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 Incentive-aligned Mechanism for Emergency Demand Response in Multi-tenant Mixed-Use Buildings
Tác giả hoặc Nhóm tác giả: Nguyen H. Tran, Chuan Pham, Minh N.H Nguyen, Shaolei Ren, Choong Seon Hong*
Nơi đăng: IEEE INFOCOM 2016: Green and Sustainable Networking and Computing Workshops (GSNC), DOI: 10.1109/INFCOMW.2016.7562056 Workshop; Số: Apr.;Từ->đến trang: 112-117;Năm: 2016
Lĩnh vực: Công nghệ thông tin; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
Buildings and data-centers (DCs) have been identified as crucial participants for emergency demand response (EDR) which is the last line of defense to avoid cascading failures during emergency events. One important overlooked fact is that the majority of DCs are physically located in mixed-use buildings (MUB) and share the electricity supply with other operations (e.g., office spaces). The existing studies on EDR have not considered this fact and its implications. EDR for buildings treats DC operation as ``miscellaneous loads'', and thus, the flexible electricity consumption of a DC is wasted. Furthermore, even when both building offices and DCs are jointly considered for EDR, what is the incentive for them to shed energy for EDR with their own cost? To overcome this uncoordinated energy management and mis-aligned incentives, we propose a \emph{first-of-its-kind} incentive mechanism for EDR in MUBs, such that the total incurred loss (e.g., latency performance degradation for DC, thermal discomfort for office spaces) is minimized for energy shedding during EDR. We also design a distributed algorithm to implement the incentive mechanism that can optimally (a) control indoor temperature for non-DC space, (b) perform server provisioning in DC, and (c) manage on-site electricity generation. Simulation results show that our algorithm has better performance in terms of \mix total cost compared to the current non-coordinated approaches.
ABSTRACT
Buildings and data-centers (DCs) have been identified as crucial participants for emergency demand response (EDR) which is the last line of defense to avoid cascading failures during emergency events. One important overlooked fact is that the majority of DCs are physically located in mixed-use buildings (MUB) and share the electricity supply with other operations (e.g., office spaces). The existing studies on EDR have not considered this fact and its implications. EDR for buildings treats DC operation as ``miscellaneous loads'', and thus, the flexible electricity consumption of a DC is wasted. Furthermore, even when both building offices and DCs are jointly considered for EDR, what is the incentive for them to shed energy for EDR with their own cost? To overcome this uncoordinated energy management and mis-aligned incentives, we propose a \emph{first-of-its-kind} incentive mechanism for EDR in MUBs, such that the total incurred loss (e.g., latency performance degradation for DC, thermal discomfort for office spaces) is minimized for energy shedding during EDR. We also design a distributed algorithm to implement the incentive mechanism that can optimally (a) control indoor temperature for non-DC space, (b) perform server provisioning in DC, and (c) manage on-site electricity generation. Simulation results show that our algorithm has better performance in terms of \mix total cost compared to the current non-coordinated approaches.
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