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Marco,<br>
<br>
Just playing around with these factors a bit shows you can get 90%, if
the modules have -0% tolerance and they are spotless clean. <br>
<br>
Kent<br>
<br>
<br>
Kent Osterberg wrote:
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Marco,<br>
<br>
This may be what you are looking for:<br>
<a moz-do-not-send="true"
href="http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/derate.cgi">http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/derate.cgi</a><br>
<br>
Kent Osterberg<br>
Blue Mountain Solar<br>
<br>
<br>
Marco Mangelsdorf wrote:
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<p class="MsoNormal">Could someone please provide me with that
generally accepted
equation when it comes to estimating AC output from a PV array versus
the STC
rating?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">That is, I’m looking for that equation which
estimates
the losses due to mod mismatch, soiling, wire losses, etc., etc. I’ve
got someone who mistakenly expects their PV array to put out 90 or more
percent
of the STC rating.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">marco<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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