A Comprehensive Analytical Mathematic Model for Permanent-Magnet Synchronous Machines Incorporating Structural and Saturation Saliencies

Publisher:
IEEE
Publication Type:
Journal Article
Citation:
IEEE Transactions On Magnetics, 2010, 46 (12), pp. 4081 - 4091
Issue Date:
2010-01
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We introduce a new method to model permanent-magnet synchronous machines (PMSMs) with saliencies due to the salient structure and magnetic saturation. We define two parameters to indicate these saliencies, i.e., the structural saliency ratio $(K_{rm str})$ and the saturation saliency ratio $(K_{rm sat})$. To verify the nonlinear model, we tested a real PMSM and numerically simulated it. The nonlinear inductance matrix is deduced and expressed by a nonlinear function regressed from the experimental data. The simulation and experimental results agree well with each other.
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