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<p>Michael,</p>
<p> Type15 assumes that the data being read is in 1hour increments.
If you are using data that has a smaller step then you'd need to
read it using Type9, even if it is in one of the data formats that
can be read by Type15. Once read by Type9 the radiation data is
then processed by Type16.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 11/22/2016 08:47, Michael Brown via
TRNSYS-users wrote:<br>
</div>
<blockquote
cite="mid:CAMVt6Bm9OFvohx_L389q=b37votrichHOnrHfxrEcajKcA7ekA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>
<div>
<div>
<div>Hello TRNSYS users,<br>
<br>
</div>
I am testing a sub-hourly (10-min data) .epw weather file
created with the EnergyPlus weather converter utility
using measured data, read into a simple PV model in TRNSYS
by Type 15. It seems to work fine until about halfway
through the simulation when it crashes with a fatal error:<br>
<br>
"The simulation timestep is greater than the data timestep
for the radiation calculation. The simulation timestep
needs to be reduced."<br>
<br>
</div>
Reviewing the .epw file there is nothing unusual at this or
nearby timesteps, except that it is a period of 24-hour
sunlight. But, the simulation does not fail when this
phenomena is first encountered. <br>
<br>
</div>
I note a similar problem on the message board:<br>
<br>
<a moz-do-not-send="true"
href="http://onebuilding.org/archive/trnsys-users-onebuilding.org/2012-November/024289.html"
target="_blank">http://onebuilding.org/<wbr>archive/trnsys-users-<wbr>onebuilding.org/2012-November/<wbr>024289.html</a><br>
<br>
</div>
<div>Any guidance would be greatly appreciated.<br>
</div>
<div><br>
</div>
<div>Regards,<br>
</div>
<div>Michael Brown<br>
</div>
<div>Carleton University, Ottawa, Canada<br>
</div>
<div><br>
</div>
<br>
</div>
<br>
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<br>
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</blockquote>
<br>
<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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