We use 12 volt systems because we already have 12 volt power present for
other equipment in our applications. Previously, we used a UPS or
battery powered inverter system that ran on --- 12 volts. We decided to
"remove the middleman" so to speak. This gives us a number of battery
charging options and makes the whole system more efficient then
converting the power back and forth 2 or three times, besides saving to
cost and space of the additional equipment.
The Via boards and processors running CentOS have been reliable and draw
a reasonable amount of power for what they are doing. This may not be
the best solution for heavy-duty computing, but in our medium-duty
application which involves mostly system management and media conversion
using codecs they do just fine.
-Ben
jim wrote:
12VDC is appropriate for places that don't have
other electrical supplies. these places include
automobiles and boats as well as remote regions
that use windmills, creekmills, solar panels,
car batteries, and deep discharge gel batteries,
possibly in a mix. typically there's noise and
variant voltage levels above the nominal 12VDC;
any system should be designed to work with spikes,
noise, and higher voltages--most are as a matter
of course.
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