Modeling the effect of voltage ripple on the power output of photovoltaic modules

被引：112

作者：

Benavides, Nicholas D. ^{[1
,3
]}

Chapman, Patrick L. ^{[2
,3
]}

机构：

[1] Converteam Inc, Pittsburgh, PA 15238 USA

[2] Univ Illinois, Urbana, IL 61801 USA

[3] SmartSpark Energy Syst Inc, Champaign, IL USA

来源：

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

关键词：

dc-dc power conversion; photovoltaic power systems; power electronics;

D O I：

10.1109/TIE.2008.921442

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a model for the static power loss in photovoltaic (PV) panels due to switching-frequency ripple. Small-signal modeling is used to determine the amplitude of the voltage ripple that is imposed on the PV panel, and a closed-form expression is developed for the output power. The expression is shown to be more accurate than the power loss that was predicted by small-signal modeling alone, resulting in a median error of 0.8%. The model presented allows dc-dc converter designers to more precisely choose the input filter components that are critical during times of low insolation.

引用

页码：2638 / 2643

页数：6

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