一种电动汽车用三相异步电机控制策略  

A Control Strategy for Three-phase Asynchronous Motor in Electric Vehicles

作　　者：赵许强 韩冰 迟久鸣 ZHAO Xuqiang;HAN Bing;CHI Jiuming(CRRC Qingdao Sifang Rolling Stock Research Institute Co. ,Ltd. ,Qingdao Shandong 266109,China)

机构地区：[1]中车青岛四方车辆研究所有限公司,山东青岛266112

出　　处：《微电机》2020年第2期87-90,101,共5页Micromotors

摘　　要：针对应用于电动汽车驱动系统中的三相异步电机,设计了一种三相异步电机控制策略。根据电动汽车行驶特点,控制策略包括弱磁控制算法、低速抖动抑制算法、高速限速控制算法和转速估算算法。控制策略已工程实现,并进行了大量试验,试验结果验证了控制策略的有效性和稳定性。A control strategy was designed aiming at three-phase asynchronous motors widely used in driving system of electric vehicles.According to driving features of electric vehicles,the control strategy includes field weakening control algorithm,low-speed jitter suppression algorithm,high-speed speed limit control algorithm and speed estimation algorithm.The control strategy had been implemented in engineering and a large number of experiments have been carried out.The experimental results verify the effectiveness and stability of the control strategy.

关 键 词：三相异步电机 弱磁控制 低速抖动抑制 高速限速 转速估算 

分 类 号：TM343[电气工程—电机] TP273+.4[自动化与计算机技术—检测技术与自动化装置]