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 Post subject: Bifacial mismatch
PostPosted: Mon Nov 02, 2020 4:08 am 

Joined: Wed Aug 12, 2015 2:47 pm
Posts: 12
It appears that PVsyst calculates the effective rear mismatch loss by applying the loss (eg 10%) to the rear irradiance BEFORE the bifacial factor is applied, whereas Help says that it is applied after the bifacial factor, ie 10% x GlobBakEn / (GlobBakEn + GlobEff). Actually, from reverse-calculation it looks like it is applied to GlobBak / (GlobBakEn + GlobEff)?
I have only checked this with V6.88, not V7.
See viewtopic.php?f=25&t=4992#p11241


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