Discussion
Compared with an induction motor of the same rating, a synchronous motor has
Answer: D
Correct answer: a controllable power factor and a higher efficiency
These are the two reasons for choosing a synchronous machine. Its power factor is set by the field current and can be made leading, so the machine supports the network instead of loading it, and its efficiency is higher because the rotor is separately excited rather than drawing magnetising current through the air gap.
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