Why three phase motors are more efficient than single phase [Archive]

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smartz123

Feb 13, 2010, 08:14 PM

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

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 (http://www.3phasepower.org/3phasemotors.htm)