|本期目录/Table of Contents|

[1]丁树业,朱敏,江欣. 永磁同步电机三维全域温度场与温度应力耦合研究[J].电机与控制学报,2018,22(01):53-30.[doi:10.15938/j.emc.2018.01.008]
 DING Shu-ye,ZHU Min,JIANG Xin( School of Electrical and Automation Engineering,et al. Coupling study of 3D universal temperature field andtemperature stress for permanent magnet synchronous motor[J].,2018,22(01):53-30.[doi:10.15938/j.emc.2018.01.008]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
22
期数:
2018年01
页码:
53-30
栏目:
出版日期:
2018-01-05

文章信息/Info

Title:
 Coupling study of 3D universal temperature field andtemperature stress for permanent magnet synchronous motor
作者:
 丁树业 朱敏 江欣
 ( 南京师范大学 电气与自动化工程学院,江苏 南京 210042)
Author(s):
 DING Shu-ye ZHU Min JIANG Xin( School of Electrical and Automation Engineering
 Nanjing Normal University,Nanjing 210042,China
关键词:
永磁同步电机 温度场 温度应力 有限元法 变频驱动
Keywords:
 permanent magnet synchronous motors temperature field temperature stress finite elementmethod frequency conversion driving
分类号:
TM 341
DOI:
10.15938/j.emc.2018.01.008
文献标志码:
A
摘要:
 永磁同步电机通常采用变频驱动方式,使得电机磁场内谐波含量增多,损耗趋于增大并导致发热与形变加重。为研究其变频驱动下温升分布特性及温度应力的作用,以一台 50 k W 永磁同步电机为对象,建立了包含复杂散热结构的三维全域温度场及温度应力共同求解模型,采用有限元法对其进行耦合计算与研究,着重分析了稳态运行时电机主要部位的温升与形变分布情况。通过搭建实验平台,将实测温升与计算结果相对比,验证了温度场计算方法及结果的准确性,并确保温度应力场载荷加载正确。结果表明: 永磁同步电机的最高温升出现在转子铁心处; 电机各部位形变大小不仅受温升作用,还受自身结构以及施加约束等因素影响。该研究为电机设计及性能优化、故障预测提供一定参考。
Abstract:
 Permanent magnet synchronous motor ( PMSM) usually adopts frequency conversion driving,which makes harmonic content in the magnetic field of motor increased. The heat and deformation growsas the raise of loss. In order to study the temperature rise distribution and the effect of temperature stressunder frequency conversion driving,a 50 k W PMSM was taken as the research object. The common solu-tion model of 3D universal temperature field and temperature stress which contained the complex coolingstructure was established. Using the finite element method ( FEM) for coupling calculation and researchof motor,the temperature rise and deformation distribution of motor main parts in steady-state operationwere analyzed emphatically. Through building experimental platform,the measured temperature rise andcalculating result were compared to verify the accuracy of temperature field calculation method and result,which also ensured the correctness of setting load for temperature stress field. It indicates that the highesttemperature rise of PMSM appears in the rotor core. Deformation of each part in motor is not only effectedby temperature rise,but also influenced by the factors of structure and constraint. The study providessome reference for motor design,performance optimization and fault prediction.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2016 - 05 - 12
基金项目: 哈尔滨市科技创新人才项目( 2016RAXXJ026) ; 国家自然科学基金( 51277045)
作者简介: 丁树业( 1978—) ,男,博士,教授,研究方向为电机综合物理场数值分析及特种电机理论;
朱 敏( 1995—) ,女,硕士研究生,研究方向为电机内温度场数值计算
;江 欣( 1995—) ,男,硕士研究生,研究方向为电机内物理场数值计算。
更新日期/Last Update: 2018-06-28