Efficient distance protection and adaptive autoreclosure numerical algorithm

Vladimir V. Terzija, Sven Wehrmann, Zoran Radojevic, Hans Jürgen Koglin

Research output: Contribution to journalArticlepeer-review


An efficient fault location numerical algorithm based on one terminal data processing and derived in time domain is presented. The fault location and its nature (arcing or arcless fault) are estimated using Least Error Squares Technique. The arc, occurring on the fault point, is included into the problem consideration. By introducing the pre-fault load current the better algorithm performances are achieved. The algorithm is derived for the case of three phase symmetrical fault, The results of the algorithm testing through computer simulation are presented. The algorithm sensitivity to arc elongation effects and harmonics are tested, as well.

Original languageEnglish
Pages (from-to)669-674
Number of pages6
JournalProceedings of the IEEE Power Engineering Society Transmission and Distribution Conference
Publication statusPublished - 2001
Externally publishedYes


  • Adaptive algorithm
  • Arc modelling
  • Autoreclosure
  • Digital line protection
  • Distance protection
  • Estimation


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