摘要
本文介绍了一种新兴的感应电动机变频调速方法──直接转矩控制及其系统，并对其进行了数字仿真分析。系统运用最少量的检测器，省略了电压检测，所需电压信号由所选开关状态直接得到。文章详尽论述了系统各环节仿真模型的建立，逆变器开关状态控制及电压信号采样环节的仿真相当便捷。文章还就不同控制策略进行了仿真比较。仿真结果表明，直接转矩控制不愧是一种高性能控制技术，其系统具有优良静动态性能。
The paper presents a new variable - speed scheme of induction motors-Direct Torque Control and itS system. The Direct Torque Control system is studied by digital simulation. The proposed system doesn't need voltage sensors and there are the least number of measurements. The simulation model of every part in this system is detailed. Simulation about inverter switching state selecting and voltage signal adopting is implemented with easy methods. Different control strategies are compared via digital simulation. The simulation results indicate that the Direct Torque Control is a high performance control scheme, and it is proved that there are excellent characteristics in the system.
出处
《电工技术学报》
EI
CSCD
北大核心
1995年第3期6-10,共5页
Transactions of China Electrotechnical Society
关键词
数字仿真
转矩控制
变频调速
异步电动机
Digital simulation Induction motor Variable - speed Direct torque control
