Abstract
This paper focuses on the comparative analysis between the linear PM vernier machines and the linear PM synchronous machines in aspect of thrust force characteristics. Under the same primary dimensions, the no-load and on-load performances of two vernier machines and two synchronous machines with typical slot-pole combinations are compared using finite element method, including the no-load flux distribution, air-gap magnetic flux density, back-EMF, detent force, thrust force, and overload capacity. Besides, the influence of the main parameters, such as the end teeth width, slot opening ratio, pole-arc coefficient, PM thickness, and yoke thickness, on the average thrust force and thrust force ripple are investigated.
Published Version
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