[TRNSYS-users] Question about Type 563 hybrid solar panel

Benjamin Stobbe benjamin_stobbe at hotmail.com
Thu Aug 20 05:31:16 PDT 2015

Dear people,


The last week i played around with the Type 563 hybrid solar panel, but i
was wondering in the description in the documentation they do a lot more
calculations than which are coming out of the model. For example reasons for
me to use trnsyst is to see what happens in the hybrid solar panel and I
mean the thermal side. The formulas are really clear but if I see what
output I can get out of the model I miss some. For example the temperature
of the pc cell so how warm will the pv cell becomes this is interesting to
know because in that way you can see how much you cool the panel down with
the flow of water on the backside. 


Some results which coming out of the model don't make sense for  me for
example how is it possible that the outlet temperature is lower than the
inlet temperature and also lower than the ambient temperature. Looks like
the solar panel is cooling the water down and I think this is a bit strange.


I hope to hear from you soon.


Best regards,


Benjamin Stobbe

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