Step 6: PV Array Sizing
Critical Design Parameters (December)
Select PV Panel
Details: Req Current 88.97A → Derated 95.67A
1. Low Temp Voltage Check (Safety):
Temp Diff (∆T): -55.0°C (-30.0 - 25)
Max Voc (Cold): 57.4 V
Calc: 150V / 57.4V = 2.61
→ Conclusion: Max Series 2 units
Max Voc (Cold): 57.4 V
Calc: 150V / 57.4V = 2.61
→ Conclusion: Max Series 2 units
2. Array Current Calculation:
Required Ah = 6601.0Wh / 48.0V / 0.92 = 149.5 Ah
Required Current = Required Ah / 1.68h = 88.97 A
→ With Soiling (÷0.93): 95.67 A
Required Current = Required Ah / 1.68h = 88.97 A
→ With Soiling (÷0.93): 95.67 A
Final Configuration
Series Count
2units/string
Parallel Strings
8strings
Total Panels
16units
Total Array Power
6.56 kW