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高功率密度LLC谐振变换器的研究 被引量:22

Design of High Power Density LLC Resonant Converter with Extra Wide Input Range
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摘要 介绍了一种高功率密度、宽输入电压范围的LLC谐振变换器设计方法。首先,通过基波等效模型分析了电路的直流增益特性,并以此为依据讨论了宽输入电压范围的LLC谐振变换器参数设计要点;然后,根据损耗分析和实验研究讨论了小功率电路设计中磁元件的重要性。最后,通过实验验证了上述分析结果。 A high power density LLC resonant converter design with extra wide input range is presented.The design consideration for the resonant parameters is discussed.Effect of magnetic component design on the converter efficiency is studied by loss analysis and experiment.The prototype with switching frequency higher than 500 kHz is built to verify the design.
机构地区 浙江大学
出处 《电力电子技术》 CSCD 北大核心 2007年第8期16-18,共3页 Power Electronics
基金 国家自然科学基金资助(50237030)~~
关键词 变换器 谐振 控制 converter resonant control
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参考文献5

  • 1Yanjun Zhang,Dehong Xu,Min Chen.LLC Resonant Converter for 48V to 0.9V VRM[A].IEEE Power Electronics Specialists Conf.PESC'04[C].2004,(3):1848-1854.
  • 2Bo Yang,Fred C Lee,Mattew Concannon.Over Current Protection Methods for LLC Resonant Converter[A].IEEE Applied Power Electronics Conf.and Exposition,APEC'03[C].2003,(2):605-609.
  • 3Bo Yang,Fred C Lee,Zhang A J,et al.LLC Resonant Converter for Front End DC/DC Converter[A].IEEE Applied Power Electronics Conf.and Exposition,APEC'02[C].2002,(3):780-785.
  • 4Yan Liang,Wenduo Liu,Bing Lu,et al.Design of Intergrated Passive Component for a 1MHz 1KW Half-bridge LLC Resonant Converter[A].IEEE Power Electronics Specialists Conf.PESC'05[C].2005,(3):2223-2228.
  • 5Juan A Sabate,Daniel Kustera,Shri Sridhar.Cell-Phone Battery Charger Miniaturization[A].IEEE Power Electronics Specialists Conf.PESC'00[C].2000,(5):3036-3043.

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