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  1. bazoomba

    Transformer winding phase angle shift

    What is the phase angle difference between a HV delta 3 wire to LV wye 4 wire power transformer. I know the LV is either leading or lagging the HV by 30' but which is it?. The vector drawing on the transformer (not able to show symbols here) is a delta triangle with H1 at bottom left, H2 at the...

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