电动汽车用混合励磁场调制电机设计研究

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英文篇名：Design and Research on Hybrid Excitation Field-modulated Machine Based on FEM 作者：骆继明 ; 孔婉琦 ; 张洋 ; 黄全振 ; 黄明明 英文作者：LUO Jiming;KONG Wanqi;ZHANG Yang;HUANG Quanzhen;HUANG Mingming;School of Electrical Information Engineering,Henan University of Engineering;School of Engineering Control,Henan University of Animal Husbandry and Economy;Electric Power Research Institute,State Grid Henan Electric Henan,Power Company; 关键词：场调制电机 ; 磁通调制 ; 混合励磁 ; 低速大转矩 ; 宽调速 英文关键词：field-modulated machine;;flux modulation;;hybrid excitation;;low speed and large torque;;wide range speedregulation 中文刊名：DQCZ 英文刊名：Electric Drive 机构：河南工程学院电气信息工程学院;河南牧业经济学院工程管理学院;国网河南省电力公司电力科学研究院; 出版日期：2019-06-17 出版单位：电气传动 年：2019 期：v.49;No.356 基金：国家自然科学基金河南省联合基金(U1804162);; 河南省自然科学基金(182300410224);; 河南省科技攻关项目(192102210072) 语种：中文; 页：DQCZ201906019 页数：6 CN：06 ISSN：12-1067/TP 分类号：85-90

摘要

场调制电机是一种基于磁齿轮效应的新型磁场调制式电机,具有低速大转矩特性。将混合励磁概念引入到场调制电机,提出一种混合励磁场调制电机。在不增大电机体积和不增加电机定、转子极槽数情况下,实现电机在强、弱磁过程中宽调速范围运行。分析其工作原理,采用有限元方法计算电磁特性,包括空载永磁磁链、空载感应电动势、齿槽转矩和输出转矩等,对其强、弱磁过程进行了分析。制作1台1 kW样机,搭建实验平台并进行特性测试,结果表明,该电机具有转矩密度大、齿槽转矩小、调速范围宽的特点,适用于电动汽车领域。
        As one sort of flux modulation machine based on magnetic gear effect,field-modulated machine has features with low speed and large torque. A novel hybrid excitation field-modulated machine(HEFMM)was proposed by introducing the concept of hybrid excitation. It can be maintained with wide speed range operation through the processes of flux-enhancing and flux-weakening with no increasing machine bulk,as well as the numbers of stator and rotor slot. The working principle of proposed machine was deeply analyzed,as well as basic electromagnetic characteristics were calculated by finite element method,including no-load magnetic flux linkage,no-load back electromotive force,cogging torque and output torque. In addition,the processes of flux-enhancing and flux-weakening were analyzed. Finally,one prototype with 1 kW was built and its static characteristics were tested. The results show that the proposed HEFMM has the features of high torque density,small cogging torque and wide speed range,which is one promising candidate for electric vehicle field.

引文

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