Adaptive Perturb & Observe MPPT Algorithm for Photovoltaic System

被引：0

作者：

Kollimalla, Sathish Kumar ^{[1
]}

Mishra, Mahesh Kumar ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Madras 600036, Tamil Nadu, India

来源：

2013 IEEE POWER AND ENERGY CONFERENCE AT ILLINOIS (PECI) | 2013年

关键词：

PV module; maximum power point tracking (MPPT); perturb and observe (P&O) method; fractional short circuit current method; adaptive control; TRACKING; ARRAY; MODEL;

D O I：

暂无

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：

Maximum power point tracking (MPPT) techniques are used in photovoltaic (PV) systems to extract maximum power from the PV module. There are number of techniques available in literature. Perturb and observe (P&O) method is widely used because of its low-cost and ease of implementation. The P&O method oscillates close to maximum power point (MPP), when atmospheric conditions are constant or slowly varying. However, when irradiance and temperature are changing rapidly, this method fails to track MPP with rapid speed. In order to consider rapidly varying atmospheric conditions an adaptive control algorithm is proposed, by measuring the short circuit current at different irradiance levels and temperatures. In this proposed method current perturbation is considered instead of voltage perturbation. The proposed method has faster dynamics and improved stability compared to the conventional P&O method. The effectiveness of proposed MPPT algorithm is verified using digital simulations.

引用

页码：42 / 47

页数：6

共 28 条

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