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<p class="MsoNormal">Dear David,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I supposed that you did not understand my question. My problem is I am only measuring POA (not GHI).
<o:p></o:p></p>
<p class="MsoNormal">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 ?
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The other thing, if it is not possible, how can I calculate GHI from POA ?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance. I hope it is clear now.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img width="796" height="286" style="width:8.2916in;height:2.9791in" id="Resim_x0020_1" src="cid:image002.jpg@01D5E77B.7770EA20"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="mso-fareast-language:TR">From:</span></b><span style="mso-fareast-language:TR"> TRNSYS-users <trnsys-users-bounces@lists.onebuilding.org>
<b>On Behalf Of </b>David BRADLEY via TRNSYS-users<br>
<b>Sent:</b> Wednesday, February 19, 2020 6:33 PM<br>
<b>To:</b> TRNSYS users mailing list at OneBuilding.org <trnsys-users@lists.onebuilding.org><br>
<b>Cc:</b> David BRADLEY <d.bradley@tess-inc.com>; Huseyin Gunhan Ozcan <huseyin@fe.up.pt><br>
<b>Subject:</b> Re: [TRNSYS-users] Weather data processor (Type 99)<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p>Huseyin,<span style="mso-fareast-language:TR"><o:p></o:p></span></p>
<p> 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.<o:p></o:p></p>
<p>kind regards,<o:p></o:p></p>
<p> David<o:p></o:p></p>
<p><o:p> </o:p></p>
<div>
<p class="MsoNormal">On 02/16/2020 07:48, Huseyin Gunhan Ozcan via TRNSYS-users wrote:<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi <span lang="EN-US">everyone,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">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.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">My questions are ;</span><o:p></o:p></p>
<ol style="margin-top:0cm" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">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.</span><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">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?</span><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">IF you know something else pls. let me know?</span><o:p></o:p></li></ol>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">Thanks in advance.</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><b>Huseyin Gunhan Ozcan</b><o:p></o:p></p>
<p class="MsoNormal"><b>Visiting Researcher</b><o:p></o:p></p>
<p class="MsoNormal"><b>Porto Uni., Dept. of Mech. Eng.</b><o:p></o:p></p>
<p class="MsoNormal"><b> </b><o:p></o:p></p>
<p class="MsoNormal"><b><img width="163" height="65" style="width:1.6979in;height:.677in" id="Picture_x0020_1" src="cid:image001.png@01D5E77B.1DCAC7C0" alt="Adsız"></b><o:p></o:p></p>
<p class="MsoNormal"><b> </b><o:p></o:p></p>
<p class="MsoNormal"><b> </b><o:p></o:p></p>
<p class="MsoNormal"><b> </b><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:TR"><br>
<br>
<o:p></o:p></span></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>TRNSYS-users mailing list<o:p></o:p></pre>
<pre><a href="mailto:TRNSYS-users@lists.onebuilding.org">TRNSYS-users@lists.onebuilding.org</a><o:p></o:p></pre>
<pre><a href="http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</a><o:p></o:p></pre>
</blockquote>
<pre>-- <o:p></o:p></pre>
<pre>***************************<o:p></o:p></pre>
<pre>David BRADLEY<o:p></o:p></pre>
<pre>Principal<o:p></o:p></pre>
<pre>Thermal Energy Systems Specialists, LLC<o:p></o:p></pre>
<pre>3 North Pinckney Street - suite 202<o:p></o:p></pre>
<pre>Madison, WI 53703 USA<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>P:+1.608.274.2577<o:p></o:p></pre>
<pre>F:+1.608.278.1475<o:p></o:p></pre>
<pre><a href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a><o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre><a href="http://www.tess-inc.com">http://www.tess-inc.com</a><o:p></o:p></pre>
<pre><a href="http://www.trnsys.com">http://www.trnsys.com</a><o:p></o:p></pre>
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