一起750 kV 变压器放电故障的定位与分析
일기750 kV 변압기방전고장적정위여분석
Location and analysis of a discharge fault in a 750 kV transformer
  • 万方数据
    电测与仪表 전측여의표
    ELECTRICAL MEASUREMENT & INSTRUMENTATION
    2014年 24期 28-31 ,共4页

    李秀广%吴旭涛%韩四满%刘世涛

    리수엄%오욱도%한사만%류세도

    电力变压器%铁心接地电流%超声定位 電力變壓器%鐵心接地電流%超聲定位
    전력변압기%철심접지전류%초성정위
    power transformer%core ground current%ultrasound positioning
    一台750 kV变压器在油色谱分析中检出乙炔，并呈增长趋势，为了分析该变压器故障原因，对该变压器进行了带电测试，结合绝缘油试验进行了综合分析，明确了故障原因，找到了放电位置，避免了事故的发生。
    일태750 kV변압기재유색보분석중검출을결，병정증장추세，위료분석해변압기고장원인，대해변압기진행료대전측시，결합절연유시험진행료종합분석，명학료고장원인，조도료방전위치，피면료사고적발생。
    The acetylene is detected in a 750kV transformer with oil chromatographic analysis, and it shows a growing trend.To analysis the reason of the transformer fault, the transformer is charged and tested.The cause of the fault is determined with insulating oil test.Therefore, the discharge position is found, and the accident is avoided.
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