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首页> 外文期刊>IEEE Transactions on Magnetics >Analysis on a Novel Flux Adjustable Permanent Magnet Coupler With a Double-Layer Permanent Magnet Rotor
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Analysis on a Novel Flux Adjustable Permanent Magnet Coupler With a Double-Layer Permanent Magnet Rotor

机译：具有双层永磁转子的新型磁通量可调永磁耦合器的分析

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摘要

This paper proposes a novel flux adjustable permanent magnet coupler (PMC) with a double-layer permanent magnet rotor (PMR). The PMR, as the only excited source, is divided into the inner and outer parts. The PMs in both parts are, respectively, staggered arrangement by N- and S-poles with tangentially magnetized direction. The inner part can be controlled to rotate to adjust the relative position with the outer part to offer a controllable excitation magnetic field. Therefore, the eddy current intensity and torque can also be adjustable. The structure and operation principle of the proposed PMC are illustrated in detail. Then, to analyze the field and torque at each different relative position of the two parts of PMRs, the change period of the relative position, from N-N (and S-S) to N-S state, is divided into seven steps. The distribution of magnetic field and air-gap flux density of each relative position is analyzed in static field, and the torque-speed curves are calculated in transient field by using the 2-D finite-element method. Finally, based on the torque-speed characteristics, the influences of the structural parameters on the torque are analyzed and calculated, which can provide a reference for structural optimization design of this kind of PMC.
机译：本文提出了一种新型的带有双层永磁转子（PMR）的磁通可调永磁耦合器（PMC）。 PMR作为唯一的激发源，分为内部和外部。两部分中的PM分别由N和S极沿切向磁化方向交错排列。可以控制内部旋转以调节与外部的相对位置，以提供可控的激励磁场。因此，涡流强度和转矩也可以调节。详细说明了所提出的PMC的结构和工作原理。然后，为了分析两部分PMR相对位置的磁场和转矩，将相对位置从N-N（和S-S）状态转换为N-S状态的周期分为七个步骤。在静态场中分析了每个相对位置的磁场分布和气隙磁通密度，并使用二维有限元方法在瞬态场中计算了转矩-速度曲线。最后，基于转矩-速度特性，分析和计算了结构参数对转矩的影响，可为此类永磁同步电动机的结构优化设计提供参考。

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