Multi-stage and multi-objective optimization for optimal sizing of stand-alone photovoltaic water pumping systems

Eihab E.E. Ahmed and Alpaslan Demirci

Energy, 2022, vol. 252, issue C

Abstract: Supplying electrical energy and drinking water in developing countries, especially in rural areas, is a challenging issue. The main reasons for this may include faulty grid lines, inability to fulfill the increasing demand, and inadequate coverage of the national transmission lines due to the distance between the remote villages. Photovoltaic water pumping systems (PVPS) can be the solution to the aforementioned problems. However, the high costs of PVPS and the unpredictability of solar radiation complicate the design of PVPS. This study was conducted considering the drinking water needs of a village located near Khartoum, Sudan. Multi-objective optimization (MOO) in the developed techno-economic model was carried out considering the reliability in terms of loss of load probability (LLP) and life cycle cost (LCC). The PVPS has been optimally sized considering the tilt angle, installed and unused PV power, water tank volume, and excess water. The particle swarm optimization (PSO) algorithm and the new python package, pvpumpingsystem, were combined to simulate the proposed PVPS model. Sensitivity analysis was conducted considering system performance, PV capacity, and tank volume. The optimal sizing results of the proposed model would be satisfactory and feasible, especially in developing countries with infrastructure and energy problems.

Keywords: Photovoltaic water pumping system; Multi-objective optimization; Loss of load probability; Life cycle cost; Particle swarm optimization (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:252:y:2022:i:c:s0360544222009513

DOI: 10.1016/j.energy.2022.124048

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