摘要
无线电能传输技术近些年来成为了研究热点问题。本文基于磁耦合谐振式无线电能传输技术,对于两种基本结构,即两线圈结构和四线圈结构,进行了比较分析。建立其等效电路图,并对两种系统的输入阻抗、传输效率和负载匹配分别进行了对比分析,同时进行实验验证。得到的结论是:在没有降低传输效率的同时,四线圈结构由于增加了电源线圈和负载线圈,可以方便地进行电源匹配和负载匹配。
Wireless power transfer(WPT) has been a research focus in recent decades.Based on magnetically-coupled resonant WPT(MCR-WPT),this paper made a comparison of two basic structures in MCR-WPT:the two-coil structure and the four-coil structure.Their equivalent circuits were built.To illuminate the difference between these two structures,the input impedance,the transfer efficiency,and the load matching were studied and tested by experimental results.The conclusion is drawn that without reducing the transfer efficiency,the addition of the source coil and the load coil in the four-coil structure makes it easier to match the source and the load than the two-coil structure.
出处
《电工技术学报》
EI
CSCD
北大核心
2013年第S2期18-22,共5页
Transactions of China Electrotechnical Society
基金
Supported by the National High Technology Research and Development Program of China(863 Program)(2011AA050402)
关键词
无线电能传输
磁耦合
结构
比较
Wireless power transfer(WPT),magnetic resonance,structure,comparison
