Annual Performance Evaluation of a Mobile Solar Water Pumping System

Document Type : Original Article

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Dokki

Abstract

The daily water produced from the solar water pumping system (SWPS) is dependent on several parameters like daily solar radiation falling on the photovoltaic modules (PV) and its associated area. The SWPS is considered cost savings on a long-term basis if it is compared to conventional water irrigation systems. The water productivity of the SWPS is affected by the PV modules slop and orientated direction. It is found that the optimal performance of the PV modules when facing south and with tilt angles from 20o to 30o, respectively. The values of solar radiation, output electric energy, and water daily water produced for the four seasons are measured. The current experimental study included the studying of different tilt angles of 0,30,50,70 and 90 respectively and different azimuth angles equals 90 , 60 and 30 , 0, -30 , -60 and -90 respectively. The maximum solar radiation, output electric energy, and the daily water demand are recorded at the studied slopes and directions all over the year seasons. A comparison between the proposed system in the current study and other systems in the literature in terms of cost of energy showed good agreement and significantly acceptable relative to the cost comparison.

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