Good idea to buy powerful 12V power supplier. ;)
At least you will have all you need locally in
the room you are working on electronic stuff.

Looks unnecessary to rewire all house for that.

WBR Dmitry.


Ghetto Scientist wrote:
>
> For sometime I've been thinking about the merits of wiring a house with a
> low voltage bus (12 volts).
>
> There are a number of reasons I think this could be beneficial.  First I
> really don't like the switching power supplies in PCs.  They are noisy not to
> mention the fact that they seem to go bad on a semi-regular basis and when you
> put a few of them in one room they generate a nontrivial amount of heat.  If
> I wired my house for 12 volts I could run a PCs off a simple voltage
> regulator / DC-DC converter.  Another benefit would be small power supplies for
> embedded systems (home automation components) are much smaller when the primary is
> only 12 volts as apposed to 110 volts.   Once white LEDs come down in price
> they could replace the [hot, inefficient] incandescent lights currently in
> use.  Also I could build a big UPS for all low voltage items in my house.
>
> Another reason I am interested in low voltage home systems is I have often
> though of living "off the [power] grid".  12 volt systems would largely
> eliminate the need for expensive power inverters.
>
> What I am wondering is what would be the best (most efficient) method of
> stepping down enough power from line voltage to 12 volts?  Would a "simple" wire
> wound transformer due?   Maybe a switching power supply.
>
> Sorry for the odd questions, I know next to nothing about power conversion.
>
> --adam
>
> --
> Sent through GMX FreeMail - http://www.gmx.net
>
> --
> http://www.piclist.com#nomail Going offline? Don't AutoReply us!
> email listserv@mitvma.mit.edu with SET PICList DIGEST in the body

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu