时间谐波对永磁屏蔽电机损耗及效率特性的影响分析  

Analysis of Influence of Time Harmonic on Loss and Efficiency Characteristic for Canned Permanent Magnet Motor

作　　者：周舒昊 李明[1,2] ZHOU Shuhao;LI Ming(School of Control Science and Engineering,Bohai University,Jinzhou Liaoning 121210,China;School of Electrical Engineering,Shenyang University of Technology,Shenyang 110870,China)

机构地区：[1]渤海大学控制科学与工程学院,辽宁锦州121210 [2]沈阳工业大学电气工程学院,沈阳110870

出　　处：《微电机》2023年第9期4-8,13,共6页Micromotors

基　　金：辽宁省教育厅项目(LJKZ1020)。

摘　　要：为解决永磁屏蔽电机屏蔽套损耗大、电机系统效率低、变频器载波频率难以选择等问题,本文以一台2kW,6000r/min的永磁屏蔽电机作为研究对象,通过搭建Simulink和Ansys EM联合仿真模型,对不同载波频率及调制比条件下电机气隙磁密分布,损耗特性及电机系统效率进行了研究,获得了永磁屏蔽电机系统效率最优的载波频率选择范围。该研究不仅可以为变频器供电永磁屏蔽电机的设计及使用提供理论参考,还具有一定的工程实际意义。To solve the problems of large can loss,low efficiency of the canned permanent magnet motor system,and difficulty in selecting the carrier frequency,this paper took a 2 kW,6000r/min canned permanent magnet motor as the research object,and studied the air gap magnetic field distribution,loss characteristics and efficiency of the motor system under different carrier frequency and modulation ratio by building a Simulink and Ansys EM Co-simulation model.The optimal carrier frequency selection range of the motor system efficiency was obtained.The research can not only provide theoretical reference for the design and use of canned permanent magnet motor fed by inverter,but also have certain engineering practical significance.

关 键 词：屏蔽电机 屏蔽损耗 SVPWM 联合仿真 

分 类 号：TM351[电气工程—电机] TM341