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Motor Auto transformer

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    Motor Auto transformer

    Good day everyone

    I would like to know different types of tests you can do on a Motor auto transformer

    Regards

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    Dec 2014
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    Houston, TX
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    Quote Originally Posted by Mabongi View Post
    Good day everyone

    I would like to know different types of tests you can do on a Motor auto transformer

    Regards
    Hi Mabongi,

    Three Phase TTR
    Winding Resistance
    Single Power Factor (Winding to Ground)
    Polarization Index (w/ Megger) or just Megger the windings to ground.

    Out of all of these, the Megger, TTR and Winding Resistance are most important.

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