Gaoya dianqi文中介绍了72.5 kV及以上气体绝缘金属封闭开关设备（简称GIS）常用的3种结构类型的三工位隔离接地开关：双导电杆连杆传动的三工位隔离接地开关、滚珠丝杠传动的三工位隔离接地开关、齿轮齿条传动的三工位隔离接地开关。这3种三工位隔离接地开关有别于传统的旋转闸刀式结构，都是属于国内外主流的动触头直动插入式结构。通过对这3种三工位隔离接地开关结构、滑动电联接形式以及运动形式的阐述，分析了各种结构的优势，为GIS核心模块部件的改进和优化设计提供技术指导。
吴小虎 +6 more
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