首页/ 题库 / [单选题]晶闸管触发电路中,若使控制电压U

晶闸管触发电路中,若使控制电压UC=0,改变( ) 的大小,可使直流电动机负载电压Ud=0,使触发角α=90º。达到调定移相控制范围,实现整流、逆变的控制要求。

单选题
2022-04-02 12:50
A、同步电压
B、控制电压
C、偏移调正电压
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正确答案
C

试题解析

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