The table gives data for open circuit and short circuit tests on a 6 pole, 440 V, 50 Hz, 3 phase star connected alternator. The effective ohmic resistance between any two terminals of the armature is 0.3 ohm. Field current (A) 2 4678 10 12 14 oC Vitage (V) 156 288 396 440 474 530 568 592 S.C current 11 22 34 40 46 57 69 80 Find the regulation at full load current of 40 A at 0.8 power factor lagging, using emf method and mmf method.

The table gives data for open circuit and short circuit tests on a 6 pole, 440 V, 50 Hz, 3 phase star connected alternator. The effective ohmic resistance between any two terminals of the armature is 0.3 ohm. Field current (A) 2 4678 10 12 14 oC Vitage (V) 156 288 396 440 474 530 568 592 S.C current 11 22 34 40 46 57 69 80 Find the regulation at full load current of 40 A at 0.8 power factor lagging, using emf method and mmf method.

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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