两级双谐振隔离DC-DC变换器的研究  

Research into Two-stage Double-resonant Isolated DC-DC Converter

作　　者：朱元江 王斌[1] 

机构地区：[1]船舶重工集团公司723所,扬州225001

出　　处：《舰船电子对抗》2011年第2期117-120,共4页Shipboard Electronic Countermeasure

摘　　要：介绍了一种隔离型DC-DC变换器,对该拓扑的各工作模态进行了详细的分析,给出了理论的工作波形。实验证明,输出功率为50W左右时,拓扑效率可达到94%。该拓扑形式具有电源体积小、重量轻、效率高、负载调整率好等特点,适用于机载、星载等低电压供电的特殊应用。This paper introduces an isolated DC-DC converter,analyzes each operation mode of this topology in detail,presents the theoretic working waveform.The experiment validates that the topology efficiency can arrive 94%when the output power is about 50 W.The topology form has the characteristics such as small volume of power supply,light weight,high efficiency and good load regulating rate,is applied to special applications of low voltage such as airborne,satellite-borne power supply,etc..

关 键 词：开关电源 隔离拓扑 变换器 

分 类 号：TN86[电子电信—信息与通信工程]