3.1. /A three-phase, 318.75-kVA, 2300-V alternator has an armature resistance of 0.35 N/phase and a synchronous reactance of 1.2 /phase. Determine the no-load line-to-line generated voltage and the voltage regulation

at (a) Full-load kVA, 0.8 power factor lagging, and rated voltage. (b) Full-load kVA, 0.6 power factor leading, and rated voltage.