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A long-shunt compound-wound generator gives 240V. at full load output of 100 A. The resistances of various windings of the machine are: armature (including brush contact) of 0.1Ω, series field of 0.02Ω, shunt field of 100Ω. The iron loss at full load is 1000 W.; total windage and friction losses of 500 W. Calculate the full load efficiency of the machine.

A long-shunt compound-wound generator gives 240V. at full load output of 100 A. The resistances of various windings of the machine are: armature (including brush contact) of 0.1Ω, series field of 0.02Ω, shunt field of 100Ω. The iron loss at full load is 1000 W.; total windage and friction losses of 500 W. Calculate the full load efficiency of the machine.

Introductory Circuit Analysis (13th Edition)
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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A long-shunt compound-wound generator gives 240V. at full load
output of 100 A. The resistances of various windings of the machine
are: armature (including brush contact) of 0.1Ω, series field of 0.02Ω,
shunt field of 100Ω. The iron loss at full load is 1000 W.; total windage
and friction losses of 500 W. Calculate the full load efficiency of the
machine.

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