LLC谐振变换器与不对称半桥变换器的对比  

Comparison of LLC Resonant Converter with Asymmetrical Half Bridge Converter

作　　者：范洪峰[1] 杨益平[1] 吕征宇[1] 

机构地区：[1]浙江大学电气工程学院,浙江杭州310027

出　　处：《电源技术应用》2004年第12期719-722,共4页Power Supply Technologles and Applications

摘　　要：介绍了 LLC 谐振变换器和不对称半桥变换器两种不同类型的软开关拓扑。分析了它们的工作原理,分别对它们的控制方法,副边整流管的电压应力和副边的开通等进行了比较,分析结果表明,LLC 谐振变换器更适合高频化和高效率的要求。Two different soft switching topologies are introduced,they are LLC resonant converter and asymmetrical half bridge converter.The operating mechanism of LLC resonant converter and asymmetrical half bridge converter are analyzed,the control method,volage stress on secondary diodes are compared with in two converters.The analytical results show that LLC resonant converter is even more suitable for requirement of high frequency and high efficiency.

关 键 词：LLC谐振变换器 不对称半桥变换器 电压应力 

分 类 号：TM46[电气工程—电器]