Dear all,<br><br> There is a Error Message: <br><br>Error in automatic heat transfer calculation for surface 1 or its adjacent surface!: Automatic heat transfer calculation is only allowed on surfaces within a zone. Please check building input file (.bui)!<br>
<br>ATTACHED were .inf and .dck files.<br><br>Many thanks!<br><br>Br.<br><br>wang<br><br><br> <br><br><div class="gmail_quote">2011/3/27 <span dir="ltr"><<a href="mailto:trnsys-users-request@cae.wisc.edu">trnsys-users-request@cae.wisc.edu</a>></span><br>
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<br>Today's Topics:<br>
<br>
1. Re: Questions about Type 194 and Type 665<br>
(=?utf-8?B?bHZndWFuZ3poYW8=?=)<br>
<br><br>---------- 已转发邮件 ----------<br>From: "lvguangzhao" <<a href="mailto:lvguangzhao@126.com">lvguangzhao@126.com</a>><br>To: "David BRADLEY" <<a href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>><br>
Date: Sun, 27 Mar 2011 16:51:10 +0800<br>Subject: Re: [TRNSYS-users] Questions about Type 194 and Type 665<br>
<div style="font-size: 10pt; margin: 10px; font-family: verdana;">
<div><font color="#000080" face="Verdana" size="2">Hello David, thank you for your
help! Now I encounter a new problem. Current to load not current to
battery exsits when the heat pump is not in operation. Though the irradiance
during that time is low, but I think the battery bank should be charged
when it's not fully charged. Thank you in advance! </font></div>
<div><font color="#000080" face="Verdana" size="2"></font> </div>
<div><font color="#000080" face="Verdana" size="2"></font> </div>
<div><font color="#c0c0c0" face="Verdana" size="2">2011-03-27 </font></div>
<div><font color="#c0c0c0" face="Verdana" size="2"><span>
<div>
<div>-----------------------------------------<br>Guangzhao
Lv<br></div></div></span></font></div>
<hr color="#b5c4df" size="1">
<div><font face="Verdana" size="2"><b>发件人：</b> David BRADLEY </font></div>
<div><font face="Verdana" size="2"><b>发送时间：</b> 2011-03-15 05:05:06
</font></div>
<div><font face="Verdana" size="2"><b>收件人：</b> lvguangzhao </font></div>
<div><font face="Verdana" size="2"><b>抄送：</b> trnsys-users </font></div>
<div><font face="Verdana" size="2"><b>主题：</b> Re: [TRNSYS-users] Questions
about Type 194 and Type 665 </font></div>
<div><font face="Verdana" size="2"></font> </div>
<div><font face="Verdana" size="2"><font face="Verdana" size="2">Guangzhao<br>
</font>My apologies for the delay, I am still working on trying to get the
parameters for your PV module generated. While Type194 is the preferred model,
you could use Type94 for the time being. <br><br> As for the mode
parameter in Type194, you don't need to worry about it. For a time, we were
adding an extra "mode" parameter to all new Types that we wrote just in case we
needed it in the future so that we wouldn't run into backwards compatibility
problems. Type194 only has one mode.<br><br> Lastly, the voltage of your
PV array and the voltage of your battery bank typically need to match each
other. A battery charge controller can handle some differences but the idea is
usually that you want your DC PV array to run at a voltage that is a bit higher
than the battery bank voltage so that it can be used to charge the batteries
without a step-down voltage converter. The number of cells within a PV module
obviously can't be changed. However, the number of modules that you connect in
series and parallel can be. Your PV array will run at multiples of about 17.5V,
which is about normal for charging a 12V battery system I would think. If you
have PVs in series, you would need to also have batteries in series as
well.<br>Kind regards,<br> David<br><br>On 3/14/2011 08:21, lvguangzhao
wrote:
<blockquote type="cite">
<div><font color="#000080" face="Verdana" size="2">
<div><font color="#000080" face="Verdana" size="2">
<div><font color="#000080" face="Verdana" size="2">Hello,David,I urgently want to
get your help.</font></div>
<div><font color="#000080">Following are the parameters I missed. </font></div>
<div><font color="#000080">Temperature coefficient of short circuit current =
0.0010 [1/k]</font></div>
<div><font color="#000080">Temperature coefficient of open circuit voltage =
-0.0038 [v/k]</font></div>
<div><font color="#000080">It's a mono-silicon based panel. All of the
parameters I sent to you are from the product manual. The test result of
open circuit voltage also matches that value. </font></div>
<div><font color="#000080">I also want to know which type I should use,
type194 or type194b? The parameters of Type194b's seem can be changed.
But a message " Only mode 1 has been implemented, mode 2
was created for future updates" is showed in mode card. I'm not
sure whether it has been implemented now.</font></div>
<div>I have another question about the capacity of a battery bank. The
capacity of a battery bank will not vary with the number of cells in
series. So if it means that the cell capacity should vary with the number
of cells in series?</div>
<div><font color="#000080">Best regards!</font></div></font></div></font></div>
<div> </div>
<div> </div>
<div><font color="#c0c0c0" face="Verdana" size="2">2011-03-13 </font></div><font color="#000080" face="Verdana" size="2">
<hr style="width: 100px;" align="left" color="#b5c4df" size="1">
</font>
<div><font color="#c0c0c0" face="Verdana" size="2"><span>
<div>
<div>Guangzhao Lv</div></div></span></font></div>
<hr color="#b5c4df" size="1">
<div><font face="Verdana" size="2"><b>发件人：</b> David BRADLEY
</font></div>
<div><font face="Verdana" size="2"><b>发送时间：</b> 2011-03-09
03:24:00 </font></div>
<div><font face="Verdana" size="2"><b>收件人：</b> lvguangzhao </font></div>
<div><font face="Verdana" size="2"><b>抄送：</b> trnsys-users </font></div>
<div><font face="Verdana" size="2"><b>主题：</b> Re: [TRNSYS-users]
Questions about Type 194 and Type 665 </font></div>
<div></div>
<div><font face="Verdana" size="2">Guangzhao,<br> I also need to know the
temperature coefficient of short circuit current and the temperature
coefficient of open circuit voltage. Both of these should be listed on the
manufacturer's data sheet. Also, is this a silicon-based panel or some other
material? The reason I ask is that silicon cells typically run at about 0.5V
per cell so 36 in series would have an open cell voltage more like 18V than
21.5V. Its not impossible of course.<br>Kind
regards,<br> David<br><br><br>On 3/8/2011 05:21, lvguangzhao wrote:
<blockquote type="cite">
<div><font color="#000080" face="Verdana" size="2">
<div><font color="#000080" face="Verdana" size="2">Hello, David, thank you very
much for your reply.Attached are my project.Following are the
parameters that I am trying to enter into the EES.</font></div>
<div>Number of cells in series within a module = 36</div>
<div>Open circuit voltage at reference conditions = 21.5 V</div>
<div>Short ciecuit current at reference conditions = 7.55 amp</div>
<div>Max. power voltage at reference conditions = 17.5 V</div>
<div>Max. power current at reference conditions = 6.86 amp</div>
<div>Module area = 0.92m2</div>
<div>I also have tryed to change some parameters in EXAMPLE.VAR in the
folder of Type194 ,but I didn't know what to correct.</div>
<div>Thank you in advance !</div></font></div>
<div> </div>
<div> </div>
<div><font color="#c0c0c0" face="Verdana" size="2">2011-03-08 </font></div><font color="#000080" face="Verdana" size="2">
<hr style="width: 100px;" align="left" color="#b5c4df" size="1">
</font>
<div><font color="#c0c0c0" face="Verdana" size="2"><span>
<div>
<div>Guangzhao Lv<br></div></div></span></font></div>
<hr color="#b5c4df" size="1">
<div><font face="Verdana" size="2"><b>发件人：</b> David BRADLEY
</font></div>
<div><font face="Verdana" size="2"><b>发送时间：</b> 2011-03-02
23:04:11 </font></div>
<div><font face="Verdana" size="2"><b>收件人：</b> lvguangzhao
</font></div>
<div><font face="Verdana" size="2"><b>抄送：</b> trnsys-users
</font></div>
<div><font face="Verdana" size="2"><b>主题：</b> Re: [TRNSYS-users]
Questions about Type 194 and Type 665 </font></div>
<div><font face="Verdana" size="2">Guangzhao,<br> Could you please send me
an email containing the parameters that you are entering into the EES plugin
for Type194? I have run into some similar problems in the past and may be
able to help solve this one. It sounds from what you describe as though the
problem is in launching the plugin, not actually in having the plugin solve
so perhaps you only need to send me the Trnsys Studio project that causes
the error.<br>Kind regards,<br> David<br><br><br>On 3/1/2011 00:47,
lvguangzhao wrote:
<blockquote type="cite">
<div><font face="Verdana" size="2">Hello, I have two questions to
ask.</font></div>
<div><font face="Verdana" size="2">1. I encountered a problem when I was
trying to change the parameters of Type 194 using EES. A error
"Missing user function or improper format for Call statement" was showed
after I clicked on the icon on the parameter card. What's wrong with
it? </font></div>
<div>2. A convertible frequency air source heat pump is needed
in my model but I can't find one in TRNSYS. <font style="background-color: rgb(183, 232, 189);">Is Type 665
Ok? </font></div>
<div align="left"><font color="#c0c0c0" face="Verdana" size="2">2011-03-01
</font></div><font face="Verdana" size="2">
<hr style="width: 122px; min-height: 2px;" align="left" size="2">
<div><font color="#c0c0c0" face="Verdana" size="2"><span>
<div>
<div>Guangzhao Lv<br></div></div></span></font></div></font><pre><fieldset></fieldset>
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</pre></blockquote><br><pre 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 href="mailto:d.bradley@tess-inc.com" target="_blank">d.bradley@tess-inc.com</a>
<a href="http://www.tess-inc.com" target="_blank">http://www.tess-inc.com</a>
<a href="http://www.trnsys.com" target="_blank">http://www.trnsys.com</a></pre></font></div></blockquote><br><pre 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 href="mailto:d.bradley@tess-inc.com" target="_blank">d.bradley@tess-inc.com</a>
<a href="http://www.tess-inc.com" target="_blank">http://www.tess-inc.com</a>
<a href="http://www.trnsys.com" target="_blank">http://www.trnsys.com</a></pre></font></div></blockquote><br><pre 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 href="mailto:d.bradley@tess-inc.com" target="_blank">d.bradley@tess-inc.com</a>
<a href="http://www.tess-inc.com" target="_blank">http://www.tess-inc.com</a>
<a href="http://www.trnsys.com" target="_blank">http://www.trnsys.com</a></pre></font></div></div>
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