如果气隙太小，当触点开路时就会形成电弧，并且电流继续流通。
If the gap is too small, an arc may develop when the contacts open and current continues to flow.
还发现触头材料的电弧烧损主要是触点在断开和闭合的过程中，产生电弧或其它放电现象的热效应所造成的。
And also, the electric arc erosion of contact materials is engendered by heat effect of arc and other discharge phenomenon during the open and close of electric contact materials.
研究了触点分离初速度(动触点与静触点刚刚分离时刻的动触点速度)对电弧能量的影响。
This paper emphasizes on the influences of arc energy by the contact breakaway initial velocity that is the velocity of moving contact at the time of moving contact and stationary contact breaking.
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