The static contact of earthing switch is fixed on the conductive pipe of disconnector. The dynastic contact is installed on the end of earthing knife in the base.
接地开关静触头固定在隔离开关的导电管上，动触头安装在底座上的接地闸刀钢管的端部。
It indicates that the rotary-arc gap switch employing a sharp knife-edge electrode as a third trigger electrode can distinctly reduce the electrode erosion and prolong the lifetime of the switch.
在不同开关结构、不同电极材料和不同电流波形情况下对开关进行了单次触发放电实验，验证了旋转电弧、场畸变间隙开关能够有效地减轻开关电极的烧蚀程度；
It indicates that the rotary-arc gap switch employing a sharp knife-edge electrode as a third trigger electrode can distinctly reduce the electrode erosion and prolong the lifetime of the switch.
在不同开关结构、不同电极材料和不同电流波形情况下对开关进行了单次触发放电实验，验证了旋转电弧、场畸变间隙开关能够有效地减轻开关电极的烧蚀程度；
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