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This article focuses on tracking and detecting the excessive attention value of acetylene reported by the online monitoring device of the oil this article focuses on tracking and detecting the excessive attention value of acetylene reported by the online monitoring device of the oil spectrum of a forced oil air-cooled transformer in a 220kV substation. By comparing the measured value with the online monitoring value, it is determined that the fault indeed exists. By comparing the measured value with the online monitoring value, it is determined that the fault indeed exists. A list of oil pump input and output sequences was established, and it was ultimately determined that there was a fault in the No. 5 oil pump and no fault in the No. 5 oil pump. A list of oil pump input and output sequences was established, and it was ultimately determined that there was a fault in the No. 5 oil pump and no fault in the transformer body. After replacing the No. 5 oil pump, the acetylene value decreased to within the qualified range. After replacing the No. 5 oil pump, the acetylene value decreased to within the qualified range. Upon disassembling the oil pump, it was discovered that there were cracks and discharge marks on the rotor.

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Analysis and Handling of Abnormal Oil Chromatogram in a 220 kV Main Transformer

  • 会议论文

  • 发表日期：

    2025年

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  • Weixing Jiao,
  • Yanjie She,
  • Huanyu Sun,
  • Hengxing Shi

摘要

This article focuses on tracking and detecting the excessive attention value of acetylene reported by the online monitoring device of the oil this article focuses on tracking and detecting the excessive attention value of acetylene reported by the online monitoring device of the oil spectrum of a forced oil air-cooled transformer in a 220kV substation. By comparing the measured value with the online monitoring value, it is determined that the fault indeed exists. By comparing the measured value with the online monitoring value, it is determined that the fault indeed exists. A list of oil pump input and output sequences was established, and it was ultimately determined that there was a fault in the No. 5 oil pump and no fault in the No. 5 oil pump. A list of oil pump input and output sequences was established, and it was ultimately determined that there was a fault in the No. 5 oil pump and no fault in the transformer body. After replacing the No. 5 oil pump, the acetylene value decreased to within the qualified range. After replacing the No. 5 oil pump, the acetylene value decreased to within the qualified range. Upon disassembling the oil pump, it was discovered that there were cracks and discharge marks on the rotor.