内部故障下高压SF_6气体绝缘金属封闭开关设备壳体状态的分析

ANALYSIS OF BURNING THROUGH MECHANISM OF HV SF_6 GIS UNDER THE CASE OF INTERNAL FAULT-ARC

介绍了SF6气体绝缘金属封闭开关设备发生内部故障电弧的危害 ,分析了发生故障时电弧使壳体烧穿及气压升高使壳体爆裂的产生机理 ,从而提出了在设计上应采取的措施。

This paper introduces the dangers caused by internal fault arc in GIS and discusses the mechanism of metal tank burning through and exploding, then proposes the improvement in design.