A maximum power point tracking system with parallel connection for PV stand-alone applications

被引：184

作者：

Gules, Roger ^{[1
,4
]}

Pacheco, Juliano De Pellegrin ^{[1
]}

Hey, Helio Leaes ^{[2
,5
]}

Imhoff, Johninson ^{[3
]}

机构：

[1] Fed Univ Technol, Programa Posgrad Engn Eletr & Informat Ind, CPGEI UTFPR, BR-80230901 Curitiba, Parana, Brazil

[2] Univ Fed Santa Maria, Power Elect & Control Res Grp, BR-97105900 Santa Maria, RS, Brazil

[3] Electrolux Brazil SA, BR-81520900 Curitiba, Parana, Brazil

[4] Univ Vale do Rio dos Sinos, Sao Leopoldo, Brazil

[5] Univ Oviedo, Elect & Elect Dept, Oviedo, Spain

来源：

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

关键词：

dc-dc power conversion; photovoltaic (PV) power systems; solar energy;

D O I：

10.1109/TIE.2008.924033

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 presents the analysis, design, and implementation of a parallel connected maximum power point tracking (MPPT) system for stand-alone photovoltaic power generation. The parallel connection of the MPPT system reduces the negative influence of power converter losses in the overall efficiency because only a part of the generated power is processed by the MPPT system. Furthermore, all control algorithms used in the classical series-connected MPPT can be applied to the parallel system. A simple bidirectional dc-dc power converter is proposed for the MPPT implementation and presents the functions of battery charger and step-up converter. The operation characteristics of the proposed circuit are analyzed with the implementation of a prototype in a practical application.

引用

页码：2674 / 2683

页数：10

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