SSC JE Electrical 16 Nov 2022 Shift 3 Paper

​The effective resistance of a 2200 V, 50 Hz, 440 KVA, single-phase alternator is 0.5 Ω. On short circuit, a field current of 40 A gives the full load current of 200 A. The electromotive force on open circuit with same field excitation is 1160 V. Calculate the synchronous impedance.