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To address the problems of difficult pre-judgment of power line faults, unrecognized faults, and difficult post-fault location, a power line fault diagnosis scheme based on wavelet transform is proposed. The fault types of 10 kV power line and their impact on the power grid are analyzed. The fault location algorithm was studied, and the power line fault diagnosis process and online monitoring device were designed. The validity and feasibility of the proposed method were verified using a real model. This method can effectively solve the problem of power line fault diagnosis and location in distribution networks. The large-scale application of the developed online monitoring device can significantly improve the safety and stability of distribution networks.

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Research and Implementation of Power Line Fault Diagnosis Technology Based on Wavelet Transform

  • 会议论文

  • 发表日期：

    2026年

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  • Mingfeng Shi,
  • Yuke Zhao,
  • Feifei Liu,
  • Baolei Jia,
  • Gaowu Huang,
  • Jie Shui

摘要

To address the problems of difficult pre-judgment of power line faults, unrecognized faults, and difficult post-fault location, a power line fault diagnosis scheme based on wavelet transform is proposed. The fault types of 10 kV power line and their impact on the power grid are analyzed. The fault location algorithm was studied, and the power line fault diagnosis process and online monitoring device were designed. The validity and feasibility of the proposed method were verified using a real model. This method can effectively solve the problem of power line fault diagnosis and location in distribution networks. The large-scale application of the developed online monitoring device can significantly improve the safety and stability of distribution networks.