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首页> 外文期刊>IEEE Transactions on Magnetics >Effect of Pole–Slot Combination on Eddy-Current Formation in PMSM Rotor Assembly Including Retaining Plate Structure
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Effect of Pole–Slot Combination on Eddy-Current Formation in PMSM Rotor Assembly Including Retaining Plate Structure

机译：极槽组合对包括保持板结构在内的永磁同步电机转子组件涡流形成的影响

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摘要

The results of the 3-D finite-element method electromagnetic analysis of the constant speed variable output permanent magnet synchronous motor including the rotor retaining plate structure confirmed that the eddy current flow was induced in the rotor part. Eddy current flows from the permanent magnet to the rotor retaining plate, and it was found that there is induced voltage that generates eddy currents in the retaining plate from the aspect of eddy-current distribution. The eddy current flow from the permanent magnet to the retaining plate is related to the change in magnetic resistance during rotation and is also related to the effect of slot harmonics on the air-gap magnetic flux density. In this paper, the characteristics of the eddy current flow in the rotor assembly were investigated when the retaining plate is included for various slot combinations. The eddy-current generation according to the slot combination is analyzed and the cause of such tendency was investigated. Furthermore, from the pattern of eddy-current formation, it was noted that the aperiodic pole-slot combination models may have a larger eddy-current loss increase when combined with the retaining plate.
机译：对具有转子保持板结构的等速可变输出永磁同步电动机的3-D有限元方法电磁分析的结果证实，在转子部分中感应出涡流。涡流从永磁体流向转子保持板，并且从涡流分布的角度发现，存在感应电压在保持板中产生涡流。从永磁体流向保持板的涡流与旋转过程中的磁阻变化有关，还与缝隙谐波对气隙磁通密度的影响有关。在本文中，研究了当包括用于各种槽组合的固定板时，转子组件中涡流的特性。分析了根据槽缝组合产生的涡流，并研究了这种趋势的原因。此外，从涡流形成的模式可以看出，与固定板结合使用时，非周期性极槽组合模型的涡流损耗增加可能更大。

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