当故障发生在3相4线系统中的一相时,其它两相的对地电压就升高(约升高20%)。 好评(0)
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).
当故障发生在3相4线系统中的一相时,其它两相的对地电压就升高(约升高20%)。 好评(0)
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).
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