基于电磁-热耦合有限元分析的永磁调速器性能研究

发布时间：2018-05-09 18:42

本文选题：永磁调速器 + 涡流　；参考：《组合机床与自动化加工技术》2016年01期

【摘要】：针对永磁调速器(permanent magnet device,PMD)在三维磁场的仿真计算忽略了导体盘涡流生热对性能的影响,提出一种基于电磁-热耦合的有限元分析方法。利用Ansoft Maxwell和Ansys Workbench软件搭建永磁调速器的电磁场和温度场耦合仿真模型,分析涡流生热对导体盘及永磁体性能参数的影响,将涡流热功率作为热源载荷导入温度场,并在Transient Thermal模块中进行温度场仿真,将温度场仿真结果用于修正永磁调速器的性能参数,最终通过磁场仿真计算输出转矩。仿真结果表明:基于电磁-热耦合计算的转矩结果较改进前相比与实测值误差更小,适用于工程计算。
[Abstract]:A finite element analysis method based on electromagnetic-thermal coupling is proposed for permanent magnet governor permanent magnet device (PMD), in which the effect of eddy current heat generation on the performance of the conductor disk is neglected in the simulation of the three-dimensional magnetic field. The coupling simulation model of electromagnetic field and temperature field of permanent magnet governor is built by using Ansoft Maxwell and Ansys Workbench software. The influence of eddy current heat generation on the performance parameters of conductor disk and permanent magnet is analyzed. The eddy current heat power is introduced into the temperature field as a heat source load. The temperature field is simulated in the Transient Thermal module. The temperature field simulation results are used to modify the performance parameters of the permanent magnet governor. Finally, the output torque is calculated by magnetic field simulation. The simulation results show that the torque results based on electromagnetic and thermal coupling are smaller than those measured before, and are suitable for engineering calculation.
【作者单位】：北京工业大学机械工程与应用电子技术学院;东北石油大学电气信息工程学院;
【基金】：黑龙江自然科学基金项目(E201332) 国家自然科学基金项目(N11372071)
【分类号】：TH139

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