Franklin Electric SubDrive Solar Manuel D'installation page 27

Example Solar PV Array Curves
Displaying Diminishing Solar Light Intensity
Current-Voltage and Power-Voltage curves for a PV array containing six generic 180 Watt
PV panels in series.
Each panel having the following values at standard test conditions (STC of 1000 W/m
25 °C panel temp): Isc = 5.0 A, Voc = 50 Vdc, Imp = 4.6 A, Vmp = 40 Vdc
Curves calculated for five different light levels: 200 to 1000 W/m
constant 25 oC panel temperature
6
5
4
3
2
1
0
0
1200
1050
900
750
600
450
300
150
0 0
Current - Voltage curves for PV array
100
Output voltage (Volts)
Power - Voltage curves for PV array
100
Output voltage (Volts)
in 200 W/m
2
200 300
200 300
,
2
steps, at
2
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