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Dr Abdunnabi,<br>
As Matt mentioned, if all of your collectors are plumbed in a
pattern (say 30 in parallel or 15 in parallel and 2 sets in series)
then you can use the "number in series" and "number in parallel"
parameters to simulate the whole collector array with a single
instance of the collector component. This method neglects the
thermal losses from the piping between collectors and can't be used
if you have a complicated flow pattern. The fewer components in your
system, the faster TRNSYS will be able to solve them so if you can
reduce the number of components, you will get some benefits from
that.<br>
<br>
My guess is that when you run the smaller parts of your system
(the micros) individually, the simulation converges well but that
when you add the others, some output is not converging. If turning
on the "debug" switch in the simulation control cards does not help
then please send your input file to your distributor and they should
be able to help further.<br>
Kind regards,<br>
David<br>
<br>
<br>
On 10/30/2011 04:30, mohammad abdunnabi wrote:
<blockquote
cite="mid:1319967042.4996.YahooMailNeo@web114606.mail.gq1.yahoo.com"
type="cite">
<div style="color:#000; background-color:#fff; font-family:times
new roman, new york, times, serif;font-size:12pt">
<div style="RIGHT: auto"><span style="RIGHT: auto">Dear Trnsys
Users</span></div>
<div style="RIGHT: auto"><span style="RIGHT: auto"></span> </div>
<div style="RIGHT: auto"><span style="RIGHT: auto">I've faced
problem when I used macro. The macro is consists of 30
evacuated tube collector with flow diverters and mixers.
I've used three maco in my system to be simulated with the
other components such as sotrage tanks auxilary heaters etc.
When I run the program the following error appears:</span></div>
<div style="RIGHT: auto"><span style="RIGHT: auto">Range check
error</span></div>
<div style="RIGHT: auto"><span style="RIGHT: auto"></span> </div>
<div style="RIGHT: auto"><span style="RIGHT: auto">Bear in mind
that each micro works fine (when I delete the other macros).
Can any body help</span></div>
<div style="RIGHT: auto"><span style="RIGHT: auto"></span> </div>
<div style="RIGHT: auto"><span style="RIGHT: auto">Many thanks
in advace</span></div>
<div style="RIGHT: auto"> </div>
<div style="RIGHT: auto">Dr. Mohammad Abdunnabi<br>
Head of Thermal Energy conversion Department<br>
Center for Solar Energy Research and Studies (CSERS)</div>
<div><var id="yui-ie-cursor"></var>Tripoli-Libya<br>
P.O.Box: 12932<br>
Tel.: +218 21 3699323<br>
Fax.: +218 21 3699322<br>
Office Phone: +218 21 7201993<br>
Mobile Phone: +218 92 2256067</div>
</div>
<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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