A 600 V series motor takes 120 A and operates at 900 rpm when the load is 80 HP. If the effective circuit resistance is 0.20 ohm, calculate the HP output of the motor when the current drops to 90 A. assuming that the flux is reduced by 20 %.

A 600 V series motor takes 120 A and operates at 900 rpm when the load is 80 HP. If the effective circuit resistance is 0.20 ohm, calculate the HP output of the motor when the current drops to 90 A. assuming that the flux is reduced by 20 %.

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 600 V series motor takes 120 A and operates at 900 rpm when the load is
80 HP. If the effective circuit resistance is 0.20 ohm, calculate the HP
output of the motor when the current drops to 90 A. assuming that the flux
is reduced by 20 %.

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