• 2022-06-09
    对称正序三相电源电压Y连接,若相电压uA=100sin(wt-60°),则线电压uBC=
    未知类型:{'options': ['100[img=24x25]17de8fac5b83548.png[/img]sin(wt-150°)', '100[img=24x25]17de8fac5b83548.png[/img]sin(wt+90°)', '100sin(wt-150°)', '100sin(wt+90°)'], 'type': 102}