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A permanent magnet bearing for flywheel energy storage systems — Numerical modeling

This paper presents numerical simulation results of a passive magnetic bearing (PMB) used in Flywheel Energy Storage Systems FESS. The magnetic design, the modal analysis, aimed to outline the first six eigenmodes, and a kinetic analysis for the PMB with and without radial eccentricity are presented. These methods and results are valuable in the design phase of the PMB, for sizing its main parameters.