Infrastructure Management White Papers

A Quantitative Comparison of High Efficiency AC vs. DC Power Distribution for Data Centers

Overview This paper presents a detailed quantitative efficiency comparison between the most efficient DC and AC power distribution methods, including an analysis of the effects of power distribution efficiency on the cooling power requirement and on total electrical consumption. The latest high efficiency AC and DC power distribution architectures are shown to have virtually the same efficiency, suggesting that a move to a DC-based architecture is unwarranted on the basis of efficiency.

Further White Paper Details
PublisherAmerican Power Conversion (APC) File FormatPDF
Date PublishedNovember 2007
FormatWhite Papers   
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