MultiRS Solar 3 phases PV only

I want to build a setup of 3x MultiRS Solar in PV-only mode. How does/can this setup ensure an even distribution across the 3 phases when feeding back into the grid?

And which Victron components do I need for this setup except the MultiRS it self.

It should be as even as production is (and grid voltage etc.)

A grid meter and maybe a GX would be a nice addition but technically not necessary if you don’t need and control.

But for example the following situation:

RS1 produce 2000W

RS2 produce 1000W

RS3 produce 600W

What will happen as export to the grid:

L1/2000 L2/1000 L3/600

or

L1/1200 L2/1200 L3/1200

I don’t think you can have “PV inverter only” together with 3-phase.
Each device is working on it’s own.

I think you mean by sharing the power over the 48VDC connections?

I would expect the 48V DC/DC converter to be powered off in PV inverter mode, but cant confirm

What each pv inverter produces it will export.
There is no way to ‘phase balance’