Abstract
In this paper, the authors present a novel analytical model for rotordynamic analysis of a high-speed permanent magnet synchronous machine (HS-PMSM) with a retention sleeve. The proposed analytical model has a fast response, accurate results, and sample formulation, and is validated with the finite-element method (FEM). The obtained results show the proper accuracy of the proposed analytical solution approach. The significant results are: The analytical formulation model proposed for the rotordynamic analysis of the HS-PMSMs can accurately calculate the displacement and the stress of the solid cylinder of the rotor at any high speeds and temperature rises. Furthermore, the proposed analytical model is concerning the temperature changes in the rotor and ensures requirements in any temperature rising and high rotational speeds.
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