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Thread: Stel S300 on a 400V, 3-phase up-converting transformer

  1. #1
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    Stel S300 on a 400V, 3-phase up-converting transformer

    Christmas comes early. Received my Stel S300 plus a mystery box








    Conductors are tiny! Very little amperage needed.





    Checking the voltages. Nicely balanced, coming from the 3-phase transformer that is being fed from the 30HP rotary phase converter











    Can't wait to put it through it's paces.
    Last edited by Oscar; 09-18-2021 at 11:42 PM.
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  2. #2
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    Re: Stel S300 on a 400V, 3-phase up-converting transformer

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  3. #3
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    Re: Stel S300 on a 400V, 3-phase up-converting transformer

    Stel rates the machine to be able to use 8mm (5/16") carbons.....hmmm





    what do y'all think?
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  5. #4
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    Re: Stel S300 on a 400V, 3-phase up-converting transformer

    How much will it draw on the single phase side of the phase
    converter if you run the welder wide open?
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  6. #5
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    Re: Stel S300 on a 400V, 3-phase up-converting transformer

    Not sure. I don't have a setup to measure it atm.
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