question

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zain asked

VRM portal downloaded data

I was going through the data I downloaded from the VRM portal of my system. I noticed that the output power of one phase of the VE.Bus system was different than what I calculated.

1689844148639.png

I have a three-phase supply so my line voltage is around 400V. each phase gets around 230V. When I calculate it, I use the formula P = V x I x PF. PF I take as 0.8.

So for example, I do, 253.8 x 0.6 x 0.8 = 121.824. But the Output power given here is 111.

So, what am I missing in the calculations? How is this data being calculated? I am sure that the output voltage phase 1 is a phase voltage and that phase current and line current are equal.

What am I missing? Is my knowledge incorrect? Please help me out here.

@Guy Stewart (Victron Community Manager) please help me out

VRM
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