(A)- A series DC motor runs at 600 r.p.m drawing a current of 52A when connected to 220 V supply. The total resistance of the machine is 0.14 2. Calculate the value of the external resistance to be connected in series with the motor circuit to reduce its speed to 400 r.p.m. Assume the load torque is decreased to half of the previous value. Consider the field flux is proportional to armature current. Electric machines / I need a complete expert solution in handwriting for the question. Please provide a correct solution.

(A)- A series DC motor runs at 600 r.p.m drawing a current of 52A when connected to 220 V supply. The total resistance of the machine is 0.14 2. Calculate the value of the external resistance to be connected in series with the motor circuit to reduce its speed to 400 r.p.m. Assume the load torque is decreased to half of the previous value. Consider the field flux is proportional to armature current. Electric machines / I need a complete expert solution in handwriting for the question. Please provide a correct solution.

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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