双中继无线电能传输系统建模及传输效率分析  

Modeling and Transmission Efficiency Analysis of Wireless Power Transmission System with Dual Relays

作　　者：王维[1] 黄学良[1] 周亚龙[1] 曹伟杰[1] 谭林林[1] 

机构地区：[1]东南大学电气工程学院,南京210096

出　　处：《电工技术学报》2014年第9期1-6,共6页Transactions of China Electrotechnical Society

基　　金：国家863计划(2012AA050210);教育部学术新人奖和国家自然科学基金(51177011)资助项目

摘　　要：针对双中继无线电能传输系统,采用互感耦合理论对其进行建模分析,通过理论与仿真相结合的方法,进一步分析系统传输效率与耦合系数及接收线圈匝数之间的关系,对于具体的无线电能传输系统,探讨了不同传输距离下的最优化线圈匝数设计理念,为双中继无线电能传输系统的设计及效率优化方法提供了理论依据。为了验证理论的正确性,本文设计了与仿真系统参数相同的实验系统,更好地验证了理论分析的正确性,即针对确定的无线电能传输系统,存在唯一线圈匝数,使得传输效率最大化。According to wireless power transmission system with dual relays,the mutual inductance coupling theory is adopting for modeling analysis.Through the combination of theory and simulation methods,the relationships between transmission efficiency and the coupling coefficient,turns of receiving coils are further analyzed.At the same time,the optimized design of coils＇ turns at different transmitting distances under the concrete transmission system is discussed.It provides theoretical basis for the design of wireless power transmission system and its optimized method of efficiency.In order to verify the correctness of theory,the experiment system with same parameters of the simulation system is designed.The correctness of the theoretical analysis is better verified,that is,for determined wireless power transmission system,there is a unique coil turns to make the transmission efficiency maximized.

关 键 词：无线电能传输 中继 传输效率 匝数 耦合系数 

分 类 号：TM12[电气工程—电工理论与新技术] TM133