Earth fault current distribution and proof method of global earthing systems

Lothar Fickert, Thomas Mallits, Markus Resch

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem Konferenzband

Abstract

In order to estimate the currents as well as the relevant voltage drops in case of an earth fault, a calculation model was prepared to give an overview of possible dangerous earth potential rises, touch and step voltages. The combination of two inductively coupled loops and a low voltage model for an earth fault in a cable ring structure, which is made up from one single feeder operated with an open circuit breaker led to the calculation of the reduction factor. When inserting typical values for an urban low voltage network, it is shown that the earth fault current returns mainly through the cable sheaths and not via the grounding system of the afflicted ring main unit.

Originalspracheenglisch
Titel2018 19th International Scientific Conference on Electric Power Engineering, EPE 2018 - Proceedings
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers
Seiten1-4
Seitenumfang4
ISBN (elektronisch)9781538646113
DOIs
PublikationsstatusVeröffentlicht - 25 Jun 2018
Veranstaltung19th International Scientific Conference on Electric Power Engineering, - Orea Resort Santon, Brno, Tschechische Republik
Dauer: 16 Mai 201818 Mai 2018
http://www.epe-conference.eu/index2.php?section=home&lang=en

Konferenz

Konferenz19th International Scientific Conference on Electric Power Engineering,
KurztitelEPE 2018
LandTschechische Republik
OrtBrno
Zeitraum16/05/1818/05/18
Internetadresse

ASJC Scopus subject areas

  • !!Electrical and Electronic Engineering
  • !!Control and Optimization
  • !!Computer Networks and Communications
  • !!Energy Engineering and Power Technology
  • !!Nuclear Energy and Engineering
  • !!Safety, Risk, Reliability and Quality

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