Dioari Ulrich Combari1, Arnaud Ouermi2, Wend Yam Mickaïla Tertus Dermé3, Mamoudou Saria4, and Issa Zerbo5
1 Ecole Polytechnique de Ouagadougou, Ouagadougou, Burkina Faso
2 Laboratoire Multidisciplinaire de Recherche en Sciences de l’Ingénieur (LMRSI), Ecole Polytechnique de Ouagadougou (EPO), Ouagadougou, Burkina Faso
3 Laboratoire Multidisciplinaire de Recherche en Sciences de l’Ingénieur (LMRSI), Ecole Polytechnique de Ouagadougou (EPO), Ouagadougou, Burkina Faso
4 Laboratoire d’Energies Thermiques REnouvelables (L.E.T.RE), Ecole Doctorale Sciences et Technologies, Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
5 Laboratoire d’Energies Thermiques REnouvelables (L.E.T.RE), Ecole Doctorale Sciences et Technologies, Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
Original language: English
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Abstract
This study concerns the implementation of a Mini Smart Grid (MSG) to optimize the use of energy produced by a hybrid PV/Diesel power plant with storage. Since this network has more than two energy sources, an Energy Management System (EMS) is essential to optimize energy distribution between these different sources. An energy management algorithm was developed, and the HOMER Pro modeling and simulation software was used. Five (05) scenarios relating to the combination of the different sources were considered: a complete system (PV Generator, Diesel, Storage, DC/AC converter) called scenario 1, a combination (Diesel Generator, Storage, DC/AC converter) called scenario 2, a combination (PV Generator, Storage, DC/AC converter) called scenario 3, a limitation of the system to Diesel Generator alone which constitutes scenario 4 and finally a last combination (PV Generator, Diesel, DC/AC converter) which is scenario 5. An economic analysis using life-cycle cost and energy cost indicators revealed that the best scenario, in this sense, is scenario 3 (8.12 million FCFA; 10.40 million FCFA). It comes before scenario 1 (12.20 million FCFA; 15.63 million FCFA). This was followed by an environmental pollution analysis. It showed that the most environmentally friendly scenario is scenario 3 because it emits no harmful gases or particles; scenario 1 has very low emissions (2607 kg/year of CO2), it is not perfectly environmentally friendly, but it is acceptable as a system. With population growth, energy intermittency may occur in this system. Scenario 1 will then become the best scenario. The integration of drawdown costs will not affect the results because the scenarios defined as best are also the least polluting.
Author Keywords: energy, mini smart grid, scenarios, economic study, environmental study.
