To achieve low harmonic distortion and fast response, the single-phase full-bridge power converter adopts sinusoidal pulse-width modulation (SPWM) unipolar switching technique.

• 在单相全桥直流-交流功率转换器方面采用正弦脉波宽度调变单极性电压切换技术，具有低谐波失真及快速响应之性能。