The outback system comes programmed to allow greater frequency variation on the generator input.
On Sat, Jun 17, 2017 at 10:16 AM, Drake < drake.chamber...@redwoodalliance.org> wrote: > Also, very significantly, the SMA Sunny Boy / Sunny Island combos will > taper charge when set up correctly. > > Drake > > At 09:53 AM 6/17/2017, you wrote: > >  > August > > Have used both SMA and OutBack inverters for this application. One > challenge with the smaller generators is getting a true 60 hertz, they > fluctuate. The Sunny Boy can be programmed to operate at a lower hertz > range if SMA will share the "secret code ". Recently did a Outback system > and the customer had a Propane fired Briggs and Stratton gen set, two wire > start, works great. I understand why you want to use the matching SMA's. > > Have fun > peter > ----- Original Message ----- > From: August Goers <aug...@luminalt.com> > To: RE-wrenches <re-wrenches@lists.re-wrenches.org> > Sent: Thursday, June 15, 2017 12:02 PM > Subject: [RE-wrenches] Generator choice for Sunny Island > > Hi Wrenches, especially those of you who work on off-grid projects, > > > > We have an upcoming off-grid project where we will be powering a storage > container with electronics in it. The loads are mostly 120 volt but there > is a 240 volt heat pump that might occasionally run. We’re AC coupling > the Sunny Island with a Sunny Boy PV inverter. So, we’ll be installing a > Outback PSX-240 autoformer to bump the Sunny Island’s output from 120 to > 240 volt. > > > > We need to select a generator for backup. We need a two-wire electric > start (in order to be controlled by the Sunny Island) and preferably a > generator that is okay just running 120 volt loads since the Sunny Islands > input is only 120 volt. Something in the 3 kVA -7 kVA range should be fine. > > > > Does anyone have experience or ideas about what kind of two-wire start > generator we might select? > > > > Thanks, > > > > August > > Luminalt > > > > > > ------------------------------ > _______________________________________________ > 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 > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=icon> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=link> > <#m_-3977108125209203095_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > _______________________________________________ > 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 > > > -- Chris Mason NABCEP Certified Solar PV Installer™ Solar Design Engineer Generac Generators Industrial technician www.cometsolar.com <http://www.cometenergysystems.com> 264.235.5670 869.662.5670 Skype: netconcepts
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