单相SPWM逆变电源仿真设计

Design of simulation of single-phaseSPWM inverse power sources

针对现代各行各业对电气设备控制性能日益提高的要求,基于SPWM脉宽调制技术的逆变电路应用,通过用OrCAD软件对采用SPWM脉宽调制技术的开环逆变系统和闭环逆变系统建模进行仿真,根据对输出电压波形的比较和分析得出结论:采用闭环SPWM逆变系统输出没有稳态误差,SPWM脉宽调制技术的逆变电路有良好的输出特性。

To meet the increasing demands for the controlling performance of the electrical equipment from all trades and professions, the invertse circuit applying SPWM technology is widely used. And the research is conducted to explore how to simulate the closed-loop and open-loop inverter system applying SPWM technology by using OrCAD software. According to the comparison and analysis of output voltage waves, the conclusion can be drawn that the invertse circuit applying the SPWM technology has good output characteristics