Low Vibration Control Scheme for Permanent Magnet Motor Based on Resonance Controllers

Chi Ma, Wenzhong Xu (), Mingtian Liu and Jianfeng Hong
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Chi Ma: State Key Laboratory for Traction and Control System of EMU and Locomotive, China Academy of Railway Science Corporation Limited, Beijing 100191, China
Wenzhong Xu: State Key Laboratory for Traction and Control System of EMU and Locomotive, China Academy of Railway Science Corporation Limited, Beijing 100191, China
Mingtian Liu: State Key Laboratory for Traction and Control System of EMU and Locomotive, China Academy of Railway Science Corporation Limited, Beijing 100191, China
Jianfeng Hong: School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China

Energies, 2024, vol. 17, issue 18, 1-14

Abstract: For an electric locomotive traction motor, it is necessary to maintain relatively low vibration and noise due to the higher design standards. By using effective motor control strategies and implementing current harmonic suppression schemes, motor efficiency and vibration and noise suppression can be effectively improved. This study investigates the current harmonic suppression strategy for permanent magnet synchronous motors by (1) constructing a mathematical model of the permanent magnet motor to explore the sources of low-order harmonics currents such as fifth and seventh harmonics, as well as high-order harmonics at switch frequencies and their multiples, and analyzing the electromagnetic force characteristics generated by the current, and (2) establishing a vector control system for the permanent magnet motor. To suppress the fifth and seventh harmonic components in the current, a resonance controller is constructed, which utilizes the parallel connection of a resonator and PI controller to achieve low-order harmonic suppression. The factors affecting the effectiveness of the resonance controller’s suppression are also analyzed. The experiments are conducted, and the current harmonic suppression scheme constructed in this study can effectively reduce the harmonics in the current, thereby reducing motor vibration and noise.

Keywords: permanent magnet motor; vibration and noise; resonance controller; vibration reduction (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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