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PWM frequency

2828 Views 2 Replies 2 Participants Last post by  nogas1, 
N
300Amp 48v 4khz controller, for ev can any 1 tell me if 4khz is ok (i dont mind the ween).

Is there any reason why i should not continue operate my ev motor at 4khz.

Thanks.
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EVfun
I doubt there are many here that can field the question with the knowledge and experience to answer with authority. I can say that controllers in the past have operated around that frequency and even lower. It should be fine to do that, but the motor will whine.
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Thank u EVfun, u hav put my mind at ezz.
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