题目内容
某三相异步电动机的额定数据如下:PN=5.5kW,nN-144r/min,,UN=380V,fN=501Hz,
N=0.855,cos
=0.84,∆接法,则额定运行时输入电流等于( )。
2025-10-20
A.8.3A
B.11.4A
C.9.8A
D.11.6A
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