毕业论文《50kW电动汽车永磁同步电动机电磁设计》.doc

毕业设计（论文） 题目：50KW电动汽车永磁同步电动机电磁设计 姓 名 学 号 0810211620 所在学院 电气与电子工程学院 专业班级 08电气6班 指导教师 教授 日 期 年 月 日 摘 要 随着能源使用紧张，石油价格上涨，以及生态环境等问题的日益突出，电动汽车应运而生。在各种电动车驱动电机中，永磁同步电机是最有希望的高性能电机。本文研究并设计了一台 50kW电动汽车驱动用永磁同步电动机，提出了设计电动车驱动用永磁同步电机的场路结合的设计方法及主要步骤，给出了几个重要电磁参数的有限元计算方法。首先采用电机电磁场仿真软件 Ansoft Rmxprt 中的磁路法设计软件 Rmxprt 对若干方案进行优选，然后再用其中的有限元分析软件Maxwell2D 对优选方案的电磁场进行静、动态仿真，通过对比实验数据和仿真结果并分析了误差来源，对设计进行合理分析，最后结合两者的结果完成电机的设计。 关键词：电动汽车；永磁同步电动机；电磁设计；有限元方法 Abstract With energy use tightly petroleum rise in price as well as ecological environment questions are day by day prominent,the electric vehicle came into being.In a variety of electric vehicles drive motor,permanent magnet synchronous motor is the most promising high-performance motor.A 50kW permanent magnet synchronous motor was studied and designed in electric vehicle drive,the design methods and the main steps by the field-path coupling method of the permanent magnet synchronous motor in electric vehicle drive was put forward and the calculation methods by finite element of a number of important electromagnetic parameters was given.First use the design software Rmxprt based on the circuit method of the electromagnetic field simulation software Ansoft Rmxprt to do a number of program optimization, then one of the finite element analysis software Maxwell2D was used to do static and dynamic simulation of the electromagnetic field of the optimization program,by comparing the experimental data and simulation results and analyzed the sources of error,then analyzed the rational of the design ,and finally complete the design of the motor by combine the results of both . Keywords : Electric automobile ; permanent magnetism synchronous motor；electromagnetic design；finite element method 目 录 TOC \o "1-3" \h \z \u HYPERLINK \l _Toc7763 第1章 绪 论 1 HYPERLINK \l _Toc29725 1.1 用于电动汽车的驱动电机 1 HYPERLINK