Electric Motor Control
Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 43, Problem 1SQ

a.

To determine

Draw the diagram of series motor.

a.

Expert Solution
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Explanation of Solution

DC motor:

A DC motor is an electrical rotary machine that is used to convert electrical power into mechanical energy.

Series motor:

In the series motor, the field winding and armature winding are connected in series. Since the field and armature winding are in series, it should be large enough to carry the current of the armature circuit. The diagram of series motor is shown in Figure 1. The series field winding is represented as S1 and S2, and the armature winding is represented as A1 and A2.

Electric Motor Control, Chapter 43, Problem 1SQ , additional homework tip  1

Conclusion:

Thus, the diagram of series motor is drawn.

b.

To determine

Draw the diagram of shunt motor.

b.

Expert Solution
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Explanation of Solution

Shunt motor:

In the shunt motor, the field and armature winding are in parallel connection. The rheostat is connected in series with field winding to vary the resistance of field circuit. The diagram of shunt motor is shown in Figure 2. The shunt connected field winding is represented as F1 and F2.

Electric Motor Control, Chapter 43, Problem 1SQ , additional homework tip  2

Conclusion:

Thus, the diagram of shunt motor is drawn.

c.

To determine

Draw the diagram of compound motor.

c.

Expert Solution
Check Mark

Explanation of Solution

Compound motor:

The compound motor has both a series and shunt field winding. The diagram of compound motor is shown in Figure 3.

Electric Motor Control, Chapter 43, Problem 1SQ , additional homework tip  3

Conclusion:

Thus, the diagram of compound motor is drawn.

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