Publication: Design of a photovoltaic solar pumping system for drinking water supply in the municipality of La Libertad (El Salvador)
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2021-06-23
Defense date
2021-07-06
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Abstract
The project being drawn up aims to determine the possibilities of supplying drinking water to communities located in isolated areas and with scarce economic resources in countries located in Central America using photovoltaic solar as a source of energy supply. The chosen site of the project will be the community of Miramar located in the municipality of La Libertad belonging to El Salvador. In the project, a description of the different types of renewable energy that currently exist, and in a particular way, the operation of photovoltaic solar energy will be explained, with an exposition of how this type of energy is currently in the world and in El Salvador. The drafted project basically consists of the definition and dimensioning of a system for pumping water from a well to a reservoir to supply the Miramar community using a photovoltaic solar installation as a source of energy for the pump motor. In such a way that, considering the population of the Miramar community and its twenty-year projection, its water needs will be calculated based on the operating hours of the pump motor, according to the peak hours of the most unfavorable month at the project site, and taking into account the manometric height of the pumping, the required pump motor will be dimensioned. Once the pump motor has been selected, first exposing the different types of pumping that can be used and the reasons for the choice made, the photovoltaic installation is dimensioned. Likewise, the different components of the photovoltaic installation are described, such as: the solar panels, their configuration, and the inverter conversion of the generated direct current to alternating current, with the definition of their technical characteristics, and a theoretical explanation of the electricity generation through photovoltaic panels and its mechanical transformation in the pumping system. Finally, an analysis of the investment of the project is carried out that allows water to be pumped from a well to a deposit in isolated areas, such as the Miramar community in El Salvador, where there is no possibility of connection to the grid, using due to that, photovoltaic solar energy. It concludes with a list of advantages and disadvantages of this type of solution to address the problem of supplying water from a well to isolated populations by pumping them, without connection to the electric grid, and having scarce economic resources.
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Solar energy, Solar power generation, Photovoltaic cells, Water pumps, Water storage