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  1. #1
    Join Date
    Jun 2010
    Posts
    4256

    Re: Open source low cost servomotor controller

    150A or 75A current through that PCB those FETs, those wires and those connectors?
    Really?????
    Cheers
    Roger

  2. #2
    Join Date
    May 2016
    Posts
    41

    Re: Open source low cost servomotor controller

    Quote Originally Posted by RCaffin View Post
    150A or 75A current through that PCB those FETs, those wires and those connectors?
    Really?????
    Cheers
    Roger
    Yeah ;D
    This is not a continuous rating, but peak rating. The continuous rating will be significantly less than that.
    But it is the peak rating that is important, as the the torque peaks only during the first bit of acceleration in a move, and the last bit of deceleration. If you are using the torque to push continuously into a workpiece, the system should be dimensioned such that you would use much less current for that.

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