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 Post subject: Clear Sky Model
PostPosted: Tue Jan 16, 2018 11:22 pm 

Joined: Tue Jan 16, 2018 10:55 pm
Posts: 1
Hello,

I would like to know which is the clear sky model used by PVsyst and how to export or create one year with hourly data of the clear sky model from Pvsyst. I found a similar question in the link below but the answer is not detailed and I did not achieve my goal. I would really appreciate your help.


viewtopic.php?f=25&t=2218&p=5967&hilit=clear+sky#p5967

Best Regards

Pedro


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 Post subject: Re: Clear Sky Model
PostPosted: Fri Jan 26, 2018 10:31 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1463
The clear day model in PVsyst is based on the air mass, and implies the the Linke coefficient, which is set by default to 3.5.
It uses the model of Kastens.
You can create a Meteo file (*.MET) of clear days for any location in "Databases > Import meteo Files", last choice in the meteo sources.


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