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Sergio,<br>
The first line of the data file contains values of normalized pump
speed (rotational speed over rotational speed at full-speed
operation). The second line contains values of pump flow rate (in
L/s). The rest of the lines contain two values each. The first is
the pump head [m] and the second is the pump efficiency [0..1] for
each combination of normalized pump speed and pump flowrate listed
in the first two lines. The data file should be constructed from
manufacturer's data on the pump that you are planning to use in your
simulation.<br>
Kind regards,<br>
David<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/17/2014 14:31, sergio morales
wrote:<br>
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<div>Hi TRNSYS users<br>
<br>
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I want simulate Photovoltaic pumping system. For
this, i'm using a pump of variable speed Type 749.
is necessary attach a external file ".dat" with the
pump curve and system curve to this component (Type
749)? How do i creat this file ".dat"?<br>
<br>
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For other hand, with this pump Type 749 i have the
following problem<br>
<br>
"TRNSYS Message 199 : TRNSYS found at least one
user DLL in the UserLib directory. (Note: Only DLL's
including Types that are used in the simulation are
loaded) <br>
Reported information : 1 user DLL was loaded after
searching in
"C:\Users\Checho\Desktop\Trnsys16_1\UserLib\ReleaseDLLs"
"<br>
<br>
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I don´t have idea how i solve it and what is its source.<br>
<br>
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I have this two problems in my simulation, please helpe
me.<br>
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I stay attention to your answers<br>
<br>
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Tank you<br>
</div>
Sergio.<br clear="all">
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-- <br>
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<div dir="ltr">Sergio Ignacio Morales
Hernández<br>
Estudiante Ingeniería Civil Mecánica,
Mención Energía<br>
Universidad Técnica Federico Santa María</div>
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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>
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