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A belt-driven cumulatively-compounded dc generator is delivering power to the dc mains. If the belt snaps then the machine will run as a
- a)cumulative compound motor in the same direction
- b)differentially compound motor in the same direction
- c)cumulative compounded motor in the opposite direction
- d)differentially compounded motor in the opposite direction
Correct answer is option 'B'. Can you explain this answer?
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A belt-driven cumulatively-compounded dc generator is delivering power...
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Introduction:
In a belt-driven cumulatively-compounded DC generator, the generator is coupled with the DC mains through a belt. This arrangement allows the generator to supply power to the DC load. However, if the belt snaps, the generator will operate differently. In this response, we will explain why the machine will run as a differentially compounded motor in the same direction.
Explanation:
When a DC generator is operating as a generator, it converts mechanical power into electrical power. The mechanical power is supplied through a prime mover, which in this case is the belt. The generator produces electrical power in the form of a DC voltage.
Belt Snaps:
When the belt snaps, the mechanical power supply to the generator is abruptly cut off. Without the mechanical power, the generator can no longer produce electrical power to the DC mains. However, the machine can still operate as a motor.
Differentially Compounded Motor:
A differentially compounded motor is a type of DC motor where the field windings are connected in a way that produces a negative voltage feedback. This means that the motor's field current opposes the armature current.
Same Direction Operation:
When the belt snaps, the machine will run as a differentially compounded motor. This means that the field windings will produce a magnetic field that opposes the armature current. As a result, the motor will rotate in the same direction as it did when it was operating as a generator.
Reasoning:
The reason why the machine will run as a differentially compounded motor in the same direction is as follows:
1. When the belt snaps, the mechanical power supply is cut off.
2. Without mechanical power, the generator can no longer produce electrical power to the DC mains.
3. However, the machine can still operate as a motor.
4. In a differentially compounded motor, the field windings produce a negative voltage feedback that opposes the armature current.
5. This negative feedback causes the motor to rotate in the same direction as it did when it was operating as a generator.
Therefore, the correct answer is option 'B' - the machine will run as a differentially compounded motor in the same direction when the belt snaps.
In a belt-driven cumulatively-compounded DC generator, the generator is coupled with the DC mains through a belt. This arrangement allows the generator to supply power to the DC load. However, if the belt snaps, the generator will operate differently. In this response, we will explain why the machine will run as a differentially compounded motor in the same direction.
Explanation:
When a DC generator is operating as a generator, it converts mechanical power into electrical power. The mechanical power is supplied through a prime mover, which in this case is the belt. The generator produces electrical power in the form of a DC voltage.
Belt Snaps:
When the belt snaps, the mechanical power supply to the generator is abruptly cut off. Without the mechanical power, the generator can no longer produce electrical power to the DC mains. However, the machine can still operate as a motor.
Differentially Compounded Motor:
A differentially compounded motor is a type of DC motor where the field windings are connected in a way that produces a negative voltage feedback. This means that the motor's field current opposes the armature current.
Same Direction Operation:
When the belt snaps, the machine will run as a differentially compounded motor. This means that the field windings will produce a magnetic field that opposes the armature current. As a result, the motor will rotate in the same direction as it did when it was operating as a generator.
Reasoning:
The reason why the machine will run as a differentially compounded motor in the same direction is as follows:
1. When the belt snaps, the mechanical power supply is cut off.
2. Without mechanical power, the generator can no longer produce electrical power to the DC mains.
3. However, the machine can still operate as a motor.
4. In a differentially compounded motor, the field windings produce a negative voltage feedback that opposes the armature current.
5. This negative feedback causes the motor to rotate in the same direction as it did when it was operating as a generator.
Therefore, the correct answer is option 'B' - the machine will run as a differentially compounded motor in the same direction when the belt snaps.
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A belt-driven cumulatively-compounded dc generator is delivering power to the dc mains. If the belt snaps then the machine will run as aa)cumulative compound motor in the same directionb)differentially compound motor in the same directionc)cumulative compounded motor in the opposite directiond)differentially compounded motor in the opposite directionCorrect answer is option 'B'. Can you explain this answer?
Question Description
A belt-driven cumulatively-compounded dc generator is delivering power to the dc mains. If the belt snaps then the machine will run as aa)cumulative compound motor in the same directionb)differentially compound motor in the same directionc)cumulative compounded motor in the opposite directiond)differentially compounded motor in the opposite directionCorrect answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A belt-driven cumulatively-compounded dc generator is delivering power to the dc mains. If the belt snaps then the machine will run as aa)cumulative compound motor in the same directionb)differentially compound motor in the same directionc)cumulative compounded motor in the opposite directiond)differentially compounded motor in the opposite directionCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A belt-driven cumulatively-compounded dc generator is delivering power to the dc mains. If the belt snaps then the machine will run as aa)cumulative compound motor in the same directionb)differentially compound motor in the same directionc)cumulative compounded motor in the opposite directiond)differentially compounded motor in the opposite directionCorrect answer is option 'B'. Can you explain this answer?.
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