This paper describes briefly the physical phenomenon of internal arcing fault, and discusses some mathematic models for calculation. Finally, some protection measures...
笔者简单叙述了内部电弧故障的基本物理现象，讨论了几种数学计算模型，并提出了一些防护内部电弧故障的措施。
Flammable gas found in the relay indicates some internal fault such as overheating or arcing, whereas air found in the relay may only indicate low oil level or a leak.
如果在继电器中发现可燃气体，这说明有内部故障，比如过热或者电弧作用；而继电器内的空气只说明油位低或者有漏油。
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