Hi Kris, When the BMS suddenly blocks charge, the voltage will spike up if the charger can't respond quickly enough.
You may try to decrease charge voltage slightly. This same affect can cook an alternator in a vehicle as well. Higher end BMS systems can shunt current to mediate this. Good luck! On Sat, Nov 19, 2022, 5:32 AM Kristopher Schmid via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Greetings all, > > I have seen an issue on two different systems that I am hoping someone can > shed some light on for me. One was a 48 volt pack of 12 volt Battle Bornes > and the other was a 24 volt pack of SOKs. What happens is when reaching > the end of the bulk charging stage, the battery voltage spikes and sends > the inverter into an overvoltage error. Can anyone explain what is > happening and a solution? > > Thanks, > Kris > > Shine On! > > Kris Schmid > Legacy Solar, LLC > 137 West 1st Avenue > Luck, WI 54853 > www.legacysolar.com > 715-653-4295 > NABCEP Certified PV Installation Professional > Licensed Wisconsin Master Electrician > BSEE > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > 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 > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > 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 > >
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org 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 There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ 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
