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Re my #19: I have contradicted myself about the use of voltage to confirm Solax power output from each of its phases. Don't use a multimeter - instead look at the Solax readings for power output for each phase (probably labelled R, S and T). Be careful only to have a few low power loads on L2 and L3 - say lighting - so that the total power for L1, L2 and L3 is less than the prevailing harvest of sunshine. L1 of course is supplemented by the PowerWall.
I think you can see now why the Solax phase power outputs are unlikely to be the same - what is output depends on the single phase loads connected to L1, L2 and L3 at the time - and for L1 only the amount of energy being stored in or output from the PowerWall -, PV power input and the amount of grid power imported/exported. Similarly for the SMET energy meter.
PS: Units.... kW = Power and kWh = Energy
I think you can see now why the Solax phase power outputs are unlikely to be the same - what is output depends on the single phase loads connected to L1, L2 and L3 at the time - and for L1 only the amount of energy being stored in or output from the PowerWall -, PV power input and the amount of grid power imported/exported. Similarly for the SMET energy meter.
PS: Units.... kW = Power and kWh = Energy
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