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A compound dc generator is delivering full load current at a terminal voltage of 230V. It’s
series field winding get’s short circuit. If it’s terminal voltage becomes.
1. More than 230V it is over compounded
2. More than 230V it is differential compound
3. Less than 230V it is over compounded
4. Less than 230V it is differential compounded
5. Less than 230V it is level compounded
The correct statement’s are?
series field winding get’s short circuit. If it’s terminal voltage becomes.
1. More than 230V it is over compounded
2. More than 230V it is differential compound
3. Less than 230V it is over compounded
4. Less than 230V it is differential compounded
5. Less than 230V it is level compounded
The correct statement’s are?
- a)1, 2, 3, 4
- b)1, 2, 4
- c)3, 5
- d)1, 2, 4, 5
Correct answer is option 'C'. Can you explain this answer?
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A compound dc generator is delivering full load current at a terminal ...
Series field s/c ie 
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A compound dc generator is delivering full load current at a terminal ...
Explanation:
A compound DC generator has both series and shunt field winding. The effect of short circuiting the series field winding is that the generator will become overcompounded or differential compounded depending on the terminal voltage. Let's analyze each option:
1. More than 230V it is over compounded:
When the series field winding is short-circuited, the shunt field winding becomes the only source of field excitation. The shunt field winding produces a constant field flux, which is independent of load current. As the load current increases, the armature reaction causes a drop in terminal voltage. However, in an overcompounded generator, the series field winding is wound in such a way that its flux aids the shunt field flux, thereby increasing the total field flux. This results in an increase in terminal voltage above the rated voltage of the generator. So, if the terminal voltage is more than 230V, it is overcompounded.
2. More than 230V it is differential compounded:
In a differential compounded generator, the series field winding is wound in such a way that its flux opposes the shunt field flux. This results in a decrease in total field flux as the load current increases. As a result, the terminal voltage drops below the rated voltage of the generator. So, if the terminal voltage is more than 230V, it cannot be differential compounded.
3. Less than 230V it is over compounded:
If the terminal voltage is less than the rated voltage of the generator, it cannot be overcompounded.
4. Less than 230V it is differential compounded:
As explained earlier, in a differential compounded generator, the terminal voltage drops below the rated voltage of the generator as the load current increases. So, if the terminal voltage is less than 230V, it is differential compounded.
5. Less than 230V it is level compounded:
In a level compounded generator, the series field winding is wound in such a way that its flux is equal and opposite to the armature reaction flux. This results in a constant terminal voltage regardless of load current. So, if the terminal voltage is less than the rated voltage of the generator, it cannot be level compounded.
Therefore, the correct statements are 3 and 5 - "Less than 230V it is over compounded" and "Less than 230V it is level compounded".
A compound DC generator has both series and shunt field winding. The effect of short circuiting the series field winding is that the generator will become overcompounded or differential compounded depending on the terminal voltage. Let's analyze each option:
1. More than 230V it is over compounded:
When the series field winding is short-circuited, the shunt field winding becomes the only source of field excitation. The shunt field winding produces a constant field flux, which is independent of load current. As the load current increases, the armature reaction causes a drop in terminal voltage. However, in an overcompounded generator, the series field winding is wound in such a way that its flux aids the shunt field flux, thereby increasing the total field flux. This results in an increase in terminal voltage above the rated voltage of the generator. So, if the terminal voltage is more than 230V, it is overcompounded.
2. More than 230V it is differential compounded:
In a differential compounded generator, the series field winding is wound in such a way that its flux opposes the shunt field flux. This results in a decrease in total field flux as the load current increases. As a result, the terminal voltage drops below the rated voltage of the generator. So, if the terminal voltage is more than 230V, it cannot be differential compounded.
3. Less than 230V it is over compounded:
If the terminal voltage is less than the rated voltage of the generator, it cannot be overcompounded.
4. Less than 230V it is differential compounded:
As explained earlier, in a differential compounded generator, the terminal voltage drops below the rated voltage of the generator as the load current increases. So, if the terminal voltage is less than 230V, it is differential compounded.
5. Less than 230V it is level compounded:
In a level compounded generator, the series field winding is wound in such a way that its flux is equal and opposite to the armature reaction flux. This results in a constant terminal voltage regardless of load current. So, if the terminal voltage is less than the rated voltage of the generator, it cannot be level compounded.
Therefore, the correct statements are 3 and 5 - "Less than 230V it is over compounded" and "Less than 230V it is level compounded".
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A compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. Can you explain this answer?
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A compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. 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 compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. 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 compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. Can you explain this answer?.
A compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. 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 compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. 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 compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. Can you explain this answer?.
Solutions for A compound dc generator is delivering full load current at a terminal voltage of 230V. It’sseries field winding get’s short circuit. If it’s terminal voltage becomes.1. More than 230V it is over compounded2. More than 230V it is differential compound3. Less than 230V it is over compounded4. Less than 230V it is differential compounded5. Less than 230V it is level compoundedThe correct statement’s are?a)1, 2, 3, 4b)1, 2, 4c) 3, 5d) 1, 2, 4, 5Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE).
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