Transmission line fault location algorithms without requiring line parameters

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


When transmission line parameters are not known, a two-terminal algorithm has been proposed in the past for pinpointing the fault location by utilizing voltage and current measurements during the fault. This article puts forth an enhanced method by reducing the number of unknown variables in the Newton-Raphson solution process. The new method is, thus, much simpler and more computationally efficient. In addition, a non-iterative fault location method that is feasible for all types of faults is developed. We have employed the electromagnetic transients program simulation studies to evaluate the performance of the approaches and have obtained quite encouraging results.

Original languageEnglish
Pages (from-to)1218-1225
Number of pages8
JournalElectric Power Components and Systems
Issue number11
StatePublished - Nov 2008


  • Line parameters
  • Transmission line fault location

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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