基于IRS2092S 的逆变电源设计

针对逆变电源的数字化发展存在的困难，同时为克服传统模拟控制方式逆变电源效率低、可靠性差、输出正弦波频率固定不易调整等缺点，提出一种基于IRS2092S的逆变电源设计方法。基于输入电压转换电路、正弦波发生电路和信号放大电路的原理设计了系统总体框架，重点探讨了该方法在硬件电路上的实现，并进行逆变电源性能测试。测试结果表明：该方法效率高，正弦波频率可通过简单的软件配置后进行调整，输出波形正弦度高，针对感性负载时，正弦波失真度小，波形稳定，是特定行业应用中的有效和实用的方法。

Design of Inverter Based on IRS2092S

Aiming at difficulties of inverter’s digital development and in order to overcome the disadvantages of low efficiency, poor reliability and output sinusoidal waveform frequency being uneasily adjusted, a design method of inverter based on class-D amplifier IRS2092S was proposed. System’s framework was designed based on the principle of input voltage conversion circuit, sinusoidal waveform generating circuit and signal amplifying circuit. Research was done mainly about this method’s realization on hardware circuit and testing of inverter’s performance was completed also. Experiments showed that the method has advantages of high output efficiency, highly sinusoidal waveform outputting with low THD in inductive load and being stable. All these advantages make it effective and practical in particular industry.