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| 基于解析法的永磁游标电机退磁分析 | |
| 引用本文： | 姜洋,张健. 基于解析法的永磁游标电机退磁分析[J]. 微电机, 2021, 0(4): 6-10 |
| 作者姓名： | 姜洋 张健 |
| 作者单位： | (1. 浙江机电职业技术学院现代信息技术学院,杭州 310053;2. 浙江大学 电气工程学院 浙江省电机系统智能控制与变流技术重点实验室,杭州 310027) |
| 基金项目： | 宁波市科技创新2025重大专项(2018B10034);2019年度高校国内访问工程师“校企合作项目”(FG2019072)。 |
| 摘 要： | 本文研究了三种不同退磁方式对永磁游标电机的电磁性能的影响,建立了永磁游标电机的退磁解析模型.该解析模型建立在精确保角映射的基础上,能准确地反映永磁游标电机的有槽气隙与无槽气隙之间的关系,从而准确计算磁场分布.针对永磁游标电机的退磁分析中存在的问题,提出了退磁电流与退磁永磁体之间的等效变换,在此基础上通过完全保角映射后得... |
| 关 键 词： | 退磁 解析法模型 永磁游标电机 |
Demagnetization Analysis of Permanent-magnet Vernier Machine Based on Analytical Model |
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| JIANG Yang,ZHANG Jian. Demagnetization Analysis of Permanent-magnet Vernier Machine Based on Analytical Model[J]. Micromotors, 2021, 0(4): 6-10 | |
| Authors: | JIANG Yang ZHANG Jian |
| Affiliation: | (1.School of Modern Information Technology, Zhejiang Institute of Mechanical & Electrical Engineering, Hangzhou 310053, China 2. Zhejiang Provincial Key Laboratory of Electrical Machine Systems, College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China) |
| Abstract: | This paper investigated the demagnetization of permanent-magnet vernier machine based on analytical models.Three kinds of demagnetization were considered to show its influence on the electromagnetic performance.Therefore,the characteristic of demagnetization for permanent-magnet vernier machine can be analytically obtained.The analytical model was based on the exact conformal mapping,which can exactly show the relationship between slotted and slotless air-gap of permanent-magnet vernier machine.The equivalent transformation between demagnetize PM and dot current was proposed to make sure that the exact conformal mapping was suitable for the electromagnetic analysis of permanent-magnet vernier machine.Finally,the high accuracy under demagnetization condition was validated by finite element analysis. |
| Keywords: | demagnetization analytical model permanent-magnet vernier machine |
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