Hi Tump, The battery charge rate is set to limit the overall charge of the batteries to less than .02C (20% overall AH’s) and while the AC1 is set to 60 amps Max input the AC2 is set to 12 Amps max per inverter. I’m not so much concerned with the 18 kw generator disconnecting, that can be dealt with, but the battery charger not regulating during the absorption cycle is really what worries me.
Thanks much, Jason > On May 4, 2017, at 3:05 PM, Tump <[email protected]> wrote: > > Its a pretty small battery bank what do you have the charge rate set to > 10%?100%? how large is your generator? I will usually start with a lower set > point, w 3 inverters charging at even 15% thats quite a bit of charging for > that BB. Make sure your AC input priority is set for AC2 and the Max current > is what your get can reasonably can handle. but if you are seeing brief > disconnects then these settings should be checked. Is there a load unknown to > you after the genre connects say additional loads on the generator feeding > somewhere else? > I would not swap the AC1 as the settings while are adjustable, there are some > differences in AC1 & AC2. > T >> On May 4, 2017, at 4:57 PM, Dave Angelini Offgrid Solar >> <[email protected] <mailto:[email protected]>> wrote: >> >> On Schneider gear if you program the bat capacity to zero, the unit will >> run the full absorb time. If you had a 1000 AH bank programmed, at 2% of >> the 1000 ah or 20 amps into the battery the unit will go to float. I do >> not see this as your problem though! >> --Dave >> >>> Hello Kevin, >>> >>> I have actual battery capacity of 670 ahâs programmed in. Do you have >>> any theories on why 0 ahâs was helpful?? >>> >>> Swapping AC1 and AC2 is a really good idea. The only problem is since I >>> put in a micro SD card to the Combox, to do extended logging, I have not >>> been able to reproduce the problem that was easy to reproduce a month ago. >>> Only thing that has changed is the weather has warmed up. >>> >>> Schneider tech support has been helpful with suggestions, but they will >>> not pay to replace the battery bankâ¦.. >>> >>> Jason >>> >>>> On May 4, 2017, at 9:42 AM, Kevin Pegg <[email protected] >>>> <mailto:[email protected]>> >>>> wrote: >>>> >>>> This is a good one. What battery capacity have you programmed into the >>>> XW system? We have had a few issues, though not this one specifically, >>>> but similar head-scratchers that were resolved by setting the battery >>>> capacity to 0 Ah. >>>> >>>> Have you tried swapping AC1 and AC2 and does the problem follow the >>>> source or the input? >>>> >>>> I recently had an odd issue with generator automation on AC1 on an XW+ >>>> and Schneider tech support was helpful in replicating the issue in their >>>> lab and issuing a fix. Might be worth engaging them if you haven't >>>> already. >>>> >>>> Kevin >>>> >>>> -----Original Message----- >>>> From: RE-wrenches [mailto:[email protected] >>>> <mailto:[email protected]>] On >>>> Behalf Of Jason Lerner >>>> Sent: May-03-17 3:18 PM >>>> To: RE-wrenches <[email protected] >>>> <mailto:[email protected]>> >>>> Subject: [RE-wrenches] Xantrex XW 6048A unregulated during charging >>>> >>>> Hello All, >>>> >>>> Iâm working on a system with 3 Xantrex XW 6048âs that has grid on >>>> AC1 and a 20 kw generator on AC2. When charging from grid it regulates >>>> during an absorption charge at 58.2 where it should. When charging from >>>> AC 2 - generator, the battery Voltage rises above 62 VDC, but not every >>>> single time. All the settings are correct, EQ is turned off, and if it >>>> accidentally got turned on is set at the same Voltage as the absorption >>>> setting. Customer has a brand new 33 kWh AGM battery bank, that I >>>> would rather not fry. This is a battery backup system with no PV. >>>> >>>> I have checked all the temperature sensors (they seem good) and tried >>>> charging with them plugged in, and with them unplugged and it doesnât >>>> seem to change the situation. >>>> >>>> Has anybody else seen this happen before? Any suggestions? >>>> >>>> Thanks very much, >>>> >>>> Jason Lerner >>>> Waldron Power and Light Co. >>>> (888) 927-2526 >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: [email protected] >>>> <mailto:[email protected]> >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> <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 >>>> >>>> _______________________________________________ >>>> 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 >>>> >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: [email protected] >>> <mailto:[email protected]> >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> <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 >>> >>> >> >> >> Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> >> e-mail [email protected] >> text 209 813 0060 >> >> _______________________________________________ >> 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 >> > >> [email protected] >> <blocked::mailto:[email protected]%22%20%5Co%20%22blocked::mailto:[email protected]> >> www.SWNL.net >> <blocked::http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/> >> Solarwinds Northernlights >> Serving Mid Coast Maine & Northern California >> 207-832-7574 Cl. 610-517-8401 >> >> Blair "TUMP" May >> ******** MAINE'S CHARTER ******** >> NABCEP "Certified PV Installer" >> >> ******** MAINE'S CHARTER ******** >> Trace Xantrex "Certified" Dealer / Installer" >> > > > _______________________________________________ > 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 >
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