International Journal of Photoenergy / 2020 / Article / Tab 4 / Research Article
Enhancing the Performance of the Standalone Rooftop SPV Module during Peak Solar Irradiance and Ambient Temperature by the Active Cooling of the Rear Surface with Spraying Water and the Front Surface with Overflowing Water Table 4 Comparison of the proposed SPV cooling system with several studies on a water-cooled SPV system.
Ref. % increase in efficiency Rated power Increase in power % increase Power spent for cooling Net power increased % increase Temp. reduction Water flow rate Type of cooling [5 ] 55 W 10.3 9 Up to 22°C 2 lit/min Front side water cooling [7 ] 60 W 4 to 10 Up to 26°C 4 lit/min Front side water cooling [8 ] 135 W 6 W 0.69 Up to 25°C Front side water cooling [9 ] 75 W 3.5 W 9.5 Up to 10°C Front side water cooling [10 ] 12.5 1 HP Up to 10°C 29 lit/min Front side water cooling [11 ] 50 W 9 to 22 5°C to 23°C Indoor front side water cooling [12 ] 80 W 21 W 26 5.4 W Up to 20°C 24.6 lit/m2 /day Front side water cooling [13 ] 180 W 21 W Up to 20°K Numerical simulation [14 ] 125 W Front side water cooling [15 ] 260 W 32 W 14.25 Wh 17.8 Wh Up to 28°C 6 lit/min Front side water cooling [16 ] 9 230 W 0.5 HP 3.6 lit/min Back side water cooling [17 ] 7.2 40 W Backside air cooling [18 ] 14 75 W Up to 20°C Backside water cooling [19 ] 50 W 6.2 W 2.7W to 4.2 W 2 W 5.7 Up to 22°C 225 lit/h Front and back side water cooling [20 ] 20 W Up to 7.7°C Front and backside water cooling [22 ] 22.9 Wh 9.38 Wh 12 Wh 22.5 lit Water and refrigerant cooling Proposed system 15.278 150 W 18.48 W 15.337 2.6 W 15.88 W 13.180 Up to 28.7°C (average 24.29°C) 0.9 lit/min Front side overflowing water 16.895 150 W 20.564 W 16.909 Up to 34.7°C (average 28.52°C) 6 lit/min Simultaneous cooling of front and rear sides
