Wrenches We have sites with multible Tri-powers and sometimes we get an arc fault, lately its been right at 2:00 pm which happens to be right when the bell sounds. We are testing a line filter that shluld supress outside noise. If anyone is intetested contact me off libe and l will get you the info, FYI its just over 200. Jerry
On Sep 29, 2017 11:38 AM, "AE Solar" <[email protected]> wrote: > Was it raining on the days you got the error? We had that problem on a > system during low light (beginning or end of a day) on days when it was > raining (although I think it was actually an arc fault message). It was > unrelated to an RSB (didn't exist yet). There is a thread about it here > somewhere I could try and dig up... > > On Fri, Sep 29, 2017 at 5:32 PM Bruce Erickson <[email protected]> > wrote: > > > Hi All, > > > > I’m wondering if anyone else is having trouble with the SMA Rapid > Shutdown > > Box. We have an installation where an SMA 7700TL-US-22 (rebranded as > > SunPower) is fed by an array with a Rapid Shutdown Box. Many, but not > all, > > mornings, the inverter would fail the AFCI self-test on wakeup. When > reset, > > it would operate fine all day. There was never an actual indication of an > > arc fault, just the self-test failure. SunPower, in consultation with > SMA, > > decided to replace the inverter. Everything worked normally for a couple > of > > weeks, then the problem resumed. Again, no arc-fault indication, just the > > self-test failure and then full operation the rest of the day after > > resetting. > > > > We began to suspect the Rapid Shutdown Box, so we bypassed it completely, > > and there were absolutely no problems for several weeks. SMA was then > > willing to replace the RSB, after which everything worked fine for about > a > > week, then this morning the same issue. Again, self-test failure, then > when > > reset, it has to go through another self-test, which it always passes and > > then runs all day. > > Has anyone had problems with the RSB, or, with AFCI in general? > > > > Based on this experience, this is the second and last RSB we’ve used, and > > have somewhat reluctantly gone to all micro inverters to meet rapid > > shutdown. > > > > Bruce Erickson > > Mendocino Solar Service > > PO Box 1252 > > Mendocino, CA 95460 > > 707-937-1701 > > 707-937-1741 fax > > [email protected] > > > > Connecting Mendocino County to Solar Since 1994 > > > > > > > > > > > > > > > > _______________________________________________ > > 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]. > org/maillist.html > > > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > > > > Check out or update participant bios: > > www.members.re-wrenches.org > > > > -- > Adam Katzman > Autonomous Energies > PO Box 1245 > Kingston, NY 12402 > www.autonomousenergies.com > (518) 567-1468 > _______________________________________________ > 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]. > 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: [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
