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    candlqr1's Avatar
    candlqr1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 4, 2013, 12:11 PM
    I have a 220 3 phase compressor and I want to wire it 220 single phase
    How do I wire a 3 phase motor on my air compressor to run on220 single phase (2x 120V normally used from a dryer plug) I have 120v on 2 wires and ground from main. I have 3 phase wires, ground and neutral coming from the motor. Will it work and if so how do I wire it up?
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #2

    Dec 4, 2013, 12:21 PM
    Not do-able unless you want to burn up the motor.

    A three phase motor is looking for input on all three phase legs (spaced 120 degrees apart). Even the loss of a single phase will cause the motor to overheat and burn up.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #3

    Dec 4, 2013, 01:38 PM
    You need a rotary phase converter. Might be cheaper to buy a used 240 single phase motor. Check Northern Tool or Harbor Freight for a new motor.
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