Experimental Performance of MPPT Algorithm for Photovoltaic Sources Subject to Inhomogeneous Insolation

被引：127

作者：

Carannante, G. ^{[1
]}

Fraddanno, Ciro

Pagano, Mario ^{[1
]}

Piegari, Luigi ^{[2
]}

机构：

[1] Univ Naples Federico II, Dept Elect Engn, Elect Power Syst Res Grp, I-8125 Naples, Italy

[2] Politecn Milan, Dept Elect Engn, I-20131 Milan, Italy

来源：

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

关键词：

Cell mismatch; maximum power; nonuniform insolation; photovoltaic (PV) technology; Traditional Maximum Power Point Tracking (MPPT) method; urban context; RENEWABLE ENERGY-SOURCES; ARRAYS; SYSTEM;

D O I：

10.1109/TIE.2009.2019570

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Photovoltaic (PV) power system performance depends on local irradiance conditions. PV systems are sometimes subject to partial shading, which may produce a nonideal characteristic curve, presenting true and local power maxima in the P-I curve. Traditional Maximum Power Point Tracking (MPPT) algorithms can converge to local maximum, which is not the true MPP. In order to solve the problem, this paper investigates the effects of nonuniform solar irradiance distribution on a PV source. An MPPT algorithm that is able to optimize the source instantaneous operating power under nonuniform irradiance is proposed. The ability of the algorithm and its increased performance with respect to traditional algorithms are evaluated by means of experimental tests performed on a real PV power system.

引用

收藏

页码：4374 / 4380

页数：7

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