singe phase to three phase converter

Discussion in 'General Electronics Chat' started by TAKYMOUNIR, Aug 9, 2011.

  1. TAKYMOUNIR

    Thread Starter Active Member

    Jun 23, 2008
    351
    1
    hi i need help in convert 120 VAC single phase to 480 VAC THREE PHASE
     
  2. tom66

    Senior Member

    May 9, 2009
    2,613
    214
    I don't think what you ask is easy. It's possible, but requires converting the AC to DC, and then converting the DC to three phase AC.
     
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  3. strantor

    AAC Fanatic!

    Oct 3, 2010
    4,302
    1,988
    what do you want to power with the 480V 3phase?
     
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  4. #12

    Expert

    Nov 30, 2010
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    6,797
    There is a machine you can buy that powers a motor with the 120V and the motor turns a 3 phase generator. How many killowatts do you need?
     
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  5. Jaguarjoe

    Active Member

    Apr 7, 2010
    770
    90
    Google around for an "RPC" or rotary phase converter. A single phase motor spins a 3ph motor which acts as a generator. You need a relay box or something or other like that which can be easily built or bought. Tons of them on eBay in many sizes. Many serious woodworkers and home machinists use them to power their equipment.
     
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  6. electronis whiz

    Well-Known Member

    Jul 29, 2010
    519
    27
    i would think you could just get a transformer
     
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  7. #12

    Expert

    Nov 30, 2010
    16,284
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    The local electric power company uses 3 transformers to create 3 phase power. and no, I don't have a drawing of it.
     
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  8. strantor

    AAC Fanatic!

    Oct 3, 2010
    4,302
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    sure, you could use a transformer and get 480V single phase. where will the other phase come from? There are a few methods to accomplish this, but without knowing the application can't very well recommend one. OP still has not replied so I think we've been "hit & run"
     
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