[TRNSYS-users] TRNSYS-users Digest, Vol 182, Issue 36

[Amit Verma]

Hi..Everyone.

I want to use my location data but there is no data available in TRNSYS
weather file. I have my data in excel form but when i convert it into
weather file by macro it shows error . There is any other method to convert
excel weather data into weather file.

Thanks for your kind support and time

regards
Amit Verma
SMVDU

On Thu, Feb 20, 2020 at 6:11 AM <trnsys-users-request at lists.onebuilding.org>
wrote:

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>    1. Re: Weather data processor (Type 99) (H?seyin G?nhan ?zcan)
>
>
>
> ---------- Forwarded message ----------
> From: "Hüseyin Günhan Özcan" <huseyin.ozcan at yasar.edu.tr>
> To: "TRNSYS users mailing list at OneBuilding.org" <
> trnsys-users at lists.onebuilding.org>
> Cc: David BRADLEY <d.bradley at tess-inc.com>, Huseyin Gunhan Ozcan <
> huseyin at fe.up.pt>
> Bcc:
> Date: Wed, 19 Feb 2020 23:22:37 +0000
> Subject: Re: [TRNSYS-users] Weather data processor (Type 99)
>
> Dear David,
>
>
>
> I supposed that you did not understand my question. My problem is I am
> only measuring POA (not GHI).
>
> That is why I do not know how to use POA in Type 99. Is it possible to
> substitude in external file as given below ?
>
>
>
> The other thing, if it is not possible, how can I calculate GHI  from POA ?
>
>
>
> Thanks in advance. I hope it is clear now.
>
>
>
>
>
> *From:* TRNSYS-users <trnsys-users-bounces at lists.onebuilding.org> *On
> Behalf Of *David BRADLEY via TRNSYS-users
> *Sent:* Wednesday, February 19, 2020 6:33 PM
> *To:* TRNSYS users mailing list at OneBuilding.org <
> trnsys-users at lists.onebuilding.org>
> *Cc:* David BRADLEY <d.bradley at tess-inc.com>; Huseyin Gunhan Ozcan <
> huseyin at fe.up.pt>
> *Subject:* Re: [TRNSYS-users] Weather data processor (Type 99)
>
>
>
> Huseyin,
>
>   I think that your point 2 is the right direction. You can read your data
> (including GHI) using Type9 and then feed GHI, T, and RH to a Type16
> radiation processor. Type16 has a number of algorithms for estimating solar
> on tilted surfaces. The most basic of these requires only GHI but there is
> an improved algorithm that takes GHI, T, and RH.
>
> kind regards,
>
>  David
>
>
>
> On 02/16/2020 07:48, Huseyin Gunhan Ozcan via TRNSYS-users wrote:
>
> Hi everyone,
>
>
>
> I am currently working on a modeling of solar PV aided AC with backup
> system. In this regard, we experimentally measured the weather data, namely
> temperature (T), relative humidity (RH), wind velocity (WV), wind direction
> (WD) and tilted irradiance (POA). However, when I used the model Type 99 I
> realized that the external file of it covers only global horizontal
> irradiance (GHI). As I said, we only measured the POA.
>
>
>
> My questions are ;
>
>    1. Is it possible to define POA instead of GHI in external file.
>    Because, I saw that there is an opportunity for users to define four
>    different variables. But I do not know how to entitled POA in here.
>    2. Is it possible to calculate GHI from POA by using radiation
>    processors ? They are all created in case of GHI or other horizontal
>    irradiances known?
>    3. IF you know something else pls. let me know?
>
>
>
> Thanks in advance.
>
>
>
> *Huseyin Gunhan Ozcan*
>
> *Visiting Researcher*
>
> *Porto Uni., Dept. of Mech. Eng.*
>
>
>
> *[image: Adsız]*
>
>
>
>
>
>
>
>
>
>
>
>
>
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> --
>
> ***************************
>
> David BRADLEY
>
> Principal
>
> Thermal Energy Systems Specialists, LLC
>
> 3 North Pinckney Street - suite 202
>
> Madison, WI  53703 USA
>
>
>
> P:+1.608.274.2577
>
> F:+1.608.278.1475
>
> d.bradley at tess-inc.com
>
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