Would'nt DC voltage cause electrolysis of some kind
to happen ? Especially in some humid tropical country.


----- Original Message -----
From: "Gordon Varney (personal)" <varney@CLAS.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, July 16, 2001 10:05 PM
Subject: Re: [OT]: The 12 Volt Home


> No, actually 42V is correct........ The terminology is stupid.
>
> when we speak of 12 volts we really mean 13.8Vdc,
> When we speak of 24 volts we really mean 27.6Vdc,
> When we speak of 36 volts we really mean 41.4Vdc,
> When we speak of 48 volts we really mean 55.2Vdc,
> These voltages apply during charging and anything to within 20% less is
acceptable.
>
> Please note the 36 volt section is really 41.4V or 42 volts rounded off.
Yes, folks the new electrical systems will be
> a 36 volt battery.  However, the auto manufactures did not want to go with
anything standard, so they invented there own
> batteries, connectors, and converters, and lets call it 42 volts not to be
confused with the old 36 volts already out
> there.
>
> Solar homes use 48V and 24V systems all the time. They convert to 12V for
the appliance or actual application.  Bus the
> house at lets say 24 Vdc and use small switching regulators at 90-95%
efficiency at each light or fan. There is a slew
> of camping gear and solar equipment made for just this application.
>
>
> Search under solar homes and you will find that there are many homes
running off solar or wind with no dependencies on
> the mains.
>
> We manufacture a full line of converters for just this application.
>
>
> Gordon Varney
>
>
>
>
> > Ummm, don't you mean 48 volts??
> >
> > I see lots of DC homes on the 48v dc standard,
> > and you can get 48v fridges, lights, etc.
> > -Roman
> >
> >
> > Chris Carr wrote:
> > >
> > > As the Lifestyle supplements in your Sunday Newspapers would Say
> > >
> > > 42 volts is the new 12 volts **
> > >
> > > Also I am surprised that no-one has pointed out that the reason a
computer
> > > generates heat is not because of an inefficient SMPS but because the
> > > majority of electricity it consumes gets converted to heat by the CPU,
> > > Graphics Processor etc. If you wish to reduce heat generation first
get rid
> > > of the CRT monitor and replace it with a LCD (it also has the benefit
of
> > > releasing bench space for more clutter, sorry..... I mean work in
progress
> > > 8-)   )
> > >
> > > ** If the reference to 42 volts is too cryptic, auto manufacturers are
now
> > > moving onto 42 volts to reduce vehicle weight and electrical losses
> >
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