发表于:2003-12-03 20:51:00
楼主
首先这个不知是不是输入缺相
supply loss: one or more of the power(input) supply phases is open-circuit.
而这两个又是什么呢?
power supply: one or more of the intemal power supplies is out of tolerance.
phase seqvence: connections to E1 and E3 are not the same phases as are connected to L1 and L3 investigate and correct.