本文提出了一种转子电流定向的双馈电机矢量调速系统, 采用转子电流进行速度辩识, 克服了传统方法中用磁链辩识速度在同步速附近存在死区的问题。文中介绍了该系统的基本原理及组成, 并在最后给出了系统仿真和实验的结果。叙词　双馈电机调速　传感器　矢量控制Abstract: In th is paper, a vecto r con t ro l m ethod of ro to r cu rren t o rien ted fo r doub ly fed mo to r is p resen ted. U sually the f lux linkage is u sed to calcu late the speed, w h ich m akes the system have relat ively large“b lind area”at the synch ron izat ion speed. In th is system , the ro to r cu rren t is u sed to so lve the p rob lem above2m en t ioned. The basic p rincip le and st ructu re are in t roduced, and f inally the system sim u lat ion and experim en t resu lt s are p resen ted in the paper.Key words: Speed2variab le of doub ly fed mo to r　Sen so r　V ecto r con t ro l