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当三相交流发电机的三个绕组接成星形时,若线电压uBC=380sinωtV,则相电压uC=()V。

单选题
2022-01-21 16:17
A、220sin(ωt+90°)
B、220sin(ωt-30°)
C、220sin(ωt-150°)
D、220sin(ωt+60°)
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正确答案
C

试题解析

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