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Internal winding ground fault will have a significant impact on the normal operation of Ultra-high voltage (UHV) reactor, it is not easy to accurately locate it with traditional methods. To address these challenges, this paper proposes a novel ground fault location method based on phase consistency. An equivalent distributed parameter circuit model of the reactor is developed to systematically validate the feasibility of the phase-consistency approach. Furthermore, quantitative analysis is conducted to investigate the influence of key factors, including excitation voltage amplitude, conductor length, and ground fault location.

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Location of Internal Ground Fault in UHV Reactor Based on Phase Consistency

  • 会议论文

  • 发表日期：

    2026年

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  • Junlin Zhu,
  • Jiahui Yang,
  • Xiaojing Dang,
  • Xiaqing Sun,
  • Qiying Zhang,
  • Li Gong,
  • Zhongyong Zhao

摘要

Internal winding ground fault will have a significant impact on the normal operation of Ultra-high voltage (UHV) reactor, it is not easy to accurately locate it with traditional methods. To address these challenges, this paper proposes a novel ground fault location method based on phase consistency. An equivalent distributed parameter circuit model of the reactor is developed to systematically validate the feasibility of the phase-consistency approach. Furthermore, quantitative analysis is conducted to investigate the influence of key factors, including excitation voltage amplitude, conductor length, and ground fault location.