That wouldn't be a ground fault. On Jul 25, 2016 9:01 AM, "Jason Szumlanski" < ja...@floridasolardesigngroup.com> wrote:
> That's what the customer wanted, but even if I cut the leads short and > terminated them, there would still be a risk of a ground fault to the > module frame from water intrusion. In the end I was able to convince the > customer to remove it. We moved a module from the end to the middle where > this broken one was and cut off the excess rails. It looked just fine and > they were happy. > > I don't think I was very clear in my original post. The owner wanted to > leave it physically in place but bypass it electrically. > > > On Sat, Jul 23, 2016 at 4:14 PM, Chris Mason <cometenergysyst...@gmail.com > > wrote: > >> Why don't you bypass it but leave it in place? >> >> On Fri, Jul 22, 2016 at 7:26 AM, Jason Szumlanski < >> ja...@floridasolardesigngroup.com> 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: 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 >>> >>> >>> >> >> >> -- >> 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 >> >> _______________________________________________ >> 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 > > >
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