Research on electromechanical coupling vibration characteristics of inverter-motor drive system

被引：0
|
作者：
Ge, Xinglai [1 ]
Chang, Yu [1 ]
Wang, Shuaishuai [1 ,2 ]
Mu, Junwen [1 ]
Zuo, Yun [1 ]
Wang, Huimin [1 ]
机构：
[1] Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle, Ministry of Education, Southwest Jiaotong University, Chengdu,611756, China
[2] Graduate School of Tangshan, Southwest Jiaotong University, Tangshan,063000, China
来源：
Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2024年 / 28卷 / 06期
关键词：
Induction motors;
D O I：
10.15938/j.emc.2024.06.011
中图分类号：
学科分类号：
摘要：
As a key component of electromechanical energy transmission, the traction drive system will be subjected to various impact loads and periodic excitation forces under electrical excitation, resulting in electromechanical coupling vibration. To analyze the electromechanical coupling vibration mechanism of the subway traction drive system, the drive device was simplified, which is equivalent to a two-mass model, and its natural frequency was calculated. Considering different torque excitation forms, the vibration mode of the mechanical drive system was analyzed. Then, according to the switching characteristics of the inverter, the effects of the sideband harmonic torque generated by pulse width modulation (PWM) on the same-frequency resonance of electromechanical coupling was focused on. Then, the traction drive system considering a two-mass load was modeled in the form of a transfer function, and the electromechanical coupling resonance characteristics of the system were theoretically analyzed from the frequency domain perspective. Finally, the analyzed results are verified in a hardware-in-the-loop test system. © 2024 Editorial Department of Electric Machines and Control. All rights reserved.
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页码：109 / 119
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