Maybe it's time for a change of thinking in the resi market. People who consider PV and can't have it used for backup get disenfranchised quickly.
On Wed, Jun 2, 2021, 3:52 PM Jeff Clearwater <je...@villagepowerdesign.com> wrote: > As Jay says SMA has the Fuel Save Controller for large PV to Diesel hybrid > systems - with or without batteries. > > > https://www.sma.de/en/industrial-systems/fuel-save-solution-for-hybrid-systems.html > > So no reason it can't be done on a smaller scale. > > Best, > > Jeff > Village Power Design > > Jason Szumlanski <ja...@floridasolardesigngroup.com> > June 1, 2021 at 3:51 AM > I'm wondering why this isn't more common and better documented. We are > getting a lot of requests for solar to reduce generator fuel usage with PV > in smaller residential settings. > > I just came across this solution from Fronius: > https://www.fronius.com/en/solar-energy/installers-partners/products-solutions/offgrid-backup/pv-genset-saving-fuels-with-photovoltaics. > <https://mailtrack.io/trace/link/7c491c267a60aecbda5c36da8e23e64a94576133?url=https%3A%2F%2Fwww.fronius.com%2Fen%2Fsolar-energy%2Finstallers-partners%2Fproducts-solutions%2Foffgrid-backup%2Fpv-genset-saving-fuels-with-photovoltaics.&userId=1613865&signature=86c145b44a7c38ec> > > Jason Szumlanski > Florida Solar Design Group > > > > > > > _______________________________________________ > 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 > > Jay <jay.pe...@gmail.com> > May 25, 2021 at 4:16 PM > Installing PV/inverters to a generator is a common practice. > One must make sure you don’t ever have more PV/inverter than load to > prevent either generator damage or shut down. > > I worked on a big project that did actually shut the generator down, it > tried to run backwards as the PV power exceeded the load. Didn’t damage the > generator, 125kw. > > The main reason is to reduce fuel burn, but how how it is reduced has a > number of variables: age, fuel type, size, where in the power band it’s > operating , and if a larger newer diesel ( they have a very different fuel > burn curve than older ones are which works very well with solar). > > SMA and others have full packages that communicate with the generator for > really large systems like mines etc. > > Not knowing the size/type of the PV/generator and the variables, hard to > say if there would be much fuel savings. > > Jay > > > > > > _______________________________________________ > 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 > > Jerry Shafer <jerrysgarag...@gmail.com> > May 25, 2021 at 9:28 AM > Not kidding, but not in reference of wildfires either. Installing > inverters directly connected to the gennys is in the past lead to smoke. > Jerry > > > > _______________________________________________ > 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 > >
_______________________________________________ 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
