Abstract
The paper gives a review of the investigation, which is being imported under different shading scenarios on the solar photovoltaic (PV) array arrangements. Under non-uniform irradiations, the authors pursue voluminous interpretation to scrutinize the mismatch power losses (PL) in PV array systems. In addition to power, the partial shading also reveals non-linearity along with multiple maximum power points (MPP) on performance curves i.e. power-voltage (P-V) and current-voltage (I-V). The inspection of the optimal layout of PV modules during the study helps us to extract maximum power and reduce the number of power peaks, when arranged in an array under partial shading conditions (PSCs). In the vicinity of PV array configurations such as series-parallel (SP), honey-comb (HC), bridge-link (BL), total cross-tied (TCT), and hybrid series-parallel-Total cross-tied (SP-TCT), bridge link-honey comb (BL-HC), and bridge link-total cross-tied (BL-TCT) are considered to investigate the performance under shadowing conditions. Moreover, Latin square (LS) puzzle is introduced to reconfigure the PV array and extensive comprehensive comparison with conventional is presented and entitled as “LS-TCT” configuration. The MATLAB/Simulink environment helps in modelling all the considered PV array configurations. The recommended LS-TCT configuration is turned out to be superior (for MATLAB/Simulink study) among all configurations during PSCs in terms of location of global maximum power point (GMPP), minimized PL and improved fill factor (FF). To show the superiority of proposed Shape-do-Ku (SPDK) puzzle based configuration, an experimental comparison is shown with conventional TCT and LS-TCT, Su-do-Ku (SDK) puzzle based configurations under new shading pattern-4. In addition, presented experimental study is validated the results obtained during MATLAB/Simulink study.
Highlights
In this era, when the repository of fossil fuels is a deficit and limitedly constrained, the rejuvenated analyst needs to explore productive renewable energy (RE) sources
This paper successfully investigated the performance of SP, BL, HC, bridge link-honey comb (BL-HC), total cross-tied (TCT), SP–TCT, BL–TCT, and Latin square (LS)-TCT configurations using the MATLAB/Simulink models
Performance has been assessed by current, voltage, power at global maximum power point (GMPP), fill factor (FF), and power losses (PL)
Summary
In this era, when the repository of fossil fuels is a deficit and limitedly constrained, the rejuvenated analyst needs to explore productive renewable energy (RE) sources. In the framework of the optimum availability of bio-fuel cell energy, wind turbines, and PV systems are emerging RE sources of energy without denying the fact that they have their own limitations towards environmental aspects [1]. PV technology confronts enormous issues due to numerous known and un-acquainted causes’ e.g. malfunction and climatic contaminants. This article has been accepted for publication in a future issue of this journal, but has not been fully edited. The reasons behind the formation of diverse shadows on the surface of PV plants may be due to clouds shifting, neighboring trees, and upraised buildings especially in metropolitan areas [2].
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