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  1. rayporter

    Avail Fault Current from three single-phase XFMRS

    Thank you Waross! What happens if the primary is Wye? Thanks again.
  2. rayporter

    Avail Fault Current from three single-phase XFMRS

    I'm trying to calculate the available fault current for a 3-phase service. It's easy if the utility transformer is a conventional 3-phase XFMR, but I'm not sure what to do when it's three single-phase XFMRS. I've seen it before, but in this case we have one 75kVA (2% Z) and two 37.5kVA (1.7%...

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