North American Network Operators Group
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Re: DC power versus AC power

  • From: Stephen Sprunk
  • Date: Sun Dec 29 22:25:48 2002 
Thus spake "Wayne Bogan" <[email protected]>
>
> For those AC only powered units, you can also purchase an invertor for DC
to
> AC conversion.  You would then have the advantages of DC for your AC
> equipment.  This does, however, add the potential of another point of
> failure such as fuses or breakers in the invertor.

Well, that's how AC UPS's work -- just beware what percentage of the input
current is lost in the conversion from DC to AC, plus what is lost
converting from AC back to DC inside the equipment.  Much simpler to specify
DC equipment to begin with if you really care about availability.

S