问题详情

设K为通电方式系数,M为励磁绕组的相数,Zr为转子齿数,n为转速,则脉冲电源的频率f的计算公式为(    )。


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<img src、"http://hebei.ouchn.cn/pluginfile.php/72057/question/answer/1275773/26/288360/7.png" alt="" width="76" height="41">

<img src、"http://hebei.ouchn.cn/pluginfile.php/72057/question/answer/1275773/26/288361/8.png" alt="" width="71" height="41">

<img src、"http://hebei.ouchn.cn/pluginfile.php/72057/question/answer/1275773/26/288362/9.png" alt="" width="73" height="41">

时间:2021-07-17 19:58 关键词:

答案解析

<img src="http://hebei.ouchn.cn/pluginfile.php/72057/question/answer/1275773/26/288359/6.png" alt="" width="83" height="41">