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High-Resistance Fault Localization Method for Underground Cables Based on Three-Dimensional Wideband Impedance Spectra
编号：177 访问权限：仅限参会人 更新：2023-11-20 13:53:26 浏览：445次 张贴报告

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摘要
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.
关键词
underground cables; high resistance fault; broadband impedance spectrum; location detection
报告人
Yuhao Lan
graduate student The University of Sheffield

稿件作者
Yuhao Lan The University of Sheffield
Kaining Kuang The university of Sheffield
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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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