Modeling and optimization of a solar energy harvester system for self-powered wireless sensor networks

被引：228

作者：

Dondi, Denis ^{[4
]}

Bertacchini, Alessandro ^{[1
]}

Brunelli, Davide ^{[2
]}

Larcher, Luca ^{[1
]}

Benini, Luca ^{[2
,3
]}

机构：

[1] Univ Modena & Reggio Emilia, Dept Engn Sci & Methodol DISMI, I-42100 Modena, Italy

[2] Univ Bologna, Dept Elect Comp Sci & Syst DEIS, I-40126 Bologna, Italy

[3] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

[4] Univ Modena & Reggio Emilia, Dept Informat Engn DII, I-41100 Modena, Italy

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2008年 / 55卷 / 07期

关键词：

maximum power point tracking (MPPT); modeling and optimization; PSpice simulations; solar harvester;

D O I：

10.1109/TIE.2008.924449

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we propose a methodology for optimizing a solar harvester with maximum power point tracking for self-powered wireless sensor network (WSN) nodes. We focus on maximizing the harvester's efficiency in transferring energy from the solar panel to the energy storing device. A photovoltaic panel analytical model, based on a simplified parameter extraction procedure, is adopted. This model predicts the instantaneous power collected by the panel helping the harvester design and optimization procedure. Moreover, a detailed modeling of the harvester is proposed to understand basic harvester behavior and optimize the circuit. Experimental results based on the presented design guidelines demonstrate the effectiveness of the adopted methodology. This design procedure helps in boosting efficiency, allowing to reach a maximum efficiency of 85% with discrete components. The application field of this circuit is not limited to self-powered WSIN nodes; it can easily be extended in embedded portable applications to extend the battery life.

引用

页码：2759 / 2766

页数：8

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