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基于机械/电气坐标系变换的无轴承永磁同步电机建模 被引量:5

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摘要 无轴承永磁同步电机具有两套定子绕组,即转矩绕组与悬浮力绕组.通过分析这两套绕组之间的磁链交链情况,提出机械/电气坐标系变换方法,基于该方法推导出无轴承永磁同步电机转矩绕组与悬浮力绕组的磁链方程与电压方程.在分析无轴承永磁同步电机内各部分洛仑兹力作用的基础上,给出无轴承永磁同步电机电磁转矩方程.在分析无轴承永磁同步电机各部分径向力数学表达形式的基础上,得出无轴承永磁同步电机径向悬浮力方程的完整形式.最后给出了实验系统控制框图和部分结果.该数学模型为无轴承永磁同步电机的仿真研究、实验波形分析及结构设计提供了理论依据.
出处 《中国科学(E辑)》 CSCD 北大核心 2010年第1期52-58,共7页 Science in China(Series E)
基金 国家高技术研究发展计划("863"计划)(批准号:2007AA04Z213)资助项目
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