A.定子電壓和電流 B.轉(zhuǎn)子電壓和電流 C.定子旋轉(zhuǎn)磁場(chǎng)和轉(zhuǎn)子磁場(chǎng)
A.增大 B.減小 C.不變
A.故障點(diǎn) B.電源點(diǎn) C.中性點(diǎn)