Design of a misalignment-resistant capacitive coupler for wireless power transfer under fresh water

被引：2
作者：
Matsukami, Hiroaki [1 ]
Murai, Kosuke [1 ]
Tamura, Masaya [1 ]
机构：
[1] Toyohashi Univ Technol, Elect Engn & Elect Informat Engn, Tempa Ku, 1-1 Hibarigaoka, Toyohashi, Aichi 4418580, Japan
来源：
IEICE COMMUNICATIONS EXPRESS | 2021年 / 10卷 / 02期
关键词：
wireless power transmission; underwater technology; Q-factor; coupler; coupling circuit;
D O I：
10.1587/comex.2020XBL0159
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, we describe the design of a misalignment-resistant capacitive coupler under fresh water. The two main issues discussed in this study are: the relation between misalignment and efficiency when using a typical capacitive coupler, and the design of a misalignment-resistant capacitive coupler. Theoretical calculation and analytical results show no relation between misalignment and transmission efficiency in terms of monotonic reduction. Further, the relation between misalignment and transmission efficiency is discussed with respect to the coupling coefficient. Finally, we establish the design guideline using coupling factors that take into account misalignment and design a misalignment-resistant capacitive coupler.
引用
收藏
页码：73 / 80
页数：8
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