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Holt,<br>
The string of two will contribute nothing to the charging, as the
combined input voltage will be above Voc for the string of two.
Better off storing the last two for spares.<br>
Allan<br>
<br>
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<font face="Times New Roman, Times, serif"><b>Allan Sindelar</b></font><br>
<small><a href="mailto:Allan@positiveenergysolar.com"><font
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<span style="font-size: 10pt;">NABCEP Certified Photovoltaic
Installer<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
<b>Positive Energy, Inc.</b><br>
3201 Calle Marie<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112</b><br>
<a href="http://www.positiveenergysolar.com/" target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></font>
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On 9/30/2011 7:55 AM, <a class="moz-txt-link-abbreviated" href="mailto:holtek@sbcglobal.net">holtek@sbcglobal.net</a> wrote:
<blockquote cite="mid:D7E0E060987548EAB109FF1F99AAA63E@HoltPC"
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<div>Battery based grid tie system</div>
<div> </div>
<div>Current array: 20 modules - 5 strings of 4</div>
<div>Proposed array: 32 modules - 10 strings of 3, 1 string of 2 -
all to MNPV12 combiner</div>
<div> </div>
<div>changing charge controller (long story) and expanding system
to 2 CC's. voltage limits me to 3 max in string.</div>
<div> </div>
<div>Question: is the 3-2 mix of strings an issue? Also - would
modules of slightly different voltages in the same string be an
issue? </div>
<div> </div>
<div>Think I know the answer - that's why I'm asking
others.....just want to be sure</div>
<div> </div>
<div>Holt E. Kelly<br>
Holtek Fireplace & Solar Products<br>
500 Jewell Dr.<br>
Waco TX. 76712<br>
254-751-9111<br>
<a moz-do-not-send="true" href="http://www.holteksolar.com">www.holteksolar.com</a><br>
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