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ABB, the leading power and
automation technology
group, and Green, one of the
top information and
communications technology (ITC)
service providers in Switzerland,
today announced the official
opening of Green's new Zurich-
West data center expansion based
on direct current (DC) technology.
Green's facility, which employs
HVDC-capable HP servers, is the
most powerful application of DC in
a data center to date. Performance
tests showed that Green's new
power distribution system is 10 per
cent more efficient than for
comparable alternating current
(AC) technology. In addition,
investment costs for the system
were 15 per cent lower than for an
AC system.
With the addition of almost six
million new servers every year, data
center energy demand is increasing
at a rate of more than 10 percent
annually, requiring more efficient
and reliable solutions. DC systems
are less complex than AC systems,
making fewer power conversions.
This requires as much as 25 per cent
less space, and reduces equipment,
installation, and real estate and
maintenance costs.
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