A fast and low cost analog maximum power point tracking method for low power photovoltaic systems

被引：67

作者：

Liu, Yi-Hua ^{[1
]}

Huang, Jia-Wei ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 106, Taiwan

来源：

SOLAR ENERGY | 2011年 / 85卷 / 11期

关键词：

Photovoltaic (PV); Maximum power point tracking (MPPT); Analog MPPT; MPPT;

D O I：

10.1016/j.solener.2011.08.019

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Low power photovoltaic (PV) systems are commonly used in stand-alone applications. For these systems, a simple and cost-effective maximum power point tracking (MPPT) solution is essential. In this paper, a fast and low cost analog MPPT method for low power PV systems is proposed. By using two voltage approximation lines (VALs) to approximate the maximum power point (MPP) locus, a low-complexity analog MPPT circuit can be developed. Theoretical derivation and detailed design procedure will be provided in this paper. The proposed method boasts the advantages such as simple structure, low cost, fast tracking speed and high tracking efficiency. To validate the correctness of the proposed method, simulation and experimental results of an 87 W PV system will also be provided to demonstrate the effectiveness of the proposed technique. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2771 / 2780

页数：10

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