电励磁同步电机无刷励磁与转矩密度提升技术发展综述  

Review of the Blushless Excitation and Torque Density Improvement in Wound Field Synchronous Motors

作　　者：付兴贺[1] 江政龙 吕鸿飞 顾胜东 崔维龙 Fu Xinghe;Jiang Zhenglong;LüHongfei;Gu Shengdong;Cui Weilong(School of Electrical Engineering,Southeast University,Nanjing,210096,China;Institute of Electrical Engineering,Karlsruhe Institute of Technology,Karlsruhe,76131,Germany)

机构地区：[1]东南大学电气工程学院,南京210096 [2]卡尔斯鲁厄理工学院电气工程研究所,卡尔斯鲁厄76131

出　　处：《电工技术学报》2022年第7期1689-1702,共14页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金资助项目(51977035)。

摘　　要：该文首先分析永磁同步电机和电励磁同步电机的特性差异,指出电励磁同步电机的优势以及存在的问题。其次,归纳梳理了电励磁同步电机无刷励磁的演变过程和技术路线,阐明励磁机励磁、谐波励磁、感性和容性无线电能传输技术在励磁绕组非接触供电方面的研究进展和应用水平。然后,总结现有磁阻转矩利用技术、转子结构改进技术以及转矩轴线平移技术,指明上述技术对电励磁同步电机转矩提升的有益效果。最后,指出该领域存在的问题,并预测未来研究重点和技术发展方向。Firstly,the performance differences between permanent magnet synchronous motors and wound field synchronous motors(WFSMs)are analyzed.Meanwhile,the characteristic advantages and existing technical problems of WFSMs are pointed out.Secondly,the evolution process and technical route of brushless excitation of WFSMs is summarized.The research progress and application level of exciter excitation,harmonic excitation,and inductive as well as capacitive wireless power transmission technology in field winding non-contact power supply is clarified.Then,the existing reluctance torque utilization technology,rotor structure improvement technology and torque axis shift technology are summarized.The beneficial effects of the above technologies on the torque improvement of WFSMs are pointed out.Finally,the issues in this field are stated,and the future research focus and technological development direction are predicted.

关 键 词：电励磁同步电机 无刷励磁 谐波励磁 无线电能传输 转矩密度 

分 类 号：TM341[电气工程—电机]