220kV变压器油纸电容式套管缺陷分析

Defect Analysis on 220 kV Transformer Oil-immersed Capacitor Bushing

介绍一起因末屏接地不良造成变压器油纸电容式套管油色谱严重超标故障,从套管结构、安装方式等方面对缺陷产生的原因进行分析,并提出了有针对性的建议。

This paper introduces an oil chromatogram overproof defect in oil impregnated paper condenser bushing for transformer, which caused by bad grounding of top shield. The reason of this defect is analyzed, and the idiographic preventive measures is proposed.