葛洲坝换流站事故分析及对策

Analysis and Contermeasure for Fault at Gezhouba Convertor Station

经分析研究认为，造成葛换站ＣＶＴ事故的原因是雨闪，建议在外绝缘的设计中应注重形状参数和最短弧距的选取。

This paper presents the analysis and study result of CVT fault caused by rain flash and proposes the selection of shape parameter and the shortest arc distance in external insulation design