A 200 V series DC motor with the magnetization curve as shown in Figure Q1(a) has a field winding of 25 turns per pole. Its armature resistance is 0.05 Q, and its field resistance is 0.05 Q. The armature current is set to 50 A. (i) Based on the given specification, sketch the equivalent circuit of the DC motor. (ii) Calculate the speed and induced torque of the DC motor. (iii) Calculate the output power and efficiency of the DC motor. Rotational speed = 1200 rpm 200- 175- 150 125- 100 75 50- 25 1000 2000 3000 4000 5000 6000 7000 Field magnetomotive (A.turns) Figure Q1(a): Magnetization curve Internmal generated voltage, EA (V)

A 200 V series DC motor with the magnetization curve as shown in Figure Q1(a) has a field winding of 25 turns per pole. Its armature resistance is 0.05 Q, and its field resistance is 0.05 Q. The armature current is set to 50 A. (i) Based on the given specification, sketch the equivalent circuit of the DC motor. (ii) Calculate the speed and induced torque of the DC motor. (iii) Calculate the output power and efficiency of the DC motor. Rotational speed = 1200 rpm 200- 175- 150 125- 100 75 50- 25 1000 2000 3000 4000 5000 6000 7000 Field magnetomotive (A.turns) Figure Q1(a): Magnetization curve Internmal generated voltage, EA (V)

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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