110 Factors That Define an Energy-Efficient Data Center
210 Factors That Define an Energy-Efficient Data Center – 1
A “green” data center is one in which the lighting/cooling, mechanical, electrical and computer systems are designed for maximum energy efficiency and minimum environmental impact.
310 Factors That Define an Energy-Efficient Data Center – 2
A green data center can run on 50 to 80 percent less power-
410 Factors That Define an Energy-Efficient Data Center – 3
An energy-efficient data center will power down its servers, lighting and cooling as often as possible when demand is low. Software is available to automate this task.
510 Factors That Define an Energy-Efficient Data Center – 4
Energy-efficient data centers use adjunct wind and solar power sources in correlation with main power sources.
610 Factors That Define an Energy-Efficient Data Center – 5
The size of a green data center is as small as possible, to maximize cooling efficiency. Construction is near-airtight; gaps that can leak large amounts of cool air are plugged.
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Catalytic converters are installed on backup generators to reduce CO2 emissions; alternative energy technologies, such as photovoltaic electrical heat pumps and evaporative cooling, are used whenever possible.
810 Factors That Define an Energy-Efficient Data Center – 7
Water cooling of servers provides long-term benefits. Chilled, circulated water or other liquid can provide 10 times the cooling that air conditioning offers.
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Location is a major consideration for a green data center. The most efficient centers are located near abundant hydroelectric power-
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Power converters are newer, adjustable units such as those made by Emerson, APC and Eaton, which are much more efficient than older, conventional models. These components take outside AC power and convert it to DC power with a minimum loss of power through excess heat.
1110 Factors That Define an Energy-Efficient Data Center – 10
An energy-efficient data center will have backup power generators (uninterrupted power supplies) that are tested at least monthly, will start immediately in an emergency, and will be able to carry the load for one to three days in the event of a prolonged outage. These generators should be powered by natural gas.
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