6SL3760-0HB00-0AA1
为了的描述此时的电流回路,我们+5V源使用一个Vbus电容来表示,此时电流的回路我们可以表示如下:
好了,这个电流回路是没问题的,我们说我们的驱动板支持正反转控制,那么在切换方向前,需要将之前开通的三极管给关闭,状态如下图所示:
这个时候我们来看啊,上一个状态时对电机绕组进行充电了,如果我们把H桥中的四个管子都关闭,那么电机绕组中的没有地方流动了,也就是说此时能量没有泄放回路了,假设我们把电机绕组看成电感的话,那么此时也就是电感断路了,是不是会对开关三极管造成损伤啊?
6SL3760-0HB00-0AA1
FIVE 2007 Rockwell Automation Allen Bradley Datebooks
2760-RB Allen Bradley 2760RB NEW Rockwell NEW in Box
1771-OQ16 Allen Bradley 1771OQ16 Rockwell NEW
2760-SFC1 Allen Bradley 2760SFC1 Rockwell NEW
1756-L55M12 Allen Bradley Rockwell ControlLogix NIB
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