How a three-phase power transformer responds to harmonics | EEP

SOLVED: Explain the different types of three-phase transformer connections and how they are used to provide single phase loads

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SOLVED: The three-phase ratings of a three-winding transformer are:Primary Y-connected, 66 kV, 15 MVASecondary Y-connected, 13.2 kV, 10 MVATertiary delta-connected, 2.3 kV, 5 MVANeglecting resistance, the leakage impedances have been tested to be Z12 = 7% on 15 MVA base, 66 kV baseZ13 = 9% on 15 MVA base, 13.2 kV baseZ23 = 8% on 10 MVA base, 2.3 kV basea) Find the per-unit impedances of the per-phase equivalent circuit for a base of 10 MVA and 66 kV.b) Draw per-unit equivalent circuit including

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