It depends on the inverter kw output vs the generator kw. Solaredge recommends the generator peak / inverter peak kw ratio be above a certain ratio. You definitely don't want that ratio to be less than 1. I'll have to look up in my notes what that ratio is. The rationale is in my notes also.
Kirk Herander VSE Sent from a job site somewhere > On Oct 20, 2015, at 12:01 PM, Howie Michaelson <[email protected]> wrote: > > Does anyone think that there is no issue with having enphase potentially > backfeeding a backup generator? We almost always will tie in upstream of a > generator transfer switch, but a competitor is telling clients with an > enphase system there is no concern. Am I missing something? > > Thanks, > Howie > Howie Michaelson > NABCEP Certified Solar PV Installer™ > > Catamount Solar > Renewable Energy Systems Sales and Service > VT Solar Electric Incentive Partner > http://www.CatamountSolar.com > 802-272-0004 > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/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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