基于大功率LLC谐振变换器的中频化辅助变流器  

Intermediate Frequency Auxiliary Converter Based on High Power LLC Resonant Converter

作　　者：董侃[1,2] 马颖涛 杨二林[2] 李旭阳 DONG Kan;MA Ying-tao;YANG Er-lin;LI Xu-yang(Locomotive & Car Research Institute ,China Academy of Railway Sciences ,Beijing 100081,China)

机构地区：[1]中国铁道科学研究院机车车辆研究所,北京100081 [2]北京纵横机电技术开发公司,北京100094

出　　处：《电力电子技术》2019年第3期47-50,共4页Power Electronics

基　　金：中国铁道科学研究院基金(2017YJ015-1751ZH1504)~~

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.

关 键 词：谐振变换器 大功率 中频化 辅助变流器 

分 类 号：TM46[电气工程—电器]