NDLI: Online control of datacenter power supply under uncertain demand and renewable energy

Content Provider	IEEE Xplore Digital Library
Author	Wei Deng Fangming Liu Hai Jin Xiaofei Liao
Copyright Year	2013
Description	Author affiliation: Services Comput. Technol. & Syst. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, China (Wei Deng; Fangming Liu; Hai Jin; Xiaofei Liao)
Abstract	Modern Cloud Service Providers (CSPs) equip their Datacenter Power Supply System (DPSS) with multisources to mitigate power cost, carbon emission, and power outage: (1) multi-markets grid with time-varying energy prices, (2) finite capacity of Uninterrupted Power Supply (UPS), and (3) certain volumes of intermittent renewable energy. With the presence of uncertain renewable sources and datacenter power demand, CSPs have a critical challenge: how to design systematical online control policies that best utilize different characteristics of multisources in a complementary manner to deliver reliable energy to datacenters while minimizing DPSS operation cost. Based on a stochastic optimization model that captures characteristics of DPSS, we apply two-stage Lyapunov optimization to design and analyze an online DPSS control algorithm (OnDPSS). OnDPSS makes decisions on fully utilizing renewable energy, two-timescales power purchasing, and UPS charging/discharging without requiring substantial statistics of system dynamics. Our mathematical analyses and one-month trace-driven simulations have demonstrated both the optimality (in terms of tradeoff between minimization of DPSS operational cost and constraint satisfaction on datacenter availability and UPS lifetime) and system stability (in terms of robustness to time-varying power demand and supply) achieved by OnDPSS algorithm.
Starting Page	4228
Ending Page	4232
File Size	287695
Page Count	5
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6655227
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Uninterruptible power systems Renewable energy sources Batteries Power demand Real-time systems Procurement Algorithm design and analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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