Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > Delta/star transformer works satisfactorily w...
Start Learning for Free
Delta/star transformer works satisfactorily when
- a)load is balanced only
- b)load is unbalanced only
- c)on balanced as well as unbalanced loads
- d)none of the above
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Delta/star transformer works satisfactorily whena)load is balanced onl...
Delta/Star transformer works satisfactorily on balanced as well as unbalanced loads.
Explanation:
Delta/Star transformer is a type of transformer which is used to step down or step up voltage levels. It has three windings on the primary side connected in delta configuration and three windings on the secondary side connected in star configuration. The neutral point of the star winding is grounded.
On Balanced Loads:
When the load is balanced, the current flowing through each phase of the transformer is equal, and the neutral point of the secondary winding remains at the ground potential. In this case, the transformer works efficiently and delivers the required voltage to the load.
On Unbalanced Loads:
When the load is unbalanced, the current flowing through each phase of the transformer is different, and the neutral point of the secondary winding may shift from the ground potential. This can cause the voltage of one or more phases to deviate from the required voltage, leading to an inefficient operation of the transformer.
However, the Delta/Star transformer has an advantage over other transformers in that it can handle unbalanced loads efficiently. The delta winding of the transformer can balance the unbalanced load by supplying the extra current required by the unbalanced phase. The star winding provides a neutral point for the unbalanced load, which helps in balancing the load.
Conclusion:
Thus, the Delta/Star transformer can work satisfactorily on both balanced and unbalanced loads, making it a versatile transformer.
Explanation:
Delta/Star transformer is a type of transformer which is used to step down or step up voltage levels. It has three windings on the primary side connected in delta configuration and three windings on the secondary side connected in star configuration. The neutral point of the star winding is grounded.
On Balanced Loads:
When the load is balanced, the current flowing through each phase of the transformer is equal, and the neutral point of the secondary winding remains at the ground potential. In this case, the transformer works efficiently and delivers the required voltage to the load.
On Unbalanced Loads:
When the load is unbalanced, the current flowing through each phase of the transformer is different, and the neutral point of the secondary winding may shift from the ground potential. This can cause the voltage of one or more phases to deviate from the required voltage, leading to an inefficient operation of the transformer.
However, the Delta/Star transformer has an advantage over other transformers in that it can handle unbalanced loads efficiently. The delta winding of the transformer can balance the unbalanced load by supplying the extra current required by the unbalanced phase. The star winding provides a neutral point for the unbalanced load, which helps in balancing the load.
Conclusion:
Thus, the Delta/Star transformer can work satisfactorily on both balanced and unbalanced loads, making it a versatile transformer.
Attention Electrical Engineering (EE) Students!
To make sure you are not studying endlessly, EduRev has designed Electrical Engineering (EE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Electrical Engineering (EE).
|
Explore Courses for Electrical Engineering (EE) exam
|
|
Top Courses for Electrical Engineering (EE)View all
Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer?
Question Description
Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect 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 Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect 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 Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer?.
Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect 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 Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect 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 Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE).
Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
Here you can find the meaning of Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Delta/star transformer works satisfactorily whena)load is balanced onlyb)load is unbalanced onlyc)on balanced as well as unbalanced loadsd)none of the aboveCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Electrical Engineering (EE) tests.
|
|
Explore Courses for Electrical Engineering (EE) exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup