Re: [CAD_CAM_EDM_DRO] SPINDLE 15KRPM

ers2001ckk wrote:

>Using a normal frequency drive to drive 3phase ac servo motor
>without encorder
>Any comments from the Gurus
>

A VFD can probably be set up to drive AC INDUCTION servo motors.
But, they won't drive AC permanent magnet motors. I guess if the
motor is made without encoder or Hall sensors, then it is likely to
be an induction motor.

Jon