A d.c. shunt generator, runs at 1200 r.p.m. When the machine is driven at rated speed, the no-load saturation curve is shown below. What will be the e.m.f generator, If the field rheostat is adjusted to give a field current of 2.5 A and the machine is driven at 1050 r.p.m when the load current is at the rated value? * Armature voltage (V): 6 32 78 105 127 140 143 146 148 Field current (A) : 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 O 160V 122.5V O 111.125V O 145.142V

A d.c. shunt generator, runs at 1200 r.p.m. When the machine is driven at rated speed, the no-load saturation curve is shown below. What will be the e.m.f generator, If the field rheostat is adjusted to give a field current of 2.5 A and the machine is driven at 1050 r.p.m when the load current is at the rated value? * Armature voltage (V): 6 32 78 105 127 140 143 146 148 Field current (A) : 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 O 160V 122.5V O 111.125V O 145.142V

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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