• 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=
    A: 100[img=24x25]1803db079dd2f6f.png[/img]sin(wt-150°)
    B: 100[img=24x25]1803db079dd2f6f.png[/img]sin(wt+90°)
    C: 100sin(wt-150°)
    D: 100sin(wt+90°)