基于极薄无取向电工钢的高效推进电机的研究  

Study of high-efficiency propulsion motors based on ultra-thin non-oriented electrical steel

作　　者：李建伟 李雨霖 马德稷 张航 裴瑞琳 LI Jianwei;LI Yulin;MA Deji;ZHANG Hang;PEI Ruilin(Shenyang University of Technology,Shenyang 110870,China;Suzhou Inn-Mag New Energy Ltd.,Suzhou 215000,China)

机构地区：[1]沈阳工业大学,辽宁沈阳110870 [2]苏州英磁新能源科技有限公司,江苏苏州215000

出　　处：《电工钢》2022年第5期13-18,共6页ELECTRICAL STEEL

摘　　要：近年来,包括纯电力和混合动力在内的电动飞机电力推进系统技术受到越来越多的关注。推进电机作为电动飞机最为关键的动力源,其性能直接影响电动飞机的性能及可靠性。推进电机效率是该技术的关键驱动因素之一。本文设计了一款电动飞机推进系统用高效率轴向磁通电机,其定子材料采用极薄无取向电工钢,并将极薄无取向电工钢与常规电工钢在不同频率、不同温度下进行了对比,仿真结果表明,极薄无取向电工钢在高频电机领域能有效提升电机的运行效率。In recent years,the technology of electric propulsion systems for electric aircraft,including pure electric power and hybrid power,has received increasing attention.As the most critical power source for electric aircraft,the performance of propulsion motors has a direct impact on the performance and reliability of electric aircraft.Efficiency is a key indicator for motors.This paper designed a high-efficiency axial flux motor for electric aircraft propulsion system,whose stator material is made of ultra-thin non-oriented electrical steel,and compared the ultra-thin non-oriented electrical steel with conventional electrical steel at different frequencies and temperatures.The simulation results showed that the ultra-thin non-oriented electrical steel can effectively improve the operating efficiency of the motor in the field of high frequency motor.

关 键 词：电动飞机 推进电机 高效率 极薄无取向硅钢 

分 类 号：TG142.77[一般工业技术—材料科学与工程] TM304[金属学及工艺—金属材料]