apr. 2, 2013
8375566 Method of providing arc-resistant dry type transformer enclosure Feb. 19, 2013
8340930 Arrangement for protecting equipment of a power system Dec. 25, 2012
8279567 Circuit breaker with improved re-closing functionality Oct. 2, 2012
8274294 Method and device for capturing a fault in an electrical supply grid Sep. 25, 2012
8218278 Current differential relay device, signal processing method thereof and power transmission line protection system Jul. 10, 2012
8208260 Semiconductor device Jun. 26, 2012
8203813 Distributed power supply system Jun. 19, 2012
8145443 Fourier transform-based phasor estimation method and apparatus capable of eliminating influence of exponentially decaying DC offsets Mar. 27, 2012
8120504 Circuit for indicating operating status of computer hardware devices Feb. 21, 2012
8050878 Method and system for estimation of source impedence on electrical distribution lines Nov. 1, 2011
7990093 Electric motor control apparatus Aug. 2, 2011
7990668 Device protection using temperature compensation Aug. 2, 2011
7826933 Adaptive relaying controlled by autonomous event detection Nov. 2, 2010
7660088 System, apparatus and method for compensating the sensitivity of a sequence element in a line current differential relay in a power system Feb. 9, 2010
7640120 Method and device for detecting arcs Dec. 29, 2009
7633736 Circuit interrupter including nonvolatile memory storing cause-of-trip information Dec. 15, 2009
7599161 Relay device and corresponding method Oct. 6, 2009
7579963 Electronic protection devices for circuit-breakers and corresponding programming method Aug. 25, 2009
7542256 Relay device and corresponding method Jun. 2, 2009
7514932 Method of recognizing signal mis-wiring of a three-phase circuit Apr. 7, 2009
7516044 Self diagnosing HVAC zone configuration Apr. 7, 2009
7502699 System and method for monitoring power in a front end rectifier power system Mar. 10, 2009
7469940 Discharge lamp lighting device, lighting system and method Dec. 30, 2008
7368832 Circuit and fault tolerant assembly including such circuit May. 6, 2008
7365450 Current cutoff circuit and electric steering wheel lock Apr. 29, 2008
7365951 Discharge lamp lighting device, lighting system and method Apr. 29, 2008
7310049 Status indicator Dec. 18, 2007
7304826 Fault management of high temperture superconductor cable Dec. 4, 2007
7245469 DC backup power supply device and method for diagnosing the same Jul. 17, 2007
7218493 Circuit breakers with integrated current and/or voltage sensors May. 15, 2007
7191074 Electric power monitoring and response system Mar. 13, 2007
7090501 Connector apparatus Aug. 15, 2006
7042690 Power-line, differential, isolation loss detector May. 9, 2006
6985800 Protection of an electric power transmission network Jan. 10, 2006
6900971 Power supply device May. 31, 2005
6684134 Electrical fault protection system Jan. 27, 2004
6671151 Network protector relay and method of controlling a circuit breaker employing two trip characteristics Dec. 30, 2003
6654216 Distributed monitoring and protection system for a distributed power network Nov. 25, 2003
6646843 Short circuited semiconductor switch detection Nov. 11, 2003

1 2 3

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