AN EXPERIMENTAL OPTIMIZATION STUDY OF A PHOTOVOLTAIC SOLAR PUMPING SYSTEM USED FOR SOLAR DOMESTIC HOT WATER SYSTEM UNDER IRAQI CLIMATE

Year 2021, , 162 - 173, 01.02.2021

Mahmoud Mahdi Ameer Jaddoa

https://doi.org/10.18186/thermal.871296

Abstract

The performance of a photovoltaic solar water pumping system (PVSWPS) promising in a solar water heating system has been studied experimentally. The design of a photovoltaic array configuration can affect the performance of the (PVSWPS), the water pump characteristic, the flow rate of the water and the overall system efficiency. The aim of the present work is to determine an optimum photovoltaic array configuration that can supply a water pump with an optimal amount of energy. Three different photovoltaic array configurations have been tested (4S, 2S ×2P and 4P). The experiments have been carried out in a sunny day, light hours under the conditions of Iraq climate and for a constant head level of 6m. The results showed that the second photovoltaic array configuration (2P × 2S) is suitable to provide an optimal energy. Also, the second photovoltaic array configuration (2P × 2S) that powered the water pump delivered a maximum average water volume (2.298 m3) during the day among the three different configurations.

Keywords

Photovoltaic pumping system, Photovoltaic configuration optimization, Outdoor testing, Domestic hot water system

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