Please answer it. 2. A 5 Hp, 220-v, 1200 rpm shunt motor hasarmature circuit resistance of 0.175 ohmand a shunt field resistance of 460 ohms.If the stray losses amount to 305 watts, themotor efficiency is then equal to?3. A 230-V dc shunt motor takes a current of4A at no-load. The resistance of armatureand field circuits are 0.50 ohm and 230ohm , respectively. if the maximumefficiency occurs at full load current, whatis the value of this current?

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Answered: 2. A 5 Hp, 220-v, 1200 rpm shunt motor…

2. A 5 Hp, 220-v, 1200 rpm shunt motor has armature circuit resistance of 0.175 ohm and a shunt field resistance of 460 ohms. If the stray losses amount to 305 watts, the

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

Please answer it.

2. A 5 Hp, 220-v, 1200 rpm shunt motor has
armature circuit resistance of 0.175 ohm
and a shunt field resistance of 460 ohms.
If the stray losses amount to 305 watts, the
motor efficiency is then equal to?
3. A 230-V dc shunt motor takes a current of
4A at no-load. The resistance of armature
and field circuits are 0.50 ohm and 230
ohm , respectively. if the maximum
efficiency occurs at full load current, what
is the value of this current?

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