电工技术学报  2022, Vol. 37 Issue (7): 1618-1633    DOI: 10.19595/j.cnki.1000-6753.tces.211568
“高效节能及智能化电机系统”专题 |
高速永磁同步电机在多物理场和变流器约束下的设计
秦雪飞1, 沈建新1,2, Nilssen Robert1,3, Gieras Jacek1,4
1.浙江大学电气工程学院 杭州 310027;
2.浙江省电机系统智能控制与变流技术重点实验室 杭州 310027;
3.挪威科技大学电力工程系 特隆赫姆 7491;
4.波兰UTP科技大学电气工程系 比德哥什 85-796
Design of High-Speed PMSM Considering Multi-Physics Fields and Power Converter Constraints
Qin Xuefei1, Shen Jianxin1,2, Nilssen Robert1,3, Gieras Jacek1,4
1. College of Electrical Engineering Zhejiang University Hangzhou 310027 China;
2. Zhejiang Provincial Key Laboratory of Electrical Machine Systems Hangzhou 310027 China;
3. Electric Power Engineering Department Norwegian University of Science and Technology Trondheim 7491 Norway;
4. Department of Electrical Engineering UTP University of Science and Technology Bydgoszcz 85-796 Poland
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摘要 高速电机中多物理场是强耦合的,其影响是甚至相互矛盾的。因此,高速电机的设计受到多物理场的强制约。此外,变流器的电压和电流都受限,由此也制约了高速电机的设计。当电机功率较大时,所有这些约束变得更加显著,因此较难获得一个很好的优化设计方案。该文以一台350kW、13.5kr/min的大功率高速内置式永磁同步电机作为案例,阐述其设计方法与优化过程。针对不同工况,研究电机永磁磁链与绕组电感的匹配设计,以确保变流器的电压和电流限制均得到满足。之后,通过有限元的手段研究相关的电机设计要点,特别是考虑电磁特性、机械应力和动力学特性的转子拓扑结构;也通过计算流体动力学(CFD)手段研究电机的热性能。由此可实现完整的高速电机多物理场设计。
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秦雪飞
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关键词 高速永磁同步电机多物理场设计变流器约束转子拓扑热性能    
Abstract:Multi-physics fields inside high-speed electrical machines are strongly coupled and may even conflict with each other. Therefore, design of the high-speed machines is extremely constrained by these fields. Moreover, power converters have limited current and voltage, by which the machine design is also constrained. All these constraints become further significant if the machines are of high power. Therefore, it is challenging to achieve a feasible solution of machine design. As a study case, design and optimization of a 350kW and 13.5kr/min interior permanent magnet synchronous motor (PMSM) is presented in this paper. Principal of matching the permanent magnet flux linkage with the winding inductances for various operation conditions is investigated, so that both the voltage and current limits of the power converter can be satisfied. Then, related design aspects are addressed, especially, the rotor configuration considering the electromagnetic performance, mechanical stress and rotor dynamics is studied with finite element methods (FEM), and the thermal behavior is studied with computational fluid dynamics (CFD), demonstrating the comprehensive procedure of multi-physics design.
Key wordsHigh-speed permanent magnet synchronous motor    multi-physics design    power converter constraint    rotor configuration    thermal behavior   
收稿日期: 2021-10-08     
PACS: TM355  
引用本文:   
秦雪飞, 沈建新, Nilssen Robert, Gieras Jacek. 高速永磁同步电机在多物理场和变流器约束下的设计[J]. 电工技术学报, 2022, 37(7): 1618-1633. Qin Xuefei, Shen Jianxin, Nilssen Robert, Gieras Jacek. Design of High-Speed PMSM Considering Multi-Physics Fields and Power Converter Constraints. Transactions of China Electrotechnical Society, 2022, 37(7): 1618-1633.
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