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什么是步进电机的使用特性?

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2022-03-01 17:15
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正确答案

步距误差
步距误差直接影响执行部件的定位精度。
最大静转矩
是指步进电动机在某相始终通电而处于静止不动状态时,所能承受的最大外加转矩,亦即所能输出的最大电磁转矩,它反映了步进电动机的制动能力和低速步进运行时的负载能力。
启动矩一频特性
空载时步进电动机由静止突然启动,并不失步地进入稳速运行所允许的最高频率称为最高启动频率。启动频率与负载转矩有关。
运行矩频特性
步进电动机连续运行时所能接受的最高频率称为最高工作频率,它与步距角一起决定执行部件的最大运行速度。
最大相电压和最大相电流
分别是指步进电动机每相绕组所允许施加的最大电源电压和流过的最大电流。


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