Avoid phase switching

[Ahrandje]

I'm succesfully charging with pv-surplus on a Gemini V4 (FW 59.4) on a 3 phase (16A) home grid.
However, I see a lot of phase switching, even up to 30-40 switches per day/charging session on a cloudy day.
With each phase switch (and its delay), there is a (temporary) mismatch between pv-surplus and charging power.
This makes me wonder, why do we need to switch at all ?
The (AC) charging specs say that the minimum charge starts at 6A, but my car seems to accept any Ampere you supply it.
Is there a way to overule this switching (permanent on 3 phase) + start charging from a (much) lower power, even like e.g. 200Watt ?