I have replaced a few paper fuses over the years in outside boxes which appear to have failed due to moisture as there was no other faults.
On Mar 18, 2018, at 10:39 AM, Jay <jay.pe...@gmail.com> wrote: Hi Jerry, Curious what amp rating the fuses are and what the ISC rating of the modules are. Thx Jay Peltz power. > On Mar 17, 2018, at 8:26 PM, Jerry Shafer <jerrysgarag...@gmail.com> wrote: > > Wrenches > I have a question that I do not have an answer for that I can prove, here it > is, I have 25 ABB 20 k. three phase inverters on a .5 meg ground mount site , > I have also seen this on systems with SMA tripower and Fronius 8.2 and trio > inverters on roof mounted systems, intermittently one combiner will blow a > fuse and 9 times out of 10 it will be a negative fuse. PPA holders or CFO's > of these systems would like to know why and other than a wake up surge or > shade issue which could effect the negative side but that's really a stretch > to say for sure. We have sites located in dry and wet locations around the > islands, we have different brands of inverters but the fuses are what the > inverter manufacture included in their combiner/switches. I am proposing to > only use a slow blow fuse in the future with all of our new systems > regardless of what is included in the combiners but with hundreds of fuses > out there its a tough call to replace as they fail or just for it and change > them all in advanc e per site. I Look forward to your thoughts and ideas, maybe its something else altogether. > Jerry > _______________________________________________ > 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 _______________________________________________ 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
