PV String Designer
⚠️
Design guide per IEC 62548 — verify with a qualified engineer before installation.
🔌 Module & Inverter
PV module power
400 Wp
450 Wp
500 Wp
550 Wp
580 Wp
600 Wp
650 Wp
700 Wp
Inverter rating (kW)
3 kW
5 kW
8 kW
10 kW
15 kW
20 kW
25 kW
30 kW
50 kW
100 kW
110 kW
125 kW
150 kW
250 kW
Min ambient temp (°C)
Max ambient temp (°C)
Target DC capacity (kWp)
— optional
📊 String Design
Pick a module and inverter — the recommended string size appears here instantly.
🧮 How it was calculated
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PV String Designer
from QDTB.