基于宽幅压条件下ZVZCT-Sepic变换器的分析与设计

The Analysis and Design of a ZVZCT Sepic Converter Given A Wide Input Voltage

文中提出了一种新的ZVZCTSepic拓扑结构,通过对其进行工作原理分析,在宽幅压输入条件下,对其各元件参数进行了优化。该变换器在上述条件下能够较好地实现软开关功能,并降低了功率开关管的损耗。

A new ZVZCT Sepic topology is put forth,and its working mechanism is analyzed and deduced in details.Given the wide input voltage as its working source,all of the parameters in this coverter are discussed.This converter is able to realize zero voltage swithing and zero current switching,and lower the spoilage of its switching tube.