| 不对称气隙单相永磁无刷直流电动机定位转矩分析 |
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| 引用本文： | 罗玲,张洁琼,郭小雷.不对称气隙单相永磁无刷直流电动机定位转矩分析[J].微特电机,2011,39(1). |
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| 作者姓名： | 罗玲 张洁琼 郭小雷 |
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| 作者单位： | 西北工业大学,陕西西安,710129 |
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| 摘 要： | 利用电磁场仿真分析软件MagNet对样机的气隙磁场进行了仿真分析,在此基础上利用Maxwell应力张量法和虚位移法,对样机的定位转矩进行了定量分析计算。利用MagNet软件的两种计算定位转矩的方法,分别对样机的定位转矩进行了仿真计算。最后,对比分析了利用Maxwell应力张量法、虚位移法和MagNet软件计算样机定位转矩的结果。Maxwell应力张量法更适合所研究对象定位转矩的计算。
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| 关 键 词： | 单相永磁无刷直流电动机 定位转矩 虚位移法 Maxwell应力张量法 |
Cogging Torque Analysis of Single-Phase Permanent Magnet Brushless DC Motors |
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| LUO Ling,ZHANG Jie-qiong,GUO Xiao-lei.Cogging Torque Analysis of Single-Phase Permanent Magnet Brushless DC Motors[J].Small & Special Electrical Machines,2011,39(1). |
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| Authors: | LUO Ling ZHANG Jie-qiong GUO Xiao-lei |
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| Affiliation: | LUO Ling,ZHANG Jie-qiong,GUO Xiao-lei(Northwestern Polytechnical University,Xi'an 710072,China) |
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| Abstract: | In this paper,the air-gap magnetic field of the motor was analyzed by using the finite element simulation software(MagNet software),and on its basis,the Virtual displacement method and the Maxwell stress tensor method were used to calculate cogging torque of the motor.And then,MagNet software was utilized to get the simulation results of the cogging torque.The comparison between the two kinds of calculating results with the simulation results shows that the Maxwell stress tensor method for calculating the c... |
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| Keywords: | single-phase permanent magnet brushless DC motor cogging torque Virtual displacement method Maxwell stress tensor method |
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