Harmonic-Recycling Rectifier for High-Efficiency Far-Field Wireless Power Transfer

被引：15

作者：

Ngo, Tung ^{[1
]}

Guo, Yong-Xin ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2020年 / 67卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

Rectifiers; Schottky diodes; Harmonic analysis; Recycling; Radio frequency; Harmonics suppression; Power system harmonics; Harmonic recycling; rectifier; wireless power transfer; MICROWAVE RECTIFIER; ENERGY RECOVERY; RF RECTIFIER; BAND; RECTENNA; COMPACT;

D O I：

10.1109/TCSII.2019.2923838

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：

A new harmonic-recycling (HR) rectifier is proposed. Different from conventional rectifiers using harmonic suppression, the proposed rectifier channels the fundamental component generated by the diode to another rectifying element optimized for low-power range, which enables more efficient RF-DC conversion. By implementing a HR unit, additional dc power can be collected with 18% and 11% enhancement in dc output voltage and RF-DC conversion efficiency, respectively. This provides an alternative and more effective method to extract dc power from the incident RF for wireless power transfer application.

引用

页码：770 / 774

页数：5

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