Dynamic modelling of a PV pumping system with special consideration on water demand

Pietro Elia Campana, Hailong Li and Jinyue Yan

Applied Energy, 2013, vol. 112, issue C, 635-645

Abstract: The exploitation of solar energy in remote areas through photovoltaic (PV) systems is an attractive solution for water pumping for irrigation systems. The design of a photovoltaic water pumping system (PVWPS) strictly depends on the estimation of the crop water requirements and land use since the water demand varies during the watering season and the solar irradiation changes time by time. It is of significance to conduct dynamic simulations in order to achieve the successful and optimal design. The aim of this paper is to develop a dynamic modelling tool for the design of a of photovoltaic water pumping system by combining the models of the water demand, the solar PV power and the pumping system, which can be used to validate the design procedure in terms of matching between water demand and water supply. Both alternate current (AC) and direct current (DC) pumps and both fixed and two-axis tracking PV array were analyzed. The tool has been applied in a case study. Results show that it has the ability to do rapid design and optimization of PV water pumping system by reducing the power peak and selecting the proper devices from both technical and economic viewpoints. Among the different alternatives considered in this study, the AC fixed system represented the best cost effective solution.

Keywords: Renewable energy resources; Solar energy; Photovoltaic system; Pumping system; Water demand (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (58)

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DOI: 10.1016/j.apenergy.2012.12.073

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