提出作为合闸原动力一部分的触头自闭力也是影响真空断路器合闸弹跳的一个重要因素。
It's concluded that the contact closing force as a part of the original power for closing is also an important factor affecting the closing bouncing of vacuum circuit breaker.
高压开关在合闸时，触头碰撞会产生很大的冲击力，不仅对操动机构造成很大震动、使触头及杆件弯曲变形，而且会造成碰撞后，触头产生弹跳。
It not only makes the operating mechanism shocked hardly and the contactor and poles distorted, but also cause the bounce of contactor after the impact.
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