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Photo voltaic panels string of 3 kW setup
Am considering installing 3 kVA pv system on my roof top. I am to use a string system on a single inverter.
My choice is :
12 by 250 W =3000 W or
10 by 300 W =3000 W
Space is not an issue.
installer told me 12 are better as overall efficiency would…
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