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which tap of the transormer you will use in critical
condition(worst)?
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Answer Posted / s.k.
For power TR's : 15,20,30,45,75 MVA , they have 21 taps
then the 2dry wdg. should meets the required kV
so , when the tap at the lower step( tap 1), it results the
lower kV at 2dry.
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