Replacing ABB commercial inverters

[Zee]

Here's the latest Daily Puzzle:

What inverter or inverters would you replace 3 @ ABB TRIO (turned FIMER), 27.6 kW, 480VAC inverters with?

5 strings per INV.
from placard:
297 SolarWorld 280 W panels
(83.16 kW DC)
"MAX DCV: 959V
MAX AMPS per string: 9.3A"
Installed 2015.

No RSD.

all 3 INVs on a rooftop wall , so prefer no xfrmr.

 

[Zee]

Oh and the servce is 3 phase, 480 VAC DELTA NO NEUTRAL.

 

[electrofelon]

Oh and the servce is 3 phase, 480 VAC DELTA NO NEUTRAL.

Is it grounded or ungrounded?

 

[electrofelon]

Irregardless (not a real word) of the grounding arrangement (if any) I think you'll have a hard time finding an inverter that can connect to anything other than a grounded wye. The only one I'm aware of is solar edge, but I'm guessing you don't want to add optimizers to everything.