Designing and Manufacturing a Robot for Dry-Cleaning PV Solar Panels
Table 3
Shows the differences in power produced and color coefficients and cleaning efficiency.
PV panel samples
output power (W)/day
CV
SE
Output power (W)
Number cleaning rounds
Time (s)
Efficiency (%)
Efficiency (%)
Standard
Clean PV panels
0.18
1.65
0
0
0
0
100
0
Before cleaning
Simple dust PV panels
0.19
1.64
60.67
43.69
0
0
88.03
11.97
Moderate dust PV panels
0.20
1.73
148.34
61.19
0
0
70.72
29.28
Intense dust PV panels
0.22
1.53
308.84
75.23
0
0
39.05
60.95
After cleaning
Simple dust PV panels
0.19
1.86
5.5
1.75
1
10
98.91
1.09
Moderate dust PV panels
0.21
1.28
35.67
7.10
2
20
92.96
7.31
Intense dust PV panels
0.29
2.13
192
38.45
2
20
62.11
37.89
:; CV: coefficient of variation; SE: standard error; Output power (W): differences in output power between standard PV panels and other different dust PV panels; : total color difference; Efficiency (%): differences in efficiency between standard PV panels and other different dust and clean PV panels.
