Analysis of rotor vibration characteristics of surface mounted permanent magnet synchronous motor under air gap eccentricity fault

被引：0
|
作者：
Zhu, Rui [1 ,2 ]
Jiang, Tianzhen [1 ,2 ]
Tong, Xin [1 ,2 ]
Han, Qingpeng [1 ,2 ]
He, Keyuan [1 ,2 ]
Xu, Siyu [1 ,2 ]
Wang, Mingxin [1 ,2 ]
机构：
[1] Shanghai Univ Elect Power, Coll Math & Phys, Shanghai, Peoples R China
[2] Shanghai Univ Elect Power, Coll Energy & Mech Engn, Shanghai, Peoples R China
来源：
JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROL | 2025年 / 44卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Rotor dynamics; permanent magnet synchronous motor; air gap eccentricity;
D O I：
10.1177/14613484241290299
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Taking a permanent magnet synchronous motor as the research object, the effect of air gap eccentricity fault on the vibration response characteristics of the motor rotor is analyzed through theoretical calculations, numerical simulation and finite element simulation. First, the change of air gap magnetic field under air gap eccentricity fault is analyzed, and then further calculated to obtain the unbalanced magnetic force under air gap fault by the expression of air gap magnetic field, at last, the rotor's vibration response characteristics under the action of unbalanced electromagnetic force are obtained by the Newmark- beta calculation method. Detailed analysis of the effects of eccentricity distance, eccentricity angle and motor pole-pair number on motor rotor vibration. Finally, the synchronous motor eccentricity fault model is built in ANSYS Maxwell electromagnetic simulation software, and the change characteristics of rotor unbalanced magnetic force after eccentricity fault are calculated and the results are consistent with the theoretical calculations.
引用
收藏
页码：5 / 20
页数：16
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