Discussion
A current transformer of turns ratio 200 has an exciting current of 2 A referred to the primary while the primary carries 200 A. The ratio error is about
Answer: D
Roughly, the component of the exciting current in phase with the primary is lost from the secondary, so the secondary reproduces only 198 of the 200 amperes and the ratio error is about one per cent negative. This is why turns compensation is applied.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development