Research on Parameter Distribution Features of Photovoltaic Array under the Cover and Shadow Shading Conditions
Table 5
Error analysis for computation result.
Shading type
(V)
(V)
(V)
(V)
(%)
(%)
(W/m2)
(°C)
Normal
87.0
108.4
88.2
109.8
1.3%
1.3%
982
36
Shadow 1
77.4
108.6
78.1
109.0
0.8%
1.0%
932
35
Shadow 2
77.2
108.5
78.1
109.3
1.1%
1.1%
936
35
Shadow 3
69.1
108.8
68.3
110.3
1.1%
1.1%
945
34
Shadow 4
76.5
108.4
77.9
109.6
1.7%
1.0%
931
36
Shadow 5
66.7
108.3
67.9
109.3
1.8%
1.0%
939
36
Shadow 6
57.4
108.3
57.9
109.1
0.8%
1.1%
936
36
Cover 1
77.1
97.4
78.1
97.81
1.3%
0.4%
973
36
Cover 2
77.6
96.1
78.3
98.03
0.9%
1.9%
973
35
Cover 3
68.1
87.1
68.4
86.08
0.3%
1.1%
952
34
Cover 4
77.8
98.3
78.5
98.23
0.8%
0.1%
942
33
Cover 5
67.9
83.8
68.3
85.25
0.5%
1.7%
963
35
Cover 6
58.6
74.2
58.1
73.69
0.9%
0.6%
959
36
The data of shading voltage under different conditions and the relative error between the measured occlusion voltage and the theoretical occlusion voltage.
