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A Fault Location Algorithm for Multi-Section Combined Transmission Lines Considering Unsynchronized Sampling

Author

Listed:
  • Peng Y. Lak

    (Department of Electrical Engineering, Myongji University, Yongin 17058, Republic of Korea)

  • Kwang-Min Ha

    (Department of Electrical Engineering, Myongji University, Yongin 17058, Republic of Korea)

  • Soon-Ryul Nam

    (Department of Electrical Engineering, Myongji University, Yongin 17058, Republic of Korea)

Abstract

This paper introduces a fault location technique for multi-section combined transmission lines, utilizing unsynchronized fault record data. The approach determines the intersection points of the voltage magnitudes computed using the fault current and voltage records of each terminal and the constant line parameters of each section. Finally, the real fault location is identified based on the calculated inverse angle of equivalent impedance. To evaluate the performance of the proposed algorithm, a three-section combined transmission line is constructed using the PSCAD/EMTDC software version 5.0.0, and various fault scenarios are simulated and tested employing the proposed algorithm. The results indicate that the proposed algorithm is applicable to various types of faults in a multi-section combined transmission line; the estimations are accurate.

Suggested Citation

  • Peng Y. Lak & Kwang-Min Ha & Soon-Ryul Nam, 2024. "A Fault Location Algorithm for Multi-Section Combined Transmission Lines Considering Unsynchronized Sampling," Energies, MDPI, vol. 17(3), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:3:p:703-:d:1331341
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