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187 / 2023-10-20 18:24:14
High-Resistance Fault Localization Method for Underground Cables Based on Three-Dimensional Wideband Impedance Spectra
underground cables; high resistance fault; broadband impedance spectrum; location detection
4.High voltage and insulation technology > (2)、Sensing, monitoring and diagnostics
全文录用
Yuhao Lan / The University of Sheffield
Kaining Kuang / The university of Sheffield
Locating cable faults is of significant importance


for the stable operation of the power system. Currently,


mainstream methods like partial discharge testing and time-


domain reflectometry impact by issues like filtering distortions


and rapid attenuation of high-frequency signals, making it


difficult to accurately locate high-resistance cable faults. This


paper introduces a three-dimensional wideband impedance


localization method based on temperature gradients. The paper


provides a theoretical analysis of impedance at cable joints and


conducts experiments on a 57-meter cross-linked polyethylene


medium-voltage cable, the experimental results demonstrates the


effectiveness of the proposed three-dimensional wideband


impedance method.

Locating cable faults is of significant importance


for the stable operation of the power system. Currently,


mainstream methods like partial discharge testing and time-


domain reflectometry impact by issues like filtering distortions


and rapid attenuation of high-frequency signals, making it


difficult to accurately locate high-resistance cable faults. This


paper introduces a three-dimensional wideband impedance


localization method based on temperature gradients. The paper


provides a theoretical analysis of impedance at cable joints and


conducts experiments on a 57-meter cross-linked polyethylene


medium-voltage cable, the experimental results demonstrates the


effectiveness of the proposed three-dimensional wideband


impedance method.

重要日期

  • 会议日期

    12月08日

    2023

    至

    12月10日

    2023

  • 11月01日 2023

    初稿截稿日期

  • 12月10日 2023

    注册截止日期

主办单位
IEEE IAS
承办单位
Southwest Jiaotong University (SWJTU)
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