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外永磁转子爪极电机磁路模型的建立与参数计算

, PP. 19-24

Keywords: 爪极电机,磁路分析,参数计算,外转子

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Abstract:

外永磁转子爪极电机是近年来出现的一种新型结构电机,在节能调速和汽车电气系统中具有很好的应用前景。本文在对该种电机的结构特点以及运行机理进行综合分析的基础上,详细分析了电机复杂的主磁通及漏磁通情况,并建立了其简化的等效磁路模型。之后根据电机的结构特点推导出了磁路模型中磁阻和电机电抗参数的解析计算公式,并通过磁路模型得到了该种电机的反电动势计算式。为了验证磁路模型的正确性,本文研制的实验样机的实验结果与磁路模型计算值的一致性表明了理论工作的正确性和可行性。该研究工作为该种新型结构电机的深入研究打下了技术基础。

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