American Journal of Energy Research
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American Journal of Energy Research. 2018, 6(1), 8-18
DOI: 10.12691/ajer-6-1-2
Open AccessArticle

Analysis of Partial Shading Effects of Solar PV Module Configurations Using MATLAB/Simulink

Hoe-Gil Lee1, , Jash N Shah2, Panshul Tyagi2 and Vigneshwar M2

1Department of Engineering and Computer Science, Tarleton State University, Box T-0390, Stephenville, TX 76402, USA

2Department of Mechanical Engineering, Shiv Nadar University, District Gautam Buddha Nagar U.P. 2101 314, India

Pub. Date: July 06, 2018

Cite this paper:
Hoe-Gil Lee, Jash N Shah, Panshul Tyagi and Vigneshwar M. Analysis of Partial Shading Effects of Solar PV Module Configurations Using MATLAB/Simulink. American Journal of Energy Research. 2018; 6(1):8-18. doi: 10.12691/ajer-6-1-2


Solar energy is an important aspect of renewable energy because we can easily obtain access to the source. The photovoltaic (PV) cell is the fundamental unit in the power conversion of the solar system. When the PV cells are exposed to partial shading as a result of a multitude of environmental conditions, the performance of the solar PV module is remarkably affected in terms of the efficiency of the system. In many cases, the PV arrays are shadowed, whether completely or partially, by passing clouds, neighboring buildings and towers, trees, or the shadow of one solar array falling on another. This study investigates the effects of partial shading on energy output of different configurations of solar PV modules. In this study, three different solar PV configurations are investigated: 1) Series 2) Parallel, and 3) Series-Parallel. All the considered PV configurations are analyzed using several possible scenarios of shading in order to evaluate their performances and to find a configuration that is comparatively less susceptible to electrical mismatches due to shadow problems. Owing to the practical difficulty of conducting experiments on varied array sizes, the proposed model also includes a general model of a PV module, which was implemented on MATLAB/Simulink and has been developed for any required array size, configuration and different shading patterns. This model is simple and especially useful to calculate the actual performances of the PV modules under various operating conditions.

solar energy photovoltaic cell PV module solar radiation partial shading effects MATLAB/Simulink

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