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Revista Técnica energía

versión On-line ISSN 2602-8492versión impresa ISSN 1390-5074


BURBANO, Vladimir  y  NARVAEZ, Ricardo. Pre-feasibility evaluation for the generation of electrical energy through the synergy between wind energy and water pumping storage in San Cristóbal Island - Galápagos. Revista Técnica energía [online]. 2021, vol.17, n.2, pp.29-43. ISSN 2602-8492.

This document presents an investigation that aims to contribute to the mitigation of climate change, in addition to seeking energy autonomy based on Renewable Energy. For that reason, this research evaluates the prefeasibility of a renewable energy storage system based on water pumping on San Cristóbal - Galápagos Island, where there is a potential energy source located in El Junco lagoon. For this, the calculations were made based on the island's demand curve during 2018, taking into account that it is desired to cover the peak of such energy demand -at night that is between 16:00h and 22:00h-. Storage tanks are calculated according to the required volume, in addition to the characteristics that the generators may have to cover that peak demand. For the return of the water used in the generation, a pumping system is calculated based on the energy obtained through the wind resource of San Cristóbal, which corresponds to 3 wind turbines -of which its power curve is analyzed together with the average speed of the wind per hour during 2018-. The energy delivered by the wind turbines to carry out the required pumping is obtained, in addition to the required characteristics of the pumps. The results demonstrate that the proposal is viable given that the demand for the night peak is covered, considering that the energy used is purely renewable.

Palabras clave : Hybrid system; wind; hydraulic; storage; electricity generation; pumped ..

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