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Variable Speed AC Motor

Discussion in 'Electronic Repair' started by Phil, Jun 28, 2006.

  1. Phil

    Phil Guest

    Hello
    Am wondering if someone has had experience with or has built a Variable
    Freq. Drive for a brushless AC motor , I have a 1/12 HP motor for a welder
    fan , this is a sealed brushless motor that I would like to run at a slower
    speed , part of the time it would be at the full 1550 RPM and I would like
    to run it about half that speed , motor normally runs on 230 volt , have had
    it running for about an hour at 115 volt , does get a little warm , am not
    sure if it would last all day at that temp. , lowering voltage is a simple
    solution , not very efficient and breaks every rule , I just thought someone
    might have been down this road before and could give me a few words of
    wisdom , lots of [3] speed motors on the market , most of them have an open
    cage that lets all the dirt go inside , or go in the wrong direction , would
    really like to keep the motor I already have .
    Thanks
    Phil
     
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