Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Gear Motor
A gear motor is a combination of a gearbox and an electric motor. This combination of two systems is used for efficient usage of the motor. It makes a cost-effective solution for high torque, low-speed applications. These motors are used in our household…
Question
DC4 A shunt DC motor has a no-load speed of 1200 rpm. When a mechanical load with a torque of 120 Nm is connected to the shaft of the motor, the motor runs with a rpm. speed of 1120 rpm. If the loading condition is doubled, the new speed of the motor will be (The motor has compensating windings and armature reaction is neglected.)
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Transcribed Image Text:DC4 A shunt DC motor has a no-load speed of 1200 rpm. When a mechanical load with a torque of 120 Nm is connected to the shaft of the motor, the motor runs with a rpm. speed of 1120 rpm. If the loading condition is doubled, the new speed of the motor will be (The motor has compensating windings and armature reaction is neglected.)
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