Wireless power transfer system with load-independent inverse class-E oscillator

被引：1

作者：

Komiyama, Yutaro ^{[1
]}

Matsuhashi, Shuya ^{[1
]}

Zhu, Wenqi ^{[1
]}

Nguyen, Kien ^{[1
]}

Uematsu, Takeshi ^{[2
]}

Ito, Yuki ^{[2
]}

Mishima, Taichi ^{[2
]}

Sekiya, Hiroo ^{[1
]}

机构：

[1] Chiba Univ, Grad Sch Sci & Engn, Inage Ku, 1-33 Yayoi Cho, Chiba, Chiba 2638522, Japan

[2] Omron Corp Kyoto, Kyoto 6008530, Japan

来源：

IEICE NONLINEAR THEORY AND ITS APPLICATIONS | 2022年 / 13卷 / 02期

关键词：

wireless power transfer; autonomous system; inverse class-E oscillator; load variation;

D O I：

10.1587/nolta.13.465

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

This paper proposes a wireless power transfer (WPT) system using the load-independent inverse class-E oscillator. The proposed system realizes autonomous operation without using external driving circuits. Therefore, it is easier to design the power-transmission inverter at high frequencies, in particular. Moreover, the proposed WPT system has load-independent characteristics. It maintains constant output voltage and zero current switching (ZCS) of the MOSFET without applying any controls for load variations. We conducted the circuit analysis and the experimental verifications for the proposed system. In the experiment, the proposed system achieved 76.5 % power-delivery efficiency with 20 W output power and 1 MHz operating frequency at the rated state.

引用

页码：465 / 470

页数：6

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