Vibration Characteristics of Motor Stator in Permanent Magnet Transmission System of Shearer

被引：0
|
作者：
Jiang S. [1 ,2 ]
Li W. [2 ]
Sheng L. [3 ]
Wang Y. [2 ]
Yang X. [2 ]
机构：
[1] School of Mechanical Engineering, Jiangsu University, Zhenjiang
[2] School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou
[3] School of Mechatronic Engineering, Jiangsu Normal University, Xuzhou
来源：
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis | 2023年 / 43卷 / 06期
关键词：
magnetostriction; permanent magnet synchronous motor（PMSM）; resonance; shearer cutting section; stator vibration;
D O I：
10.16450/j.cnki.issn.1004-6801.2023.06.002
中图分类号：
学科分类号：
摘要：
In order to reduce the stator vibration in the permanent magnet drive system of shearer，a permanent magnet synchronous motor（PMSM）model considering cogging effect is established combined with motor vector control based on flux linkage model. The electromechanical coupling dynamic model is simulated including PMSM，gear transmission system and cutting drum load characteristics，and the radial flux density of air gap permanent magnet and armature current are obtained. On this basis，the electromagnetic force，magnetostrictive force，vibration displacement and resonance point are analyzed. The results show that the maximum magnetostrictive force reaches 23.8% of the electromagnetic force，and the resonance phenomenon caused by the excitation frequency of 18fm appears at the motor speed of 393 r/min，when the stator is the silicon steel core. On the contrary，when the stator is the amorphous alloy core，the magnetostrictive force is significantly increased compared with the silicon steel core，and the maximum value reaches 58.5% of the electromagnetic force. Further，when the motor speed is 288 or 433 r/min，there is a resonance caused by the excitation frequency of 18fm or 12fm. This phenomenon should be paid attention to in actual use. © 2023 Nanjing University of Aeronautics an Astronautics. All rights reserved.
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页码：1058 / 1066
页数：8
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