Analysis and enhancement of PV efficiency with incremental conductance MPPT technique under non-linear loading conditions

被引：124

作者：

Sivakumar, P. ^{[1
]}

Kader, Abdullah Abdul ^{[1
]}

Kaliavaradhan, Yogeshraj ^{[1
]}

Arutchelvi, M. ^{[2
]}

机构：

[1] JJ Coll Engn & Technol, Dept Elect & Elect, Tiruchirappalli, Tamil Nadu, India

[2] Saranathan Coll Engn & Technol, Dept Elect & Elect, Tiruchirappalli, Tamil Nadu, India

来源：

RENEWABLE ENERGY | 2015年 / 81卷

关键词：

Maximum power point tracking (MPPT); Incremental conductance(IC); Non-linear load; Photovoltaic (PV); MATLAB-Simulink;

D O I：

10.1016/j.renene.2015.03.062

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper presents experimental evaluations for variation in the efficiency of energy extracted from a photovoltaic (PV) module (under non-linear loading) incorporated with an incremental conductance(IC) maximum power point tracking (MPPT) algorithm. The focus is on the evaluation of the PV panel under non-linear loading conditions using the experimental installation of a 100W(p) photovoltaic array connected to a DC-DC converter and a KVA inverter feeding a non-linear load. Under the conditions of non-linear loading, both the simulation and experiment show that the MPPT technique fails to attain maximum power point due to the presence of ripples in the current leading eventually to a reduction in efficiency. In this paper, panel current is taken as a function of load impedance in the MPPT algorithm to eradicate power variation, as load impedance varies with supply voltage under non-linear conditions. The system is simulated for different non-linear loads using MATLAB-Simulink. A TMDSSOLAREXPKIT was used for MPPT control. In case 2, the inverter is connected to a single phase grid. When a voltage swell occurs in the grid, PV power drops. This power loss is reduced using the proposed MPPT method. The results of simulations and experimental measurements and cost efficiency calculations are presented. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：543 / 550

页数：8

共 23 条

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