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Thread: phase converters

  1. #1
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    phase converters

    How does one figure out which one to buy? Have esab 875 Anyone else ever heard of this problem and/or what would be the solution?

  2. #2
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    Re: phase converters

    Which 875 do you have? Looks like some are 230v 1 or 3 phase,
    some 460 volt 3 phase, some 50 hz, etc. Didn’t see any 230v.
    60hz 3 phase.
    Miller a/c-d/c Thunderbolt XL
    Millermatic 180
    Purox O/A
    Smith Littletorch O/A
    Hobart Champion Elite

  3. #3
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    Re: phase converters

    230 v 50 hz

  4. #4
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    Re: phase converters

    Quote Originally Posted by Harryvan View Post
    230 v 50 hz
    Hey Harry, you forgot to mention yours is 3 phase!

  5. #5
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    Re: phase converters

    A pic of the rating plate would be immensely helpful.

  6. #6
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    Re: phase converters

    The stick and tig take a large converter.
    Mig welder takes a smaller size.

    I build mine it can be simple as using a single phase motor 3/4hp and a [three phase motor star wound 5hp] at same rpm. This will run very large welder

    Dave

    Quote Originally Posted by Harryvan View Post
    How does one figure out which one to buy? Have esab 875 Anyone else ever heard of this problem and/or what would be the solution?

  7. #7
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    Re: phase converters

    I believe you will get much more response if you post your question in the electrical section right here: https://weldingweb.com/vbb/forums/35-Electrical

  8. #8
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    Re: phase converters

    If your machine needs 50Hz, thats not something that a typical phase converter will be able to give you if it is operating off of 60Hz "power". It wont change the frequency of the input voltage waveform.
    1st on WeldingWeb to have a scrolling sig!



  9. #9
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    Re: phase converters

    In America it is 60Hz.
    I have only seen equipment that was both 50Hz and 60Hz.

    Dave

    Quote Originally Posted by Oscar View Post
    If your machine needs 50Hz, thats not something that a typical phase converter will be able to give you if it is operating off of 60Hz "power". It wont change the frequency of the input voltage waveform.

  10. #10
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    Re: phase converters

    Yes I'm aware of that. The OP mentioned 50Hz input, hence my post clarifying the difference.
    1st on WeldingWeb to have a scrolling sig!



  11. #11
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    Re: phase converters

    Sounds good👍

    Dave

    Quote Originally Posted by Oscar View Post
    Yes I'm aware of that. The OP mentioned 50Hz input, hence my post clarifying the difference.

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