Electrical PV Array Reconfiguration Strategy for Energy Extraction Improvement in Grid-Connected PV Systems

被引：426

作者：

Velasco-Quesada, Guillermo ^{[1
]}

Guinjoan-Gispert, Francisco ^{[2
]}

Pique-Lopez, Robert ^{[1
]}

Roman-Lumbreras, Manuel

Conesa-Roca, Alfonso ^{[1
]}

机构：

[1] Univ Politecn Cataluna, Dept Ingn Elect, Escuela Univ Ingn Tecn Ind Barcelona, Barcelona 08036, Spain

[2] Univ Politecn Cataluna, Dept Ingn Elect, Escuela Tecn Super Ingenieros Telecomunicac Barce, ES-08034 Barcelona, Spain

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2009年 / 56卷 / 11期

关键词：

Electrical array reconfiguration (EAR); grid-connected photovoltaic (PV) systems; reconfigurable PV systems; MODULE;

D O I：

10.1109/TIE.2009.2024664

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 applies a dynamical electrical array reconfiguration (EAR) strategy on the photovoltaic (PV) generator of a grid-connected PV system based on a plant-oriented configuration, in order to improve its energy production when the operating conditions of the solar panels are different. The EAR strategy is carried out by inserting a controllable switching matrix between the PV generator and the central inverter, which allows the electrical reconnection of the available PV modules. As a result, the PV system exhibits a self-capacity for real-time adaptation to the PV generator external operating conditions and improves the energy extraction of the system. Experimental results are provided to validate the proposed approach.

引用

页码：4319 / 4331

页数：13

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