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SOLAR STRING SIZING
Temperature-Compensated PV Array Design
Panel & Inverter Data
Panel Voc (Open Circuit Voltage)
V
Panel Vmp (Max Power Voltage)
V
Temp Coeff Voc
%/°C
Temp Coeff Vmp
%/°C
❄️
Cold Temp
°C
☀️
Hot Temp
°C
Inverter Max Voltage
V
Inverter MPPT Min Voltage
V
Calculate String Size
Solar Array Visualization
String Sizing Results
Voc at Cold (-5°C)
0
V
High voltage condition
Max Panels (Cold)
0
panels
Limited by max voltage
Vmp at Hot (45°C)
0
V
Low voltage condition
Min Panels (Hot)
0
panels
Limited by MPPT range
String Size Range
8 to 18 Panels
Safe Range:
14-16 Panels
Design Steps:
✓ Check Cold Temp → Max Voltage (Voc increases)
✓ Check Hot Temp → Min Voltage (Vmp decreases)
✓ Stay in Inverter MPPT Range
✓ Keep Safety Margin (use middle of range)