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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:

21

期数:

2017年08

页码:

62-71

栏目:

出版日期:

2017-08-01

文章信息/Info

Title:

Optimal design of an interior permanent magnet synchronous motor with a spliced type rotor

作者:

?司萌1; 2 ;  杨向宇1 ;  赵世伟1 ;  司纪凯3

?( 1．华南理工大学 电力学院，广东 广州 510640; 2．国网重庆市电力公司电力科学研究院，重庆 401123; 3．河南理工大学 电气工程与自动化学院，河南 焦作 454000)

Author(s):

?SI Meng 1; 2?;  YANG Xiang-yu 1 ;  ZHAO Shi-wei 1 ;  SI Ji-kai 3

?( 1．School of Electric Power，South China University of Technology，Guangzhou 510640，China;
2．State Grid Chongqing Electric Power Corporation Chongqing Power Ｒesearch Institude，Chongqing 401123，China;
3．School of Electrical Engineering and Automation，Henan Polytechnic University，Jiaozuo 454000，China)

关键词:

永磁同步电动机;  拼接式转子;  磁障;  优化;  田口法

Keywords:

permanent magnet synchronous motor;  spliced type rotor;  flux barrier;  optimization;  Taguchi method

分类号:

TM 351

DOI:

10.15938/j.emc.2017.08.009

文献标志码:

A

摘要:

针对传统内置永磁同步电动机漏磁系数较大，隔磁桥机械强度较差等特点，提出一种拼接式转子，这种转子具有若干个独立的铁心，用高强度非铁磁部件通过鸽尾形槽把这些铁心拼接起来，这种转子不需要隔磁桥，所以这种转子能够有效限制漏磁。拼接式转子的铁心具有一些磁障
( 空气槽) ，这些磁障可以影响气隙内的磁场分布从而实现近似正弦分布的气隙磁密波形。初步设计了一台基于拼接式转子的 3 kW 电动机，采用田口法对转子磁障的关键参数进行了优化，并对拼接式转子和传统内置永磁转子进行了对比分析，结果表明所提出的拼接式转子优于传统内置永磁转子。

Abstract:

Considering that the flux leakage coefficients of conventional interior permanent magnet synchronous motors ( IPMSM) are relatively high，and the mechanical strengths of the rotor bridges are relatively low，a kind of spliced type rotor is proposed．The spliced type rotor has several individual iron core parts，which are spliced together by high strength nonmagnetic components using dovetail slots．The rotor does not require bridges，and hence the leakage flux of the rotor can be restricted effectively．There are several flux barriers ( air slots) in the iron core parts of the spliced type rotor，and these flux barriers can influence the magnetic field distributions in the air gap and realize a near-sinusoidal air gap flux density waveform．The initial design parameters of a 3 kW motor based on the spliced type rotor were obtained from the initial design process，and several key parameters of the rotor flux barriers were optimized by using the Taguchi method．A comparative analysis of the spliced type rotor and a conventional interior permanent magnet rotor was performed，and the comparative analysis results show that the spliced type rotor is superior to the conventional interior permanent magnet rotor．

参考文献/References:

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备注/Memo

备注/Memo:

?收稿日期: 2016－04－19
基金项目: 国家自然科学基金( U1361109，51107041)
作者简介: 司 萌( 1987—) ，男，博士研究生，研究方向为特种电机及其控制;
杨向宇( 1963—) ，男，博士，教授，博士生导师，研究方向为特种电机及其控制;
赵世伟( 1977—) ，男，博士，副教授，硕士生导师，研究方向为特种电机及其控制;
司纪凯( 1973—) ，男，博士，副教授，硕士生导师，研究方向为特种电机及其控制

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更新日期/Last Update: 2017-11-20