Question: 4 . A 3 4 star - connected salient - pole synchronous alternator, when feeding a lagging load ( pf 0 . 8 ) ,

4. A 34 star-connected salient-pole synchronous alternator, when feeding a lagging load (pf 0.8), mimics the regulation profile of an alternator with synchronous impedance Z =0.1+ j12. If a load draw 100 amp at 0.8 pf lagging while maintaining a terminal voltage level at 415 Volt, then find out the mechanical power applied through the prime-mover. Neglect mechanical losses.

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