Next message: Mike Brasler: "lv-ab: good article"
In a conventional submarine, that is diesel-electric, there is no such thing
as as house bank and an engine bank. There is one bank, and you look after
it like your life depends on it, actually it does! in an emergency, the
battery can be connected in series, halving the capacity but raising the
voltage.
The battery of a typical hunter-killer conventional (non nuc) sub, is 80 2
volt cells in series, forming one battery, and another 80 2 volt cells
forming another. The DC voltage is therefore 160 volts, and the capacity of
each cell and the whole battery is 9600A/h at 20 hr rating. When the
batteries reach 50% capacity, and it is impossible to surface or snort, the
batteries can be put into series, doubling the voltage, but halving the
capacity, hopefully the enemy has left by the time you need to run the gens
again.
>Another way to get the benefit of the energy of
>multiple batteries would be to use the energy from
>each battery one at a time. Use battery #1, then when
>it needs recharging, switch to battery 2, and recharge
>battery 1 whenever you can. Continue on through the
>bank to 3 and 4, recharging each previous one as soon
>as possible.
>
>This would be a real pain unless the process could be
>automated somehow. Has anyone heard of a system like
>this?
>
>Dick
>
>
>
>
>
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