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摘要:
A new linear synchronous motor (LSM) with permanent magnet (PM) is proposed to develop a linear motor for transportation with high efficiency. The LSM has very high air-gap flux density beyond the remanent magnetization of rare earth PM, which is generated by a special field structure with rare earth PM. Two PMs are arranged to form a triangle over each pole to concentrate the flux of PMs. The maximum value of air-gap flux density is limited to the magnetic saturated value in the core of field and armature, respectively, which is about 2T. The configuration is insusceptible to armature reaction because of large equivalent magnetic resistance in the flux path. The characteristics are analyzed using a two-dimensional finite element method (FEM) considering the core material. For high air-gap flux density and small armature reaction, the very high thrust density beyond the conventional maximum value of 100kN/m2 can be obtained. Using normal thrust density with small magneto-motive force (mmf) of armature, this LSM has efficiency and power factor that are as high as or higher than a rotational motor.
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篇名 High Efficiency LSM with High Flux Density for Transportation
来源期刊 交通科技期刊(英文) 学科 医学
关键词 Permanent Magnet SYNCHRONOUS MOTOR LINEAR SYNCHRONOUS MOTOR LSM HIGH flux Density HIGH Efficiency LINEAR MOTOR TRANSPORTATION
年,卷(期) 2011,(4) 所属期刊栏目
研究方向 页码范围 102-106
页数 5页 分类号 R73
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
Permanent
Magnet
SYNCHRONOUS
MOTOR
LINEAR
SYNCHRONOUS
MOTOR
LSM
HIGH
flux
Density
HIGH
Efficiency
LINEAR
MOTOR
TRANSPORTATION
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
交通科技期刊(英文)
季刊
2160-0473
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
254
总下载数(次)
0
总被引数(次)
0
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