Abstract

Analytical calculations of electrical machines are expeditious tools for the design and the analysis of their performance. In contrast with conventional electrical machines such as a brushless DC motor, induction and synchronous machines, a magnetic geared motor (MGM) is operated using space harmonics of magnetic flux in the air gap due to the magnetomotive force of the permanent magnet on the high speed rotor and stator, and the air gap permeance of the low speed rotor and the stator teeth. This paper describes the operational principle of the MGM and the comparison of the air gap magnetic flux density between an analytical calculation and the finite element analysis

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