A shunt motor takes 40 amp at 112 volt under full load. When running without load at the same speed, it takes 3 amp at 106 volts. The field resistance is 100 ohms and the armature resistance is 0.125 ohm. What horsepower does it deliver at full load and what is its commercial or over-all efficiency?
A shunt motor takes 40 amp at 112 volt under full load. When running without load at the same speed, it takes 3 amp at 106 volts. The field resistance is 100 ohms and the armature resistance is 0.125 ohm. What horsepower does it deliver at full load and what is its commercial or over-all efficiency?
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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