期刊文献+

有源钳位开关电源中调节谐振电感实现软开关的效果分析 被引量:1

Analysis of ZVS Realization in Active Clamp SMPS by Adjusting Resonant Inductance
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摘要 软开关(零电压开关)能减小开关损耗,提高开关电源效率。有源钳位技术的发展为实现软开关提供了方便有效的解决方案。本文采用调节谐振电感的方法实现软开关,并通过实验验证其效果。文中同时分析了在正激同步整流拓扑结构中采用这种方法调节软开关的具体问题,最后提出了一种能实现高效率的电源电路结构。 Zero voltage switch(ZVS)is applied to reduce switch loss and improve efficiency in SMPS.Active clamp presents an effective solution to ZVS.In this research,ZVS is relized by adjusting resonant inductance,and verified by experiment.At the same time,concrete issues on applying ZVS in the topology of forward synchronous rectification is discussed and a high efficiency circuit of SMPS is introduced.
出处 《磁性材料及器件》 CSCD 北大核心 2010年第4期61-62,73,共3页 Journal of Magnetic Materials and Devices
关键词 开关电源 软开关 有源钳位 谐振电感 SMPS zero voltage switch(ZVS) active clamp resonant inductance
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参考文献5

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