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HOW TO CHOOS SOLAR PANEL FOR PCU

The most important specifications when selecting solar panels are Pmax, Voc, Vmp, andIsc.

1, The total Pmax of solar panels should be equal to or less than the Rated Power(Peak)of
the inverter that you will connect.

2, The total Voc of solar panels should be less than the maximum point of the DC input
range of the inverter. It is according to the connecting method if you connect solar panels in parallel, all panels must have the same Voc, the Pmax of each panel can be different or
same, so the total Voc is as same as one Voc, but if you connect solar panels in serial, theIsc of each solar panel must be same, the Pmax of each panel can be different or same, sothe total Voc is the summation of all solar panels connected in serial. Connectingsolar
panels with the same specifications in a single system is the best choice.

3, The total Vmp of solar panels should above the minimum point of the DC input range of the inverter. The connecting method principle is as same as item 2 above.

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