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    smartz123's Avatar
    smartz123 Posts: 3, Reputation: 1
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    #1

    Feb 13, 2010, 08:14 PM
    Why three phase motors are more efficient than single phase
    So I did a science fair project on motors. Their efficiency and other stuff. I know three phase motors are more efficient than single phase but I don't know why. Can anyone help?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Feb 14, 2010, 05:42 AM
    You can start here:

    3 Phase Motors and Three Phase Electric Motor Models - The 3 Phase Power Resource Site
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