Determine voltage and current of single-phase transformer, Electrical Engineering

Q. Three identical single-phase transformers are to be connected to form a three-phase bank rated at 300 MVA, 230:34.5 kV. For the following configurations, determine the voltage, current, and kVA ratings of each single-phase transformer:

(a) Δ , (b) Y- , (c) Y-Y, (d) ΔY.

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