Real simple. A contactor with a phase loss detector gadget. Chris Mason Comet Systems Anguilla (264) 235-5670 St. Kitts (869) 662-5670 skype netconcepts
NABCEP Certified Solar PV Installer™ Renewable Energy Systems professional Generac Generators Factory technician On Sep 24, 2013 11:12 AM, "Karl Jaeger" <kjae...@lightwavesolar.com> wrote: > Greetings Esteemed Wrenches,**** > > We are building a 35.75kW project with (6) Power One 6000’s. The service > is a 240 delta. The utility is requiring (late in the game) that if one leg > of the service is lost, all inverters must shut down. Of course, we have > two inverters that do not shut down in that circumstance because they are > only tied into the other two phases. SMA has a good (cheap) option to deal > with this, SMA Power Balancers. With other inverters this can be > accomplished by installing an ATS with an integrated controller by > programming in the unacceptable phase imbalance (expensive). Does anyone > have experience with this requirement and/or have a good (cheaper) solution? > **** > > Thank you in advance!**** > > ** ** > > Karl Jaeger**** > > LightWave Solar **** > > Nashville, TN**** > > ** ** > > ** ** > > ** ** > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > >
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