Direct Torque Control of Three-Level Inverter-Fed PMSM Based on Zero Voltage Vector Distribution for Torque Ripple Reduction

被引：0
|
作者：
Wang, Xu [1 ]
Zhou, Ye [1 ]
Yang, Dan [1 ]
Shi, Xiaoyan [1 ]
机构：
[1] Northeastern Univ, Sch Informat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
来源：
2017 29TH CHINESE CONTROL AND DECISION CONFERENCE (CCDC) | 2017年
关键词：
Direct torque control; Zero voltage vector; Neutral point clamped three-level inverter; Torque ripple reduction; MAGNET SYNCHRONOUS MOTOR;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A direct torque control strategy based on zero voltage vector distribution is proposed for neutral point clamped (NPC) three-level inverter-fed permanent magnet synchronous motor (PMSM) drive system, which is characterized by low torque ripples and fast speed response. In this proposed control scheme, 12 synthesizing voltage vectors with zero voltage vector are selected according to the error switching table of the flux and torque. Subsequently, the action time of zero voltage vector in each sample period is calculated online considering the selected voltage vector and the motor's speed. Simulation results based on MATLAB/Simulink show that the proposed strategy is effective in reducing torque ripples of NPC three-level inverter-fed PMSM drives.
引用
收藏
页码：7776 / 7781
页数：6
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