|本期目录/Table of Contents|

[1]赵祥,范瑜,夏静,等.一种减小永磁电机转子损耗的转子结构[J].电机与控制学报,2019,23(02):62-67.[doi:10.15938/j.emc.2019.02.008]
 ZHAO Xiang,FAN Yu,XIA Jing,et al.Rotor structure to reduce rotor losses of permanent magnet electric machines[J].,2019,23(02):62-67.[doi:10.15938/j.emc.2019.02.008]
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一种减小永磁电机转子损耗的转子结构
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
23
期数:
2019年02
页码:
62-67
栏目:
出版日期:
2019-02-15

文章信息/Info

Title:
Rotor structure to reduce rotor losses of permanent magnet electric machines
作者:
 赵祥12 范瑜1 夏静2 张奕黄1
 ( 1. 北京交通大学电气工程学院,北京100044; 2. 北京金风科创风电设备有限公司,北京100176)
Author(s):
 ZHAO Xiang12 FAN Yu1 XIA Jing2 ZHANG Yi-huang1
 ( 1. School of Electrical Engineering,Beijing Jiaotong University,Beijing 100044,China;2. Goldwind Science & Technology Co. ,Ltd. ,Beijing 100176,China)
关键词:
容错电机 永磁同步电机 模块化 分数槽集中绕组 次谐波
Keywords:
fault tolerant electric machine permanent magnet electric machine modular fractional-slot concentrated winding low-order harmonics
分类号:
TM 351
DOI:
10.15938/j.emc.2019.02.008
文献标志码:
A
摘要:
单层分数槽集中绕组具有良好的物理隔离、热隔离和磁隔离能力,故其特别适用于表贴式永磁同步容错电机。针对单层分数槽集中绕组磁场的低次谐波幅值很高,从而引起高的永磁体涡流损耗和转子铁心损耗的缺点,提出了一种单层分数槽集中绕组表贴式永磁同步容错电机的转子
模块化结构,分析了该种转子模块化结构减小转子损耗的原理,并以12 槽5 对极电机为例,通过仿真计算对比了所提结构与其它削弱电枢磁场次谐波技术对电机各项性能的影响。研究结果表明,采用该结构后可以降低电机转子损耗约36%,提高平均转矩5% ~ 10%。
Abstract:
Due to excellent performance of physical,thermal and magnetic insulation capacity,single-layer fractional-slot concentrated windings are desirable to be used in surface-mounted permanent magnet fault-tolerant electric machines. However,the amplitude of low-order space harmonics produced by single-layer fractional-slot concentrated windings is high,which will cause very high eddy current losses in permanent magnets and iron losses of rotor iron core. This paper proposes a modular rotor structure to reduce
rotor losses in surface-mounted permanent magnet electric machines with single-layer fractional-slot concentrated windings. The principle of the proposed structure was explained. Performance differences between the proposal and other techniques which can also reduce rotor losses were investigated by using numerical simulation. The conclusion shows that the proposed modular rotor structure can reduce rotor losses by 36% and increase the average torque 5% ~ 10%.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2017 - 12 - 27
基金项目: 国家高技术研究发展计划( 863 计划) : 2012AA052301
作者简介: 赵祥( 1979—) ,男,博士研究生,研究方向为大功率、高可靠性直驱永磁发电机设计;
范瑜( 1954—) ,男,教授,博士生导师,研究方向为电机及其控制;
夏静( 1983—) ,女,博士研究生,研究方向为大型风力发电机组永磁发电机设计;
张奕黄( 1958—) ,男,教授,博士生导师,研究方向为电机及其控制。
通信作者: 赵祥
更新日期/Last Update: 2019-03-24