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<p>Amit,</p>
<p> I am not clear as to whether you are asking for an explanation
of the equation V = max(0,time-10) or whether you are asking about
the format of the characteristic of a photovoltaic's I-V curve. <br>
</p>
<p> If it is the first case then the max(:,:) function returns the
maximum of two arguments. TIME is a built-in variable. The
equation sets a variable (V) to the maximum of zero or the present
simulation time minus 10. <br>
</p>
<p> If you want to know about the characteristic curve of a PV I
would recommend reading the 04-MathematicalReference manual
section about the PV Type that you are using.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 01/09/2018 07:23, Amit Verma via
TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAGJ6amK6jAYsTvu1nLw7usysTWqMZ=QZs1nTee-7779MmgLDNA@mail.gmail.com">
<div dir="ltr">Hello Everyone !!!
<div><br>
</div>
<div>Can anyone describe how to write Eqn for I-V Curve in
Photovoltaic i.e V=max (0,time-10)</div>
<div><br>
</div>
<div>Regards</div>
<div>Amit Verma</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jan 9, 2018 at 2:03 PM, <span
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Today's Topics:<br>
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1. Re: curve of WTG (MACIAS VICENTE, SERGIO)<br>
<br>
<br>
---------- Forwarded message ----------<br>
From: "MACIAS VICENTE, SERGIO" <<a
href="mailto:SMACIAS@external.gamesacorp.com"
moz-do-not-send="true">SMACIAS@external.gamesacorp.com</a>><br>
To: "'David BRADLEY'" <<a
href="mailto:d.bradley@tess-inc.com"
moz-do-not-send="true">d.bradley@tess-inc.com</a>>,
"TRNSYS users mailing list at OneBuilding.org" <<a
href="mailto:trnsys-users@lists.onebuilding.org"
moz-do-not-send="true">trnsys-users@lists.onebuilding.org</a>><br>
Cc: <br>
Bcc: <br>
Date: Tue, 9 Jan 2018 08:33:50 +0000<br>
Subject: Re: [TRNSYS-users] curve of WTG<br>
<div bgcolor="white" link="blue" vlink="purple" lang="ES">
<div class="m_5304206081160449409WordSection1">
<p class="MsoNormal"><span
class="m_5304206081160449409shorttext"><span
lang="EN">Hello,</span></span><span lang="EN"><br>
<br>
<span class="m_5304206081160449409shorttext">Thank
you very much. The fault was that.</span></span></p>
<p class="MsoNormal"><span
class="m_5304206081160449409shorttext"><span
lang="EN"> </span></span></p>
<p class="MsoNormal"><span
class="m_5304206081160449409shorttext"><span
lang="EN">Best regards.</span></span><span
style="color:#1f497d"></span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<div>
<p class="MsoNormal"><b><span
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lang="EN-US">Sergio Macías Vicente</span></b></p>
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cid:image001.png@01D2AD3E.E2146250" class=""
height="56" width="166"></span><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#4b4d4f"></span></p>
<p class="MsoNormal"><b><span
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<div style="border:none;border-top:solid #b5c4df
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">De:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
David BRADLEY [mailto:<a
href="mailto:d.bradley@tess-inc.com"
target="_blank" moz-do-not-send="true">d.bradley@tess-inc.com</a><wbr>]
<br>
<b>Enviado el:</b> viernes, 22 de diciembre de
2017 18:55<br>
<b>Para:</b> MACIAS VICENTE, SERGIO; TRNSYS
users mailing list at OneBuilding.org<br>
<b>Asunto:</b> Re: [TRNSYS-users] curve of WTG</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p>Sergio,</p>
<p> I suggested the distributor route because this forum
is (supposedly) for users to help users whereas the
distributors are (hopefully) more likely to respond to
tech support questions like yours.</p>
<p>I did look at the project you sent. The wind turbine
is internally controlled so that if the wind speed
exceeds the rated wind speed (specified in the data
file) the rotors change pitch to shed wind so that the
turbine is not damaged. When the incident wind speed
exceeds rated wind speed the turbine will produce its
rated power.</p>
<p>kind regards,</p>
<p> David</p>
<p> </p>
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">On 12/20/2017 01:50, MACIAS
VICENTE, SERGIO wrote:</p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span lang="EN">Hello,<br>
<br>
I attach all the files. Surely someone can help
me. It is a simple example to verify that the
behavior of the wind turbine is correct.</span></p>
<p class="MsoNormal"><span lang="EN"> </span></p>
<p class="MsoNormal"><span lang="EN">Thank you.</span></p>
<p class="MsoNormal"><span lang="EN"> </span></p>
<p class="MsoNormal"><span lang="EN">Best regards.</span></p>
<p class="MsoNormal"><span style="color:#1f497d"
lang="EN-US"> </span></p>
<div>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a"
lang="EN-US">Sergio Macías Vicente</span></b></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a"
lang="EN-US">Offgrid Technical</span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a">Siemens
Gamesa Offgrid</span></p>
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style="font-size:10.0pt;font-family:"Arial","sans-serif""><img
id="m_5304206081160449409_x0000_i1025"
src="cid:part9.A5C8DFD0.62833F57@tess-inc.com"
alt="Descripción: Descripción:
cid:image001.png@01D2AD3E.E2146250" class=""
height="56" width="166"></span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a">Gamesa
Corporación Tecnológica</span></b></p>
</div>
<p class="MsoNormal"> </p>
<div>
<div style="border:none;border-top:solid #b5c4df
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">De:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
David BRADLEY [<a
href="mailto:d.bradley@tess-inc.com"
target="_blank" moz-do-not-send="true">mailto:d.bradley@tess-inc.com</a><wbr>]
<br>
<b>Enviado el:</b> martes, 19 de diciembre de
2017 21:19<br>
<b>Para:</b> TRNSYS users mailing list at
OneBuilding.org<br>
<b>CC:</b> MACIAS VICENTE, SERGIO<br>
<b>Asunto:</b> Re: [TRNSYS-users] curve of WTG</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p><span lang="EN">Sergio,</span></p>
<p><span lang="EN"> I would recommend that you send
your project to your distributor so that they can
determine why the turbine is giving less power
than expected.</span></p>
<p><span lang="EN"> The distributor will need to have
your project (*.tpf file) and the wind turbine
data file that you are using as well as any other
files needed in order to run the simulation.</span></p>
<p><span lang="EN">kind regards,</span></p>
<p><span lang="EN"> David</span></p>
<p> </p>
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">On 12/19/2017 09:47, MACIAS
VICENTE, SERGIO via TRNSYS-users wrote:</p>
</div>
<blockquote
style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span lang="EN">Hello, my name
is Sergio.<br>
<br>
I have a question. I have the curve of a wind
turbine as in the image. The behavior is not
correct, since at 25 m / s they produce 95 kW.
Can you insert a curve in the next way?</span></p>
<p class="MsoNormal"><span lang="EN"> </span></p>
<p class="MsoNormal"><span lang="EN">Thanks.</span></p>
<p class="MsoNormal"><span lang="EN"> </span></p>
<p class="MsoNormal"><span lang="EN">Best regards.</span></p>
<p class="MsoNormal"><span lang="EN"> </span></p>
<p class="MsoNormal"><span><img
id="m_5304206081160449409Imagen_x0020_2"
src="cid:part13.68633FB2.7E6CB8AA@tess-inc.com"
class="" height="794" width="276" border="0"></span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a"
lang="EN-US">Sergio Macías Vicente</span></b></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a"
lang="EN-US">Offgrid Technical</span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a">Siemens
Gamesa Offgrid</span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif""><img
id="m_5304206081160449409Imagen_x0020_1"
src="cid:part9.A5C8DFD0.62833F57@tess-inc.com"
alt="Descripción: Descripción:
cid:image001.png@01D2AD3E.E2146250" class=""
height="56" width="166" border="0"></span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#5a5a5a">Gamesa
Corporación Tecnológica</span></b></p>
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<p class="MsoNormal"><span
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Pozaldez km.1</span></p>
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</span></p>
<pre>-- </pre>
<pre>***************************</pre>
<pre>David BRADLEY</pre>
<pre>Principal</pre>
<pre>Thermal Energy Systems Specialists, LLC</pre>
<pre>22 North Carroll Street - suite 370</pre>
<pre>Madison, WI 53703 USA</pre>
<pre> </pre>
<pre>P:+1.608.274.2577</pre>
<pre>F:+1.608.278.1475</pre>
<pre><a href="mailto:d.bradley@tess-inc.com" target="_blank" moz-do-not-send="true">d.bradley@tess-inc.com</a></pre>
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style="font-size:12.0pt;font-family:"Times New
Roman","serif""><br>
<br>
</span></p>
<pre>-- </pre>
<pre>***************************</pre>
<pre>David BRADLEY</pre>
<pre>Principal</pre>
<pre>Thermal Energy Systems Specialists, LLC</pre>
<pre>22 North Carroll Street - suite 370</pre>
<pre>Madison, WI 53703 USA</pre>
<pre> </pre>
<pre>P:+1.608.274.2577</pre>
<pre>F:+1.608.278.1475</pre>
<pre><a href="mailto:d.bradley@tess-inc.com" target="_blank" moz-do-not-send="true">d.bradley@tess-inc.com</a></pre>
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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>
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