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新型永磁型磁通切换型磁阻电机齿矩机理分析和解析分析模型

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Keywords: 永磁型磁通切换型磁阻电机,齿槽转矩,解析分析模型,有限元法

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Abstract:

永磁型磁通切换型磁阻电机(PMFSM)是一种新型定子永磁型双凸极磁阻电机,具有励磁损耗低和效率高的特点。PMFSM独特的双凸极结构和固定的定转子齿数配合使其齿槽转矩问题较传统永磁电机更加突出。针对目前对PMFSM齿槽转矩研究的不足,本文对比分析了PMFSM与传统永磁电机齿槽转矩机理特点和不同,建立了一套适合于PMFSM齿槽转矩解析分析方法,据此建立了与电机结构参数直接相关的PMFSM齿槽转矩解析模型,对削弱PMFSM的齿槽转矩具有重要的实际工程指导意义。

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