more amps

[vabroker1]

I found the site helpful.

http://www.prestolite.com/literature/tec...e_size.pdf



--- In WanderlodgeForum@yahoogroups.com, "one_dusty_hoot"
wrote:
> Jay,
> I certainly don't want to frost anyone's flakes, or fry anyone's
> alternator ;>) however, replacing the wire from the alternator to
> the shunt you mentioned with 4-0, or, any other wire could cause
> your coach to go up in smoke!
>
> I am not an expert, never have been, never will be, but chances are
> you have a "fuse link" from the alternator to the terminal point
> which acts as current limiter for the alternator.
>
> An alternator as the word implies, puts out an Alternating Current
> (AC) voltage as it is rotated. Slip rings carry this voltage to a
> rectifier bridge which filters the AC voltage into DC voltage using
> diodes.
>
> Output votltage of the alternator is maintained by an internal
> rectifier which atempts to steady the output at around 14.5 volts.
>
> The rated output of the alternator is dependant on the total
> components, which include, windings, armature, diodes, and other
> components to a maximun safe peak operating load.
>
> Because the alternator is rated at 320, 160, or, how many Amps,is
> dependant on the load and doesn't mean that a say 320A. alternator
> will put out 320 Amps, rather, that it "is" capable of delivering
> this much if called upon to do so.
>
> A battery will only charge as fast as the hydrogen ions will move
> from plate to plate when a "potential" (the 14.5V from the
> alternator) is connected to the positive and negative terminals.
>
> If say, the batteries were at 12 Volts, and, voltage from the
> alternator of 14.5 Volts was attached to the terminals, the maximum
> amount of current the alternator would produce is that required to
> bring the charging batteries to 14.5 Volts, this happens regardless
> of what capability you alternator is rated.
>
> This would be the same current no matter what the rating of the
> alternator being it 320, 160, or 40. Your old 160 and the replaced
> 320 will output the same current no difference.
>
> Now, if you have a large load requiring a lot of current connected
> to the batteries where moving to a new page, another animal.
>
> I once had a 100 watt linear amplifier connected to a CB. Every time
> I keyed the mike the belts would squeal even if they were new and
> tensioned correctly.
>
> I would hate to see you, or anyone else, have a fire by overloading
> the alternator, or, burn the belts off in a remote location and
that
> is the reason for responding in this long post.
>
> I really didn't understand why the meter was reading 150 Amps,
> unless of course you have one heck of a load attached to the
> batteries, current that is going elsewhere and is not battery
> charging current.
>
> Bob Janes
> 77FC31
> Greenville, SC
>
>
>
>
>
>
>
>
> --- In WanderlodgeForum@yahoogroups.com, "dandarst"
> wrote:
> > Jay and I just removed the 160 amp and installed a 320 amp Leece
> > Neville alternator. Anybody know what trouble I would be asking
> for
> > with this change? Have not been out on the road yet, but spun it
> in
> > the drive way. Gauge only goes to 150 amps and got all of that.
> > Probably need to watch the belts. Will this cook the Trojans?
> >
> > Thanks.
> > dandarst86fc35rbhuntleyil.