顶驱异步电机直接转矩控制策略的设计  

Design of Top Drive Induction Motor Direct Torque Control Strategy

作　　者：钟贞[1] 刘鹏[2] 刘鹍 

机构地区：[1]成都理工大学信息科学与技术学院,四川成都610059 [2]四川省电力公司,四川成都610041 [3]四川省电力科学研究院,四川成都610072

出　　处：《电气传动》2014年第2期7-10,18,共5页Electric Drive

摘　　要：设计了钻井顶驱装置异步电机的直接转矩控制系统,它通过空间矢量调制策略固定了开关频率,减小了异步驱动电机低速启动时的转矩脉动,重新设计的新型定子磁链观测器,提高了定子磁链的观测精度,抑制了定子电流畸变,改善了转矩动态响应,最后搭建了仿真和硬件实验平台,仿真和实验结果验证了该设计方法的正确性和有效性。The induction motor direct torque control strategy in top drive drilling system was designed, space vector PWM method was used to fix the switch frequency and decrease the torque ripple in low speed, the new designed stator flux observer repress the distortion of stator current and increase the dynamic response of torque, Matlab/ Simulations and experiment platform were established. The simulation and experiment results verify the validity of the control methods.

关 键 词：顶驱装置 异步电机 直接转矩控制 转矩脉动 实验平台 

分 类 号：TM431[电气工程—电器]