基于子域法的准内置式轴向磁通永磁电机磁场解析计算
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关键词：准内置式;轴向磁通永磁电机;双定子单转子;定子斜槽;子域模型;磁场解析计算DOI：10.15938/j. emc. 2025.11.007中图分类号：TM351 文献标志码：A 文章编号：1007-449X（2025）11-0069-08
Analytical calculation of magnetic field in quasi-interior axial flux permanent magnet machines based on subdomain method
YAN Wei， PENG Bing （School of Electric Engineering， Shenyang University of Technology，Shenyang 11O870，China）
Abstract：To address the problem of time-consuming nature for finite element simulation in quasi-interior axial flux permanent magnet machines，a magnetic field analytical model based on the subdomain method was proposed，providing an efficient tool for rapid magnetic field calculation and performance analysis of such machines.Based on the topological structure and the material properties of the machine，five subdomains were divided： slots region，slot opening region， air gap region， interpolar region，and permanent magnet region. By combining the governing equations of each subdomain and the boundary conditions between diferent subdomains，the vector potential equations within diffrent subdomains were solved，and the air gap magnetic flux density，flux linkage of phase winding，no-load back electromotive force，and electromagnetic torque of the machine were calculated.To verify effctiveness of the proposed analytical model，the calculation results of the analytical model were compared with finite element simulations and prototype experiments. Compared with the finite element simulation，the proposed analytical model has the advantages of fast modeling speed and short calculation time，and is applicable to diffrent stator-rotor combinations and different pole-slot numbers，which provides convenience for the future theoretical analysis and parameter optimization in the design of quasi-interior axial flux permanent magnet machines.
Keywords：quasi-interior;axial flux permanent magnet machine； dual-stator single rotor; stator skew; accurate subdomain model；magnetic field analytical calculation
0引言
轴向磁通永磁电机（axial fluxpermanentmagnetmachine，AFPMM）因其结构紧凑、功率密度大等优点，在新能源汽车、船舶推进、航天航空及飞轮储能等领域具有广泛应用前景[1-3]。（剩余8632字）
