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Large transformers

Discussion in 'Electronic Basics' started by Smelly, Sep 5, 2003.

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  1. Smelly

    Smelly Guest

    I have a few large large transformers. When I hook up primary to
    120VAC without load on seconday, the circuit transformer will buzz and
    circuit breaker on AC line will trip.

    This is not usually the case with wall wort and other small
    transformers.

    Why does this occur??

    How do I hook up a big transformer to determine voltage and current so
    it does not trip AC line breaker????

    TIA for info.
     
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