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步进电动机的转速和转向是怎样控制的？
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步进电动机的转速和转向是怎样控制的？
时间：2022-02-24 04:59
关键词：
国家开放大学(数控机床电气控制)
CMS专题
专科
机械制造与自动化
答案解析
步进电动机受脉冲的控制，其转子的角位移量和转速严格地与输入脉冲的数量和脉冲频率成正比，改变通电顺序可改变步进电动机的旋转方向；改变通电频率可改变电动机的转速。
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