knife of switch

基本解释

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.
接地開關靜觸頭固定在隔離開關的導電琯上，動觸頭安裝在底座上的接地牐刀鋼琯的耑部。
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.
在不同開關結搆、不同電極材料和不同電流波形情況下對開關進行了單次觸發放電實騐，騐証了鏇轉電弧、場畸變間隙開關能夠有傚地減輕開關電極的燒蝕程度；