Optimal Design and Control of stand-alone photovoltaic system and analyzing its environmental and techno-economic aspects in Tunisia: A case study of Borj Cedria

Safa SLOUMA, Wael BOULARES, Souheil EL ALIMI, Abdelmajid JEMNI, Somnath Maity

Abstract


This research work focus explores the economic, technical and environmental aspects of Stand-Alone Photovoltaic System (SAPS) for off-grid electrification in the area of Tunisia (case study of Borj Cedria).. Optimal design and control for this system are also presented. PV-SYST software and PV-GIS site are utilized to assess environmental and technical analysis. To analyze the SAPS installation cost, a design office was consulted to estimate the equipment cost.

Then, Nonlinear Sliding Mode Controller (SMC) is performed in this paper to extract the maximum power from photovoltaic system (PVs) within different climatic conditions This contol is based on Perturb & Observe (P&O) Maximum Power Point Tracking (MPPT) method.

The control diagram presented with photovoltaic system is simulated under MATLAB -SIMULINK.

The environmental results found the benefits of optimal configuration PV/Batteries adopted in terms of the CO2 emissions reduction of up to 66.24 kg /year.

Furthermore, the economic results of this work might help Tunisian government develop effective planning also policies to provide affordable as well as reliable electrification to off-grid regions.

Moreover, the SMC simulation results are compared to classical proportional integral control (PI), while keeping the same weather changes and system parameters. Simulation results with real data, prove the proposed approach effectiveness.


Keywords


energy; renewable energy; green energy; solar energy; electrical engineering

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DOI (PDF): https://doi.org/10.20508/ijrer.v14i4.14440.g8966

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