无轴承无刷直流电机的研究、应用及发展趋势  

Research, Application and Development Trends of Bearingless Brushless DC Motor

作　　者：朱熀秋[1] 郝正杰 潘伟[1] 刁小燕[1] Zhu Huangqiu;Hao Zhengjie;Pan Wei;Diao Xiaoyan(School of Electrical and Information Engineering Jiangsu University,Zhenjiang 212013 China)

机构地区：[1]江苏大学电气信息工程学院

出　　处：《电工技术学报》2019年第21期4428-4440,共13页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金（51675244,61973144）;江苏省重点研发计划（BE2016150）资助项目

摘　　要：无轴承无刷直流电机是采用了无轴承技术的高性能无刷直流电机,它不仅具有无刷直流电机体积小、效率高、维护简便、调速性能好等特点,还兼备磁轴承无摩擦、无需润滑、洁净和寿命长等优点。该文首先介绍无轴承无刷直流电机悬浮力产生原理;其次针对国内外无轴承无刷直流电机已开展的研究工作,对其关键技术的研究现状进行归纳总结;然后阐述该电机在血液泵、飞轮储能等应用领域的研究;最后,为了提升无轴承无刷直流电机的性能,分析其现存的问题,展望无轴承无刷直流电机未来的发展趋势。The bearingless brushless DC motor(BBLDCM)is a high-performance brushless DC motor adopting bearingless technology.It not only possesses the characteristics of small volume,high efficiency,simple maintenance and good speed regulation performance of the brushless DC motor,but also has the features of no friction,no lubrication,cleanliness and long cycle life of the magnetic bearing.In this paper,the principle of suspension force generation of the BBLDCM is introduced firstly.Then the domestic and abroad research status with reference to the key technologies of the BBLDCM is overviewed.Furthermore,the studies of the BBLDCM in the application fields of blood pump,flywheel energy storage and other special fields are illustrated.Finally,the existing problems are analyzed and the development trend is forecasted to improve the performance of the BBLDCM.

关 键 词：无轴承无刷直流电机 悬浮力产生原理 关键技术 应用研究 发展趋势 

分 类 号：TM33[电气工程—电机]