新型电子变极式五相永磁电机的优化设计

微特电机 ›› 2020, Vol. 48 ›› Issue (11): 10-13.

新型电子变极式五相永磁电机的优化设计

朱敬民, 张玉峰

佳木斯大学信息电子技术学院,佳木斯 154007

收稿日期:2020-07-17 出版日期:2020-11-28 发布日期:2020-11-24
作者简介:朱敬民(2000—),男,本科,主要从事永磁电机运行与控制方面的研究。
基金资助:
黑龙江省大学生创新创业计划训练项目(202010222093)

Optimal Design of a Novel Five-Phase SPM Machine with Electronic Pole-Changing Effects

ZHU Jing-min,ZHANG Yu-feng

College of Information Science and Electronics Technology, Jiamusi University, Jiamusi 154007, China

Received:2020-07-17 Online:2020-11-28 Published:2020-11-24

摘要/Abstract

摘要： 针对变极效应可以拓宽牵引电机的速度运行范围,结合多相电机的特点,研究了一种新型电子变极式五相表贴式永磁电机。它的特点是在电机运行时通过控制注入的基波和三次谐波电流,改变极性(p和3p),实现在电机不关停的情况下达到电子变极的效果,拓宽电机恒功率运行范围。基于绕组函数理论,研究了该新型电机的分数槽集中绕组的槽/极数组合的选取;对表贴式双极性永磁转子的结构进行了设计。利用有限元方法对电机性能进行分析,验证了该设计的有效性。

关键词: 五相永磁电机, 电子变极, 分数槽集中绕组, 有限元法

Abstract: Aiming at the pole-changing effect, which can widen the speed operation range of the traction motor, combined with the characteristics of the multi-phase motor, a new electronic pole-changing five-phase surface mount permanent magnet motor was proposed. Its characteristic was to change the polarity (p and 3p) by controlling the injected fundamental wave and third harmonic current when the motor was running, to achieve the effect of electronic pole change without starting and stopping the motor, and to broaden the motor constant power operation range. The selection of the slot/pole number combination of the fractional slot concentrated winding of this new motor was studied based on the winding function theory. The surface permanent magnet rotor structure was adapted. The performance of the motor was analyzed using the finite element method to verify the effectiveness of the design.

Key words: 5-phase permanent magnet machine, pole-changing effects, fractional slot concentrated winding, finite element method

中图分类号:

TM351

朱敬民, 张玉峰. 新型电子变极式五相永磁电机的优化设计[J]. 微特电机, 2020, 48(11): 10-13.

ZHU Jing-min,ZHANG Yu-feng. Optimal Design of a Novel Five-Phase SPM Machine with Electronic Pole-Changing Effects[J]. Small & Special Electrical Machines, 2020, 48(11): 10-13.

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