d- How do you can control their speed? State their applications. e- Compare between the brushed and brushless DC motor? f- How do you reduce the speed of DC motor?

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Please solve only part d, e and f. Thanks :)
6:16
::!! 4G
Question 1:
Answer all the following parts:
a- Discuss the theory of operation
of DC motor.
b- What is the need of commutator
for DC motor?
c- What are different DC motor
types? Draw their equivalent
circuits, Draw their torque-
armature current characteristics,
Draw their
ed-armature
current characteristics, Draw
their speed-torque
characteristics.
d- How do you can control their
speed? State their applications.
e- Compare between the brushed
and brushless DC motor?
f- How do you reduce the speed of
DC motor?
Transcribed Image Text:6:16 ::!! 4G Question 1: Answer all the following parts: a- Discuss the theory of operation of DC motor. b- What is the need of commutator for DC motor? c- What are different DC motor types? Draw their equivalent circuits, Draw their torque- armature current characteristics, Draw their ed-armature current characteristics, Draw their speed-torque characteristics. d- How do you can control their speed? State their applications. e- Compare between the brushed and brushless DC motor? f- How do you reduce the speed of DC motor?
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