基于大功率LLC谐振变换器的中频化辅助变流器
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摘要
为降低辅助变流器的体积重量,提高功率密度,设计了一种基于大功率LLC谐振变换器的中频化辅助变流器。首先,对中频化辅助变流器拓扑和LLC谐振变换器工作原理进行了介绍,在此基础上对LLC谐振变换器电压增益和频率的设计进行了详细分析,最后进行了仿真和实验验证,为辅助变流器减重增效打下了基础。
In order to reduce the volume weight of auxiliary converter and increase power density, an intermediate frequency auxiliary converter based on high power LLC resonant converter is designed.Firstly, the topology of intermediate frequency auxiliary converter and the working principle of LLC resonant converter are introduced.On this basis,the design of voltage gain and frequency of LLC resonant converter is analyzed in detail.Finally, the simulation and experimental verification are carried out and it lays a foundation for reducing weight and increasing efficiency of auxiliary converter.
In order to reduce the volume weight of auxiliary converter and increase power density, an intermediate frequency auxiliary converter based on high power LLC resonant converter is designed.Firstly, the topology of intermediate frequency auxiliary converter and the working principle of LLC resonant converter are introduced.On this basis,the design of voltage gain and frequency of LLC resonant converter is analyzed in detail.Finally, the simulation and experimental verification are carried out and it lays a foundation for reducing weight and increasing efficiency of auxiliary converter.
引文
[1]马颖涛.城市轨道交通车辆辅助逆变电源的发展趋势[J].城市轨道交通研究,2017,20(7):90-93.
[2]蒋惠园,白帆.城市轨道交通低碳经济评价研究[J].铁道运输与经济,2010,32(9):11-15.
[3] Lee F C,Liu K H. Resonant Converters With Secondaryside Resonance:US, US4785387[P]. 1988.
[4] Huang G,Zhang A J,Gu Y.LLC Series Resonant DC-to-DC Converter:US, US6344979[P].2002.
[5] Joung M,Kim H,Baek J.Dynamic Analysis and Optimal Design of High Efficiency Full Bridge LLC Resonant Converter for Server Power System[A].Applied Power Electronics Conference and Exposition[C].2013:1292-1297.
[6] Yang B,Lee F C,Zhang A J,et al.LLC Resonant Converter for Front end DC/DC Converter[A].Applied Power Electronics Conference and Exposition[C].2002:1108-1112.
[7]李菊.全桥LLC谐振变换器的混合式控制策略[D].南京:南京航空航天大学,2011.
[8]胡海兵,王万宝,孙文进,等.LLC谐振变换器效率优化设计[J].中国电机工程学报,2013,33(18):48-56.
[2]蒋惠园,白帆.城市轨道交通低碳经济评价研究[J].铁道运输与经济,2010,32(9):11-15.
[3] Lee F C,Liu K H. Resonant Converters With Secondaryside Resonance:US, US4785387[P]. 1988.
[4] Huang G,Zhang A J,Gu Y.LLC Series Resonant DC-to-DC Converter:US, US6344979[P].2002.
[5] Joung M,Kim H,Baek J.Dynamic Analysis and Optimal Design of High Efficiency Full Bridge LLC Resonant Converter for Server Power System[A].Applied Power Electronics Conference and Exposition[C].2013:1292-1297.
[6] Yang B,Lee F C,Zhang A J,et al.LLC Resonant Converter for Front end DC/DC Converter[A].Applied Power Electronics Conference and Exposition[C].2002:1108-1112.
[7]李菊.全桥LLC谐振变换器的混合式控制策略[D].南京:南京航空航天大学,2011.
[8]胡海兵,王万宝,孙文进,等.LLC谐振变换器效率优化设计[J].中国电机工程学报,2013,33(18):48-56.