Voltage Reversal in Unbalanced Rectenna Association

被引：6

作者：

Degrenne, Nicolas ^{[1
]}

Marian, Vlad ^{[1
]}

Vollaire, Christian ^{[1
]}

Buret, Francois ^{[1
]}

Verdier, Jacques ^{[2
]}

Allard, Bruno ^{[3
]}

机构：

[1] Lab Ampere, F-69130 Ecully, France

[2] Inst Nanotechnol Lyon, F-69621 Villeurbanne, France

[3] Lab Ampere, F-69621 Villeurbanne, France

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷

关键词：

Energy harvesting; rectenna; series association;

D O I：

10.1109/LAWP.2012.2212231

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：

Rectifying antenna (rectenna) associations can be advantageously used to harvest electromagnetic energy from different directions. When the rectennas are associated in series, their output voltages are added, and the electrical dc energy is more easily exploitable. This letter shows that if a rectenna receives significantly less energy than the others (i.e., unbalanced association), its voltage polarity may reverse. Simulation and experimental results show that when an unbalanced association is operated at maximum power point, voltage reversal can result in a total decrease in efficiency of up to 26%. Possible solutions to reduce these detrimental consequences are also discussed.

引用

页码：941 / 944

页数：4

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