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학술지 Rack-Level DC Power Solution for Volume Servers
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저자
권원옥, 서해문, 최평
발행일
201012
출처
ETRI Journal, v.32 no.6, pp.940-949
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.10.1510.0060
협약과제
09MS2400, 저비용 대규모 글로벌 인터넷 서비스 솔루션 개발, 남궁한
초록
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. © 2010 ETRI.© 2010 INFORMS.
키워드
Power distribution, Power monitoring, Rack-level DC power supply
KSP 제안 키워드
Ac power system, Conventional methods, Data center, Low load, Optimal power control, Power Efficiency, Power control(PC), Power control method, Power infrastructure, Power monitoring, Real-time Web