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Thread: Charge 8*200ah AGM batteries

  1. #1

    Question Charge 8*200ah AGM batteries

    dears

    this is my big plan for Bedini ssg that i will start to built so i need help .

    i have 8 Norhtstar batteries 200ah AGM and 1 solar panel 275w but actual max out is 170w in the best condition and daily charge near 100amp

    i need to add 1 extra 100ah battery only to be charged by solar and to be the Trigger battery and to charge the other 8 batteries from it.

    my daily use is 500w/h near 20 amps/h because i an using 24v system

    so what is the best plain can i make
    how many coils?
    how many wires in the coils?

    please note my magnets are N52
    14 PCS 5CM*2CM*1CM
    also i have other 20 round n52 3cm*0.4cm

    thanks

  2. #2
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by aymantamim View Post
    dears

    this is my big plan for Bedini ssg that i will start to built so i need help .

    i have 8 Norhtstar batteries 200ah AGM and 1 solar panel 275w but actual max out is 170w in the best condition and daily charge near 100amp

    i need to add 1 extra 100ah battery only to be charged by solar and to be the Trigger battery and to charge the other 8 batteries from it.

    my daily use is 500w/h near 20 amps/h because i an using 24v system

    so what is the best plain can i make
    how many coils?
    how many wires in the coils?

    please note my magnets are N52
    14 PCS 5CM*2CM*1CM
    also i have other 20 round n52 3cm*0.4cm

    thanks
    Hi,
    You can use the 'Branch Currents' to feed the 8 batteries to be charged from one source a battery of equal capacity. (200Ah)
    you may use a single coil with 40+1 strand (18 awg) approach for this. Going Multi-coils mode have their own idiosyncrasy in terms of tunning them to perfection, Hence suggest you to start with a single coil and multi-strand mode.
    Series connect all the 40-strands before feeding them to a paralled set of 40 transistor(you will need 40# MJL21194) at their Collector.
    there are other methods which need to be explored for the branch current.
    let us know how it goes.
    Rgds,
    Faraday88.
    ‘Mass is the Spatial density of Matter (Particle) and the Temporal Intensity of Space (Field)’.

  3. #3
    Quote Originally Posted by Faraday88 View Post
    Hi,
    you may use a single coil with 40+1 strand (18 awg) approach for this..
    Dear

    thanks for your replay
    but do you think that 41(18 awg) is very very big coil
    every on of the 41 must be 130 feet ??
    or it can be less then that?

    thanks

  4. #4
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by aymantamim View Post
    Dear

    thanks for your replay
    but do you think that 41(18 awg) is very very big coil
    every on of the 41 must be 130 feet ??
    or it can be less then that?

    thanks
    Hi,
    Yes the 130 feet is a ball park length for a 23# gauge wire, with increasing wire Thickness (lower gauge number) the length must be increased. You may alternatively go for 80+1 strands using 23# gauge.
    Rgds,
    Faraday88.
    ‘Mass is the Spatial density of Matter (Particle) and the Temporal Intensity of Space (Field)’.

  5. #5
    dear Faraday88
    do you have any picture for a coil with 80 or 40 wires

  6. #6
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by aymantamim View Post
    dear Faraday88
    do you have any picture for a coil with 80 or 40 wires
    Hi,
    Unfortunately I have never built that big SSG so far you can find a picture of it built by others here just look for 81 coiler Solid-State by Nityesh or by John Koorn here.
    Rgds,
    Faraday88.
    ‘Mass is the Spatial density of Matter (Particle) and the Temporal Intensity of Space (Field)’.

  7. #7
    Quote Originally Posted by Faraday88 View Post
    Hi,
    Unfortunately I have never built that big SSG so far you can find a picture of it built by others here just look for 81 coiler Solid-State by Nityesh or by John Koorn here.
    Rgds,
    Faraday88.

    for my first test
    i make my first coil with 3 wires 0.7 mm and 1 wire 0.5 mm every wire 60meters
    the 0.5mm wire 60meters have 6.5 ohms
    the 0.7mm wire 60meters have 5.5 ohms
    all the 4 wires weight 560 grams

    i have not put any thing inside the coil core because i will use n52 it is very strong not like the ferret magnet
    (is that ok??)

    i forget to count how many turns

    is that ok to start? or the ohms are high and i have to reduce them to 39.6 meters (130 feet) ?

    thanks
    Last edited by aymantamim; 05-12-2019 at 01:47 PM.

  8. #8
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by aymantamim View Post
    for my first test
    i make my first coil with 3 wires 0.7 mm and 1 wire 0.5 mm every wire 60meters
    the 0.5mm wire 60meters have 6.5 ohms
    the 0.7mm wire 60meters have 5.5 ohms
    all the 4 wires weight 560 grams

    i have not put any thing inside the coil core because i will use n52 it is very strong not like the ferret magnet
    (is that ok??)

    i forget to count how many turns

    is that ok to start? or the ohms are high and i have to reduce them to 39.6 meters (130 feet) ?

    thanks
    Hi,
    That's right reduced it to 40 meters(130feet) for that size of the wire. and yes that ferromagnetic core would do as long as it doesn't retain magnetism.
    for the size of spool generally referred to, your number of turns would be around 375 -450 numbers.
    Rgds,
    Faraday88.
    ‘Mass is the Spatial density of Matter (Particle) and the Temporal Intensity of Space (Field)’.

  9. #9
    is there is a way to run and charge from only 1 battery ?

  10. #10
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by aymantamim View Post
    is there is a way to run and charge from only 1 battery ?
    Yes you need to tweak your SSG. Aaron can chime in here and comment please.
    Rgds,
    Faraday88.
    ‘Mass is the Spatial density of Matter (Particle) and the Temporal Intensity of Space (Field)’.

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