A 25 kVA, 2200/220 V, 60 Hz, single-phase transformer has the following equivalent-circuit parameters referred to the high-voltage side.
The transformer is supplying 17.5 kVA at 220 V and a lagging power factor of 0.8. Use the equivalent Cantilever model circuit of the transformer shown in Figure 4.16. Determine:
A. The magnitude of the required primary voltage.
B. The power factor of the primary side, the input kVA, and the efficiency of the transformer.
