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基于等效磁路法的轴向永磁电机效率优化设计

, PP. 73-79

Keywords: 轴向永磁电机,等效磁路,损耗,效率优化

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Abstract:

针对双转子单定子模块化轴向永磁电机的磁场和性能计算,基于等效磁路法提出一种快速计算模型,探讨了定子内外径、永磁体轴向长度、气隙长度等参数对电机损耗和效率的影响。针对一台30kW定子模块化轴向永磁电机进行了效率优化设计,进一步利用所提出的等效磁路模型计算了电机气隙和定子齿的磁通密度波形、感应电动势等。该模型考虑了磁路饱和、电枢反应、漏磁通以及定转子相对运动的影响,将计算结果与有限元法进行对比,验证了模型的正确性与优化设计的有效性。

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