Impact of high resistance faults on impedance protection perfomance

Rhulani Matshidza, Adam Bartylak, Rastko Zivanovic

Publikation: Beitrag in FachzeitschriftKonferenzartikelBegutachtung

Abstract

ESKOM has relied primarily on impedance-based measurement protection relays for the protection of EHV transmission lines. One of the main disadvantages of a distance relays is the limited fault resistance measurement capability. There are currently more than 20 relay types applied as transmission line protection on the ESKOM's transmission network with the most common types of characteristic being mho and polygonal characteristics.

OriginalspracheEnglisch
Seiten (von - bis)399-403
Seitenumfang5
FachzeitschriftIEE Conference Publication
Jahrgang3
Ausgabenummer2005-11034
PublikationsstatusVeröffentlicht - 2005
Extern publiziertJa
VeranstaltungEighteenth International Conference and Exhibition on Electricity Distribution, CIRED 2005, Technical Reports - Session 1: Network Components - Turin, Italien
Dauer: 6 Juni 20059 Juni 2005

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