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AuthorAbdel-Khalik, Ayman S.
AuthorAhmed, Shehab
AuthorMassoud, Ahmed M.
Available date2021-09-01T10:03:30Z
Publication Date2016
Publication NameIEEE Transactions on Magnetics
ResourceScopus
URIhttp://dx.doi.org/10.1109/TMAG.2016.2535230
URIhttp://hdl.handle.net/10576/22477
AbstractThis paper proposes a six-phase surface-mounted permanent-magnet machine with a 24-slot/10-pole fractional slot winding, which not only eliminates the air-gap flux subharmonics, but also minimizes the effect of slot harmonics, which highly affect both the core and magnet losses. The six-phase winding design also offers an improved drive train availability for electric vehicle applications due to its inherent high fault-tolerant capability. When compared with a three-phase design, the proposed winding offers approximately 3.5% improvement in torque density, a significant reduction in both the core and magnet losses, and an improved overall efficiency. The proposed winding is deduced based on the stator shifting concept of two 12-slot/10-pole stators with single tooth windings. The coil span of the resulting machine will be two slots, which stands as a compromise between single tooth and distributed windings. The concept of stator shifting is first presented, and then, a prototype machine is designed and simulated using the 2-D finite-element analysis to validate the proposed concept. A comparative study is also carried out to compare six-phase and three-phase designs with the same slot/pole combination and also with the 18-slot/10-pole combination, which was recently shown to be a competitive alternative. 1965-2012 IEEE.
Languageen
PublisherInstitute of Electrical and Electronics Engineers Inc.
SubjectElectric automobiles
Electric machinery
Finite element method
Permanent magnets
Stators
Winding
Eddy current-loss
Fractional slot concentrated windings (FSCW)
Six-phase
slot/pole combinations
Surface-mounted permanent magnet
Machine windings
TitleA Six-Phase 24-Slot/10-Pole Permanent-Magnet Machine with Low Space Harmonics for Electric Vehicle Applications
TypeArticle
Issue Number6
Volume Number52
dc.accessType Abstract Only


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