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In the operation of high-voltage coil equipment, partial discharge is a critical factor that endangers its safe and stable operation. To achieve high-precision and high-sensitivity monitoring of partial discharge within such equipment, this paper analyzed the quantum sensing theory based on diamond nitrogen-vacancy (NV) centers, constructed a quantum sensing experimental platform based on NV centers, and achieved sensitive monitoring of surrounding electric field strength changes by measuring the fluorescence signals emitted by diamond with NV centers. Partial discharge tests were conducted, and quantum sensing signals were measured at different voltage levels. By comparing the results with traditional partial discharge monitoring equipment, the accuracy of quantum sensing measurements was verified. When partial discharge occurred, the monitoring signal waveform exhibited distortion, which can serve as a criterion for identifying partial discharge. The quantum sensing measurement technology proposed in this paper provides a novel testing method for partial discharge monitoring in electrical equipment.

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Research on Partial Discharge Measurement Method Based on Diamond Nitrogen-Vacancy Centers

  • 会议论文

  • 发表日期：

    2026年

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  • Wang Xuelei,
  • Gu Chao,
  • Zhu Mengzhao,
  • Wang Jian,
  • Wang Xucheng,
  • Wang Yifan,
  • Zhu Zhaoxuan,
  • Chen Xingyu

摘要

In the operation of high-voltage coil equipment, partial discharge is a critical factor that endangers its safe and stable operation. To achieve high-precision and high-sensitivity monitoring of partial discharge within such equipment, this paper analyzed the quantum sensing theory based on diamond nitrogen-vacancy (NV) centers, constructed a quantum sensing experimental platform based on NV centers, and achieved sensitive monitoring of surrounding electric field strength changes by measuring the fluorescence signals emitted by diamond with NV centers. Partial discharge tests were conducted, and quantum sensing signals were measured at different voltage levels. By comparing the results with traditional partial discharge monitoring equipment, the accuracy of quantum sensing measurements was verified. When partial discharge occurred, the monitoring signal waveform exhibited distortion, which can serve as a criterion for identifying partial discharge. The quantum sensing measurement technology proposed in this paper provides a novel testing method for partial discharge monitoring in electrical equipment.