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Schneider Electric - Making large UPS systems more efficient
Schneider Electric

Schneider Electric - Making large UPS systems more efficient

Schneider Electric

Schneider Electric - Making large UPS systems more efficient

Published: 12 July 2013 · Category: White Papers and technical guides

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Making Large UPS Systems More Efficient White Paper 108 Revision 3 by Richard L. Sawyer > Executive summary As energy resources become more scarce and more expensive, electrical efficiency is becoming a more important performance factor in the specification and selection of large UPS systems. There are three subtle but significant factors that can materially affect a company’s cost of operating a UPS system and particularly the electrical bill. Unfortunately, the people who specify systems often fail to recognize these factors, which leads to increased costs to the owner because operational efficiencies are not correctly considered. This paper discusses the common errors and misunderstandings in evaluating UPS efficiency. UPS efficiency curves are explained, compared, and their cost implications quantified. by Schneider Electric White Papers are now part of the Schneider Electric white paper library produced by Schneider Electric’s Data Center Science Center [email protected] Contents Click on a section to jump to it Introduction 2 UPS efficiency curve 3 Improving large UPS efficiency 7 Additional economic advantages 16 Conclusion 17 Resources 18 Appendix 19 Making Large UPS Systems More Efficient Introduction The traditional approach to the specification and selection of UPS systems has focused almost solely on system reliability, as represented by the mean time between failure (MTBF) provided by manufacturers and consulting engineers. Two issues are now conspiring...

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