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  • Advanced Technology of Electrical Engineering and Energy. https://doi.org/10.12067/ATEEE2404004
    Online available: 2026-04-10
    Abstract (26) Download PDF (5)   Knowledge map   Save
    为了高效准确分析电机空载性能，提出了一种异步起动永磁同步磁阻电机空载等效磁网络模型。该模型首先将电机的多层永磁体和磁障、定转子槽型等复杂结构进行等效，其次基于网格法在无序磁场区域构建混合十字型网格磁导，对磁桥和气隙部分应用传统十字型网格，其他区域应用改良十字型网格，并计算各区域的磁导和磁势，建立矩阵形式的磁网络方程，最后考虑定转子铁心饱和的影响进行迭代，理论分析空载时电机考虑定、转子均开槽时的电磁性能。以一台4极5.5 kW、定转子槽配合为36/44的异步起动永磁同步磁阻电机为例，分析空载情况下电机分别只考虑单边开槽时的径向气隙磁通密度和电机的径向电磁力密度等电磁性能，并对比不同气隙网格层数对计算精度和时间的影响。通过有限元法与实验验证等效磁网络模型的准确性，为此类型电机解析计算提供理论指导。
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