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


    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. ©2007 IEEE.
    Original languageEnglish
    Title of host publication2007 IEEE Lausanne POWERTECH, Proceedings|IEEE Lausanne POWERTECH, Proc.
    Number of pages5
    Publication statusPublished - 2007
    Event2007 IEEE Lausanne POWERTECH - Lausanne
    Duration: 1 Jul 2007 → …


    Conference2007 IEEE Lausanne POWERTECH
    Period1/07/07 → …


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


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