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Direction Reversal Of Single Phase AC Motors (Drill) Circuit

Discussion in 'SimTools compatible interfaces' started by dwain, Nov 7, 2011.

  1. dwain

    dwain New Member

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    Hi Fellow X-Simmers

    I don't know if this will be useful to anybody but it might help with those of you (including me) looking into using cost effective AC motors such as those found in power tools, washing machines, pool pumps etc..

    Three of the concerns I have had whilst researching AC motors where the following

    1. Direction change (Not as simple as DC reversal of polarity)
    2. Speed Control (Not as simple as sticking a potentiometer in the mix)
    3. High cost of certain AC motors

    So after doing some more research on the (cheap) direction reversal of Single Phase AC (Drill Motors) I have found the following document showing you how to wire up a simple circuit to change the direction of AC motors using DPDT switches or relays, here is an extract:

    Download the document here

    This coupled with the PWM circuits to control Single Phase AC motor speed such as the Velleman K2636 kits I think may just be the answer to using cost effective AC motors.
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