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  1. JoshuaG

    ETAP: Star-Delta increases the phase-earth fault level upstream.

    Hi, I wonder if any of you could explain the phenomenon behind what is happening with my phase-earth fault currents? I’m modelling short circuit currents on ETAP, on a large 33/22/11kV network. The problem I am finding is that the phase to earth fault currents are higher when a star-delta...

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