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With the continuous evolution of smart grid technology, smart substations, as a vital part of the power grid, play a crucial role in ensuring the safety and stability of its operation. The secondary circuit, a key element within smart substations, not only undertake basic functions such as protection, measurement, and control but also incorporate advanced functions like condition monitoring and fault recording analysis. Therefore, online monitoring and fault diagnosis of these circuits are of great value in ensuring the continuous and stable operation of the entire substation. This paper first analyzes the characteristics of the secondary circuit of smart substations and the importance of fault diagnosis. Subsequently, it delves into the online monitoring technology of the secondary circuit and focuses on the fault diagnosis methods.

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Research on Fault Diagnosis Methods for Secondary Circuits in Smart Substations

  • 会议论文

  • 发表日期：

    2025年

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  • Lei Wang,
  • Jingrong Zheng,
  • Hualiang Zhou,
  • Yulong Pei,
  • Zhiyu Chang,
  • Chao Fan,
  • Dongqing He,
  • Liang Lv

摘要

With the continuous evolution of smart grid technology, smart substations, as a vital part of the power grid, play a crucial role in ensuring the safety and stability of its operation. The secondary circuit, a key element within smart substations, not only undertake basic functions such as protection, measurement, and control but also incorporate advanced functions like condition monitoring and fault recording analysis. Therefore, online monitoring and fault diagnosis of these circuits are of great value in ensuring the continuous and stable operation of the entire substation. This paper first analyzes the characteristics of the secondary circuit of smart substations and the importance of fault diagnosis. Subsequently, it delves into the online monitoring technology of the secondary circuit and focuses on the fault diagnosis methods.