HI Dave, Which exact fuses do they have installed?
I’m guessing they are blowing due to not being constant load rated fuses and summer higher temps. jay peltz power > On Nov 1, 2021, at 2:26 PM, Dave Tedeyan <[email protected]> wrote: > > Hi All, > > I am servicing a system that keeps blowing fuses on the AC side, although it > appears that everything is sized correctly. It is a SolarEdge SE11400A-US > inverter. > Max continuous output current is 47.5A x 1.25 = 59.4A. There is a GE TG3222R > 60A AC disconnect, and it is wired up with #6 THHN wire. The terminals were > tight > and there was no evidence of arcing or burning in the past. This is indoors, > and not > exposed to sunlight. No extra conductors are in the conduit. > > But they say that they need to replace a fuse roughly once per month. Has > anyone > seen this before? Could there be some kind of fault in the inverter itself > that > occasionally induces extra current? Is there any way to tweak the settings > so that it > actually produces a bit more than 11.4kw? I appreciate your thoughts. > > Cheers, > Dave > > -- > <https://www.sungineersolar.com/> > Dave Tedeyan, P.E. > Owner | Sungineer Solar > p: he | him | his > a: 1653 Slaterville Rd. | Ithaca, NY 14850 > w: www.sungineersolar.com <http://www.sungineersolar.com/> > c: (607) 288-2898 > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
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