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Analysis and Treatment of Chromatogram Analysis Abnormality in an 110kV Transformer
Author(s): 
Pages: 52-54
Year: Issue:  3
Journal: Guangxi Electric Power

Keyword:  变压器色谱分析直流电阻故障判断;
Abstract: 通过对宁波电业局投运2年的110 kV变压器油色谱跟踪分析,发现H2、总烃、C2H2等特征气体超标.为消除此故障,检修人员结合油质分析、高压试验与运行工况的状态诊断方法,准确地判断出主变故障类型,并找到了故障的原因是C相高压侧第5调压绕组T型焊接不良,经处理后该主变运行正常.
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