随着电力电子技术的飞速发展，正弦脉宽调制（SPWM）变频器也得到了大力的发展，在各个领域内得到了广泛的应用。SPWM变频器主要应用于中小容量，高性能的交流调速系统中，-With the rapid development of power electronics technology, the sinusoidal pulse width modulation (SPWM) inverter has also been strong development in various fields has been widely used. SPWM inverter is mainly used in small and medium-capacity, high-performance AC drive system,