一种基于BOOST变换器的无源无损吸收方法  

A Passive Lossless Snubber Method Based on BOOST Converter

作　　者：杜忠[1] 陈治明[1] 严百平[1] 

机构地区：[1]西安理工大学自动化学院,710048

出　　处：《电工技术学报》2003年第4期35-40,共6页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金资助项目 ( 5 0 1770 2 7)

摘　　要：提出一种新颖的无源无损吸收方法 ,它可以使BOOST变换器的无源无损吸收电路的能量得到有效转移 ,从而使BOOST变换器效率明显提高。实验结果证明在相同开关频率下其效率明显高于传统的变换器 ,功耗降低使电路体积显著减小 ,且电路成本低于现有结构的电路。A new passive lossless s nubber method has been proposed in this paper,which can make energy in passive lossless snubber transfer completely,therefore the transition efficient of Boost converter can be improved remarkably.Experiment results show the efficient is higher than conventional converter remarkably,the converter size can be reduced by lower power loss,and the cost is lower than present circuits. It can also be used for passive lossless snubber in PFC.

关 键 词：开关功率变换器 无源无损吸收 转换效率 BOOST变换器 

分 类 号：TM46[电气工程—电器]