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Carol,<br>
Yes, that would be the correct approach. The inverter that is
built in to Type194 takes the DC power directly from the array and
converts it to AC. You would want a charge controller (regulator)
that charged the battery with DC power and only after that converted
to AC power with an inverter.<br>
Best,<br>
David<br>
<br>
<br>
On 2/24/2011 09:28, Pascual, Carol wrote:
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<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);" lang="EN-US">I would like to simulate a PV system
with energy storage and I think
that I can´t use the type 194b PV-Inverter. I have to use
the type 194 then a
regulator-inverter (type 48d) and finally the battery (type
47c). Am I right?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);" lang="EN-US">Thanks in advance,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);" lang="EN-US">Carol<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family:
"Tahoma","sans-serif"; color:
windowtext;" lang="EN-US">De:</span></b><span
style="font-size: 10pt; font-family:
"Tahoma","sans-serif"; color:
windowtext;" lang="EN-US">
David Bradley [<a class="moz-txt-link-freetext" href="mailto:bradley@tess-inc.com">mailto:bradley@tess-inc.com</a>] <br>
<b>Enviado el:</b> 12 March 2010 18:51<br>
<b>Para:</b> Dimas Firmanda Al Riza<br>
<b>C</b></span><b><span style="font-size: 10pt;
font-family:
"Tahoma","sans-serif"; color:
windowtext;">C:</span></b><span style="font-size:
10pt; font-family:
"Tahoma","sans-serif"; color:
windowtext;"> Maria Victoria Cambronero Vazquez;
<a class="moz-txt-link-abbreviated" href="mailto:trnsys-users@cae.wisc.edu">trnsys-users@cae.wisc.edu</a><br>
<b>Asunto:</b> Re: [TRNSYS-users] batteries models<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dimas,<br>
I am not sure that changing the cell voltage is valid. I
think that the
Shepherd model assumes a certain shape to the battery's charge
/ discharge
curve that is inherent to lead acid batteries and not as valid
to other battery
types. Someone please correct me if I am wrong about that.<br>
Best,<br>
David<br>
<br>
<br>
Dimas Firmanda Al Riza wrote: <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom: 12pt;">Dear David and
Maria,<br>
<br>
I'm also doing simulation that required different type of
battery from the
existing battery type available in TRNSYS library,<br>
I need to simulate 12V battery bank, that consist of 4 @12V
100Ah battery. Type
47b in TRNSYS library have a default voltage value of 2,5V
each cell, Can I
simply change this value? or do I need to make some other
modification for this
component? <br>
David, I'd like to read the paper you've offered to maria,
would you send me
also?<br>
<br>
Thank you very much<br>
<br>
-dimas-<br>
ME Student<br>
UTP<o:p></o:p></p>
<div>
<p class="MsoNormal">On Sat, Mar 13, 2010 at 12:18 AM, David
Bradley <<a moz-do-not-send="true"
href="mailto:bradley@tess-inc.com">bradley@tess-inc.com</a>>
wrote:<o:p></o:p></p>
<div>
<p class="MsoNormal">Maria,<br>
You are correct that the battery models in TRNSYS are
for lead-acid
cells. I was directed to a paper some years ago that
suggested a method for
modeling lithium-ion batteries. The method comes down to
curve fitting the data
that you get from a manufacturer's catalog into a few
polynomials. I had a hard
time following the some parts of the paper and never got a
chance to implement
the model but it seemed to me as though the method could
be extended to other
battery types. I'll forward you the paper in a separate
email. If anyone else
has seen some modeling research in this area, I'd be quite
interested in
hearing about it to improve on the existing battery
models.<br>
Best,<br>
David <o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"><br>
<br>
<br>
Maria Victoria Cambronero Vazquez wrote: <o:p></o:p></p>
</div>
</div>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<div>
<div>
<div>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family:
"Arial","sans-serif";">Hi,</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family:
"Arial","sans-serif";"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family:
"Arial","sans-serif";"
lang="EN-GB">I´d need
to know if there is a model of Li-Ion Battery or
if I´m able to characterize
any kind of battery using an existing type (in
spite of being lead-acid
battery).</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family:
"Arial","sans-serif";"
lang="EN-GB">Thank you
very much!</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family:
"Arial","sans-serif";"
lang="EN-GB">Maria</span><o:p></o:p></p>
</div>
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<pre> USA<o:p></o:p></pre>
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***************************
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Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
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