DC Coupled, but solar is disabled at this time. I haven't been back to the site, but I plan to test each inverter individually with the other three chargers disabled to see if there is one offender.
On Sat, Mar 30, 2019 at 3:47 PM Kienan Maxfield <maxfieldso...@hotmail.com> wrote: > Jason, > > This isn’t an AC coupled system is it? There is a very common issue that > can occur when you AC couple XWs on lithium batteries. > > If this is AC coupled, I’ll go into more detail on what I think your > problem might be. Also, let us know if you got it fixed. > > Thanks, > Kienan > maxfieldso...@hotmail.com > (801) 631-5584 > > > > On Mar 27, 2019, at 9:42 AM, Sandra Herrera <sandra.herr...@se.com> wrote: > > Jason, > > > > Lets connect off-list direct email, I will need to send you a file. > > > > Also, this can only be done using the Cofig Tool. > > > > sandra.herr...@se.com > > > > *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> *On > Behalf Of *Jason Szumlanski > *Sent:* Wednesday, March 27, 2019 8:32 AM > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> > *Subject:* Re: [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints > > > > [External email: Use caution with links and attachments] > ------------------------------ > > > > I can't even get 1 hour of charging. The voltage rises too quickly and the > battery management systems disconnect the battery. > > > > What is the calibration process? > > > > I still plan to disable the chargers that are reporting the wrong (lower) > voltage and see if the others (individually) still ignore the setpoints. > It's a very remote location, so diagnostics are extremely difficult. > > > > > > > > > > > > On Tue, Mar 26, 2019 at 9:00 AM Sandra Herrera <sandra.herr...@se.com> > wrote: > > Jason, > > > > The Battery daily summary from the ComBox is information on one day at a > time, this is not part of the logs, and it should be available even if you > have 1 hour or charging. > > > > However, based on your discovery of different DC voltages from the > inverter, my recommendation is to calibrate them. > > > > Sandra > > > > > > *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> *On > Behalf Of *Jason Szumlanski > *Sent:* Monday, March 25, 2019 4:18 PM > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> > *Subject:* Re: [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints > > > > [External email: Use caution with links and attachments] > ------------------------------ > > > > This is a newly commissioned Lithionic LiPo battery on an old system that > has been out of commission for over a year. 51V nominal battery. Logs are > not possible. This happens within minutes of bulk charging initiation. > There is no spike. It's a steady rise. > > > > Jason > > > > > > > > > > > > On Mon, Mar 25, 2019 at 4:41 PM Sandra Herrera <sandra.herr...@se.com> > wrote: > > Jason, > > > > Can you share the Battery Daily Summary from the ComBox? Only select the > battery voltage so it is easier to see where the 0.8V jump is occurring. > > > > Also, what battery are you using? > > > > Thanks > > > > Sandra Herrera > > > > *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> *On > Behalf Of *Jason Szumlanski > *Sent:* Monday, March 25, 2019 1:36 PM > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> > *Subject:* [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints > > > > [External email: Use caution with links and attachments] > ------------------------------ > > > > I have four inverter/chargers (master and 3 slaves) that are blowing past > their 57.6V setpoint that I programmed and confirmed via the Context > Combox. They are hitting 58.4V and tripping the battery management units on > a set of Lithium Batts. Any ideas why this would happen? I can disable > chargers on individual units, so I know the settings are getting uploaded > via the Combox. > > > > Jason Szumlanski > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > ______________________________________________________________________ > > _______________________________________________ > 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 > 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