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2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies最新文献

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Household indicators for developing innovative feedback technologies 开发创新反馈技术的住户指标
I. Vassileva, F. Wallin, Yong Ding, M. Beigl, E. Dahlquist
Numerous studies have shown that households' consumption is an important part of the total energy consumed in different countries. However, there is very little work done on finding appropriate strategies of giving households' effective feedback on their energy consumption. This study analyzes several indicators that could be considered before analyzing residential overall energy consumption and providing information, feedback, or developing demand-response measures. A questionnaire sent out to 2000 households having 33% response rate shows that the total households' income and characteristics, occupants' age and users' energy attitudes and interest are the key components designing relevant energy information strategies.
大量研究表明,在不同国家,家庭消费是能源消费总量的重要组成部分。然而,在寻找适当的策略,为家庭提供有效的能源消耗反馈方面,做的工作很少。本研究分析了在分析住宅整体能源消耗和提供信息、反馈或制定需求响应措施之前可以考虑的几个指标。通过对2000户家庭的问卷调查,33%的回答率表明,家庭的收入和特征、住户的年龄和用户的能源态度和兴趣是设计相关能源信息策略的关键因素。
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引用次数: 8
Active House: Industrial demonstrator Active House:工业示范
Larisa Rizvanovic, Mikael Åkerholm, G. Bag, P. Stoll, J. Rossebø
In this paper we present the Active House industrial demonstrator, exhibited at the ELFACK fair (May 2011), which demonstrates the role of home/building automation systems in energy management at home. Moreover, we introduce the Active House deployment architecture in the smart grid that provides the basis for the industrial demonstrator. We discuss the demonstrator as the proof-of-concept that allows us to evaluate the applicability of the architectural solution and validate whether the Active House architecture can provide the right starting point for integrating the Active House into the grid.
在本文中,我们展示了在ELFACK展会(2011年5月)上展出的Active House工业演示,它展示了家庭/建筑自动化系统在家庭能源管理中的作用。此外,我们还介绍了智能电网中的有源房屋部署架构,为工业演示提供了基础。我们将演示器作为概念验证来讨论,它允许我们评估架构解决方案的适用性,并验证Active House架构是否可以为将Active House集成到电网中提供正确的起点。
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引用次数: 4
Probabilistic load flow using latin hypercube sampling with dependence for distribution networks 基于拉丁超立方体抽样的配网随机潮流分析
Jun Cao, W. Du, Haifeng F. Wang, L. Xiao
The paper adopts the Latin Hypercube Sampling with Dependence (LHSD) method to solve the Probabilistic Load Flow (PLF) problem with correlated random variables for distribution networks. The proposed method is investigated using modified IEEE 34 distribution system with random loads, Wind power and Photovoltaics (PVs). Three different cases are studied and the comparison results shows that the LHSD method handles correlations efficiently and presents an accurate simulation result with a much smaller simulation size. The method has the potential to be applied in many power system probabilistic problems.
本文采用拉丁相关性超立方抽样(LHSD)方法求解了配电网随机变量相关的概率潮流问题。采用改进的IEEE 34随机负荷、风电和光伏配电系统对该方法进行了研究。对比结果表明,LHSD方法能有效地处理相关性,在较小的模拟规模下得到准确的模拟结果。该方法具有应用于电力系统概率问题的潜力。
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引用次数: 10
Agent-based power routing in Active Distribution Networks 有源配电网中基于agent的电力路由
P. Nguyen, W. Kling, P. Ribeiro
The expected large-scale implementation of distributed generation (DG) requires a change in the current structure and operation of distribution networks. The future distribution network must be able to manage power flow in a bidirectional way, cope with uncertainties of renewable power generation and adjust to demands of more sophisticated customers. This paper introduces the concept of a power routing function to avoid congestion, minimize the operating cost, and adequately serve the requirements of customers. This function considers the optimal power flow as a problem of minimum cost flow in the graph theory. The Scaling Push-Relabel (SPR) algorithm is used to solve that problem. It will be implemented in a distributed agent environment which is suitable with a design concept of Active Distribution Networks. The performance of the power routing function is tested on a simulation of the medium voltage 32-bus network. Simulation results show the effectiveness and flexibility of the proposed function in dealing with issues of load demand increases and network configuration changes.
分布式发电(DG)的预期大规模实施要求改变当前配电网的结构和运行方式。未来的配电网络必须能够以双向方式管理电力流,应对可再生能源发电的不确定性,并根据更复杂的客户的需求进行调整。为了避免拥塞,降低运行成本,充分满足用户的需求,本文引入了电源路由功能的概念。该函数将最优潮流视为图论中的最小成本潮流问题。SPR (Scaling Push-Relabel)算法用于解决该问题。它将在一个适合于主动配电网络设计理念的分布式代理环境中实现。在中压32母线网络仿真中测试了电源路由功能的性能。仿真结果表明,所提函数在处理负荷需求增加和网络配置变化问题时具有有效性和灵活性。
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引用次数: 16
Decoupling power systems analysis using hybrid load flow calculation 基于混合潮流计算的电力系统解耦分析
P. Wirasanti, E. Ortjohann, S. Jaloudi, D. Morton
A large number of new and decentralized energy conversion systems (ECSs) in combination with renewable energy sources (RESs) have recently been integrated into the conventional grid to build up sustainable energy supply systems. This is one of main challenge of future smart grids. Thus, currently there are plenty researches focusing on the grid integration such as clustering concept. By clustering concept, it has a possibility to form the distributed generation (DG) units in a small group, which can establish an advance control function in order to make this small group to behave like a virtual power plant. Therefore, the grid integration can be completed in an easily way. However by adding the new grids, the fluctuation of dynamic behavior can cause the unstable power systems, for example, the voltage profile can temporally be out of the nominal rated condition. To avoid the unstable condition, the basic description such as the power flow between connected- or decoupling positions must be clarified and analyzed. In general analysis, the power system analysis needs to recreate the model structure when the new grid is joining the existing grids. This results in an increased complexity of power system analysis. Therefore, this paper introduces the decoupling power system analysis, which can analyze separately on each grid and no need to recreate new model when power systems structure is changed by adding the new grid. To validate the proposed method, the simulation case studies are provided and the results prove that the proposed method can be utilized as the general analysis method.
大量新的分散式能源转换系统(ECSs)与可再生能源(RESs)相结合,最近已被纳入传统电网,以建立可持续的能源供应系统。这是未来智能电网面临的主要挑战之一。因此,目前有很多关于网格集成的研究,如聚类概念。通过聚类的概念,可以将分布式发电机组组成一个小群,建立一个超前的控制功能,使这个小群像一个虚拟电厂一样运行。因此,网格整合可以很容易地完成。然而,由于新电网的加入,其动态特性的波动会引起电力系统的不稳定,如电压分布可能暂时脱离额定标称状态。为了避免不稳定的情况,必须对连接或解耦位置之间的潮流等基本描述进行澄清和分析。在一般分析中,电力系统分析需要在新电网与现有电网连接时重新创建模型结构。这增加了电力系统分析的复杂性。因此,本文引入了解耦电力系统分析方法,该方法可以在每个电网上单独进行分析,而无需在电力系统结构发生变化时通过添加新电网重新建立模型。为了验证所提方法的有效性,给出了仿真实例,结果表明所提方法可以作为通用的分析方法。
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引用次数: 9
Future LV distribution network design and current practices in the Netherlands 荷兰未来低压配电网络的设计与实践
P. Kadurek, J. Cobben, W. Kling
The current distribution networks are going to be challenged by new developments on the side of generation and simultaneously also on the side of consumption. Therefore this paper provides an overview of LV network design aspects with emphasis on the implications of the future challenges on LV networks. The attention is especially given to the future aspect of the network design, substation automation, protection and mitigation of the issues accompanying distributed generation. The current operational and power quality measurements undertaken in LV distribution networks are presented as well as new additional measurements. The need to increase flexibility and assets utilization of LV networks is discussed together with the technical means enabling them. The outcomes related to the future LV network design are presented in conclusions.
当前的配电网络将受到新发展的挑战,一方面是在发电方面,另一方面是在消费方面。因此,本文提供了低压网络设计方面的概述,重点是未来挑战对低压网络的影响。重点讨论了未来分布式发电的网络设计、变电站自动化、保护和缓解等问题。介绍了低压配电网目前的运行和电能质量测量以及新的附加测量。讨论了提高低压电网灵活性和资产利用率的需求,以及实现这些需求的技术手段。最后在结论部分提出了与未来LV网络设计相关的结果。
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引用次数: 8
Optimal microgrid operation with electric vehicles 电动汽车优化微电网运行
Miguel A. Lopez, Sebastián Martín, J. Aguado, S. D. L. Torre
The concern about the complete depletion of fossil fuels along with the negative environmental impact of most of the current energy sources are significant reasons to think of a different way to produce electrical energy and, at the same time, satisfy the necessities for urban mobility. In this context, microgrids (MGs) are power networks which, among other properties, allow more flexible demand consumption, and also help with, the efficient integration of renewable resources and electric vehicles (EVs). However, the effect of the incorporation of EVs has to be taken into consideration with care, since that situation may drive to unfeasible operations in grids which have not been designed to support these particular elements. In this paper, a system composed of different agents is used to develop a market-oriented operation in a MG with several EV charge stations. It is expected that the system takes to an optimal management allowing a technically feasible operation considering the behaviour of every agent involved. The demand shifting and the flexible operation of EVs, spatial and temporal, are features that reduce costs and thus improve the benefit of the participants.
对化石燃料完全枯竭的担忧,以及大多数现有能源对环境的负面影响,是考虑一种不同的方式来生产电能,同时满足城市交通需求的重要原因。在这种情况下,微电网(mg)是一种电力网络,除其他特性外,它允许更灵活的需求消费,并有助于可再生资源和电动汽车(ev)的有效整合。然而,纳入电动汽车的影响必须仔细考虑,因为这种情况可能会导致电网的不可行的运行,而电网的设计并没有支持这些特定的元素。本文提出了一个由不同主体组成的系统,以建立具有多个电动汽车充电站的电动汽车市场运营模式。考虑到所涉及的每个代理的行为,期望系统采取最佳管理,允许技术上可行的操作。电动汽车在空间和时间上的需求转移和灵活运行是降低成本,从而提高参与者效益的特征。
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引用次数: 15
Reliability performance assessment in smart grids with demand-side management 基于需求侧管理的智能电网可靠性性能评估
Irinel-Sorin Ilie, I. Hernando‐Gil, A. Collin, J. Acosta, S. Djokic
The paper discusses possible impact of demand-side management (DSM) functionalities on the improvement of reliability performance and formulation of novel reliability assessment procedures of future electricity networks (so called “smart grids”). Firstly, traditionally used continuity of supply metrics and indices are assessed for a given reliability test system without considering any DSM scheme. Differences in the results for reliability indices for test system modelled with bulk loads and system modelled with detailed network configurations supplying connected loads are quantified, emphasising the errors that occur when parts of the system are neglected during the estimations of reliability performance. Afterwards, the effect of DSM on the reliability performance of the same test network are analysed, in order to assess potential benefits of DSM to the network operators, particularly with respect to their annual performance reports. Finally, possible changes in used reliability metrics are discussed, as smart grids will allow to substitute standard lumped representation of system loads at higher voltage levels with a more accurate and detailed information on load demands and load structures, including estimated contribution of demand-manageable portion of system load to the total demand.
本文讨论了需求侧管理(DSM)功能对未来电网(即所谓的“智能电网”)可靠性性能的提高和新型可靠性评估程序的制定可能产生的影响。首先,在不考虑需求侧管理方案的情况下,对给定的可靠性测试系统进行了传统的供电度量和指标连续性评估。用大负荷建模的测试系统和用提供连接负荷的详细网络配置建模的系统的可靠性指标结果的差异被量化,强调了当系统的部分在可靠性性能估计期间被忽略时发生的误差。随后,分析了需求侧管理对同一测试网络可靠性性能的影响,以评估需求侧管理对网络运营商的潜在好处,特别是对其年度性能报告的影响。最后,讨论了使用的可靠性指标可能发生的变化,因为智能电网将允许用更准确和详细的负载需求和负载结构信息取代更高电压水平下系统负载的标准集总表示,包括系统负载中需求可管理部分对总需求的估计贡献。
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引用次数: 20
Bridging the gap with Broadband Powerline (BPL) technology 利用宽带电力线(BPL)技术弥合差距
U. Braun
The paper will present the usage of Broadband Powerline (BPL) communication technology as a backbone communication infrastructure for smart metering and smart grid applications and systems. BPL provides transparent real-time TCP/IP communication over existing MV/LV grids. The technology is being used, for example, as the communications platform for the Smart City Mannheim (MoMa) project, where more than 10 000 BPL modems in total are deployed, covering most of the city area and giving access to BPL TCP/IP connectivity to more than 120 000 households.
本文将介绍宽带电力线(BPL)通信技术作为智能计量和智能电网应用和系统的骨干通信基础设施的使用。BPL在现有中压/低压电网上提供透明的实时TCP/IP通信。例如,该技术被用作曼海姆智慧城市(MoMa)项目的通信平台,该项目总共部署了1万多台BPL调制解调器,覆盖了大部分城市地区,并为超过12万户家庭提供了BPL TCP/IP连接。
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引用次数: 10
Load forecasting for active distribution networks 有功配电网负荷预测
S. Paoletti, M. Casini, Antonio Giannitrapani, A. Facchini, A. Garulli, A. Vicino
This paper addresses the problem of electric load forecasting for distribution networks with Active Demand (AD), a new concept in smart-grids introduced within the EU project ADDRESS. By changing the typical consumption pattern of the consumers, AD adds a new dimension to the problem of load forecasting, and therefore makes currently available load forecasting techniques no more suitable. A new approach to load forecasting in the presence of AD is therefore proposed. The approach is based on a decomposition of the load into its components, namely the base load (representing different seasonal patterns), and a residual term depending both on stochastic fluctuations and AD effects. The performance of the proposed approach is illustrated through a numerical example. Since data sets including AD are not yet available, in the numerical example AD effects are simulated and added to real measurements representing the aggregated load of about 60 consumers from an Italian LV network.
主动需求(Active Demand, AD)是欧盟ADDRESS项目引入的智能电网新概念,本文研究了基于主动需求的配电网负荷预测问题。通过改变用户的典型消费模式,AD为负荷预测问题增加了一个新的维度,从而使现有的负荷预测技术不再适用。因此,提出了一种新的负荷预测方法。该方法的基础是将负荷分解为其组成部分,即基本负荷(代表不同的季节模式)和取决于随机波动和AD效应的剩余项。通过一个算例说明了该方法的有效性。由于还没有包括AD在内的数据集,在数值示例中,模拟AD效应,并将其添加到代表意大利LV网络约60个消费者的汇总负载的实际测量中。
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引用次数: 39
期刊
2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies
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