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A DC series motor is driving a loa whose torque is constant and independent of the speed. The motor speed is increased from 1000 RPM to 1200 RPM by

A DC series motor is driving a loa whose torque is constant and independent of the speed. The motor speed is increased from 1000 RPM to 1200 RPM by

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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Question
A DC series motor is driving a load whose torque is constant and independent of the speed. The motor speed is increased from 1000 RPM to 1200 RPM by connecting a diverter resistance across its field. Find the Armature to the field winding current. Assume negligible drop across the field winding and a linear magnetic circuit
Transcribed Image Text:A DC series motor is driving a load whose torque is constant and independent of the speed. The motor speed is increased from 1000 RPM to 1200 RPM by connecting a diverter resistance across its field. Find the Armature to the field winding current. Assume negligible drop across the field winding and a linear magnetic circuit
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