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Exact Analytical Method for Surface-Mounted Permanent-Magnet Brushless Motors
Author(s): 
Pages: 83-88
Year: Issue:  11
Journal: Transactions of China Electrotechnical Society

Keyword:  表贴式 永磁无刷电机 气隙磁场 齿槽转矩 反电动势 直接解析法;
Abstract: 采用直接解析法计算表贴式永磁无刷电机空载气隙主磁场、齿槽转矩和反电动势。求解场域划分为气隙、永磁体和槽区域,三个子区域的拉普拉斯方程或泊松方程通过交界条件建立联系,然后采用解析法直接求解。计算中确切计及了实际槽深和槽间距离。开槽气隙主磁场、齿槽转矩和反电动势解析计算波形分别与二维有限元法计算结果和实验波形作比较,比较结果较为一致,证明了本文方法的正确性和有效性。
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