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首页> 外文期刊>Electric Power Applications, IET >Analysis of coupling between two sub-machines in co-axis dual-mechanical-port flux-switching PM machine for fuel-based extended range electric vehicles
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Analysis of coupling between two sub-machines in co-axis dual-mechanical-port flux-switching PM machine for fuel-based extended range electric vehicles

机译：燃油加宽电动汽车同轴双机械口磁通切换永磁电机中两个子机之间的耦合分析

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摘要

The permanent magnet (PM) field coupling between inner and outer machines of co-axis dual-mechanical-port flux-switching PM (CADMP-FSPM) machines is investigated. Firstly, the relationships between the inner and outer stator teeth are analytically evaluated, with three key stator teeth types defined, i.e. series, parallel, and independent teeth. Secondly, the negative effects of PM field coupling, including high even-order electromotive force (EMF) harmonics, three-phase EMFs asymmetry and DC bias component in flux-linkages, are investigated and verified by two CADMP-FSPM machines, namely, 5/6-12/22, and 5/6-18/42 structures. It is found that for avoiding the negative effects of PM field coupling, all inner and outer stator teeth types should be the same, thus, a 10/12-12/22 structure CADMP-FSPM machine is introduced for analysis. Thirdly, the performance of the 10/12-12/22, 5/6-12/22, and 5/6-18/42 structures, featured by PM field distributions, d-axis flux-linkage ripples, cogging torques, electromagnetic torques, losses and efficiencies, are comparatively analysed by finite element (FE) analysis. The results indicate that the 10/12-12/22 structure exhibits the lowest PM field coupling level and the best performance. Moreover, the 10/12-12/22 structure can avoid all the negative effects of PM field couplings. A prototyped 10/12-12/22 CADMP-FSPM machine is built and tested to verify the FE predicted results.
机译：研究了同轴双机械端口磁通切换永磁同步电动机（CADMP-FSPM）的内部和外部机械之间的永磁体（PM）场耦合。首先，通过定义三种关键的定子齿类型，即串联，平行和独立的齿，来分析评估内，外定子齿之间的关系。其次，通过两台CADMP-FSPM机器，研究并验证了PM场耦合的负面影响，包括高偶数电动势（EMF）谐波，三相EMF不对称和磁链中的直流偏置分量。 / 6-12 / 22和5 / 6-18 / 42结构。为了避免PM场耦合的不利影响，所有内，外定子齿类型都应该相同，因此，引入了一种10 / 12-12 / 22结构的CADMP-FSPM机器进行分析。第三，具有10 / 12-12 / 22、5 / 6-12 / 22和5 / 6-18 / 42结构的性能，其特征在于PM场分布，d轴磁链波动，齿槽转矩，电磁扭矩，损耗和效率通过有限元（FE）分析进行比较分析。结果表明，10 / 12-12 / 22结构表现出最低的PM场耦合水平和最佳性能。此外，10 / 12-12 / 22结构可以避免PM场耦合的所有负面影响。制造并测试了原型10 / 12-12 / 22 CADMP-FSPM机器，以验证有限元预测结果。

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  • 来源
    《Electric Power Applications, IET》 |2019年第1期|48-56|共9页
  • 作者

    Zhou Lingkang; Hua Wei; Wu Zhongze; Zhu Xiaofeng; Yin Fangbo;

  • 作者单位

    Southeast Univ, Sch Elect Engn, Si Pai Lou 2, Nanjing, Jiangsu, Peoples R China;

    Southeast Univ, Sch Elect Engn, Si Pai Lou 2, Nanjing, Jiangsu, Peoples R China;

    Univ Bath, Dept Mech Engn, Bath BA2 7AY, Avon, England;

    Southeast Univ, Sch Elect Engn, Si Pai Lou 2, Nanjing, Jiangsu, Peoples R China;

    Southeast Univ, Sch Elect Engn, Si Pai Lou 2, Nanjing, Jiangsu, Peoples R China;

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