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1769-IQ32
由于该电机具有非常广泛的应用,三相感应电机的速度控制可以带来额外的优势。
现在,让我们看看如何在这个电机中实现速度变化。感应电机的速度是速度或磁场不旋转的函数,换句话说,是频率和定子上产生的磁极数。
N= 120F/P 其中“N”是电机的转速,“P”是定子上产生的极数,“F”是馈入定子的电源频率。因此,通过改变极数或频率,我们可以控制感应电机的速度。
定子绕组可以以不同的方式连接,两个基本端子连接是星形或三角形。
在 delta 中,全相间电压施加在绕组上,而 instar 仅是线电压或相间电压的三倍,并连接在两个绕组上。从而影响电机提供的扭矩。
三相感应电动机的铭牌显示了两种连接类型,即三角形和星形。
现在让我们看看三相感应电动机的应用。
三相感应电机因其几乎恒定的速度、转矩和低维护而具有广泛的应用。
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