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  1. #1
    Doozer's Avatar
    Doozer is offline Stainless
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    Jul 2001
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    Buffalo NY
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    http://www.anaconsystems.com/text/opti_1.html

    Single phase output VFD. Expensive, yes.
    I suspect it is a 2 phase 90deg phase angle, like the old 2 phase here in Buffalo. Probably has seperate connections to the start and run windings.
    Not real practical, but I was surprised that they do exist, at least commercialy.

    --Doozer

  2. #2
    peterh5322's Avatar
    peterh5322 is offline Diamond
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    Dec 2002
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    Monterey Bay, California
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    "Not real practical, but I was surprised that they do exist, at least commercialy."

    Cheaper, and better, to buy a three-phase motor and matching drive.

  3. #3
    Jraef's Avatar
    Jraef is offline Titanium
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    Aug 2004
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    San Ramon, CA USA
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    Not 2 phase, that is something completely different. The output is single phase, but not very practical for machine tools. See my brief explanation in this thread; http://www.practicalmachinist.com/ub...ic/3/2247.html

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