question

Jesus Mazo avatar image

is it possible to run a 1Ph PV inverter in frequency shifting on a 3Ph Victron Quattro system?

Hi.

I have got an off-grid 3Ph 400V system comprised by 3x 15kVA Quattros and would like to install a Fronius 1ph Galvo PV inverter. Is this possible through the PV inverter support assistant? or mustit be a 3ph pv inverter?

Also, taking into account that for physicals reasons, there can not be modbus communication between the Fronius and the GX device, the system should work autonomously in frequency response.





AC PV Couplingfrequencyfronius and victronfronius off-grid
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Paul B avatar image
Paul B answered ·

yes you can, you can even run 3 x single phase grid tie units it really makes no diferance to the grid tie units, I have not use the Fronius units.

keep in mind that you will end up with a unbalanced 3 phase load on you incoming grid and even just on phase exporting.

if its a generator system then I dont know how the gen will like the unbalanced load

Its not recommended by victron through

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Thanks Paul. We have got a PLC controlling the system and we are adding some control safety layers of logics to prevent back-feeding, we will definitely have your feedback in mind