Bibliographic citations
Corbera, W., (2023). Diseño de un sistema de bombeo fotovoltaico autónomo directo para bombear agua desde un pozo hasta un embalse y posterior riego por goteo de cultivo de palta [Tesis, Universidad Nacional de Ingeniería]. http://hdl.handle.net/20.500.14076/26625
Corbera, W., Diseño de un sistema de bombeo fotovoltaico autónomo directo para bombear agua desde un pozo hasta un embalse y posterior riego por goteo de cultivo de palta [Tesis]. PE: Universidad Nacional de Ingeniería; 2023. http://hdl.handle.net/20.500.14076/26625
@misc{renati/712677,
title = "Diseño de un sistema de bombeo fotovoltaico autónomo directo para bombear agua desde un pozo hasta un embalse y posterior riego por goteo de cultivo de palta",
author = "Corbera Terrones, Wilson Josiel",
publisher = "Universidad Nacional de Ingeniería",
year = "2023"
}
The main objective of this thesis is to design a direct autonomous photovoltaic pumping system to pump water from a well to a reservoir to meet the water demand of drip irrigation required for the cultivation of 5 hectares of avocado in the Delicia farm located in La Viña village, Nueva Arica district, Chiclayo province, Lambayeque department in Peru. In the design of the installation, three systems were considered, which are: the pumping system, the drip irrigation system, and the photovoltaic system. The pumping system chosen in this thesis is a direct autonomous photovoltaic pumping system in which the operation of the pump is limited only to the moments when there is solar radiation. Solar radiation is obtained from the PVGIS web platform, resulting in a variation in daily irradiation from 5.291 kWh/m2 for the month of March to 6.139 kWh/m2 in the month of November for an optimum inclination angle of 10°. The pumping flow is established for the month with the maximum flow required, which happens in the month of January, resulting in a design flow of 48 m3/h. To establish this flow, the pump must provide 71.476 m of total head. To meet this pumping requirement, a submersible pump was selected that requires a three-phase motor with a nominal power of 11 kW. In addition, the discharge pipe is a 4” nominal diameter PVC pipe and the accessories installed in this pipe consist of 4 90° elbows, 1 gate valve and 1 check valve. The gravity drip irrigation system consists of a 500 m3 reservoir with a rectangular base of 10 m x 20 m and a height of 2.5 m, which can store water for up to 2 days of irrigation. The reservoir must be located at a suitable level in order to provide the necessary pressure in the drippers. Based on the calculations carried out, there are polyethylene lateral pipes with a nominal diameter of 32 mm, PVC submain pipes with a nominal diameter of 2”, a PVC main pipe with a nominal diameter of 4” and compensating drippers of 8 l/h. Finally, the photovoltaic system is made up of 60 monocrystalline panels of 370 W with an arrangement of 3 chains in parallel and 20 panels in series per chain, producing a photovoltaic generator with a nominal power of 22.2 kW. The electronic device that will be in charge of converting the direct current developed by the photovoltaic generator into alternating current is a 15 kW solar pump inverter with a maximum DC input of 880 V and 33.3 A, and a three-phase output of 380 V - 460 V.
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