fusible link questions

Clarence L.Snyder clare.snyder.on.ca at ibm.net
Sat Feb 6 04:45:12 GMT 1999


Raymond C Drouillard wrote:
> 
> On Thu, 04 Feb 1999 20:29:48 -0500 "David A. Cooley"
> <n5xmt at bellsouth.net> writes:
> >At 05:56 PM 2/4/99 -0700, you wrote:
> >>
> >>OK--so who's gonna be the first to suggest building a device to limit
> the
> >>charging rate of the battery (and to correct charging voltage (to the
> >>battery only) for battery temperature, while we're at it??
> >
> >Chrysler!
> >
> >On my 95 neon there was a battery temp sensor and the PCM controlled the
> >alternator.
> >Charging voltage varied with temp.
> 
> The alternater in my '89 Jeep Grand Wagoneer senses the ambient
> temperature and adjusts the voltage accordingly.  I'm not sure when Jeep
> started using that design.
> 
> I believe that the newer batteries are more tolerant of high charging
> current.  That may be why the electronic regulaters don't bother limiting
> output current.  I suspect that the main reason is that the accessories
> in a modern car draw so much current.
> 
> Ray
> 
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Temperature compensation of voltage regulators has been a fact of life
for at least 30 years.Even many of the old mechanical regulators on DC
generators were temperature compensated. This was accomplished by using
a bi-metal armature hinge on the voltage regulator unit.



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