SolarEdge makes an optimizer / inverter system. We just installed one. Our clients are happy. So are we.
Don't know if you can AC couple the inverter. Their website says they are about to release a version of the optimizer that will work with other manufacturer's inverters. Dick Ratico Solarwind Electric --- You wrote: On 6/5/2013 3:33 PM, SunHarvest wrote: > Just an FYI for anyone wanting to use Tigo optimizers with SMA > inverters incorporating AFCI - > According to SMA the Tigo optimizers will not operate with the SMA > inverters. They didn't go into detail. They just said the AFCI feature > of the Sunny Boy is not compatible with Tigo. After further discussion > they acknowledged that disabling the AFCI feature in the Sunny Boy > would allow compatibility with the Tigo optimizer. Awesome. > After talking this over with Tigo they came to the same conclusion but > neither company seemed too happy or confident in the marriage. Awesome. > Eric Stikes > SunHarvest > > ----- Original Message ----- > * > > Wrenches, > Here's an update on this configuration (20kW Enphase, AC coupled to > Sunny Islands) you should know about: > > Enphase will not support and warranty the use of their micro inverters > in an AC-coupled installation with battery-based inverters. Enphase > approved this verbally with us in design, but balked when we asked > them to back it up in writing. Their issue/point is that AC-coupling > violates the UL1741 listing. > > Thus, we're revising the design to use Sunny Boy string inverters. Our > customer would still like the module-level monitoring and optimization > offered by the micro-inverters (there is some shading issue), so we're > considering using string optimizers. We have not used string- > optimization, yet. It looks like the leading options are Solar Magic > and Tigo. > > Any preferences, cautions, or advice with choosing and using > optimizers would be appreciated. > > Thanks, > > -Kelly > > Kelly Keilwitz, P.E. > --- end of quote --- _______________________________________________ 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
