Dear Wrenches, We too are having issues with sma sunnyboy storage sbs6.0 I would like to discuss with anyone off line. Vic Guillot solsier...@gmail.com
Vic Guillot Sol Sierra, Inc. 209.795.3554 office 209.768.3560 mobile/text On Fri, Jul 10, 2020 at 11:56 AM <scot.a...@solarcentex.com> wrote: > We have a design with Sunny Storage 6.0 inverter, SB 6.0 PV inverter, the > SMA Automatic Backup Unit, and three LG Resu batteries. Works like a charm > during normal grid ops but when it goes into backup ops, the Sunny Storage > increases frequency to between 60.6 with blips up to 61 hertz, resulting in > the PV inverter throttling back from 5,000+ watts to between 1,300 to 345 > watts. > > > > The result is that the batteries do not recharge from the PV during backup > mode, even when SoC is less than half capacity. This also means the max > power through the ABU to the “whole house backup” is the 6,000 watts from > the Sunny Storage plus the (very) retarded power output of the SB PV > inverter. > > > > SMA tech support just said, “that is normal, the LG Battery is the culprit > and does not charge from PV in this setup.” > > > > I was stunned because why else would I buy this ABU coupling setup…Anybody > have any ideas? I’m hoping the Sunny Storage freq shifting ramp-up > parameters can be adjusted so that PV inverter operations continue when the > battery is at a less than full SoC. > > > > > _______________________________________________ > 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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