离网光伏灌溉系统的技术经济可行性

IF 0.9 4区农林科学 Q3 AGRICULTURAL ENGINEERING

Engenharia Agricola Pub Date : 2023-08-21 DOI:10.1590/1809-4430-eng.agric.v43n3e20210168/2023

J. Bruning, A. D. Robaina, M. X. Peiter, Miguel Chaiben Neto, S. A. Rodrigues

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TECHNICAL AND ECONOMIC FEASIBILITY OF OFF-GRID PHOTOVOLTAIC SYSTEMS FOR IRRIGATION

In rural areas, the electricity supply is affected by problems such as low quality and limited access in some regions. The use of renewable sources, with decentralized generation, can offer an alternative to the existing scenario. The objective of this work is to perform a technical and economic analysis of off-grid photovoltaic systems, without energy storage, intended for irrigation. Photovoltaic systems from different irrigation systems were sized, with power ratings from 0.736 to 29.44 kW. Their technical feasibility was determined based on the energy supply period and the availability of solar radiation as restriction variables. Economic feasibility was determined by the indicators of net present value (NPV), internal rate of return (IRR), benefit/cost ratio (B/C) and profitability index (PI). Feasible operation was found for irrigation systems with motors up to 11.04 kW; however, for systems that required higher powers, the number of operating hours available was less than

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来源期刊

Engenharia Agricola AGRICULTURAL ENGINEERING-

CiteScore

1.90

自引率

20.00%

发文量

审稿时长

4-8 weeks

期刊介绍： A revista Engenharia Agrícola existe desde 1972 como o principal veículo editorial de caráter técnico-científico da SBEA - Associação Brasileira de Engenharia Agrícola. Publicar artigos científicos, artigos técnicos e revisões bibliográficas inéditos, fomentando a divulgação do conhecimento prático e científico na área de Engenharia Agrícola.