Discussion
Harmonic currents in a three-phase four-wire installation are troublesome chiefly because the triplen orders
Answer: A
Third, ninth and fifteenth harmonics are in phase in all three lines, so they sum arithmetically in the neutral, which may then carry more current than the phases. A neutral sized as half the phase conductor overheats in such an installation.
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