This paper investigates the abnormal electromagnetic noise of HEV traction motor due to Vibration of Permanent Magnet. In the paper, we introduce the mechanical and electromagnetical cause of magnetic unbalance of the HEV tranction motor and analyze t...
This paper investigates the abnormal electromagnetic noise of HEV traction motor due to Vibration of Permanent Magnet. In the paper, we introduce the mechanical and electromagnetical cause of magnetic unbalance of the HEV tranction motor and analyze the frequency of abnormal electromagnetic noise due to magnetic unbalance. We determine the abnormal electromagnetic noise is caused by the vibration of permanent magnet. And we develop the novel magnet insert method of HEV traction motor and improve the abnormal electromagnetic noise of HEV traction motor.