一种SPWM逆变电源的设计

The Design of the SPWM Inverter

介绍了用PIC八位单片机实现SPWM正弦波逆变电源的电气组成、控制算法和软件设计,用高频载波的方案实现高效率的从直流到交流的转换。实验结果表明,该电源采用单片机数字化SPWM控制方式,电路简单,控制灵活方便,频率可调,具有很强的过载能力,符合设计所需的要求。

The article describes the electrical components, control algorithm and software design of SPWM sine wave inverter with eight PIC mierocontroller to achieve high efficiency DC to AC conversion program with a high-frequency carrier.The experimental results show that the power circuit with single-chip digital SPWM control is simple,flexible control,adjustable frequency,with strong overload capacity,and meet the design requirements.