A Novel Five-Phase Fractional Slot Concentrated Winding with Low Space Harmonic Contents - Archive ouverte HAL
Article Dans Une Revue IEEE Transactions on Magnetics Année : 2021

A Novel Five-Phase Fractional Slot Concentrated Winding with Low Space Harmonic Contents

Résumé

In this article, a novel five-phase fractional-slot concentrated winding (FSCW) with 20-slot/22-pole is presented. It benefits not only the advantages of conventional FSCW but also weak space harmonics of magnetomotive force (MMF). The winding allows eliminating the first sub-order harmonic. The new layout of the winding topology is obtained by a combination of stator shift technique of the winding in the slots with a special coupling of the windings (star-pentagon), using winding function theory. The high performances of the new winding layout are validated using the finite element method (FEM). Compared to the conventional winding, the winding factor and the total harmonic distortion (THD) of MMF are improved by 1.3% and 2.2%, respectively. With the same injection of current density, the average output torque is increased by 1% and the torque ripple is decreased by 60%. The eddy current losses in the permanent magnets (PMs) at rated speed (600 r/min) and 2100 r/min speed are improved by 67% and 56%, respectively.
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Dates et versions

hal-03335270 , version 1 (06-09-2021)

Identifiants

Citer

B. Zhao, J. Gong, T. Tong, Y. Xu, E. Semail, et al.. A Novel Five-Phase Fractional Slot Concentrated Winding with Low Space Harmonic Contents. IEEE Transactions on Magnetics, 2021, 57 (6), pp.5. ⟨10.1109/tmag.2021.3057650⟩. ⟨hal-03335270⟩
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