期刊
IET ELECTRIC POWER APPLICATIONS
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1049/elp2.12385
关键词
electric machine analysis computing; equivalent circuits; optimisation; permanent magnet motors
The study presents a novel 2D analytical model for analyzing the magnetic flux density distribution in the air gap of a dual-stator axial-field flux-switching permanent magnet motor. The model uses virtual surface currents to calculate the flux density and shows high accuracy and applicability for various axial-field PM motor applications.
The two-dimensional (2D) analytical model for the calculation of the components of the flux density distribution in the air gap in a dual-stator axial-field flux-switching permanent magnet (PM) motor (DSAFFSPM) is presented. The novelties of this study are deriving a 2D hybrid analytical model and replacing the rotor teeth with some surface currents for the calculation of air-gap magnetic flux density for the first time in the DSAFFSPM motor. The 2D analytical model for DSAFFSPMs is more challenging due to the doubly salient structure and inner PM of the stator. 1D analytical interior PMs are first transferred to the bore of the stator body using the magnetic equivalent circuit model (MEC). Next, the effects of the rotor teeth are taken into consideration by injecting virtual surface currents for 2D analytical model. Applying boundary conditions and solving the Laplace/Poisson equations, the vertical and tangential flux components of the flux density distribution in the air-gap DSAFFSPM motor are computed. The verification of the proposed method and the obtained results are validated by the 3D finite element method. The authors introduce a novel 2D analytical model employing virtual surface currents for predicting the machine characteristics in a dual-stator axial-field flux-switching permanent magnet motor with high accuracy and offer a streamlined, non-iterative approach suitable for various axial-field PM motor applications.image
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