About: The Evaluation of Overvoltage During Short-Time Additional Earthing of Healthy Phase for Fault Location in MV Networks

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About: The Evaluation of Overvoltage During Short-Time Additional Earthing of Healthy Phase for Fault Location in MV Networks Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper is focused on the operational experience with an automatic system for additional earthing of the faulty or healthy phase during an earth fault. The system is primarily used for limiting of a fault current in the point of the fault by earthing of the faulty phase during an earth fault. The equipment for additional earthing of faulty phase can also be used for short-time connection of healthy phase to earth fault location. There are fast circuit breakers for additional earthing in the substation and the cycle close-open is shorter then time for tripping of overcurrent protection in the outgoing feeder-bay (100 ms). This method of fault location in MV network could bring additional overvoltage which stresses the insulation of MV networks elements. This paper presents the simulation and experimental verification of this phenomenon and gives the recommendation for choosing the healthy phase for minimizing the negative influence of this location technique. The paper is focused on the operational experience with an automatic system for additional earthing of the faulty or healthy phase during an earth fault. The system is primarily used for limiting of a fault current in the point of the fault by earthing of the faulty phase during an earth fault. The equipment for additional earthing of faulty phase can also be used for short-time connection of healthy phase to earth fault location. There are fast circuit breakers for additional earthing in the substation and the cycle close-open is shorter then time for tripping of overcurrent protection in the outgoing feeder-bay (100 ms). This method of fault location in MV network could bring additional overvoltage which stresses the insulation of MV networks elements. This paper presents the simulation and experimental verification of this phenomenon and gives the recommendation for choosing the healthy phase for minimizing the negative influence of this location technique. (en)
Title	The Evaluation of Overvoltage During Short-Time Additional Earthing of Healthy Phase for Fault Location in MV Networks The Evaluation of Overvoltage During Short-Time Additional Earthing of Healthy Phase for Fault Location in MV Networks (en)
skos:prefLabel	The Evaluation of Overvoltage During Short-Time Additional Earthing of Healthy Phase for Fault Location in MV Networks The Evaluation of Overvoltage During Short-Time Additional Earthing of Healthy Phase for Fault Location in MV Networks (en)
skos:notation	RIV/00216305:26220/14:PU108900!RIV15-MSM-26220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.30.0005)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Toman, Petr Kopička, Marek Topolánek, David Orságová, Jaroslava
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	15407
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/14:PU108900
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	earth fault, fault location, overvoltage, earthing, healthy phase (en)
http://linked.open.../riv/klicoveSlovo	overvoltage earthing fault location earth fault healthy phase
http://linked.open...ontrolniKodProRIV	[465B51FFD935]
http://linked.open...v/mistoKonaniAkce	Copenhagen
http://linked.open...i/riv/mistoVydani	Six Hills Way Stevenage Hertfordshire SG1 2AY UK
http://linked.open...i/riv/nazevZdroje	The 12th International Conference on Developments in Power System Protection DPSP2014
http://linked.open...in/vavai/riv/obor	JE
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Support of Interdisciplinary Excellence Research Teams Establishment at BUT
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Toman, Petr Orságová, Jaroslava Topolánek, David Kopička, Marek
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-03-31 (xsd:date)
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1049/cp.2014.0160
http://purl.org/ne...btex#hasPublisher	The Institution of Engineering and Technology IET
https://schema.org/isbn	978-1-84919-834-9
http://localhost/t...ganizacniJednotka	26220

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