Mark Loaded modules will have hotter cells. I know this from searching for bad cells with a thermal camera. At open circuit I could not see a difference, but short circuit or loaded I could see 20 - 30 C increase in mismatched cells .
Bill On Wed, Sep 10, 2014 at 9:43 PM, Mark Frye <ma...@berkeleysolar.com> wrote: > Folks, > > Two identical PV modules are mount in an identical fashion and exposed to > identical irradiance. > > One module is open circuit. The other is connected to a load and producing > power. > > Is there a difference in the temperature of the two modules? If so, which > one is cooler? > > Mark Frye > Berkeley Solar Electric Systems > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches. > org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > -- William Hoffer 161 SE Fourth Ave P.O. Box 1823 White Salmon, WA 98672-1823 suneng...@gmail.com <bhof...@sunergyengineeringservices.com>
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