New fault location technique for series compensated transmission lines

Ning Kang, Yuan Liao

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


A new fault location algorithm for series compensated transmission line utilizing two-terminal unsynchronized voltage and current measurements is presented in this paper. The distributed parameter line model is adopted to fully take into account the shunt capacitance. The fault impedance is assumed to be pure resistive. By formulating the fault current in terms of unknown fault location, boundary conditions under different fault types can be made use of to derive the fault location. Two subroutines assuming the fault occurs on the left or right side of the series compensator are developed and the principle to identify the correct fault location estimate is described. Matlab SimPowerSystems is utilized to simulate the faults of various conditions and generate the voltage and current waveforms from both terminals of the series compensated single-circuit line. The fault location results are quite accurate based on simulation studies.

Original languageEnglish
Pages (from-to)1385-1390
Number of pages6
JournalInternational Review of Electrical Engineering
Issue number6
StatePublished - Dec 2009


  • Fault location
  • Series compensation
  • Single-circuit transmission line
  • Two-terminal
  • Unsynchronized voltage and current phasors

ASJC Scopus subject areas

  • General Energy
  • Energy (miscellaneous)
  • Instrumentation
  • Applied Mathematics
  • Electrical and Electronic Engineering
  • Automotive Engineering


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