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PMSM高速启动时间

Other Parts Discussed in Thread: DRV8301

1、我用drv8301 revd驱动PMSM,如果我把PMSM的扭矩限制值设定为50N.cm,则电机在1秒内可以从静止加速到40000RPM的额定速度。

2、我用drv8301 revd驱动PMSM,如果我把PMSM的扭矩限制值设定为5N.cm,则电机在30秒内可以从静止加速到40000RPM的额定速度,加速时间足足增加了30倍,有没有一种方法把PMSM的扭矩限制值设定为5N.cm,使电机在1秒内可以从静止加速到40000RPM的额定速度?