I have felt for some time that inverters should have a logic control to turn them off. "Short contact A to ground to disable inverter" type of interface. If we had that, we could implement generator protection very simply.
For your application, I see these being used in 3 phase pump control systems. http://www.taylorphaseguard.com/ Let me know if you need any more information. On Tue, Sep 24, 2013 at 12:56 PM, Chris Mason <cometenergysyst...@gmail.com>wrote: > 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 >> >> >> -- Chris Mason President, Comet Systems Ltd www.cometenergysystems.com Cell: 264.235.5670 Skype: netconcepts
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