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Posted

Hi,

While working with Bifacial module ,the system sizing in PVsyst is considering only the front side side parameter ( Neglecting Imp due to rear side) to calculate the string sizing, Inverter overload losses and Pnom ratio.I understand that bifacial gain highly variable outcome but under certain conditions rear side contribution would lead to higher overload loss and Pnom values.I want to understand how PVsyst is considering the bifacial outcome in system sizing.

Posted

Hello,

The values used in the system sizing serve only as a guideline and provide an order-of-magnitude estimate, considering only the initial front-side production (excluding for instance losses and rear-side generation). For an accurate assessment of overload losses, you should run a simulation. 

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