新能源汽车异步电机驱动系统的电磁振动与噪声分析  

Analysis of Electromagnetic Vibration and Noise in Induction Motor Drive system of New Energy Vehicle

作　　者：黄闯 代颖[1] 罗建[1] 

机构地区：[1]上海大学机电工程与自动化学院,上海200272

出　　处：《工业控制计算机》2019年第5期160-161,164,共3页Industrial Control Computer

摘　　要：以额定功率40kW的新能源汽车异步电机牵引系统为例,基于Ansys/Maxwell和Matlab软件平台,从系统角度出发,介绍车用电机与驱动控制器系统的电磁振动与噪声的分析方法。仿真电机车载固定模式下电机结构的模态频率,分析安装固定对电机结构模态频率的影响。分析变频器开关频率对电机牵引系统电磁噪声的影响,通过仿真对比指出合理的开关频率,并通过实验验证理论分析的正确性。Taking the traction system of induction motor of automobile with rated power 40kW as an example,based on the software platform of Ansys/Maxwell and Matlab.this paper introduces the analysis method of electromagnetic vibration and noise of motor and drive controller system of vehicle from the point of view of system.The modal frequency of motor structure in fixed mode is simulated.and the influence of fixed installation on modal frequency of motor structure is analyzed. The influence of switching frequency of frequency converter on electromagnetic noise of motor traction system is analyzed.

关 键 词：电动汽车 异步电动机 驱动系统 电磁噪声 开关频率 

分 类 号：U469.7[机械工程—车辆工程]