Distance protection and fault location utilizing only phase current phasors

M. B. Djurić, Z. M. Radojević, V. V. Terzija

Research output: Contribution to journalArticlepeer-review

61 Citations (Scopus)

Abstract

Two numerical algorithms for fault location and distance protection which use data from one end of transmission line are presented. Both algorithms require only current signals as input data. Voltage signals are unnecessary for determining the unknown distance to the fault. The solution for the most frequent phase to ground fault is presented. The algorithms are relatively simple and easy to be implemented in the on-line application. The algorithms allow for accurate calculation of the fault location irrespective of the fault resistance and load. To illustrate the features of the new algorithms, steady-state and dynamic tests are presented.

Original languageEnglish
Pages (from-to)1020-1024
Number of pages5
JournalIEEE Transactions on Power Delivery
Volume13
Issue number4
DOIs
Publication statusPublished - 1998
Externally publishedYes

Keywords

  • Computer relaying
  • Distance protection
  • Fault location

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