Andrew What is the AC Voltage when this occurs, to much VAC will shut down the inverter. It also looks like you are clipping all the inverters during the mid day, is due to low temps or does this always happen. What is the DC MPPT voltage, is it at the upper limit. Jerry NABCEP PV inspector
On Tue, Feb 25, 2020, 12:02 PM Andrew Truitt <atru...@gmail.com> wrote: > > Wrenches, > > I have a couple of Solectria 36TLs at a small community solar site in CO > that shut themselves down occasionally for what appears to be no reason. > > [image: image.png] > > Voltages and frequency are normal, firmware is updated, IR scan shows > nothing irregular, and the other 2 inverters at the site (50TLs) are fine. > It can happen under sunny or cloudy conditions. Solectria will RMA the > inverters but before I go out and replace I'm curious if anyone has seen > this behavior? > > > Regards, > > Andrew Truitt > > www.dr.ventures > d: 202.486.7507 > > NABCEP Certified PV Installation Professional ID: 032407-66 > Colorado Journeyman Electrician License No.: 600132 > > <https://www.linkedin.com/in/andrewtruitt/> > > [image: Logo] > > The content of this email is confidential and intended for the recipient > specified in this message only. It is strictly forbidden to share any part > of this message with any third party, without written consent of the > sender. If you received this message by mistake, please reply to this > message and follow with its deletion, so that we can ensure such a mistake > does not occur in the future. > _______________________________________________ > 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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