Short circuit studies in transmission networks using improved fault model

Vladimir V. Terzija, Djordje M. Dobrijevic

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

Accuracy of short circuit analysis depends on the fault modelling. This paper addresses the implementation of a new fault model consisted of a serial connection of the tower footing resistance and arc resistance. In existing approaches the value of the arc resistance at the fault location must be known in advance, or it is totally neglected from the consideration. The fault current and arc resistance are mutually dependent, so the short circuit analysis cannot be performed directly. A new solution for this problem is the use of an iterative procedure, calculating fault current and arc resistance iteratively. The new method presented in this paper calculates short circuit currents and arc resistance simultaneously. Results of fault analysis and arc resistance calculation in two test network are presented and discussed in the paper.

Original languageEnglish
Title of host publication2007 IEEE Lausanne POWERTECH, Proceedings
Pages1752-1757
Number of pages6
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event2007 IEEE Lausanne POWERTECH - Lausanne, Switzerland
Duration: 1 Jul 20075 Jul 2007

Publication series

Name2007 IEEE Lausanne POWERTECH, Proceedings

Conference

Conference2007 IEEE Lausanne POWERTECH
Country/TerritorySwitzerland
CityLausanne
Period1/07/075/07/07

Keywords

  • Arc resistance
  • Fault modelling
  • Iterative procedures
  • Short circuit analysis
  • Transmission networks

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