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Q1. Two 440 V three phase alternators operating in parallel supply the following loads:

- 1200 kVA at 0.8 lag

- 900 kW at U.P.F.

- 450 kW at 0.75 lead

Calculate EACH of the following, if one alternator provides 1200 KW at unity power factor:

(a) The power factor of the second alternator;

(b) The output current of the second alternator;

(c) The total current supplied to the three loads.