问题详情

单相全控桥式整流大电感负载电路中,控制角α的移相范围是 ________ 。


A、<span style="font-size:14px;font-family: &#39;Times New Roman&#39;,&#39;serif&#39;">0</span><span style="font-size:14px;font-family:宋体">°~</span><span style="font-size:14px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">90</span><span style="font-size:14px;font-family:宋体">°</span>

B、<span style="font-size:14px;font-family: &#39;Times New Roman&#39;,&#39;serif&#39;">0</span><span style="font-size:14px;font-family:宋体">°~</span><span style="font-size:14px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">180</span><span style="font-size:14px;font-family:宋体">°</span>

C、<span style="font-size:14px;font-family: &#39;Times New Roman&#39;,&#39;serif&#39;">90</span><span style="font-size:14px;font-family:宋体">°~</span><span style="font-size:14px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">180</span><span style="font-size:14px;font-family:宋体">°</span>

D、<span style="font-size:14px;font-family: &#39;Times New Roman&#39;,&#39;serif&#39;">180</span><span style="font-size:14px;font-family:宋体">°~</span><span style="font-size:14px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">360</span><span style="font-size:14px;font-family:宋体">°</span>

时间:2021-07-17 23:24 关键词: 电力系统自动化技术 高起专 电力电子技术 2019级毕业清考(考试分) 2020年第二学期补考

答案解析

A