Jones Solaredge does not like to surge or ramp up quickly, in conversations with SE the fix might be a variable frequency controller, I do not know how the controller you have will work but historically that the cure. Jerry
On Mon, Jun 8, 2020, 8:15 AM Jon Siegenthaler <jon.siegentha...@gmail.com> wrote: > Hey Wrenchers, > > This is an installation with two Solaredge Storedge 7.6 inverters and the > LG Chem Resu 10 batteries. When the utility goes down the two inverters for > the solar switch over to back up mode and feed two separate dedicated loads > panels. One panel works fine and all of the dedicated loads connected to it > work as normal. Within the other panel there are just two loads, some > lights and some sump pumps that are connected to a controller. > > Before the pumps will operate the controller that monitors their operation > also monitors the utility voltage so that the pumps don't see too high or > low of voltage from the utility (or back up power). In normal utility mode > the controller works fine. However when the system switches to backup mode > the controller trips off. > > The voltage window for the pump controller is relatively narrow, however > I'm not sure if that is the problem. The pump(s) will surge to a maximum of > 20A at 240V for about a second and then hold between 7A-14A respectively. > Which is within the operating window of the inverter (6600w surge 25A max > continuous). > > I connected the controller load to my Eguage and logged the controllers > usage both while connected to the utility and while connected to the > battery back up. The data while connected to the utility is pretty typical > with no irregularities. However when I switch to the battery side my > logging disappears (measuring second by second and the results only show > minutes). I believe that this is due to the inverter shutting down > momentarily and then the Eguage needs to reboot. In all of the starting and > stopping of the inverter I do see that the voltage spikes to L1-149V and > L2-150V together with 299V L1&L2. > > Has anyone else encountered this problem before or something similar that > may be able to offer some advice? I had an issue once before and added a > 50mf capacitor to the line to smooth out the surge but this was for my home > experiment and not a professional installation. Any luck with power line > conditioners? Thanks in advance, > > Jon Siegenthaler > _______________________________________________ > 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 > >
_______________________________________________ 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
