基于Matlab/Simulink的无刷双馈电动机的动态特性仿真研究

Dynamic Features Simulation Research on Brushless Doubly-Fed Motor Based on Matlab/Simulink

为适应大功率风机和泵类负载的调速性能,提出无刷双馈电动机的技术方案,并利用Matlab/Simulink建立无刷双馈电动机的一般模型进行动态仿真。仿真结果显示,无刷双馈电动机在单馈异步运行状态下,具有良好的异步电动机的启动运行特性。在双馈同步运行状态下,具有普通同步电动机转速特性,为进一步深入研究无刷双馈电动机的控制策略提供了参考。重点介绍无刷双馈电动机的结构特点和工作原理。

In order to adapt the speed regulation performance of big power blower and pump loading,the brushless doubly-fed motor＇s technology proposals are given out.And the dynamic simulation of brushless doubly-fed motor model is setted up based on Matlab/Simulink.The simulation results show that the brushless doubly-fed motor has good features of asynchronous motor starts and operates features under the states of single-fed asynchronous operation.It also has common synchronous motor speed features under doubly-fed synchronous operation state.These results provide reference for futher study on brushless doubly-fed motor＇s control strategy.And the structure features and working principle of brushless doubly-fed motor are introduced.