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Class Information
Number: 361/62
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > Feeder protection in distribution networks
Description: Subject matter wherein the system which distributes power from a source (normally a bus) to the load is protected from a fault condition by disconnection.

Sub-classes under this class:

Class Number Class Name Patents
361/65 With current and voltage responsive fault sensors 121
361/63 With current responsive fault sensor 177

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8682603 Substation instrument control system Mar. 25, 2014
8659862 Directional fault location and isolation system Feb. 25, 2014
8655608 Symmetrical component amplitude and phase comparators for line protection using time stamped data Feb. 18, 2014
8649138 Electricity storage system and control device Feb. 11, 2014
8630745 Energy consumption management system and energy consumption management apparatus Jan. 14, 2014
8587910 Function module and coupling module for a switch device control and system for switch device control Nov. 19, 2013
8588993 Voltage regulation optimization Nov. 19, 2013
8526151 Shared memory architecture for protection of electrical distribution equipment Sep. 3, 2013
8526150 Central control and instrumentation system for a technical installation and method for operating a central control and instrumentation system Sep. 3, 2013
8514531 Trip unit providing short circuit zone location detection, electrical switching apparatus and system including the same Aug. 20, 2013
8503142 Method for selectively triggering circuit breakers in the event of a short circuit Aug. 6, 2013
8467158 Technique for limiting transmission of fault current Jun. 18, 2013
8421475 AC current sensor for measuring electric AC current in a conductor and an indicator system comprising such a sensor Apr. 16, 2013
8411400 Method and apparatus for mitigation of dynamic overvoltage Apr. 2, 2013
8395871 Device and method for detecting faulted phases in a multi-phase electrical network Mar. 12, 2013
8385035 Protection system having reduced energy let-through mode and zone selectivity Feb. 26, 2013
8358035 Electrical generator arrangements Jan. 22, 2013
8351171 Integrated automatic selection of maintenance mode in electronic tripping systems to minimize arc fault energy Jan. 8, 2013
8339755 Electrical fault restricting system Dec. 25, 2012
8325370 Network interface apparatus, control method, program, and image forming apparatus Dec. 4, 2012
8271214 Method for increasing the sensitivity of a differential protection system Sep. 18, 2012
8254072 Electrical load center Aug. 28, 2012
8248739 Electrical switching apparatus and protection apparatus determining thermal age of another apparatus or a number of insulators Aug. 21, 2012
8233254 Method of ensuring the coordinated arc fault protection in a heirarchial power distribution system Jul. 31, 2012
8228652 Arc flash detection apparatus and electrical system including the same Jul. 24, 2012
8207742 Directional zone select interlock method Jun. 26, 2012
8209101 Method and system for adaptive power management Jun. 26, 2012
8203813 Distributed power supply system Jun. 19, 2012
8194374 Differential element with harmonic blocking and harmonic restraint operating in parallel Jun. 5, 2012
8180481 Autoloop system and method of operation May. 15, 2012
8159792 Motor control device Apr. 17, 2012
8154836 Line current differential protection upon loss of an external time reference Apr. 10, 2012
8154835 Power and control unit for a low or medium voltage apparatus Apr. 10, 2012
8144442 Power protection in a multi-level power hierarchy Mar. 27, 2012
8125753 Brownout ride-through system and method Feb. 28, 2012
8068320 Network unit including network transformer and network protector Nov. 29, 2011
8027133 Power plate for driving at least one robot Sep. 27, 2011
7986503 Circuit protection system Jul. 26, 2011
7948217 Distributed generation system and power system stabilizing method May. 24, 2011
7944660 Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution May. 17, 2011
7940508 Inherently safe modular control system May. 10, 2011
7906870 System and method for anti-islanding, such as anti-islanding for a grid-connected photovoltaic inverter Mar. 15, 2011
7899630 Metering device with control functionality and method thereof Mar. 1, 2011
7889476 Electronics for multipole remote operated relay Feb. 15, 2011
7852605 Arc-flash hazard protection system for three-phase electrical distribution system Dec. 14, 2010
7769497 Method of super super decoupled loadflow computation for electrical power system Aug. 3, 2010
7751165 Centrally controlled protection systems having reduced energy let-through mode Jul. 6, 2010
7745956 Grid interconnection device, grid interconnection system and transfer trip system Jun. 29, 2010
7710697 Hybrid system for electronically resetable circuit protection May. 4, 2010
7710698 Distance protection relay and method May. 4, 2010

1 2 3 4 5 6

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