Discussion
A speed reference ramp is applied to a drive in order to
Answer: C
Correct answer: limit the torque demanded during a change of speed
Torque is proportional to the rate of change of speed times the inertia, so an unramped step demands infinite torque and the drive simply hits its current limit. A ramp sets the acceleration explicitly, which sets the torque, and so keeps the drive within its rating and the mechanical transmission within its.
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