I have done the same thing but my micro inverters are too old of models and do not support ramp up and down.. they just blast power out
and so in this case I just let the solark control them they either on or off based on SOC of batt bank.
Yeah unfortunately Schneider would not replace my SW units with XW units and I had to sell them independently and buy something different.. do not use them in stacked config they will blow up.. even though the manual shipped with he unit says it will work they did an amendment to a year ago...
did you ever find a solution to this I have seen this also myself and your correct about the solar pv production peaking I lay blame on an underground PV wire leaking DC into the ground and coming back into the system ?