I hate to say in public but l have paired up modules stacked simular to what you want to do, what l have seen is IMP slightly less but still way better then seperate so give it a try. I have done it for the same reason you are looking at. Jerry On Jun 22, 2016 7:37 AM, "Daniel Tittmann" <dan...@greenwired.com> wrote:
> In the rough and tumble world of off grid system management for people who > have been piecing together systems for years it is not uncommon for our > company to come to a project and find many different types of solar > modules. In most cases these modules are working fine and producing power > but often have different output profiles. In an effort to upgrade systems > and increase production I have often had the idea of building string of > these different modules and feeding them into an MPPT controller. > > Can anyone out there explain if this would be a good idea or a bad one? > > Let say we have > 4 x 100 watt 17.5 Vmp modules > 2 x 245 watt 30.5 Vmp modules > > what would be the outcome of 2 strings of modules > both with: 2 x 100 watt + 1 x 245 watt > would this cause issues with the MPPT controller (say OB FM60) or the > modules? Obviously you need to build strings that will fit the profile of > the controller and not over to the series string rating and voltage > tolerance of the modules but from a production standpoint where does this > land? > > thanks for your advice > Cheers- > Daniel > > > > Daniel Tittmann > CTO > Greenwired > www.greenwired.com > dan...@greenwired.com > 707-923-2001 (office) > 707-206-5088 (Cell) > > _______________________________________________ > 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 > > >
_______________________________________________ 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
