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Electromagnetic design and performance evaluation on 75 kW axially laminated flux switching permanent magnet machine

机译:75 kW轴向叠片式磁通切换永磁电机的电磁设计与性能评估

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One 75 kW axially laminated flux switching permanent magnet machine (ALFSPMM) with 12/14 (stator/rotor) poles is proposed in this paper. For the stator lamination in parallel with the direction of permanent magnet flux linkage, it can make full use of permanent magnet and reduce relevant flux leakage and iron loss especially in high speed applications. Because of partly serious saturation and nonlinear trait of inductance, optimal electromagnetic design has been done to decrease the cogging torque and part saturation of flux density distributed in the tip or edge of stator tooth and rotor pole. Theoretical investigation on ALFSPMM is confirmed by plentiful simulations mainly based on two-dimensional model analyzed by finite element algorithm on the platform of commercial software Ansoft Maxwell 12. Compared with the traditional flux switching permanent magnet machine (FSPMM), ALFSPMM has stronger torque density, greater flux weakening ability, and higher efficiency. It can be regarded as one ideal candidate for the drive system of plug-in hybrid electrical vehicle (PHEV).
机译:提出了一种具有12/14(定子/转子)磁极的75 kW轴向叠片式磁通量开关永磁电机(ALFSPMM)。对于与永磁磁通方向平行的定子叠片,可以充分利用永磁体,并减少相关的磁通泄漏和铁损,特别是在高速应用中。由于部分严重的饱和度和电感的非线性特性,因此已经进行了最佳的电磁设计,以减小齿槽转矩和分布在定子齿的尖端或边缘以及转子磁极中的磁通密度的部分饱和。 ALFSPMM的理论研究主要通过在有限元算法分析的二维模型的基础上,在商业软件Ansoft Maxwell 12的平台上进行的大量仿真验证。与传统的磁通切换永磁电机(FSPMM)相比,ALFSPMM的转矩密度更高,更大的弱磁能力和更高的效率。它可以被视为插电式混合动力汽车(PHEV)驱动系统的理想选择。

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