A three phase star connected alternator gives 575 V on open circuit when the field current is 10 A. For same field current, a full load current of 75 A is observed on short circuit. The armature resistance between terminals is 2.16 ohms. On 0.8 leading power factor of full load condition, induced emf per phase is 6000 V. Find its rated terminal voltage between the lines. Also calculate kVA rating of the alternator.

A three phase star connected alternator gives 575 V on open circuit when the field current is 10 A. For same field current, a full load current of 75 A is observed on short circuit. The armature resistance between terminals is 2.16 ohms. On 0.8 leading power factor of full load condition, induced emf per phase is 6000 V. Find its rated terminal voltage between the lines. Also calculate kVA rating of the alternator.

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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