A 500 KVA,3.3 KV,50 Hz,600 rpm,3 phase salient pole alternator has 180 turns/phase. Calculate the length of the air gap ,if the average flux density is 0.54 Wb/m2;ratio of pole arc to pole pitch is 0.66;SCR is 1.2; the gap contraction factor is 1.15 and winding factor is 0.955.The mmf required for air gap is 80% of no load field mmf....

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Answered: A 500 KVA,3.3 KV,50 Hz,600 rpm,3 phase…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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A 500 KVA,3.3 KV,50 Hz,600 rpm,3 phase salient pole alternator has 180 turns/phase. Calculate the length of the air gap ,if the average flux density is 0.54 Wb/m²;ratio of pole arc to pole pitch is 0.66;SCR is 1.2; the gap contraction factor is 1.15 and winding factor is 0.955.The mmf required for air gap is 80% of no load field mmf..

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