介绍了长间隙触发真空开关动作特性的实验研究，包括工作过程、触发可靠性、触发时延以及抖动时间。
In this paper, some experimental results about action characteristic of long gap triggered are presented, including working process, triggering reliability, time-delay of triggering and shaky time.
其基本保护采用零序过电压保护，动作时间采用反时限特性；
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
通过实验检测了开关的耐压特性以及不同电压下的开关动作延迟时间和抖动。
The delay time and jitter of the switch at different voltages have been measured respectively through tests.
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