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Max. Pmpp deviation


Sherifabdelrazek
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You are right. There is an ambuguïty here.

Up to version 6.38, the check of the discrepancy between the Imp*Vmp value and the Pnom(STC) was essentially done as a warning, especially for measured modules, when the Gref and Tref are not the STC values.

Since the version 6.39, PVsyst applies a "strict" check for avoiding that manufacturers use am increase of the Imp*Vmp value as a way of compensating the positive sorting.

Please see Why is the Pmpp of my module different from the specified value ?.

This limit of 0.2% is only applied to the modules specified with STC (Gref=1000 W/m2 and Tref = 25°C).

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