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The DC Power Max or Rated?

Given the confusion on this type of coupling modules and PV panels are trying to understand together.

I got to see several tools for coupling Inverter and sometimes with different results and / or conflicting.

Normally producers Inverter DC supply side, two powers:

1. DC Power DC Power Max Nom

The first course is less than or equal to the second.

Given that the total number of strings connected in parallel to the inverter must meet the following limits: The Voc

Modules -10 ° C lower than the Vmax Inverter
at OLV-70 ° C greater than the inverter VmpptMin
OLV -10 ° C less than the Inverter VmpptMax
Isc (total strings) less than the IDC Max Max Power Inverter

The strings = (pmode * * nMode nSTRING at -10 ° C) must be less than the Max DC Power Inverter ! Translated

would want to say find the coefficient. of Power / temperature module or at least the second coefficient. voltage and current, then calculate everything to the limit temperature (-10 ° C).

you might find in the special case where, after checking the voltages and currents, the power of these forms in terms of temperature limit far exceeds the maximum power inverter, resulting in the reality of the block because stesso.Ecco producers sometimes have a lot of difference between the nominal and maximum DC Pot.