2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm)最新文献

Multi-area state estimation using distributed SDP for nonlinear power systems 基于分布式SDP的非线性电力系统多区域状态估计

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-12-01 DOI: 10.1109/SmartGridComm.2012.6486055

Hao Zhu, G. Giannakis

{"title":"Multi-area state estimation using distributed SDP for nonlinear power systems","authors":"Hao Zhu, G. Giannakis","doi":"10.1109/SmartGridComm.2012.6486055","DOIUrl":"https://doi.org/10.1109/SmartGridComm.2012.6486055","url":null,"abstract":"State estimation (SE) is an important task allowing power networks to monitor accurately the underlying system state, while multi-area SE is becoming increasingly popular as the power grid comprises multiple interconnected “subgrids.” For nonlinear AC power systems, SE per subgrid amounts to minimizing a nonlinear least-squares cost that is inherently nonconvex, thus giving rise to many local optima. Despite the non-convexity, a recent SE approach based on semidefinite programming (SDP) has been effective in approaching globally optimal performance at the price of higher computational cost. A novel reduced-complexity algorithm is developed in this paper for local control areas to solve the centralized SDP-based SE problem in a distributed fashion. It leverages results on positive semidefinite matrix completion to split a global state matrix constraint into local ones, which further allows for parallel implementation using the alternating-direction method of multipliers (ADMM). With minimal data exchanges among neighboring areas, each control center can efficiently perform local updates that scale with each area's size (number of buses). Numerical simulations using the IEEE 14-bus system demonstrate the asymptotic convergence of local state matrices, and desirable estimation accuracy attainable with a limited number of exchanges.","PeriodicalId":143915,"journal":{"name":"2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130868292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 18

AMI threats, intrusion detection requirements and deployment recommendations AMI威胁、入侵检测需求和部署建议

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-12-01 DOI: 10.1109/SmartGridComm.2012.6486016

David Grochocki, J. Huh, R. Berthier, R. Bobba, W. Sanders, A. Cárdenas, Jorjeta G. Jetcheva

{"title":"AMI threats, intrusion detection requirements and deployment recommendations","authors":"David Grochocki, J. Huh, R. Berthier, R. Bobba, W. Sanders, A. Cárdenas, Jorjeta G. Jetcheva","doi":"10.1109/SmartGridComm.2012.6486016","DOIUrl":"https://doi.org/10.1109/SmartGridComm.2012.6486016","url":null,"abstract":"Advanced Metering Infrastructures (AMI) facilitate bidirectional communication between smart meters and utilities, allowing information about consumption, outages, and electricity rates to be shared reliably and efficiently. However, the numerous smart meters being connected through mesh networks open new opportunities for attackers to interfere with communications and compromise utilities' assets or steal customers' private information. The goal of this paper is to survey the various threats facing AMIs and the common attack techniques used to realize them in order to identify and understand the requirements for a comprehensive intrusion detection solution. The threat analysis leads to an extensive “attack tree” that captures the attackers' key objectives (e.g., energy theft) and the individual attack steps (e.g., eavesdropping on the network) that would be involved in achieving them. With reference to the attack tree, we show the type of information that would be required to effectively detect attacks. We also suggest that the widest coverage in monitoring the attacks can be provided by a hybrid sensing infrastructure that uses both a centralized intrusion detection system and embedded meter sensors.","PeriodicalId":143915,"journal":{"name":"2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121119530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 106

Smarter security in the smart grid 智能电网的更智能安全

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-12-01 DOI: 10.1109/SmartGridComm.2012.6486002

M. Ozay, I. Esnaola, F. Yarman-Vural, S. Kulkarni, H. Poor

引用次数: 18

Cooperative closed-loop techniques for optimized transmission applied to a WSN in a power substation 协同闭环优化传输技术在变电站无线传感器网络中的应用

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-05 DOI: 10.1109/SmartGridComm.2012.6486067

O. J. Oyedapo, Ghadir Madi, B. Vrigneau, R. Vauzelle, N. Richard

引用次数: 2

Distributed smart charging of electric vehicles for balancing wind energy 平衡风能的电动汽车分布式智能充电

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-01 DOI: 10.1109/SmartGridComm.2012.6485972

Kevin Mets, F. Turck, Chris Develder

{"title":"Distributed smart charging of electric vehicles for balancing wind energy","authors":"Kevin Mets, F. Turck, Chris Develder","doi":"10.1109/SmartGridComm.2012.6485972","DOIUrl":"https://doi.org/10.1109/SmartGridComm.2012.6485972","url":null,"abstract":"To meet worldwide goals of reducing CO2 footprint, electricity production increasingly is stemming from so-called renewable sources. To cater for their volatile behavior, so-called demand response algorithms are required. In this paper, we focus particularly on how charging electrical vehicles (EV) can be coordinated to maximize green energy consumption. We present a distributed algorithm that minimizes imbalance costs, and the disutility experienced by consumers. Our approach is very much practical, as it respects privacy, while still obtaining near-optimal solutions, by limiting the information exchanged: i.e. consumers do not share their preferences, deadlines, etc. Coordination is achieved through the exchange of virtual prices associated with energy consumption at certain times. We evaluate our approach in a case study comprising 100 electric vehicles over the course of 4 weeks, where renewable energy is supplied by a small scale wind turbine. Simulation results show that 68% of energy demand can be supplied by wind energy using our distributed algorithm, compared to 73% in a theoretical optimum scenario, and only 40% in an uncoordinated business-as-usual (BAU) scenario. Also, the increased usage of renewable energy sources, i.e. wind power, results in a 45% reduction of CO2 emissions, using our distributed algorithm.","PeriodicalId":143915,"journal":{"name":"2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120873523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 34

Smart grid congestion management through demand response 基于需求响应的智能电网拥塞管理

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-01 DOI: 10.1109/SmartGridComm.2012.6485968

J. Hazra, K. Das, D. Seetharam

引用次数: 20

Energy-agile laptops: Demand response of mobile plug loads using sensor/actuator networks 能源灵活型笔记本电脑:使用传感器/执行器网络的移动插头负载的需求响应

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-01 DOI: 10.1109/SmartGridComm.2012.6486048

N. Murthy

{"title":"Energy-agile laptops: Demand response of mobile plug loads using sensor/actuator networks","authors":"N. Murthy","doi":"10.1109/SmartGridComm.2012.6486048","DOIUrl":"https://doi.org/10.1109/SmartGridComm.2012.6486048","url":null,"abstract":"This paper explores demand response techniques for managing mobile, distributed loads with on-board electrochemical energy storage over a plug-level sensing/actuating wireless mesh network. We target laptops and construct a power consumption and battery charging model from measurements obtained across a variety of such devices. We then build simulations of charging patterns using the most general cases we observed. Our first simulation study explores a classic demand response scenario in which a large number of loads participate in a typical pre-scheduled demand response (DR) event. We show that we can achieve load curtailments in the range of 30-90% of aggregate baseline load as a function of the duration of a DR event by managing the charging schedules of laptops that randomly enter and leave the control jurisdiction of a DR event participant. In a second simulation study, we investigate a continuous demand response scenario in which charging schedules respond to a fluctuating renewable electricity supply (e.g. wind or solar) and show that we can reduce grid dependence by 26.8-33.8% compared to oblivious charging.","PeriodicalId":143915,"journal":{"name":"2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114177074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

DC optimal power flow: Uniqueness and algorithms 直流最优潮流:唯一性与算法

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-01 DOI: 10.1109/SmartGridComm.2012.6486058

C. Tan, Desmond W. H. Cai, Xin Lou

引用次数: 10

Data centers to offer ancillary services 数据中心提供辅助服务

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-01 DOI: 10.1109/SmartGridComm.2012.6486023

Mahdi Ghamkhari, Hamed Mohsenian Rad

{"title":"Data centers to offer ancillary services","authors":"Mahdi Ghamkhari, Hamed Mohsenian Rad","doi":"10.1109/SmartGridComm.2012.6486023","DOIUrl":"https://doi.org/10.1109/SmartGridComm.2012.6486023","url":null,"abstract":"Considering the growing number of Internet and cloud computing data centers being built in recent years and given the data centers' major and yet flexible electric load, they can be good candidates to offer ancillary services, such as voluntary load reduction, to a smart grid. In this paper, we investigate such potential within an analytical profit maximization framework to determine whether participation in an ancillary service market can be beneficial to data centers. The profit model that we introduce includes elements with respect to a) the data center's revenue obtained from the Internet services that the data center offers based on its service-level agreements (SLA), b) the data center's cost of electricity based on time-of-use prices, and c) the monetary compensation that the data center may receive due to offering ancillary services based on the existing ancillary service market models in the ERCOT (Electric Reliability Council of Texas) Independent System Operator. Our simulation results show that data centers can noticeably increase their profit by participating in voluntary load reduction. Their participation can also help the grid better maintain service quality and reliability.","PeriodicalId":143915,"journal":{"name":"2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130379046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 63

SmartScript - a domain-specific language for appliance control in Smart Grids SmartScript——用于智能电网中设备控制的特定领域语言

2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm) Pub Date : 2012-11-01 DOI: 10.1109/SmartGridComm.2012.6486028

Diego Adolf, E. Ferranti, S. Koch

引用次数: 13