无线电能传输系统超材料的设计与实现  

A Design and Its Realization of a Metamaterial for Wireless Electrical Energy Transmission System

作　　者：叶高杰 傅文珍[1] 徐永锋 Ye Gaojie;Fu Wenzhen;Xu Yongfeng(College of Information Science and Engineering,Jiaxing University,Jiaxing,Zhejiang 314001)

机构地区：[1]嘉兴学院信息科学与工程学院,浙江嘉兴314001

出　　处：《嘉兴学院学报》2021年第6期56-61,共6页Journal of Jiaxing University

基　　金：嘉兴学院2020年度校级SRT项目(CD8517203208);2019年嘉兴市科技局公益计划研究项目(2019AD32025);2020年嘉兴市科技局公益计划研究项目(2020AY10012)。

摘　　要：基于FR4基板的双面螺旋结构,设计了一个系统工作频率为10 MHz的负磁导率超材料并对其进行数值仿真,通过Smith算法结合MATLAB从而计算出超材料的磁导率.利用超材料对电磁波的负折射率和聚焦效应,提高无线电能传输系统(WPT)的传输效率和传输距离.最后通过Maxwell电磁仿真,验证了该材料的聚焦性及其在无线电能传输系统中应用的有效性.Based on the double-sided spiral structure of FR4 substrate,a negative permeability metamaterial with a working frequency of 10 MHz is designed,and its numerical simulation is carried out.The permeability of the metamaterial is calculated by Smith algorithm combined with MATLAB.By utilizing the negative refractive index and focusing effect of the metamaterial on electromagnetic waves,the transmission efficiency and distance of the wireless power transmission system(WPT)is improved.Finally,Maxwell electromagnetic simulation is applied to verify the focusing property of the metamaterial and its effectiveness in wireless transmission system.

关 键 词：无线电能传输 超材料 Smith算法 负磁导率 

分 类 号：TM724[电气工程—电力系统及自动化]