A 220V DC series motor has an armature resistance of 0 32 and field resistance of 0 292 It runs at a speed of 700 rpm taking a current of 15A Calculate the resistance to be inserted in series with the armature to reduce the speed to 600rpm The input current remains constant Assume that the magneti...

A 220V DC series motor has an armature resistance of 0.32 and field resistance of 0.292....

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Electric Machinery

ISBN: 978-0071230100

6th Edition

Authors: Charles Kingsley, Jr, Stephen D. Umans

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Posted Date: Feb 10, 2023 01:56 AM

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A 220V DC series motor has an armature resistance of 0.32 and field resistance of 0.292....

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