Re: electrical engeeners and like minded

Posted by T_Bone on September 25, 2009 at 03:25:21 from (64.57.205.153):

In Reply to: electrical engeeners and like minded posted by wilson on September 24, 2009 at 14:44:34:

Hi Bill,

I'm going off the top of my head and that can be really dangerous. :)

It's been too many years since someone picked my brain on the

subject, so what you get may be a little rusted.

The alternator/generator output is determined by the input.

Example: 12vdc at 100amp rating = 1200w@ 2000rpm is common

By applying a 80vdc input, then you'd expect a 15a output@2000rpm

80x15=1200w so your not exceeding the rated capability of the

alternator/generator.

To make the 80vdc input, you can series low ahr battery's.

From reading about current hy-brid vehicles using NIMH battery's,

there using a 80/20% rated state of charge to yield long battery life.

Me, I can't see why all battery recharging can't use the 80/20 scheme

on dry cell battery's to yield the same results.

If this is true, then one should be able too use a common made 90vdc regulator to regulate a 80vdc battery bank state of charge.

Depending on the 90vdc regulator spec's, that's going to put you in the 100vdc range on a full state of charge battery bank.

Using a common IC555 timer circuit, you can disconnect the generator input fields at 80% or 20% thus not over charging the battery's.

The IC555 timer circuit schematics should be easy to obtain over the internet. There very easy too roll/build your own.

A good source for home brew DC electronics is the ham bible, aka the ARRL Handbook, a great one source text reference.

T_Bone

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