The current topologies of single-stage PFC DC/DC converters with the direct power transfer (DPT) technology is analyzed, and the mechanism and implementation of the DPT technology are described.

• 深入地分析了现有的应用直接功率转换(DPT)技术的单级PFC AC/DC变换器,阐明了它们的直接功率转换的原理和实现方法。