Analysis and Modeling of a Wireless Power Transmission System for Multiple Receivers

被引：2

作者：

de Souza, W. G. ^{[1
]}

Gomes, L. C. ^{[2
]}

Lannes, L. R. L. ^{[2
]}

de Andrade, D. A. ^{[2
]}

机构：

[1] Univ Fed Reconcavo Bahia, Ctr Ciencia & Tecnol Energia & Sustentabilidade, Feira De Santana, BA, Brazil

[2] Univ Fed Uberlandia, Fac Engn Eletr, Uberlandia, MG, Brazil

来源：

IEEE LATIN AMERICA TRANSACTIONS | 2021年 / 19卷 / 12期

关键词：

RLC circuits; Integrated circuit modeling; Receivers; Mathematical model; IEEE transactions; Wireless communication; Coils; Circuit Matching; Magnetic Coupling; Maximum Power Transfer; Resonators; Wireless Power Transmission; CIRCULAR FILAMENTS; INDUCTANCE;

D O I：

10.1109/TLA.2021.9480139

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this article the model for the study of wireless power transfer to several receivers is presented. The problem of determining the ideal loads to obtain the maximum transfer of energy in a connection between a transmitter and several receivers was considered and solved by applying the maximum power transfer theorem for N ports. This condition is derived from the circuit analysis and discussed together with the respective efficiency of the Wireless Power Transfer (WPT) system (). In sequence, it is shown that a WPT system with multiple coils without loss of energy in the two communication circuits presents, from the maximum transfer of power and efficiency point of view, performance similar to that of a 2 coil WPT system. Simple analytical expressions for the load impedances were validated through experiments and circuit simulations. These expressions are also valid in the case of mutual coupling between receivers.

引用

页码：1987 / 1994

页数：8

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