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Martin,<br>
You are correct; Type107 is designed so that it takes the chilled
water set point as an input and provides the required power as an
output. If you are working on a simulation where you have a certain
amount of power available (from a PV or a wind turbine) then what
you can do is to implement two instances of Type107 in your
simulation. One of them would be running all the time (i.e. it's
control signal input is always set to 1) with its cooling water, hot
water, and chilled water inputs connected but none of its outputs
connected. The only output that you would use would be the required
power. This instance of Type107 would be in your simulation only to
determine how much power would be required in order to run an
absorption chiller under current conditions. The required power
would feed into an equation that would compare the required power to
the power that you actually have available. If you have more power
than you need then the equation's value would be 1. If you don't
have enough power to run the chiller then the equation's value would
be 0. The result of the equation would be sent as the control signal
to a second instance of Type107 that is identical to the first
except that it is not always on and its outputs (the outlet cooling
water, chilled water, and hot water outlet conditions) are
connected.<br>
In essence you are using a virtual chiller to determine a control
signal for the actual chiller. <br>
Kind regards,<br>
David<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 4/25/2014 04:17, Martin Berov wrote:<br>
</div>
<blockquote
cite="mid:CAJam3+W7BMa34B=3FYhXo6ZB01GOwcU12NZv4ncCG7vpSJSMTg@mail.gmail.com"
type="cite">
<div dir="ltr">Thank you, I found the weather block it was in the
hidden layer.
<div>I have one more issue, as I understand the absorption
chiller always modulate its power so it can reach the chilled
water set point temperature? - so does it mean that with this
type 107 it is not possible to make simulations with different
chiller powers(rated capacity) and see how they affect on the
system? </div>
<div><br>
</div>
<div>Kind regards</div>
<div>Martin</div>
<div><br>
</div>
<div><br>
</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Fri, Apr 25, 2014 at 2:48 AM, Jeremy
Osborne <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:jeremy.osborne@solem-consulting.com"
target="_blank">jeremy.osborne@solem-consulting.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="#0563C1" vlink="#954F72" lang="EN-GB">
<div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi
Martin, </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The
weather data is hidden in a layer. Go to view ->
show layers -> and enable weather - data files
and you should see TYPE15-2 appear with all the
connection. </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Layers
are used to better organise complex models, removing
certain clutter. </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Regards,<br>
Jeremy </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><b><span
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<p class="MsoNormal"><span
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lang="EN-AU">Jeremy Osborne | Project Engineer BE </span><span
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<p class="MsoNormal"><span
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<p class="MsoNormal"><span
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<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""
lang="EN-US">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""
lang="EN-US"> Martin Berov [mailto:<a
moz-do-not-send="true"
href="mailto:martber88@gmail.com" target="_blank">martber88@gmail.com</a>]
<br>
<b>Sent:</b> Thursday, 24 April 2014 8:02 PM<br>
<b>To:</b> <a moz-do-not-send="true"
href="mailto:trnsys-users@cae.wisc.edu"
target="_blank">trnsys-users@cae.wisc.edu</a><br>
<b>Subject:</b> [TRNSYS-users] Restaurant absorp.
cooling Tess example</span></p>
<div>
<div class="h5">
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">Hi,</p>
<div>
<p class="MsoNormal"> </p>
</div>
<div>
<p class="MsoNormal">I was looking at the
example provided with the Tess library about
the Restaurant absorption chilling, so the
simulation runs ok, but I can not find the
weather block i.e. the collector and building
are not connected to it -how is this possible,
how does it function, can someone give me
explanation?</p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
<div>
<p class="MsoNormal">Thank you</p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
<div>
<p class="MsoNormal">Best Regards</p>
</div>
<div>
<p class="MsoNormal">Martin</p>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
</div>
<br>
</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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