Conductive Coupler for Wireless Power Transfer Under Seawater

Conductive Coupler for Wireless Power Transfer Under Seawater
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用于海水下无线电力传输的导电耦合器

DOI:
10.1109/ims30576.2020.9224107
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发表时间:
2020
期刊:
Proc. 2020 IEEE MTT-S Int. Microwave Symposium
影响因子:
--
通讯作者:
Matsumoto Marimo
Matsumoto Marimo
中科院分区:
--
文献类型:
--
作者:
Tamura Masaya;Murai Kousuke;Matsumoto Marimo

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提出了一种用于海水中无线电能传输的耦合器,该耦合器由两对平行平板电极组成。该文件澄清了两点。一个是我们的导电耦合器的工作原理,使用简化的等效电路。设计的关键参数基于理论方程,以获得最大可用效率ηmax。另一个是通过WPT的演示来阐明功率传输效率η。介绍了一种采用电磁仿真的设计方法,并制作了样机.结果表明,在2 MHz时,η max可达实测值的79%.此外,在6.78 MHz下的约50%的η在约275 W的输入功率下被维持。
This paper presents a coupler consisting of two pairs of parallel-plate electrodes for wireless power transfer (WPT) under seawater. The paper clarifies two points. One is the operational principle of our conductive coupler using a simplified equivalent circuit. The crucial parameters for the design are based on a theoretical equation to obtain maximum available efficiency ηmax. The other is to clarify the power transfer efficiency η via a demonstration of the WPT. A design method using an electromagnetic (EM) simulation is introduced and the prototype is manufactured. Results showed that ηmaxof 79 % at 2 MHz from the measured results could be achieved. Furthermore, η of about 50 % at 6.78 MHz was maintained at around an input power of 275 W.
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