无刷双馈电动机开环调速特性研究

Research of Open-loop Speed Regulation Characteristics of Brushless Doubly-fed Machine

介绍了无刷双馈电动机的基本原理,研究了其转子速d-q参考轴下的数学模型;在Matlab/Simulink环境下,采用恒压频比控制策略完成了无刷双馈电动机开环状态下的动态特性仿真,并基于双三电平变频器建立了实验平台,完成了无刷双馈电动机的开环调速实验。仿真与实验结果验证了无刷双馈电动机的运行机理及其良好的动态特性。

Basic principle of brushless doubly-fed machine were introduced, and its d-q mathematical model was studied. The dynamic simulation of brushless doubly-fed machine under open-loop was realized on Matlab/Simulink platform by use of constant V/F control strategy, while open-loop speed regulation experiment of brushless doubly-fed machine was completed on the experimental platform based on two- three-level inverter. Simulation and experimental results verified operation mechanism and good dynamic characteristics of brushless doubly-fed machine.