ETRI Journal

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Highly Power-Efficient Rack-Level DC Power Architecture Combined with Node-Level DC UPS

  • Kwon, Won-Ok (Software Research Laboratory, ETRI) ;
  • Seo, Hae-Moon (Department of Electrical Engineering, Kyungpook National University) ;
  • Choi, Pyung (Department of Electrical Engineering, Kyungpook National University)
  • Received : 2010.08.09
  • Accepted : 2010.11.02
  • Published : 2011.08.30
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Abstract

This letter presents a highly efficient rack-level DC power architecture combined with a node-level DC uninterruptible power supply (UPS). The proposed system can provide almost the equivalent power efficiency of a high-voltage DC data center without any change in the existing power infrastructure. The node-level DC UPS combined with a power distribution board provides high power efficiency as well as lower UPS installation costs. Implemented on a rack, the entire power system can be monitored through a network.

Keywords

References

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Cited by

  1. The Design of Marine 24 V DC Uninterruptible Power Supply vol.536, pp.None, 2014, https://doi.org/10.4028/www.scientific.net/amm.536-537.1537