Consider a bank of three single-phase two-winding transformers whose high-voltage terminals are connected to a three-phase, \(13.8-\mathrm{kV}\) feeder. The low-voltage terminals are connected to a three-phase substation load rated 2.0 MVA and \(2.5 \mathrm{kV}\). Determine the required voltage, current, and MVA ratings of both windings of each transformer, when the high-voltage/lowvoltage windings are connected

(a) \(\mathrm{Y}-\Delta\),

(b) \(\Delta-\mathrm{Y}\),

(c) \(\mathrm{Y}-\mathrm{Y}\), and

(d) \(\Delta-\Delta\).