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Thread: Blower Motor Control

  1. #16
    Electrical Contractor/Instructor jwelectric's Avatar
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    Please don’t be shy, explain

  2. #17
    General Engineering Contractor ballvalve's Avatar
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    Quote Originally Posted by Giles View Post
    Can I use a variable speed switch with this type motor?
    http://www.surpluscenter.com/item.as...tname=electric
    that was the question, fasco answered it for free with this elegant solution:http://www.surpluscenter.com/item.as...tname=electric.

    Why not open a new fun thread and duke it our about speed controllers on the hundreds of types of motors made.

  3. #18
    Electrician ActionDave's Avatar
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    You can change speeds on a motor by varying the frequency or the voltage, but you don't need to do both.

  4. #19
    Jack of all trades DonL's Avatar
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    Other than Ballvalve's Idea.

    The cheapest way to change the speed of a brush-less AC motor, Is to use Capacitors or / and Resistors.
    Last edited by DonL; 11-03-2011 at 07:08 AM. Reason: Op Error
    Theory only works perfect in a vacuum.

    Cyber Security Protection for Windows C:\ > WWW.WinForce.Net

  5. #20
    DIY Senior Member BobL43's Avatar
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    Quote Originally Posted by ActionDave View Post
    You can change speeds on a motor by varying the frequency or the voltage, but you don't need to do both.
    Depends (not the underware type) http://cr4.globalspec.com/thread/550...wer-and-Torque
    I am definitely not a pro plumber, but I am a pro crastinator

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