电机与控制应用2024，Vol.51Issue(3)：69-78,10.DOI:10.12177/emca.2023.193
鼠笼转子端部扭振特性研究及其对结构可靠性影响
Research on Torsional Vibration Characteristics of Squirrel Cage Rotor End and Its Influence on Structural Reliability
摘要
Abstract
In view of the impact of harmonic torque on traction motors driven by frequency converters,the mechanism of harmonic torque on the copper squirrel cage rotor structure is analyzed.A combination of experimental and simulation methods is used in order to identify the characteristics at the rotor end of the squirrel cage.Firstly,modal analysis is conducted to obtain the modal parameters of the squirrel cage rotor.Then,a finite element model of the squirrel cage rotor based on the modal tests is established,and its static strength and harmonic dynamic response under 12 times of frequency-induced electromagnetic excitation are simulated and analyzed.Finally,based on the guide bar vibration test platform,the torsional vibration characteristics of the squirrel cage rotor end are investigated and the load amplification effect is verified,which provides certain theoretical support for improving the structural reliability of the copper squirrel cage rotor end.关键词
鼠笼转子/牵引电机/有限元/模态分析Key words
squirrel cage rotor/traction motor/finite element/modal analysis分类
交通工程引用本文复制引用
薛秀慧,李广,许晓亮,吕志成,任晓辉..鼠笼转子端部扭振特性研究及其对结构可靠性影响[J].电机与控制应用,2024,51(3):69-78,10.基金项目
中国中车基础研究项目(2022CTB150)CRRC Basic Research Program(2022CTB150) （2022CTB150）
