A 3 phase, 400 V induction motor is fed from variable frequency drive, when the frequency was 50 Hz the speed of the motor was 950 rpm, and now frequency is changed to 37.5 Hz what would be the motor speed.

All QuestionsCategory: Electrical Industrial DrivesA 3 phase, 400 V induction motor is fed from variable frequency drive, when the frequency was 50 Hz the speed of the motor was 950 rpm, and now frequency is changed to 37.5 Hz what would be the motor speed.
cs asked 5 years ago

Options

  1. 690 rpm
  2. 695 rpm
  3. 700 rpm
  4. 705 rpm
  5. 710 rpm
1 Answers
cs answered 5 years ago

The correct answer is 700 rpm