摘要
介绍了SF6气体绝缘金属封闭开关设备(GIS)用接地开关,阐述在电网中不同使用情况下的性能分析及对不同性能接地开关的分类。
The paper introduces the earth switches for SF6 gas insulated switchgear （GIS）, analyses their performances in different working conditions and classifies them in terms of performances.
