冲击：接近开关传感器的旋转位置传感可用。
Shocks: Proximity switch sensors available for rotary position sensing.
对三相电容器的暂态过程进行了研究，提出采用接触器和小电流晶闸管组成混合开关，实现了合闸时无冲击电流及分断时无电弧。
This paper researches on three phase capacitor transients, presents a combined switch constructed of contactor and low current thyristors to realize non surge close and non arcing break.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器，及自动控制器、DC/AC 变换器等构成。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
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