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Low volt capture

Discussion in 'Electronic Basics' started by richard cross, Jan 9, 2004.

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  1. Hello
    I have a wind generator which charges into 12 volt batteries.When there is low
    wind but I see up to 11 volts on my meter being generated but no charging
    I want to use these wasted volts/amps.I beleive that capacitors and/or
    a transformer are used to do this.I would be happy to see the battery being
    pulsed as beleive this is good for them.Can anybody help with a circuit and
    Cap values etc.
    Thankyou Richard
  2. You could accumulate the low votlage DC in a big capacitor, (Farads!)
    and use a Boost DC-DC converter up to 13.8 Volts.
    The system inherently pulses.
    I tried this with solar PV panels. (early morning, late evening.)
    The energy available in low wind conditions is not worth the effort,
    but it's an interesting exercise.
    Why are you thanking Richard? :)

    | __O Thomas C. Sefranek
    |_-\<,_ Amateur Radio Operator: WA1RHP
    (*)/ (*) Bicycle mobile on 145.41, 448.625 MHz
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