protective gap 带电部分与地之间用以限制可能发生最大过电压的间隙。
本文简单介绍了国外采用便携式保护间隙时的绝缘配合原则和试验方法。
The article briefly introduce the testing method and the principle of insulation co-ordination for portable air gaps abroad.
法国雷击防护协会提醒在大部分场合谨慎使用火花间隙保护器。
The French Lightning Protection Association cautions against the use of Spark Gap protectors in most applications.
图纸内容还应包括材料部件编号,间隙公差,表面机械加工符号,热处理信息,表面保护,材料重量,以及其他的必要内容。
Drawings will also include the material part Numbers, tolerances clearances, surface machining symbols, heat treatment information, surface protection, material weight and other necessary information.
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