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A Dual-Stator HTS Modular Linear Vernier Motor for Long Stroke Applications
Shi, Yujun1; Ching, T. W.2; Zhong, Junwen1; Jian, Linni3
Source PublicationIEEE Transactions on Applied Superconductivity

This paper proposes a dual-stator high-temperature-superconducting modular linear vernier motor (DS-HTS-MLVM), suitable for long stroke applications. The dual stators are two pure slotted-cores, and staggered by half the stator pole-pitch. The mov-er adopts a modular structure, installed with HTS excitation wind-ings and copper armature windings. The cryostats for HTS wind-ings also adopt a modular structure. In space, the HTS windings and the copper windings are perpendicular to each other, and in different slots. The main merits of the proposed motor are that: 1) the staggered stators with simple structure help to significantly suppress force ripple; 2) the distribution of the two sets of windings can eliminate the conflict of slot space; 3) the modular mover, and the modular cryostats for HTS windings reduce the installation difficulty; 4) the excitation field and air-gap flux can be flexibly adjusted by controlling the DC. In this paper, the structure and the working principle of the proposed motor are elaborated. With the help of finite element method, the electromagnetic performance of the proposed motor is analyzed, and compared to a DS-HTS-MLVM with two stators aligned. The results show that the proposed motor can significantly improve the thrust force density and power density and suppress the force ripple.

KeywordAir Gaps Copper Force Force Density Force Ripple High-temperature Superconductors Hts Linear Motor Modular Stators Synchronous Motors Vernier Motor Windings
URLView the original
Indexed BySCIE
WOS Research AreaEngineering ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Physics, Applied
WOS IDWOS:000779603900003
Scopus ID2-s2.0-85127072266
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Corresponding AuthorJian, Linni
Affiliation1.Electrical and Electronic Engineering, University of Macau Faculty of Science and Technology, 365328 Taipa, Macau, China
2.Department of Electromechanical Engineering, University of Macau, 59193 Taipa, Macau, China
3.Department of Electrical and Electronic Engineering, Southern University of Science and Technology, 255310 Shenzhen, Guangdong, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Shi, Yujun,Ching, T. W.,Zhong, Junwen,et al. A Dual-Stator HTS Modular Linear Vernier Motor for Long Stroke Applications[J]. IEEE Transactions on Applied Superconductivity,2022,32(6).
APA Shi, Yujun,Ching, T. W.,Zhong, Junwen,&Jian, Linni.(2022).A Dual-Stator HTS Modular Linear Vernier Motor for Long Stroke Applications.IEEE Transactions on Applied Superconductivity,32(6).
MLA Shi, Yujun,et al."A Dual-Stator HTS Modular Linear Vernier Motor for Long Stroke Applications".IEEE Transactions on Applied Superconductivity 32.6(2022).
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