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Location of Fault on Transmission Line using Traveling Wave Technique

Author

Listed:
  • John A. Atuchukwu

    (Chukwuemeka Odumegwu Ojukwu University, Nigeria)

  • Obi K. Obinna

    (Nnamdi Azikiwe University, Nigeria)

  • Ugochukwu Anionovo

    (Nnamdi Azikiwe University, Nigeria)

Abstract

When a fault on a transmission line manifests itself, the reliability of the power system is often compromised. It is advantageous to be able to stop certain faults from happening or to identify their causes when they do. The system may be quickly returned to its regular functioning condition by knowing the location of any possible line faults. This study proposes a method for fault localization based on travelling waves. This technique makes use of the currents and voltages coming from the line, as well as the speed of propagation, capacitance, inductance, the length of the transmission line, and the change in time that the fault occurs, in order to locate the specific site of the problem. The Onitsha to New/Haven 96 km transmission line was employed as a case study, and Matlab/Simulink was used to model, simulate, and apply the travelling wave fault detection equation. After simulating several fault sequences, the locations of the single line to ground fault, double line to ground fault, line to line fault, and three phase fault were found to be 48.539625306645 km, 48.539625261133 km, 48.539624540792 km, and 48.539625285965 km, respectively.

Suggested Citation

Handle: RePEc:epw:energy:v:2:y:2022:i:5:id:7090
DOI: 10.24018/ejenergy.2022.2.5.90
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