Question: Regulating transformer 220/10.5 kV with per unit reactance of 12.5% on 100 MVA base, has taps on high voltage side 10 1.5%. Determine parameters for

Regulating transformer 220/10.5 kV with per unit reactance of 12.5% on 100 MVA base, has taps on high voltage side 10 1.5%. Determine parameters for a equivalent circuit in actual units (admittance in S) for three tap positions: neutral position n = 0 n = 10 and n = - 10 Draw equivalent circuit for all three cases

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