Methods for Improving the Efficiency of Transcutaneous Wireless Power Transmission Systems Using a Class E Power Amplifier

被引：0
|
作者：
Mindubaev, E. A. [1 ]
Savel'ev, N. O. [2 ]
机构：
[1] Natl Res Univ Elect Technol, Inst Biomed Syst, Moscow, Russia
[2] Natl Res Univ Elect Technol, Moscow, Russia
来源：
BIOMEDICAL ENGINEERING-MEDITSINSKAYA TEKNIKA | 2023年 / 57卷 / 01期
关键词：
SHUNT CAPACITANCE;
D O I：
10.1007/s10527-023-10264-0
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This article investigates circuit techniques for improving the efficiency of a transcutaneous wireless power (TWP) transmission system based on a class E power amplifier. The results of comparing a system with a standard class E power amplifier with three possible amplifier modifications are presented: addition of a series filter to the amplifier, addition of a parallel filter to the amplifier, and use of an amplifier with semi-resonant topology. All circuits were designed in such a way that the condition of switching at zero voltage is met, and all provide the same output power of 1 W. The system with a class E power amplifier with semi-resonant topology was found to have the highest efficiency - 78.2% - for a TWP system with parameters typical of those of the power supplies of implantable medical devices.
引用
收藏
页码：45 / 47
页数：3
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