Question: A single - phase, 5 0 0 V , 5 0 Hz alternator produces a short - circuit current of 1 7 0 A and

A single-phase, 500 V,50 Hz alternator produces a short-circuit current of 170 A and an open circuit emf of 425 V when a field current of 15A passes through its field winding. If its armature has an effective resistance of 0.2 Ohm, determine its full-load regulation at unity pf and at 0.8 p. f. lagging.

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