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2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)最新文献

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Human Response to the Indoor Environment a Collection of Literature Models 人体对室内环境的反应:文献模型集
M. Rocca
The Indoor Environmental Quality is today one of the topics of greatest interest. In the scientific community there is awareness that it is not enough to create buildings with high energy savings, but it is also necessary to guarantee high levels of comfort. However, an appropriate evaluation of the actual perception of occupants in the indoor environment is still rather difficult today. The aim of this work is to provide a framework on the human body's sensation and perception mechanisms and to collect human responses to the four main environmental factors, in order to describe how the human body is stimulated by each factor.
室内环境质量是当今人们最感兴趣的话题之一。在科学界,人们已经意识到,仅仅建造高节能的建筑是不够的,还必须保证高水平的舒适度。然而,在今天,对室内环境中居住者的实际感知进行适当的评估仍然相当困难。这项工作的目的是提供一个关于人体的感觉和感知机制的框架,并收集人类对四个主要环境因素的反应,以描述人体如何受到每个因素的刺激。
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引用次数: 0
A Day-Ahead Joint Energy and Uncertainty Reserve Market Clearing Model to Manage VRE Uncertainty 管理VRE不确定性的日前联合能源与不确定性储备市场出清模型
Shaghayegh Zalzar, E. Bompard
The existing electricity market designs may be not compatible with high penetration of Variable Renewable Energy Sources (VRE) in power systems and need to be improved to address VREs' variability and uncertainty. VREs require flexibility and additional reserve capacities from conventional power plants to offset their real-time deviation from the forecasted output power. Another important issue regarding VRE market participation is the relatively low market clearing prices which in turn threatens the profitability of conventional generators. To address these issues, this paper contributes in modelling a central framework to provide uncertainty reserve service which is simultaneously optimized with energy procurement in day-ahead market. The uncertainty reserve is remunerated through day-ahead reservation price and real-time activation price. The proposed market clearing mechanism is able to provide fair and competitive supplementary revenue stream for conventional generators, while it ensures adequate reserve capacities in an hourly basis, taking into account network constraints, to address VRE variability and uncertainty.
现有的电力市场设计可能与可变可再生能源(VRE)在电力系统中的高渗透率不兼容,需要改进以解决可变可再生能源的可变性和不确定性。VREs需要传统电厂的灵活性和额外的备用容量来抵消其与预测输出功率的实时偏差。关于VRE市场参与的另一个重要问题是相对较低的市场结算价格,这反过来威胁到传统发电机的盈利能力。为了解决这些问题,本文建立了一个中心框架来提供不确定性储备服务,该服务与日前市场的能源采购同时优化。不确定性储备通过日前预留价和实时激活价进行补偿。拟议的市场结算机制能够为传统发电机提供公平和有竞争力的补充收入流,同时在考虑到网络限制的情况下,确保每小时有足够的储备容量,以解决VRE的可变性和不确定性。
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引用次数: 8
Integration of Real-Intelligence in Energy Management Systems to Enable Holistic Demand Response Optimization in Buildings and Districts 在能源管理系统中集成真正的智能,以实现建筑物和区域的整体需求响应优化
A. Romero, P. De Agustín, T. Tsitsanis
Although multiple trials have been conducted demonstrating that demand side flexibility works and even though technology roll-out progresses significantly fast, the business application of residential and small tertiary demand response has been slow to develop. This paper introduces a holistic demand response optimization framework that enables significant energy costs reduction at the consumer side, while introducing buildings as a major contributor to energy networks' stability in response to network constraints and conditions. The backbone of the solution consists in a modular interoperability and data management framework that enables open standards-based communication along the demand response value chain. The solution is validated in four large-scale pilot sites, incorporating diverse building types, heterogeneous home, building and district energy systems and devices, a variety of energy carriers and spanning diverse climatic conditions, demographic and cultural characteristics.
尽管已经进行了多次试验,证明需求侧灵活性是有效的,尽管技术推广进展迅速,但住宅和小型第三产业需求响应的商业应用发展缓慢。本文介绍了一个整体的需求响应优化框架,该框架能够在消费者端显著降低能源成本,同时将建筑物作为能源网络稳定的主要贡献者,以响应网络约束和条件。该解决方案的主干包括模块化互操作性和数据管理框架,该框架支持沿着需求响应价值链进行基于开放标准的通信。该解决方案在四个大型试点场地进行了验证,包括不同的建筑类型,不同的家庭,建筑和区域能源系统和设备,各种能源载体,跨越不同的气候条件,人口和文化特征。
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引用次数: 3
An Integrated Circular Economy Model for Decoupling Europe from Platinum Group Metals Supply Risk in the Automotive Sector 欧洲与汽车行业铂族金属供应风险脱钩的综合循环经济模型
A. Moschovi, S. Souentie, I. Yakoumis, A. Siriwardana
An integrated model of sustainable circular economy applied to the case of platinum group metals (PGMs) contained into the automotive catalytic converters is described. The cycle consists of four major steps: A. Collection and pre-processing of spent catalytic converters, B. PGM recovery as nitrate or other salts, C. Production of nano-catalytic washcoat powder, and D. Production of novel low-PGM catalysts. This scheme of circular economy can be sustainable when low-cost catalytic materials, like copper, are used to partially substitute the PGMs in the autocatalyst. A novel low-PGM Cu-based catalyst was successfully designed and tested, demonstrating the potential for practical applications.
介绍了一种应用于汽车催化转化器中铂族金属(PGMs)的可持续循环经济综合模型。该循环包括四个主要步骤:A.废弃催化转化器的收集和预处理,B.以硝酸盐或其他盐的形式回收PGM, C.生产纳米催化衣粉,D.生产新型低PGM催化剂。当使用低成本的催化材料,如铜,部分替代汽车催化剂中的铂基金属时,这种循环经济方案是可持续的。成功设计并测试了一种新型低pgm铜基催化剂,证明了其实际应用潜力。
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引用次数: 1
Energy Simulation of Tramway Systems, Simplified and Efficient Models 有轨电车系统能量仿真:简化和高效模型
L. Pugi, F. Grasso, G. Rossi
There is a wide interest in the simulation of the energy consumptions of tramway and more generally railway systems. This simplified model developed starting from specifications of Florence Tramway in Florence has been optimized in order to be a near to optimal trade-off in terms of accuracy and required computational resources whose usage has been optimized in order to exploit a possible implementation on multi-thread, distributed systems. In this preliminary work it's presented a benchmark case study with two train performing their mission in opposite direction on the same line considering also feeders and different kind of reversible and irreversible substation. Implemented model has proved to be relatively adaptable for different kind of studies, easy customizable with a modular architecture and potentially very efficient in terms of involved computational loads.
有轨电车和更广泛的铁路系统的能源消耗模拟有着广泛的兴趣。这个简化的模型是从佛罗伦萨的Florence Tramway的规范开始开发的,为了在准确性和所需的计算资源方面达到接近最佳的权衡,已经优化了计算资源的使用,以便在多线程、分布式系统上开发可能的实现。在本初步工作中,提出了一个基准案例研究,考虑馈线和不同类型的可逆和不可逆变电站,两列火车在同一条线路上以相反的方向执行任务。已实现的模型已被证明对不同类型的研究具有相对的适应性,易于使用模块化体系结构进行定制,并且在涉及的计算负载方面可能非常高效。
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引用次数: 19
Voltage/VAR Control with Reactive Power Injection in Distribution Networks using a Proper Metaheuristic Approach 配电网无功注入电压/无功控制的元启发式方法
B. Neagu, M. Gavrilas, G. Matei
The paper propose a proper approach to the voltage/VAR control problem in distribution systems. Our approach splits the problem in two important tasks and solves them sequentially. The first aspects aim to identify the optimal control of the voltage in all buses, and the second deals with reactive power injections by the capacitors allocation problem. Both of them was solved using a metaheuristic approach, a modified Bat Algorithm and use voltage drop index and power losses minimization as objective functions. The feasibility of the recommended method was tested using a real Romanian distribution grid and the results achieved in MATLAB environment was compared with another two inspired algorithms i.e. the genetic algorithm and fireworks. All this results confirm the efficiency and robustness of our proper modified metaheuristic algorithm with increased efficacy both for diminishing the real losses and voltage profile amelioration in real distribution grids, in accordance also with the energy savings.
本文对配电系统电压/无功控制问题提出了一种合理的解决方法。我们的方法将问题分成两个重要的任务,并依次解决它们。第一个方面的目标是确定所有母线电压的最优控制,第二个方面处理电容器分配的无功功率注入问题。采用元启发式方法和改进的Bat算法,以电压降指数和功率损耗最小化为目标函数进行求解。通过实际的罗马尼亚配电网验证了所推荐方法的可行性,并在MATLAB环境下与另外两种受启发的算法(遗传算法和烟花算法)进行了比较。这些结果证实了适当改进的元启发式算法的有效性和鲁棒性,在减少实际电网的实际损耗和改善实际电网的电压分布方面都有提高的效果,同时也符合节能的要求。
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引用次数: 1
Performance Analysis of a Communication-Supported Earth Fault Protection System of Medium Voltage Loop and Meshed Networks 中压环网接地故障保护系统的性能分析
J. D. Rios Penaloza, A. Borghetti, F. Napolitano, F. Tossani, C. Nucci
A communication-supported system for the earth fault protection in medium voltage loop and meshed networks with unearthed neutral, is proposed and assessed. The system is based on directional relays installed at both ends of each line, which communicate with each other. The directional relays implement an innovative transient fault detection technique that determines the directionality of the fault by calculating the angle between the earth mode voltage and the current at the dominant transient frequency. The performance of the protection system in response to cross-country faults, is assessed by using a specifically developed software tool that interfaces EMTP-RV with Matlab. The influence of the communication network limitations, i.e. latency and complete loss of communication, on the protection system performance and the effect of the sampling frequency on the operation zones are also analyzed.
提出并评估了一种用于中压环网接地故障保护的通信支撑系统。该系统基于安装在每条线路两端的方向继电器,它们之间相互通信。定向继电器实现了一种创新的瞬态故障检测技术,通过计算瞬态主导频率下的接地电压和电流之间的夹角来确定故障的方向性。通过使用一个专门开发的软件工具,将EMTP-RV与Matlab连接起来,评估了保护系统在应对越野故障时的性能。分析了通信网络限制(时延和通信完全丢失)对保护系统性能的影响以及采样频率对操作区域的影响。
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引用次数: 2
A New Approach for Dynamic Energy Storage System 动态储能系统的一种新方法
João Bárbara, J. Fermeiro, J. Pombo, S. Mariano, Maria do Rosário Calado
Battery packs with a large number of cells are becoming more and more prominent technology. Monitoring and controlling these packs is now a subject with increased importance. The proposed implemented system consists of only three switches per cell, allowing several types of connection between the cells. The battery management system relies on a distributed hierarchical architecture with n-1local controllers and a global controller. In the proposed algorithm the cells act as a single swarm functioning autonomously and depending on the parameters (voltage, current and temperature) of each cell of the pack. The hardware for each cell is explained and demonstrated. The results obtained both in simulation and in experimental tests show the excellent performance of the proposed methodology. Also, the charging approach based on the traditional multistage method exhibited an excellent performance on charging supercapacitors, concerning its efficiency, charging time and overvoltage protection.
具有大量电池芯的电池组正成为越来越突出的技术。监测和控制这些群体现在是一个越来越重要的课题。提出的实现系统由每个单元仅三个交换机组成,允许单元之间的几种类型的连接。电池管理系统采用分布式分层结构,具有n-1个本地控制器和1个全局控制器。在提出的算法中,电池作为一个独立的群体,根据电池组中每个电池的参数(电压、电流和温度)自主运行。对每个单元的硬件进行了解释和演示。仿真和实验结果表明,该方法具有良好的性能。此外,基于传统多级充电方法的充电方式在超级电容器充电效率、充电时间和过压保护等方面都表现出优异的性能。
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引用次数: 0
Role of Distributed Energy Storage Systems in the Quest for Carbon-Free Electric Distribution Systems 分布式储能系统在寻求无碳配电系统中的作用
D. Fitiwi, S. Santos, J. Catalão
This paper presents an extensive analysis in relation to transforming electric distribution networks in order to accommodate large quantities of variable renewable energy sources (vRESs). For this purpose, a multi-stage and stochastic mixed integer linear programming (S-MILP) model is employed. The algebraic model developed optimally allocates energy storage systems (ESSs) along with an optimal dynamic distribution network switching. For the analysis, a standard IEEE 119-bus distribution network system was used as a case study. Test results reveal that the joint optimization of ESSs and network reconfiguration markedly increase flexibility in existing systems, leading to an increase in the levels of renewables integration and utilization. Moreover, the analysis of the results shows the prospect of such systems in going fully “carbon-free”, i.e. with vRES power entirely meeting system demand. Generally, the current work demonstrates that a more effective integration and utilization of large-scale vRESs is possible when existing systems are equipped with enabling technologies that are already commercially available.
本文提出了一个广泛的分析,有关改造配电网络,以适应大量的可变可再生能源(vRESs)。为此,采用多阶段随机混合整数线性规划(S-MILP)模型。所建立的代数模型能在配电网最优动态切换的同时对储能系统进行最优配置。为了进行分析,以标准IEEE 119总线配电网系统为例进行了研究。测试结果表明,ess的联合优化和网络重构显著提高了现有系统的灵活性,从而提高了可再生能源的整合和利用水平。此外,对结果的分析显示了这些系统完全“无碳”的前景,即vRES电力完全满足系统需求。一般来说,目前的工作表明,当现有系统配备了已经商业化的使能技术时,大规模vRESs的更有效整合和利用是可能的。
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引用次数: 1
Effect of Pre-Treatment of Layered Cartons on the Quality of Pyrolytic Carbon Intended for Thermal Use 分层纸盒预处理对热用热解炭质量的影响
J. Růžičková, H. Raclavská, M. Kucbel, B. Švédová, K. Raclavský, H. Škrobánková, P. Pavlík, V. Sassmanová
Samples of TetraPak cartons were processed by pyrolysis at temperatures up to 700 centigrade degrees. Char samples were analyzed by pyrolytic gas chromatography with mass spectrometric detection. Differences of pyrolytic carbon were characterized by specific organic compounds used as markers of pyrolytic conditions.
利乐纸盒样品在高达700摄氏度的温度下进行热解处理。炭样采用热解气相色谱-质谱法进行分析。热解碳的差异是用特定的有机化合物作为热解条件的标志来表征的。
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引用次数: 0
期刊
2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)
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