Improving Wireless Power Transfer Efficiency With DC/DC Boost Charger by Multi-Sine Excitation at 5.8 GHz

被引：3
|
作者：
Passafiume, M. [1 ]
Collodi, G. [1 ]
Cidronali, A. [1 ]
机构：
[1] Univ Florence, Dept Informat Engn, I-50139 Florence, Italy
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2022年 / 32卷 / 06期
关键词：
Radio frequency; Prototypes; Optimization; Wireless power transfer; Bandwidth; Wireless communication; Impedance; dc-dc boost; multi-sine; wireless power transfer;
D O I：
10.1109/LMWC.2022.3160272
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This work deals with new design techniques of RF to dc converter coupled with commercial dc/dc converters, for efficient wireless power transfer. The dc/dc boost converter operates as current sinks, thus imposing challenging design constraints. We investigate the impact of applying a multi-sine RF input signal on power transfer efficiency, involving a source-pull optimization to maximize RF to dc energy conversion and maximizing the current throughput. This letter provides an experimental demonstration of 1.8 improvements with respect to conventional design at the operative frequency of 5.8 GHz.
引用
收藏
页码：760 / 763
页数：4
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