移相调压型开关电源的谐振换流技术

Resonant transition technique for phaseshifting voltage regulating type switching power supply

介绍了一种应用移相、谐振零电压换流ＰＷＭ控制技术的高频开关电源的研制，给出了重要参数的计算公式及相应的电压电流波形。实践证明，这种开关电源可以有效地减小开关损耗，提高效率。

It is described the development of high frequency power supply using phaseshifting resonant zero voltage transition PWM control technique.Some design equations and related voltage/current waveform are also given.It is proved in practice that such switching power supply can considerably reduce the switching loss and improve the efficiency.