In a 110-V compound generator, the resistances of the armature, shunt and the series windings are 0.05 Q, 24 Q and 0.06 Q respectively. The load consists of 150 lamps each rated at 52 W, 110 V. Find the total electromotive force, armature current, mechanical power supplied and efficiency when the machine is connected (i) long shunt (ii) short shunt. The drop voltage of each .brush is 1V, the stray loss is 400W

In a 110-V compound generator, the resistances of the armature, shunt and the series windings are 0.05 Q, 24 Q and 0.06 Q respectively. The load consists of 150 lamps each rated at 52 W, 110 V. Find the total electromotive force, armature current, mechanical power supplied and efficiency when the machine is connected (i) long shunt (ii) short shunt. The drop voltage of each .brush is 1V, the stray loss is 400W

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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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

In a 110-V compound generator, the
resistances of the armature, shunt
and the series windings are O.05 Q,
24 Q and 0.06 2 respectively. The
load consists of 150 lamps each rated
at 52 W, 110 V. Find the total
electromotive force, armature
current, mechanical power supplied
and efficiency when the machine is
connected (i) long shunt (ii) short
shunt. The drop voltage of each
* .brush is 1V, the stray loss is 400W

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