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切向永磁同步电机空载感应电动势谐波削弱分析

司涛 徐士强 童拉念 马清芝 王静 高艳红 胡文静 尹红彬

司涛,徐士强,童拉念, 等. 切向永磁同步电机空载感应电动势谐波削弱分析[J]. 机械科学与技术,2021,40(11):1664-1669 doi: 10.13433/j.cnki.1003-8728.20200541
引用本文: 司涛,徐士强,童拉念, 等. 切向永磁同步电机空载感应电动势谐波削弱分析[J]. 机械科学与技术,2021,40(11):1664-1669 doi: 10.13433/j.cnki.1003-8728.20200541
SI Tao, XU Shiqiang, TONG Lanian, MA Qingzhi, WANG Jing, GAO Yanhong, HU Wenjing, YIN Hongbin. Harmonic Weakening Analysis of No-load Induced Electromotive Force of Tangential Permanent Magnet Synchronous Motors[J]. Mechanical Science and Technology for Aerospace Engineering, 2021, 40(11): 1664-1669. doi: 10.13433/j.cnki.1003-8728.20200541
Citation: SI Tao, XU Shiqiang, TONG Lanian, MA Qingzhi, WANG Jing, GAO Yanhong, HU Wenjing, YIN Hongbin. Harmonic Weakening Analysis of No-load Induced Electromotive Force of Tangential Permanent Magnet Synchronous Motors[J]. Mechanical Science and Technology for Aerospace Engineering, 2021, 40(11): 1664-1669. doi: 10.13433/j.cnki.1003-8728.20200541

切向永磁同步电机空载感应电动势谐波削弱分析

doi: 10.13433/j.cnki.1003-8728.20200541
基金项目: 国家自然科学基金项目(51875327)与山东省自然科学基金项目(ZR2020QE155)
详细信息
    作者简介:

    司涛(1966−),工程师,学士,研究方向为汽车电子电气与电动车技术,sitao2006@163.com

  • 中图分类号: TM351; TM359.9

Harmonic Weakening Analysis of No-load Induced Electromotive Force of Tangential Permanent Magnet Synchronous Motors

  • 摘要: 针对切向永磁同步电机空载感应电动势谐波含量高会增加杂散损耗的问题,提出一种优化定子槽参数和转子极面偏心设计相结合的方法,以改善空载感应电动势波形。推导出切向永磁电机空载谐波感应电动势表达式,分析并确定了影响空载感应电动势谐波的关键结构参数,以降低空载感应电动势畸变率为优化目标,采用有限元法分析定子槽口宽度、定子槽高度和转子极面偏心距三个参数对电机空载感应电动势各奇次谐波和波形畸变率的影响规律,获得了最优参数。结果表明,优化后的电机能有效削弱空载感应电动势谐波、降低波形畸变率,同时提高气隙磁密、减小齿槽转矩,提升电机整体性能。
  • 图  1  切向永磁同步电机有限元仿真模型

    图  2  不同定子槽口宽度的空载感应电动势波形

    图  3  谐波幅值随定子槽口宽度的变化

    图  4  基波幅值与波形畸变率随定子槽口宽度的变化

    图  5  不同定子槽高度的空载感应电动势波形

    图  6  谐波幅值随定子槽高度的变化

    图  7  基波幅值与波形畸变率随定子槽高度的变化

    图  8  转子极偏心设计示意图

    图  9  不同极面偏心距的空载感应电动势波形

    图  10  谐波幅值随极面偏心距的变化

    图  11  基波幅值与波形畸变率随极面偏心距的变化

    图  12  优化前后空载感应电动势波形

    图  13  优化前后空载感应电动势谐波幅值

    图  14  优化前后齿槽转矩波形

    图  15  优化前后气隙磁密波形

    表  1  电机参数

    参数参数值参数参数值
    额定电压/V 72 转子铁心外径/mm 106
    额定功率/kW 5 定子铁心内径/mm 106.8
    额定转速/(r·min−1 3000 定子铁心外径/mm 216
    额定转矩/(N·m) 16 电机轴向长度/mm 91
    下载: 导出CSV

    表  2  A相空载感应电动势谐波幅值

    谐波次数幅值/V谐波次数幅值/V
    1 47.91 11 4.38
    3 9.93 13 3.35
    5 1.45 15 0.44
    7 0.46 17 0.03
    9 0.11 19 0.02
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-01-09
  • 网络出版日期:  2022-03-02
  • 刊出日期:  2021-11-05

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