However, the single-phase soft switching and APFC technique is applied into arc welding inverter power supply in this paper, in order to improve the PF, that is Boost ZVT-PWM Converter.

• 本文引入了Boost ZVT-PWM Converter(升压式零电压转换)有源功率因数校正变换器,该电路的优点是主功率开关管实现了零电压转换软开关,与硬开关相比提高了开关管的开关频率和变换器的电能转换效率。