Hi, Mechanix~ I asked a Greentech location about quantity four Fronius string inverter PRIMO 6.0-1. (6kW AC output, single phase 240 volt 60 hz) This p/n is in the Greentech portal but my particular branch hasn't done much with Fronius. Today the branch manager told me "Fronius no longer exists."
Can any of you confirm or correct this report? I have an off-grid opportunity for which I wish to AC couple some of the PV. If Fronius USA has indeed "left the building", are there other string inverters that can be selected for country code "off grid 60 hz"? I'd like for the PV inverters to only curtail their output wattage if there's a frequency shift from the grid forming inverter (frequency/watt). Schneider XW Pro units would be forming the grid. Schneider has a white paper # 990-6421 on AC coupling but this document is almost three years old & no help at all in finding compatible PV inverters. Rapid shutdown is not mandated for this gig & each array would be evenly illuminated. IIRC, the List hasn't been highly enamored with SolarEdge in recent years; is that still the consensus? Thanks as always; the Wrench List is the Bomb! Mick Abraham, Proprietor www.abrahamsolar.com Landline: 970-731-4675 Cell phone or for text messaging: 970-946-6584 ᐧ
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