[TRNSYS-users] open circuit voltage photovoltaitic panel

[Diego A. Arias]

Dear Javier,

I would recommend looking at the references cited in the mathematical 
description of Type 180 (Volume 5, section 5.2.9).  This component 
started as a model for a PhD thesis in the Norwegian University of 
Science and Technology. 
Best regards,

Diego

javier mota wrote:

> halo, I am javier mota from 3i-ingenieria, madrid
> I am working with pv model 180 e
> I have a book wich calculate Vocc(voltage open  circuit ) as
> Vocc=vocc, nominal+MUVOC*(Tcell-25)
> Tcell=tambient+0.3*G, where G=radiation
> I supose trnsys model is more accurate.
> The problem is that Vocc with my book formule predict that for our 
> arrangement, series 25 panels,
> woluld be on the limit of what may be admisible by the panles and 
> inverter.
> But TRNSYS predict Vocc values no so critical, values are lower.
> Must I think that the formule of my book is rude and so i mus be quiet 
> with tRNSYS prediction of Vocc
> Can I found some internet direction with information about TRNSYS 
> model for PV.
> Thanks in advance
>
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-- 

Diego A. Arias
TRNSYS Coordinator
Solar Energy Laboratory
University of Wisconsin - Madison
1500 Engineering Drive
Madison, WI 53706