A 25 kVA, 2200/220 V, 60 Hz, single-phase transformer has the following equivalent-circuit parameters referred to the high-voltage side.
![1499_e30b32aa-e119-41a9-a62e-b1859bbbb744.png](https://secure.tutorsglobe.com/CMSImages/1499_e30b32aa-e119-41a9-a62e-b1859bbbb744.png)
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.
![622_20b20fc0-fce7-4764-9ae1-1f19099ef0dd.png](https://secure.tutorsglobe.com/CMSImages/622_20b20fc0-fce7-4764-9ae1-1f19099ef0dd.png)