Abstract | ||
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Electric motor design is a multi-variable problem which involves geometric dimensions of the stator and rotor. Presenting a unique solution for a family of optimization criteria has always been a challenge for motor designers. Several numerical tools such a finite element methods (FEM) have been developed to perform a precise analysis and predict the outcome of the design. However, limits in parametric analysis as well as mathematical and computational burden on numerical tools usually prohibit the designer in obtaining a unique solution for the design problem. These limits and demands in optimized solutions motivate the designer to use analytical models in order to perform a comprehensive parametric design. An accurate analytical model is crucial for this purpose. In this paper, an analytical model for permanent magnet assisted synchronous reluctance motor (PMa-SynRM) with four flux barriers and one cutout per pole is developed. Flux densities are found in the air gap, in the Cutouts, and in the flux barriers; thus, the back-EMF developed by the permanent magnets is derived. Equations for the cl-axis and the q-axis inductances are also obtained. Electromagnetic torque is finally derived using the co-energy method. The developed analytical model highlights the contribution of the reluctance variation and permanent magnets on the developed torque. Simulation results are obtained using both Matlab and Ansoft/Maxwell packages. These outcomes are supported by the experimental results obtained from a laboratory test bed. |
Year | DOI | Venue |
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2007 | 10.1109/07IAS.2007.339 | IEEE INDUSTRY APPLICATIONS SOCIETY ANNUAL MEETING |
Keywords | DocType | ISSN |
magnetic flux,finite element method,magnetic flux density,electric motor,torque,permanent magnet,parametric analysis,synchronous motors,optimization,permanent magnets | Conference | 0197-2618 |
Citations | PageRank | References |
1 | 0.61 | 0 |
Authors | ||
3 |
Name | Order | Citations | PageRank |
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salman talebi | 1 | 1 | 0.61 |
P.. Niazi | 2 | 10 | 1.83 |
Hamid A. Toliyat | 3 | 126 | 26.32 |