| Boost-LLC高效率DC/DC变换器 |
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| 引用本文： | 施玉祥,柳绪丹,邓成,徐德鸿. Boost-LLC高效率DC/DC变换器[J]. 电力电子技术, 2010, 44(8) |
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| 作者姓名： | 施玉祥 柳绪丹 邓成 徐德鸿 |
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| 作者单位： | 浙江大学,浙江杭州,310027;浙江大学,浙江杭州,310027;浙江大学,浙江杭州,310027;浙江大学,浙江杭州,310027 |
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| 摘 要： | Boost-LLC两级变换器作为一种性能优异的DC/DC拓扑结构,日益受到人们的关注.两级结构能够充分利用Boost宽电压输入和LLC高效率特性,从而使整体效率较高.针对Boost-LLC两级DC/DC变换器进行了分析,介绍其工作原理、控制方法,并给出了优化设计方法,针对输入390V,输出为24V/20A,开关频率100kHz两级DC/DC变换器进行了设计和实验验证,整体效率达到97.2%.
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| 关 键 词： | 变换器 高效率 同步整流 |
Boost-LLC High Efficiency DC/DC Converter |
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| SHI Yu-xiang,LIU Xu-dan,DENG Cheng,XU De-hong. Boost-LLC High Efficiency DC/DC Converter[J]. Power Electronics, 2010, 44(8) |
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| Authors: | SHI Yu-xiang LIU Xu-dan DENG Cheng XU De-hong |
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| Affiliation: | SHI Yu-xiang,LIU Xu-dan,DENG Cheng,XU De-hong(Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | As an optimized DC/DC topology,Boost-LLC two-stage converter is getting wide attention.The two stage converter combines Boost and LLC converter,and getting high performance by making full use of their intrinsic properties.The operating principle of Boost-LLC converter is introduced,and an optimized design method is proposed.A 100 kHz,390 V input 24 V/20 A output prototype is built to verify its advantages and 97.2% total efficiency is achieved at full load. |
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| Keywords: | converter high efficiency synchronous rectification |
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