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Table 4 Effect of different types of dusts (1) chalk powder, (2) brick powder, (3) sand on power loss of solar PV module

From: An experimental study on effect of dust on power loss in solar photovoltaic module

Chalk powder Brick powder Sand
Weight (gm.) Voltage (V) Current (A) Power (W) Power loss (%) Power transferred (%) Weight (gm.) Voltage (V) Current (A) Power (W) Power loss (%) Power transferred (%) Weight (gm.) Voltage (V) Current (A) Power (W) Power loss (%) Power transferred (%)
650 W/m2
 5 19.50 0.80 15.60 2.50 74 5 19.53 0.69 13.47 15.81 78 5 19.40 0.64 12.41 22.40 79
 10 19.38 0.77 14.92 6.75 75 10 18.91 0.57 10.77 32.68 82 10 19.00 0.62 11.78 26.37 80
 15 19.23 0.72 13.84 13.50 77 15 18.83 0.49 9.22 42.37 85 15 18.70 0.53 9.91 38.06 83
 20 19.02 0.63 11.98 25.12 80 20 18.40 0.44 8.09 49.43 87 20 18.53 0.42 7.78 51.37 87
 25 18.99 0.45 8.54 46.62 86 25 18.00 0.37 6.66 58.37 89 25 18.00 0.40 7.20 55.00 88
750 W/m2
 5 19.66 0.87 17.10 5.00 72 5 19.2 0.74 14.20 21.11 76 5 19.30 0.72 13.89 22.83 77
 10 19.30 0.82 15.82 12.07 74 10 18.82 0.67 12.60 30.00 79 10 18.70 0.7 13.09 27.27 78
 15 19.08 0.78 14.88 17.33 75 15 18.25 0.56 10.22 43.22 83 15 18.40 0.6 11.04 38.66 82
 20 19.00 0.72 13.68 24.00 77 20 18.08 0.54 9.76 45.77 84 20 18.38 0.5 9.19 48.94 85
 25 18.88 0.54 10.19 36.31 83 25 17.80 0.46 8.18 54.55 86 25 17.75 0.45 7.98 55.66 87
850 W/m2
 5 19.56 0.89 17.40 13.00 71 5 19.05 0.79 15.04 24.80 75 5 19.1 0.78 14.89 25.55 75
 10 19.11 0.83 15.86 20.70 74 10 18.70 0.72 13.46 32.70 78 10 18.3 0.74 13.54 32.29 77
 15 18.92 0.79 14.94 25.26 75 15 18.50 0.63 11.65 41.75 81 15 18.32 0.69 12.64 36.80 79
 20 18.80 0.74 13.91 30.44 77 20 18.15 0.60 10.89 45.55 82 20 18.1 0.58 10.49 47.51 83
 25 18.65 0.58 10.81 45.91 82 25 17.69 0.54 8.49 57.55 86 25 17.5 0.52 9.10 54.50 85