An alternator rated for 490 kVA, 3.3kV, 10 poles, 3 phase, 50 Hz, Delta connected has 182 term per phase, Determine length of air gap. Given: Bay =0.54 weber/m² Pole are to pole pitch ratio= 0.66 SCR = 1.2, Gap contraction factor = 1.15, Winding factor = 0.95 Mmf for air gap is 80% of number load field mmf Field form factor = 0.68.

An alternator rated for 490 kVA, 3.3kV, 10 poles, 3 phase, 50 Hz, Delta connected has 182 term per phase, Determine length of air gap. Given: Bay =0.54 weber/m² Pole are to pole pitch ratio= 0.66 SCR = 1.2, Gap contraction factor = 1.15, Winding factor = 0.95 Mmf for air gap is 80% of number load field mmf Field form factor = 0.68.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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