斩控式交流变换器的Simulink仿真实验

摘要

将Matlab/Simulink仿真软件引入电力电子课程实验教学环节,开发了斩控式交流变换器的Simulink仿真实验.以Cuk型AC-AC变换器仿真实验为例,使用Simulink搭建仿真电路模型,分析了占空比改变前后的AC-AC变换器输入输出电压波形以及关键元件处于异常时的输入输出电压仿真波形.实验结果与理论分析一致,说明将Simulink仿真应用在实践教学中可以准确、方便地获取实验结果.%The Matlab/Simulink simulation software is introduced into teaching and experiment of Power Electronics course,and a Simulink simulation experiment of the chopping control AC converter is developed. By taking the simulation experiment of Cuk type of the AC-AC converter as an example,the simulation circuit model is built by using the simulation software Simulink.The input and output voltage waveforms of the AC-AC converter before and after the duty cycle change and the simulation waveforms of the key components in abnormal condition are analyzed.The experimental results are in good agreement with the theoretical analysis, which shows that the Simulink simulation can be used for the practical teaching to obtain the experimental results accurately and conveniently.