As I was expecting, it´s not working. This idea behind it is just wrong. <div><br></div><div>Any suggestions in more than welcomed. </div><div><br></div><div>Thanks in advance,<br><br><div class="gmail_quote">On 6 June 2012 19:20, Damien Casetta <span dir="ltr"><<a href="mailto:damien.casetta@gmail.com" target="_blank">damien.casetta@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi, <div><br></div><div>I am trying to handle this problem by controlling the temperature. Let me remind you that I want to control the heat load of an heat pump in heating mode. </div>
<div><br></div><div>Here is how I am trying to proceed : </div>
<div><br></div><div>- I control the temperature exiting the heat pump</div><div>- I fix a temperature set point (with an aquastat - heating mode) at 50 C. </div><div>- I vary the supply temperature (entering the heat pump) according to the heating demand. </div>
<div><br></div><div>The heating demand is based on hourly loads. </div><div><br></div><div>What do you think about it? </div><div><br></div><div>I am not very satisfied but I will give it a try. I am sure there is a much simpler way to do it. </div>
<div><br></div><div><br></div><div>Thanks in advance for your help. </div><div><br></div><div>Best regards,<div><div class="h5"><br><br><div class="gmail_quote">On 1 June 2012 18:10, Damien Casetta <span dir="ltr"><<a href="mailto:damien.casetta@gmail.com" target="_blank">damien.casetta@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi, <div><br></div><div>I am modelling a ground-source heat pump system including a water-to-water heat pump (type 927), a borehole heat exchanger (type 557b) and a building demand profile. </div>
<div><br></div><div>I have read a couple of messages in the archives about this topic but I haven´t understood correctly the few addressing my specific issue. </div>
<div><br></div><div>Here is my point. I assume the heat pump to meet the building demand. The aim is then to force the heat pump load and observe how the system behaves (COP, ground loop fluid temperatures). </div><div><br>
</div><div>I would be able to do this with an external MATLAB code (with COP values interpolated from catalog data) but it would be a shame not to harness TRNSYS potential (there is no need to re-invent the wheel as I read in a previous message). </div>
<div><br></div><div>Let me put in other words: how to control a heat pump load? </div><div><br></div><div>I have read about a trick to handle this, with a "lump" temperature but I don't get the idea behind it. Any other explanations is welcomed. </div>
<div><br></div><div><br></div><div><br></div><div>Thanks in advance,</div><div><br></div><div>Best regards,<span><font color="#888888"><br clear="all"><div><br></div><div><br></div>-- <br><div><font color="#999999"><b>Damien Casetta</b></font></div>
<div><br></div><div><font color="#009900"><span style="line-height:19px;font-size:13px;font-family:sans-serif"><b>Chalmers University of Technology </b></span>| Energy and Environment</font><span style="color:rgb(153,153,153)"> </span><font color="#999999">| Exchange student</font></div>
<div><font color="#3366FF"><b>INSA Lyon</b> Génie Energétique et Environnement</font> <span style="color:rgb(153,153,153)">| Elève ingénieur</span> </div><div><font color="#999999"><b></b></font> <span style="color:rgb(153,153,153)"> <br>
<a href="tel:%2B46.7.60.66.31.45" value="+46760663145" target="_blank">+46.7.60.66.31.45</a><br></span></div>
<div><font color="#999999"><a href="tel:%2B33.6.71.78.03.75" value="+33671780375" target="_blank">+33.6.71.78.03.75</a></font></div><br>
</font></span></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div><font color="#999999"><b>Damien Casetta</b></font></div>
<div><br></div><div><font color="#009900"><span style="line-height:19px;font-size:13px;font-family:sans-serif"><b>Chalmers University of Technology </b></span>| Energy and Environment</font><span style="color:rgb(153,153,153)"> </span><font color="#999999">| Exchange student</font></div>
<div><font color="#3366FF"><b>INSA Lyon</b> Génie Energétique et Environnement</font> <span style="color:rgb(153,153,153)">| Elève ingénieur</span> </div><div><font color="#999999"><b></b></font> <span style="color:rgb(153,153,153)"> <br>
<a href="tel:%2B46.7.60.66.31.45" value="+46760663145" target="_blank">+46.7.60.66.31.45</a><br></span></div>
<div><font color="#999999"><a href="tel:%2B33.6.71.78.03.75" value="+33671780375" target="_blank">+33.6.71.78.03.75</a></font></div><br>
</div></div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div><font color="#999999"><b>Damien Casetta</b></font></div>
<div><br></div><div><font color="#009900"><span style="font-family:sans-serif;font-size:13px;line-height:19px;background-color:rgb(255,255,255)"><b>Chalmers University of Technology </b></span>| Energy and Environment</font><span style="color:rgb(153,153,153)"> </span><font color="#999999">| Exchange student</font></div>
<div><font color="#3366FF"><b>INSA Lyon</b> Génie Energétique et Environnement</font> <span style="color:rgb(153,153,153)">| Elève ingénieur</span> </div><div><font color="#999999"><b></b></font> <span style="color:rgb(153,153,153)"> <br>
+46.7.60.66.31.45<br></span></div>
<div><font color="#999999">+33.6.71.78.03.75</font></div><br>
</div>