AN Zhongliang,JIA Tianhao,SUN Ning,et al.Design of low torque pulsation rotor structure of permanent magnet motor[J].MICROMOTORS,2020,53(06):33-37.
低转矩脉动永磁电机的转子结构设计
- Title:
- Design of low torque pulsation rotor structure of permanent magnet motor
- Keywords:
- permanent magnet synchronous motor; permanent magnet internally installed; torque pulsation; the rotor structure; tolerance of machining error
- 分类号:
- TM351; TM341
- 文献标志码:
- A
- 摘要:
- 本文对一台采用内置V型磁极结构的永磁同步电机进行低转矩脉动设计。首先,基于有限元方法,通过参数化仿真,确定了永磁体V形夹角对转矩脉动的影响。然后,以降低转矩脉动为目标设计转子结构,通过不等宽度隔磁桥与转子开孔设计,降低转矩脉动。仿真结果表明,转子采用新结构以后,不仅低了转矩脉动,同时利用转子铁磁材料的磁饱和效应,对加工误差有一定的容许度,具有良好的稳健性
- Abstract:
- In this paper, a permanent magnet synchronous motor with V-shaped permanent magnets internally installed structure was designed for low torque pulsation.Firstly, based on the finite element method, the influence of V-shaped angle of permanent magnet on load torque pulsation was determined by parametric simulation.Then, the torque pulsation was reduced through unequal width magnetic isolation bridge optimization and rotor punching hole design.The simulation results show that the new rotor structure not only reduces the torque ripple, but also makes use of the magnetic saturation effect of the rotor ferromagnetic material, which has a certain tolerance for machining errors and good robustness
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备注/Memo
收稿日期:2019-09-12
作者简介:安忠良(1975),男,博士,教授,研究方向为永磁电机及其控制。
贾天豪(1995),男,硕士研究生,研究方向为永磁电机及其控制。