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Riccardo,<br>
It is not usual to get this warning a few times during a
simulation, particularly at sunup or sundown times and particularly
if you are using the simplified algorithms that are needed when only
the total horizontal radiation is known. If you are getting the
warning a lot then it is worth looking into. One thing to make sure
is that you have specified the Type16 simulation start day parameter
correctly. If your simulation starts at hour 7393, the value of that
parameter should be 308. Also make sure that your "shift" parameter
is et correctly. This value is the difference in longitude between
the longitude of the location where your weather data comes from and
the standard longitude for that time zone. The third thing to check
is the output of Type9. Send the outputs of Type9 to a Type65 online
plotter and make sure that it is giving you the data you think it
should. There are a lot of type9 parameters that allow you to set
how the data is stored, whether it is average or instantaneous, etc.
Make sure that you are <i>not </i>interpolating the radiation data
that you are reading. If none of these checks help then please feel
free to send the input file and weather file.<br>
Best,<br>
David<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 3/6/2013 03:58, Riccardo wrote:<br>
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<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US">I have a problem with Type 16a: </span><span
style="font-family:"Tahoma","sans-serif""
lang="EN-US">the total radiation on a vertical slope facing
south (45°) is very high, over the solar constant altought
the total radiation on horizontal is not so high.</span><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US">I only have total horizontal radiation and I’m
using Type 9e for the input from wheater data file.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US">My simulation time is 7393-7561 (week 5-11
november 2012)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US">The error in the .log file is:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US">*** Warning at time : 7406.900000<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"> Generated by Unit : 2<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"> Generated by Type : 16<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"> TRNSYS Message 437 : The total
radiation calculated for one of the surfaces has exceeded
the solar constant. The component solar quantities (beam
and diffuse) have been adjusted such that the sum is equal
to the solar constant<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"> Reported information : Sloped Surface
Radiation Error<o:p></o:p></span></i></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT">Thanks
in advance,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT">
</span><span style="font-size:10.0pt;font-family:"Courier
New";mso-fareast-language:IT"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT">Riccardo
Borsatti</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT"><o:p></o:p></span></p>
<p class="MsoNormal"><b><i><span
style="font-size:7.0pt;font-family:"Tahoma","sans-serif";color:#00B050;mso-fareast-language:IT">Politecnico
di Milano</span></i></b><i><span
style="font-size:7.0pt;font-family:"Tahoma","sans-serif";color:#00B050;mso-fareast-language:IT">
– Dipartimento di Energia</span></i><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT">______________________________</span><span
style="font-family:"Tahoma","sans-serif";mso-fareast-language:IT"><br>
</span><span
style="font-size:8.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT">E-mail:
</span><span style="mso-fareast-language:IT"><a
moz-do-not-send="true"
href="mailto:riccardo.borsatti@hotmail.com"><span
style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">riccardo.borsatti@hotmail.com</span></a></span><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT">Skype:
errebi326</span><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:IT"><o:p></o:p></span></p>
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<pre wrap="">_______________________________________________
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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