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Internal Model results tool


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today I was trying to rebuild the PR calculation and found this.

PR = E_Grid / (GlobInc * Pnom)

When I open our .PAN file the "Internal Model results tool" displays an Pmpp of 262.1 W for a 260 W Pnom module.

Does this mean, that if we have STC during simulation PVsyst calculates a power of 262.1 W for this module?

If that's the case wouldn't we calculate an overestimated PR if we use 260 W as Pnom instead of 262.1 W

Thanks for help.

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