轨道交通列车永磁同步电机涡流损耗抑制措施研究
于海阔1张利军1靳凯1毕京斌1赵海波2
Research on Measures to Suppress Eddy Current Loss of Permanent Magnet Synchronous Motors in Rail Transit Trains
YU HaikuoZHANG LijunJIN KaiBI JingbinZHAO Haibo
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作者信息:1.中车青岛四方车辆研究所有限公司， 266031， 青岛；
2.中车长春轨道客车股份有限公司， 130062， 长春
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Affiliation:CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd., 266031, Qingdao, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2022.06.026
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中图分类号/CLCN:TM351; U270.332
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栏目/Col:研究报告
摘要:
针对轨道交通列车PMSM(永磁同步电机)齿槽转矩和涡流损耗大的问题,提出了一种主磁极中心部分分段Halbach PMSM模型。在二维极坐标系下构建主磁极中心部分分段Halbach PMSM解析模型，并采用精确子域模型法，对该模型在空载、电流源激励及负载等工况下的气隙磁密和电磁转矩进行了计算。通过对10极12槽PMSM有限元模型的计算验证解析模型的正确性。将该有限元模型与另外8种结构的PMSM模型的各项电磁性能进行对比分析，并在有限元应力场中建立三维PMSM模型，通过计算得到PMSM的等效应力和总变形。结果表明，十字型主磁极部分分段Halbach PMSM模型能在保证其他指标较优的前提下，大幅度降低涡流损耗。
Abstracts:
Targeting the problem of large cogging torque and eddy current loss in PMSM (permanent magnet synchronous motor), a Halbach PMSM model with the central part of main magnetic pole segmented is proposed. In 2D polar coordinate system, the Halbach PMSM analytical model is constructed. By adopting accurate subdomain model method, the air gap magnetic density and torque of the analytical model under no-load, current source excitation and negative load are calculated. The correctness of the analytical model is verified through 10-pole 12-slot PMSM finite element model calculation. The electromagnetic performance is compared and analyzed by co-simulation with other eight PMSM models. Finally, a threedimensional PMSM solution model is established in the finite element stress field to calculate the equivalent stress and total deformation. Results show that under the premises of ensuring good outcome of other indicators, Halbach PMSM model of segmented cross-shaped main magnetic pole can drastically lower the eddy current loss.
引文 / Ref:
于海阔, 张利军, 靳凯, 等. 轨道交通列车永磁同步电机涡流损耗抑制措施研究. 城市轨道交通研究, 2022, 25(6): 134.
YU Haikuo, ZHANG Lijun, JIN Kai, et al. Research on measures to suppress eddy current loss of permanent magnet synchronous motors in rail transit trains. Urban Mass Transit, 2022, 25(6): 134.
YU Haikuo, ZHANG Lijun, JIN Kai, et al. Research on measures to suppress eddy current loss of permanent magnet synchronous motors in rail transit trains. Urban Mass Transit, 2022, 25(6): 134.
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