單項選擇題電動機空載電流過大,說明電動機()
A.轉(zhuǎn)子匝數(shù)偏多
B.定子匝數(shù)偏少
C.定子匝數(shù)偏多
D.轉(zhuǎn)子匝數(shù)偏少
A.轉(zhuǎn)子匝數(shù)偏多
B.定子匝數(shù)偏少
C.定子匝數(shù)偏多
D.轉(zhuǎn)子匝數(shù)偏少