Rack-Level DC Power Solution for Volume Servers
| Autor: | Wonok Kwon, Pyung Choi, Hae-Moon Seo |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Engineering
General Computer Science Switched-mode power supply business.industry Electrical engineering Power factor Power budget Maximum power point tracking Electronic Optical and Magnetic Materials Power optimizer Electric power system AC adapter Electronic engineering Power-flow study Electrical and Electronic Engineering business |
| Zdroj: | ETRI Journal. 32:940-949 |
| ISSN: | 1225-6463 |
| Popis: | Rack-level DC power supply is the optimal technology for providing DC power to a volume server without any power infrastructure changes in an existing AC data center. In this paper, we propose a smartly controllable and monitorable DC rack power system. The proposed system improves power efficiency by changing the power distribution architecture of a conventional method in the rack. We developed an optimal power control method in multipower modules to provide high efficiency at low loads. In addition, the proposed system provides real-time web monitoring of the rack power and environment around a rack. In our experiments, the proposed system improved the power efficiency by over 10% compared to an AC power system providing N+1 redundant power and power monitoring. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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