I've got 3 x 10 kVA Quattros set up for a 3 phase AC load.
The primary generating source is a 48 V DC Hybrid Generator and lithium battery system connected to the Quattros at 48V DC.
There is a intermittent AC mains resource that I'd like to utilise to charge to batteries or feed the load when available, the AC connection is in single phase. At the moment, the AC-in connection is wired up at 3 phase with 1 phase connected to each of the Quattro AC-in-1 connections.
Can I connect a single phase AC-in even though AC out in 3 phase ?
Should it just be connected to 1 phase only ? i.e. 1 quattro AC-in connection or should I parallel the AC-in across 3 Quattros ?