Flexible Design Method for Multi-Repeater Wireless Power Transfer System Based on Coupled Resonator Bandpass Filter Model

被引：51
作者：
Luo, Bin [1 ,2 ]
Wu, Shichuang [1 ]
Zhou, Nanrun [1 ,2 ]
机构：
[1] Nanchang Univ, Sch Informat Engn, Dept Elect Informat Engn, Nanchang 330031, Peoples R China
[2] Nanchang Univ, Dept Elect Informat Engn, Nanchang 330031, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2014年 / 61卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Magnetic resonance coupling; relay resonator; transmission efficiency; wireless power transfer; DELIVERY;
D O I：
10.1109/TCSI.2014.2327331
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：
It has been verified that wireless power transfer (WPT) system with multiple relay resonators (repeaters) inserted properly between the transmitter and the receiver can increase the transmission distance significantly. Based on the coupled resonator bandpass filter model, a flexible design method for wireless power transfer system with arbitrary number of repeaters is proposed in detail. The transmission efficiency and the transferred power of the proposed wireless power transfer system are derived under the design theory of filters. It is illuminated the reason that Butterworth type is preferred type for designing WPT with multi-repeater. Moreover, the relation between transmission distance and bandwidth is examined and a technique is further introduced to increase the transmission distance. An R-S = 50 Omega WPT system with three repeaters is tested and another R-S = 0 Omega WPT system with one repeater is simulated, and the effectiveness of the proposed method is confirmed as well.
引用
收藏
页码：3288 / 3297
页数：10
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