[TRNSYS-users] Type 94a- Module Area

[Amir Hossein Rahmanzadeh]

Thanks.
That explains a lot, but from which parameter does it gain the number of cells?
I've downloaded couple of Photovoltaic panels catalogues, how can I extract the number of cells from them and where should I write them in trnsys?
Thank you very much for your time.

Mechanical engineering at Iran university of science and technology
Interested in fields of energy consumption, renewable energies , IT & programming.

________________________________
From: Domenico Mazzeo <domenico.mazzeo at unical.it>
Sent: Friday, February 14, 2020 10:29:56 PM
To: TRNSYS users mailing list at OneBuilding.org <trnsys-users at lists.onebuilding.org>
Cc: Amir Hossein Rahmanzadeh <amir_rahmanzadeh at mecheng.iust.ac.ir>
Subject: Re: [TRNSYS-users] Type 94a- Module Area

Dear Amir,
actually Trnsys does not use the module area to evaluate the electrical and thermal performance of a PV module.
It solves the electrical I-V characteristic cueve step by step for a module consisting of n cells known the electrical data of a PV cell (short circuit, open circuit and so on).
This because if it knows the electrical performance of a cell (Vmp and Imp) in reference conditions, the number of cells define the performance of the entire module.
Regards

Il Ven 14 Feb 2020, 19:48 Amir Hossein Rahmanzadeh via TRNSYS-users <trnsys-users at lists.onebuilding.org<mailto:trnsys-users at lists.onebuilding.org>> ha scritto:

Hi

I'm relatively new to trnsys and I'm trying to run a simulation with Type 94a but while doing that i faced something strange.

Its odd that if I change the "Module Area" nothing changes in final graph! even if I set it to zero.

Why is so? Whats the role and meaning of Module Area then?


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