Discussion
The starting torque of a synchronous motor on induction start comes from
Answer: A
Correct answer: its damper winding acting as a cage rotor
The damper bars in the pole faces behave exactly as a squirrel cage, so the machine starts as an induction motor and accelerates to near synchronous speed. The same winding then serves its other purpose in running, damping the oscillations that would otherwise develop into hunting.
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