<html><head></head><body name="Mail Message Editor"><div><span class="Apple-style-span"><br></span></div><div id="replyPrefaceElement">On May 21, 2010, at 9:47:59 AM, i2p <i2p@aol.com> wrote:</div><br><blockquote style="padding-left: 5px; margin-left: 5px; border-left-width: 2px; border-left-style: solid; border-left-color: blue; color: blue; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="width: 749px; "><div id="felix-mail-header-block" style="color: black; background-color: white; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: silver; padding-bottom: 1em; margin-bottom: 1em; width: 749px; "><table border="0" cellpadding="1" cellspacing="1" width="100%"><tbody><tr><td width="70px" style="font-family: 'Lucida Grande'; font-size: 8pt; color: gray; text-align: right; vertical-align: top; font-weight: bold; "><span>From:</span></td><td style="font-family: 'Lucida Grande'; font-size: 8pt; color: black; text-align: left; vertical-align: top; padding-left: 5px; "><span title="i2p <i2p@aol.com>">i2p <i2p@aol.com></span></td></tr><tr><td width="70px" style="font-family: 'Lucida Grande'; font-size: 8pt; color: gray; text-align: right; vertical-align: top; font-weight: bold; "><span>Subject:</span></td><td style="font-family: 'Lucida Grande'; font-size: 8pt; color: black; text-align: left; vertical-align: top; padding-left: 5px; "><span style="font-weight: bold; ">Re: [RE-wrenches] Two strings of Different Orientation</span></td></tr><tr><td width="70px" style="font-family: '
Lucida Grande'; font-size: 8pt; color: gray; text-align: right; vertical-align: top; font-weight: bold; "><span>Date:</span></td><td style="font-family: 'Lucida Grande'; font-size: 8pt; color: black; text-align: left; vertical-align: top; padding-left: 5px; "><span>May 21, 2010 9:47:59 AM PDT</span></td></tr><tr><td width="70px" style="font-family: 'Lucida Grande'; font-size: 8pt; color: gray; text-align: right; vertical-align: top; font-weight: bold; "><span>To:</span></td><td style="font-family: 'Lucida Grande'; font-size: 8pt; color: black; text-align: left; vertical-align: top; padding-left: 5px; "><span title="RE-wrenches <re-wrenches@lists.re-wrenches.org>">RE-wrenches <re-wrenches@lists.re-wrenches.org></span></td></tr></tbody></table></div><div id="felix-mail-content-block" style="color: black; background-color: white; width: 749px; "><div><div><span class="Apple-style-span"><br></span></div><div id="replyPrefaceElement">On May 20, 2010, at 7:11:45 PM, "Bill Brooks" <billbrooks7@yahoo.com> wrote:</div><br><blockquote style="padding-left: 5px; margin-left: 5px; border-left-width: 2px; border-left-style: solid; border-left-color: blue; color: blue; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="font-family: monospace; font-size: 11px; ">Maybe<br>it is a pipe dream, but I would like to think that designers, engineers, and<br>knowledgeable installers will one day be able to accurately understand the<br>irradiance and temperature impacts on I-V curves so that manufacturers will<br>b
e unable to use inaccurate information to sell their wares. Call me crazy.</span></span></blockquote><div><span class="Apple-style-span"><br></span></div><div><span class="Apple-style-span">Amen Bill,<div><span class="Apple-style-span"><br></span></div><div><span class="Apple-style-span">I just installed a system very similiar , SE array paired with SW array. Performance is good and I will be monitoring over the next year to gain kwh performance data. But generally , as long as the strings are equal, modest mismatch problems are minimal.<div><span class="Apple-style-span"><br></span></div><div><span class="Apple-style-span">my two cents,<div><span class="Apple-style-span"><br></span></div><div><span class="Apple-style-span">Don L oweburg</span></div></span></div></span></div></span></div><div class="aol_ad_footer" id="u798A0A9353014B6E9B34CB43429C5C7B"></div></div><div style="font-family: monospace; color: black; background-color: white; font-size: 8pt; ">_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: RE-wrenches@lists.re-wrenches.org<br><br>Options & settings:<br>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org<br><br>List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org<br><br>List rules & etiquette:<br>www.re-wrenches.org/etiquette.htm<br><br>Check out participant bios:<br>www.members.re-wrenches.org<br><br><br></div></div></div></span></blockquote><div><span class="Apple-style-span">To clarify, I am talking about modest array orientation mismatch for identical strings sharing a common single inverter input. Marv's point about cell temp vs ambient is a good one and does complicate the analysis a bit.<div><span class="Apple-style-span" style=""><br></span></div><div><span class="Apple-style-span" style="">Don Loweburg</span></div></span></div><div class="aol_ad_footer" id="u158FEA509B2E4F778AC8EFE6AFEEC259"></div></body></html>