Analysis and optimisation of three-coil wireless power transfer systems

被引:27
作者
Abatti, Paulo J. [1 ]
de Miranda, Caio M. [1 ]
da Silva, Marcio A. P. [1 ]
Pichorim, Sergio F. [1 ]
机构
[1] Fed Univ Technol Parana UTFPR, Grad Sch Elect Engn & Comp Sci CPGEI, Ave Sete Setembro 3165, BR-80230901 Curitiba, Parana, Brazil
关键词
inductive power transmission; radiofrequency power transmission; optimisation; three-coil wireless power transfer system optimization; three-coil wireless power transfer system analysis; WPT system; load circuits; load coils; communication circuit parameters; IMPLANTABLE DEVICES; DESIGN; COILS;
D O I
10.1049/iet-pel.2016.0492
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
In this study, the analysis of a three-coil wireless power transfer (WPT) system, which can be divided into source, communication and load circuits, is discussed in details. Among the three-coil WPT systems features, it is demonstrated, for instance, that maximum efficiency (MAX) and maximum power transferred to the load (P-3MAX) do not depend on the load resistance, neither on the mutual inductance between communication and load coils. In fact, it is shown that MAX and P-3MAX depend only on source and communication circuits parameters. Practical results are also presented, showing good agreement with the developed theory and validating the proposed analysis.
引用
收藏
页码:68 / 72
页数:5
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