A 15-hp 440-volt compound motor has a shunt-field resistance of 293 ohms and takes 28.5 amp at rated load when it operates at 1,150 rpm. What will be the horsepower output of the motor when ita speed is 1,070 rpm, under which condi- tion it takes 34.5 amp and the fiux is increased by 10 per cent?
A 15-hp 440-volt compound motor has a shunt-field resistance of 293 ohms and takes 28.5 amp at rated load when it operates at 1,150 rpm. What will be the horsepower output of the motor when ita speed is 1,070 rpm, under which condi- tion it takes 34.5 amp and the fiux is increased by 10 per cent?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A 15-hp 440-volt compound motor has a shunt-field resistance of 293 ohms and takes 28.5 amp at rated load when it operates at 1,150 rpm. What will be the horsepower output of the motor when ita speed is 1,070 rpm, under which condi- tion it takes 34.5 amp and the fiux is increased by 10 per cent?
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