Magnetically coupled resonant multi-frequency and multi-load wireless power transfer system with load-isolation

被引：1
作者：
Luo, Bin [1 ]
Hu, Yao [2 ]
Li, Xi [1 ]
Xiong, Biao [1 ]
机构：
[1] Nanchang Univ, Sch Informat Engn, Nanchang 330031, Peoples R China
[2] Nokia Commun Syst Technol Co LTD, Hangzhou 310053, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2024年 / 21卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Wireless power transfer; Multi-frequency; Tuning network; Load-isolation; CHARGING SYSTEM; WPT SYSTEM; DESIGN;
D O I：
10.1587/elex.21.20240278
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：
A multi-load wireless charging platform based on the principle of magnetic coupling resonant wireless power transfer (MCR-WPT) is proposed in this paper. The platform can simultaneously supply power to multiple receivers with different operating frequencies and each load is independent of the others loads. The system consists of a multifrequency composite current source, a planar transmitter coil, an LC source multi -frequency tuning network, and several receivers operating at different frequencies. The mutual interference caused by cross-coupling and frequency cross -talk when multiple receivers are charging at the same time was analyzed. A load-independent principle to overcome these interferences was provided in the paper. Finally, a dual -frequency multi-load wireless charging experimental platform was built and measured. The well consistency between the experimental results and the theoretical analysis shows the effectiveness of the design method.
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页数：6
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