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PostPosted: Wed Jul 03, 2019 3:28 am 

Joined: Tue Jul 02, 2019 10:41 am
Posts: 2
Hello, I am a user who study bifacial PV system.
I am really interested in rear side irradiation. So I want to check rear irradiation at bifacial PV system.

To check the data. I click the detail result and then hourly graph.
Then I check the Global incident on ground. but theses result are bigger than measured data.

So I want to know. What kind of index will check for rear irradiance.
If there have not any list for rear irradiance. Please check that this formula is right.

Rear irradiance = Global incident on ground * albedo <Formula 1>

Thank you


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PostPosted: Fri Aug 02, 2019 11:04 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1601
This is not so simple.

The irradiance on the back side is the result of a complex model, which is fully explained in the Help "Project design > Bifacial Systems".
Please carefully read it.

In the results the irradiance on the back side is named "GlobBak".


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