Why don't you bypass it but leave it in place? On Fri, Jul 22, 2016 at 7:26 AM, Jason Szumlanski < [email protected]> wrote:
> I came across shattered glass on an Evergreen PV module while doing a new > homeowner system evaluation. My inclination is to remove the panel and > bypass it, which would still leave the array well within the operating > parameters for the inverter. However, the owner wants to just leave the > panel physically in the array because it actually looks better that way, > which I agree it does. You can hardly tell it's broken from ground level. > > I explained that there is a risk of a ground fault if the module is left > physically in the array, but the owner who is pretty astute, mentioned that > the fault voltage if a ground fault were to occur from that module would > only be at 22.5V potential (he didn't mention the actual voltage, but he > did correctly state that the maximum fault would be limited to the single > module, which in this case is 22.5V @ 12A). While it may trip an inverter, > it would probably not pose a safety risk. > > While he may be technically right, for now I have reused to do the work, > but I told him I would think about it. > > Anyone been through this scenario? > > Jason Szumlanski > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > -- Chris Mason NABCEP Certified Solar PV Installer™ Solar Design Engineer Generac Generators Industrial technician www.cometsolar.com <http://www.cometenergysystems.com> 264.235.5670 869.662.5670 Skype: netconcepts
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