question

palom170 avatar image
palom170 asked

Why is the Multiplus II frequency changing before the battery is full?

Good morning, I have a fronius connected to accept out 1 on victron multiplus II, I am checking how it runs without public grid, but I realize I have solar power, but the victron increases the frequency an the battery is not full. What could be the reason? Thanks in advance

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AC PV CouplingFronius
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2 Answers
Vangelis Beligiannis avatar image
Vangelis Beligiannis answered ·

Are your batteries lithium controled by BMS? Is the Fronius set on MG50 or MG60?

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palom170 avatar image
palom170 answered ·

Thanks for your answer, I fixed the problem, the battery was almost full, but the soc was inaccurate. Thank for your help.

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holumiedey avatar image holumiedey commented ·

Kindly explain how you fixed this, with the inaccurate SOC. I'm currently facing the same issue

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