Causes of Motor Suffers from Heavy Vibrations and Excessive Noise when Operating
Q. What are the probable causes, if the motor suffers from heavy vibrations and excessive noise when operating ?
- The induction motor’s performance is affected by the harmonics in the time variations of the impressed voltage.
- Air-gap flux harmonics are produced due to variation air-gap reluctance called as tooth or slot harmonics.
- Due to these harmonics in the air-gap flux, the unwanted toques are developed.
- These create heavy vibrations and excessive noise when motor is operating.