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  • #24149
    Sedanni Giuseppe
    Participant

    Salve, we are talking about photovoltaics:
    wanting to charge an additional bank of lithium lifepo4 batteries, gives 280 ah, which have the characteristic of having low resistance and in the charging phase require a very high amperage, I needed a current limiter, to make the new battery bank only draw a little current in + which is not used by the house, and is accumulated in the new battery bank, since it is an island plant.

    tramite un dry contact, which goes to a power relay, I would start the charge, but I would need an adjustable electronic circuit in which I decide how much current to carry to the lithium batteries,…… otherwise the overload of the lithium bank, it messes up the energy flow of the gel battery bank(lead) that feed my house.

    therefore a regulation from zero to type 50A of a context of 24v dc would be needed.

    Does anyone have simple circuits that I can make myself from a novice electronics assembler?

    Thank you

    #24168
    Amilcare
    Keymaster

    I answered you in the comment to the article
    However, to do something simple, I would have thought of using a hall effect current sensor
    https://www.ebay.it/itm/173313289894?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=1GDl_DeMSKe&sssrc=2349624&ssuid=9fbQmSm5Sdq&var=&widget_ver=artemis&media=COPY

    • This reply was modified 2 months ago by Amilcare.
    • This reply was modified 2 months ago by Amilcare.
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