Explain the necessity of mechanical brake after dynamic braking occurs.

Question

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Answer 1

Question

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.

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Answer 2

Question

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.

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Answer 3

Question

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.

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Answer 4

Question

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.

Answer 6

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.

Answer 7

Chapter 50, Problem 1SQ

To determine

Explain the necessity of mechanical brake after dynamic braking occurs.

Answer 8

Expert Solution & Answer

Explanation of Solution

A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking process, the DC motor acts as a generator by reconnecting the running motor, as a result the field gets excited and a low resistance path is created across the armature. Some of the mechanical energy of motor is converted to electrical energy resulting in the reduction of motor speed, current, generator action and the braking lessens. However, the motor does not attain complete stand-alone state due to dynamic braking, the mechanical brake is needed to stop and hold the drive at the final stage of braking.

Conclusion:

Thus, the necessity of the mechanical brake after dynamic braking occurs is explained.