等间距磁极分段PMLSM磁场及其磁阻力分析

为减小永磁直线同步电机（PMLSM）的磁阻力,提高其稳定运行性能,依据PMLSM结构特点,采用对每极下永磁体等分段后再等间距依次排列方法减小磁阻力.建立磁极分段的解析模型,用解析法计算等间距磁极分段时的气隙磁密,分析分段数与气隙磁密之间的关系.确定合理的磁极分段数与电机齿槽力之间的关系,使不同磁极分段产生的齿槽力相互抵消来减小齿槽力,在此基础上,通过在电枢端部特定位置处添加辅助极铁心方法来补偿端部力.有限元结果分析表明,合理选择分段数可使齿槽力明显减小,且使端部力有一定程度减小,进一步采用辅助极后,很好地消弱了端部力....

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Published in电机与控制学报 Vol. 18; no. 10; pp. 74 - 80
Main Author 王明杰 程志平 焦留成
Format Journal Article
LanguageChinese
Published 郑州大学电气工程学院,河南郑州450001 2014
河南城建学院电气工程学院,河南平顶山467036%郑州大学电气工程学院,河南郑州,450001
Subjects
PMLSM
磁极分段
磁阻力
端部力
齿槽力
PMLSM
detent force
磁阻力
slot force
end force
磁极分段
magnet segmentation
端部力
齿槽力
Online AccessGet full text
ISSN1007-449X

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Abstract 为减小永磁直线同步电机（PMLSM）的磁阻力,提高其稳定运行性能,依据PMLSM结构特点,采用对每极下永磁体等分段后再等间距依次排列方法减小磁阻力.建立磁极分段的解析模型,用解析法计算等间距磁极分段时的气隙磁密,分析分段数与气隙磁密之间的关系.确定合理的磁极分段数与电机齿槽力之间的关系,使不同磁极分段产生的齿槽力相互抵消来减小齿槽力,在此基础上,通过在电枢端部特定位置处添加辅助极铁心方法来补偿端部力.有限元结果分析表明,合理选择分段数可使齿槽力明显减小,且使端部力有一定程度减小,进一步采用辅助极后,很好地消弱了端部力.
AbstractList 为减小永磁直线同步电机（PMLSM）的磁阻力,提高其稳定运行性能,依据PMLSM结构特点,采用对每极下永磁体等分段后再等间距依次排列方法减小磁阻力.建立磁极分段的解析模型,用解析法计算等间距磁极分段时的气隙磁密,分析分段数与气隙磁密之间的关系.确定合理的磁极分段数与电机齿槽力之间的关系,使不同磁极分段产生的齿槽力相互抵消来减小齿槽力,在此基础上,通过在电枢端部特定位置处添加辅助极铁心方法来补偿端部力.有限元结果分析表明,合理选择分段数可使齿槽力明显减小,且使端部力有一定程度减小,进一步采用辅助极后,很好地消弱了端部力.
TM359.4; 为减小永磁直线同步电机(PMLSM)的磁阻力,提高其稳定运行性能,依据PMLSM结构特点,采用对每极下永磁体等分段后再等间距依次排列方法减小磁阻力.建立磁极分段的解析模型,用解析法计算等间距磁极分段时的气隙磁密,分析分段数与气隙磁密之间的关系.确定合理的磁极分段数与电机齿槽力之间的关系,使不同磁极分段产生的齿槽力相互抵消来减小齿槽力,在此基础上,通过在电枢端部特定位置处添加辅助极铁心方法来补偿端部力.有限元结果分析表明,合理选择分段数可使齿槽力明显减小,且使端部力有一定程度减小,进一步采用辅助极后,很好地消弱了端部力.
Author 王明杰 程志平 焦留成
AuthorAffiliation 郑州大学电气工程学院,河南郑州450001 河南城建学院电气工程学院,河南平顶山467036
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Author_FL CHENG Zhi-ping
JIAO Liu-cheng
WANG Ming-jie
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DocumentTitleAlternate Analysis of the magnetic field and detent force in permanent magnet linear synchronous motor with equal distance between magnet segmentation
DocumentTitle_FL Analysis of the magnetic field and detent force in permanent magnet linear synchronous motor with equal distance between magnet segmentation
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Issue 10
Keywords PMLSM
detent force
磁阻力
slot force
end force
磁极分段
magnet segmentation
端部力
齿槽力
Language Chinese
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Notes 23-1408/TM
WANG Ming-jie,CHENG Zhi-ping,JIAO Liu-cheng（1.School of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, China;2.School of Electrical Engineering, Henan University of Urban Construction, Pingdingshan 467036, China）
PMLSM ; magnet segmentation ; detent force ; slot force ; end force
In order to reduce the detent force and improve the steady operation pefformance of the permanent magnet linear synchronous motor（PMLSM）,the magnets were divided into several same segmentation which are placed in a equal distance in a pole pitch according to the structe of the motor.Based on the analytical model with magnet segmentation,the analysis method was adopted to compute the formulas of the air-gap flux density,and to analyze the relationship between the number of magnet segmentation and air-gap flux density.The suitable number of magnet segmentation was deterned to reduce the slot force.On this basis,the end force was reduced by using the auxiliary poles which are fixed on both sides of armate core.B
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PublicationTitle 电机与控制学报
PublicationTitleAlternate Electric Machines and Control
PublicationTitle_FL Electric Machines and Control
PublicationYear 2014
Publisher 郑州大学电气工程学院,河南郑州450001
河南城建学院电气工程学院,河南平顶山467036%郑州大学电气工程学院,河南郑州,450001
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Snippet 为减小永磁直线同步电机（PMLSM）的磁阻力,提高其稳定运行性能,依据PMLSM结构特点,采用对每极下永磁体等分段后再等间距依次排列方法减小磁阻力.建立磁极分段的解析模型,用...
TM359.4; 为减小永磁直线同步电机(PMLSM)的磁阻力,提高其稳定运行性能,依据PMLSM结构特点,采用对每极下永磁体等分段后再等间距依次排列方法减小磁阻力.建立磁极分段的解析...
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StartPage 74
SubjectTerms PMLSM
磁极分段
磁阻力
端部力
齿槽力
Title 等间距磁极分段PMLSM磁场及其磁阻力分析
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