大型半直驱永磁风力发电机多目标优化设计  

Multi-objective optimization design of large-scale semi-direct drive permanent magnet wind generator

作　　者：李香锐 林鹤云[1] 李如海 刘斯强 赵震 李华 LI Xiangrui;LIN Heyun;LI Ruhai;LIU Siqiang;ZHAO Zhen;LI Hua(School of Electrical Engineering,Southeast University,Nanjing 210096,China;Jiangsu CRRC Motor Co.,Ltd.,Yancheng 224100,China;CRRC Zhuzhou Electric Co.,Ltd.,Zhuzhou 412001,China)

机构地区：[1]东南大学电气工程学院,江苏南京210096 [2]江苏中车电机有限公司,江苏盐城224100 [3]中车株洲电机有限公司,湖南株洲412001

出　　处：《电机与控制学报》2024年第12期33-42,共10页Electric Machines and Control

基　　金：江苏省碳达峰碳中和科技创新专项资金(SBA2022080097)。

摘　　要：针对基于常规有限元法优化耗时长的问题,提出一种磁路模型与非支配遗传算法相结合的大型半直驱分段内嵌式永磁风力发电机高性能多目标优化设计方法,该方法能够在保证一定设计精度的前提下快速实现电机的优化设计。首先,基于等效磁路法建立可以考虑弱磁控制运行发电机的电磁计算模型;其次,基于所建的电磁计算模型提出了该类发电机的多目标优化方法,并采用非支配遗传算法进行求解,以获得高电磁功率和最低材料成本的设计方案;最后,采用有限元分析方法对所提出的优化设计方法进行验证。结果表明,所提方法在设计时间及寻优效果方面均具有较好的性能,可以为大型半直驱永磁风力发电机的优化设计提供有力的技术支撑。Aiming at the time-consuming optimization problem based on conventional finite element method,a high-performance multi-objective optimization design method for large semi-direct-drive segmented embedded permanent magnet wind generators was proposed by combining magnetic circuit model with non-dominated genetic algorithm.This method can quickly achieve the optimal design of the motor while ensuring a certain design accuracy.First,an electromagnetic calculation model of generator was established based on equivalent magnetic circuit method,in which the field-weakening control operation can be considered.Secondly,a multi-objective optimization method for this type of generator was proposed based on the established electromagnetic model,and a non-dominated genetic algorithm was used to solve the optimization problem to obtain a design solution with high electromagnetic power and lowest material cost.Finally,the finite element analysis method was employed to verify the proposed optimal design method.The results show that the proposed method has good performance in terms of design time and optimization effect,which provides strong technical support for the optimal design of large-scale semi-direct drive permanent magnet wind generators.

关 键 词：半直驱永磁风力发电机 多目标优化设计 分段内嵌式磁极 遗传算法 电磁设计 成本优化 

分 类 号：TM351[电气工程—电机]