1. A 30-kVA, 440-V, 50-Hz, 3-0, star-connected synchronous generator gave the following test data : Field current (A) 4. 6. 7 8. 10 12 14 Terminal volts 155 287 395 440 475 530 570 592 S.C. current 11 22 34 40 46 57 69 80 Resistance between any two terminals is 0.3 2 Find regulation at full-load 0.8 p.f. lagging by (a) synchronous impedance method and (b) Rothert's ampere-turn method. Take Z, corresponding to S.C. current of 80 A. |(a) 51% (b) 29,9%]

1. A 30-kVA, 440-V, 50-Hz, 3-0, star-connected synchronous generator gave the following test data : Field current (A) 4. 6. 7 8. 10 12 14 Terminal volts 155 287 395 440 475 530 570 592 S.C. current 11 22 34 40 46 57 69 80 Resistance between any two terminals is 0.3 2 Find regulation at full-load 0.8 p.f. lagging by (a) synchronous impedance method and (b) Rothert's ampere-turn method. Take Z, corresponding to S.C. current of 80 A. |(a) 51% (b) 29,9%]

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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