magnetic variable是什么意思

用法例句

It is concluded that the single phase grounding faults occurred in low voltage sides of excitation transformer can t be effectively protected by existing protection scheme and may cause improper operation of rotor grounding relay.

发生在励磁变低压侧的单相接地故障无法通过现有的保护方案提供有效保护,但却可能引起转子接地保护的误动。