摘  要：该文全面详细的介绍了无刷双馈电机的起源及发展历程，剖析了无刷双馈电机的定转子结构及其运行特性，并在此基础上分析了该电机的两大应用领域，即变频调速和变速恒频风力发电领域，最后文章基于目前的研究情况指出了该电机未来的研究方向。
关键词：无刷双馈电机；串级电机；变频调速；变速恒频

Abstract: Originality and development of the brushless doubly-fed machine was presented in this paper,and then some kinds of structure of stator and rotor were analyzed.Based on these,two application fields were found,that is,variable frequency speed regulation and variable speed constant frequency.At last,future research direction was revealed.
Key Words: Brushless doubly-fed machine；Cascaded machine；Variable frequency speed regulation；Variable speed constant frequency