问题
单项选择题
当三相异步电动机的机械负载增加时,如定子端电压不变,其定子电流()
A.增加
B.减少
C.不变
答案
参考答案:A
当三相异步电动机的机械负载增加时,如定子端电压不变,其定子电流()
A.增加
B.减少
C.不变
参考答案:A
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