A High Force Density HTS Tubular Vernier Machine

In this paper, a high force density, high-temperature superconductor dual-stator tubular Vernier machine (HTS-DSTVM) has been proposed for wave energy extraction. The machine adopts dual-stator configuration with spoke-type permanent magnets on the translator. The inner stator does not have any wind...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2017-11, Vol.53 (11), p.1-5
Main Authors: Baloch, Noman, Khaliq, Salman, Byung-Il Kwon
Format: Article
Language:English
Subjects:
Density
Finite element method
Flux
Force
Force density
High temperature superconductors
high-temperature superconductor
Leakage
Magnetism
Modulation
Permanent magnets
Power factor
Reactive power
Shielding
Stator windings
Thrust
tubular
Vernier
Wave power
Windings
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Summary:In this paper, a high force density, high-temperature superconductor dual-stator tubular Vernier machine (HTS-DSTVM) has been proposed for wave energy extraction. The machine adopts dual-stator configuration with spoke-type permanent magnets on the translator. The inner stator does not have any winding, and HTS bulks are placed between the adjacent flux modulation teeth of the inner stator to decrease the leakage flux and improve the force density. The HTS bulks effectively shield the leakage flux of the proposed HTS-DSTVM to improve the force density and power factor. 2-D finite-element method results validate that the proposed HTS-DSTVM yields a higher thrust force density per magnet volume and higher power factor compared with the recently presented flat dual-stator spoke-type linear Vernier machine due to the leakage flux shielding effect of HTS bulks.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2017.2709339