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Technical, economic, and environmental analysis to define the conditions for the implementation of charge stations, a case study in the city of Azogues - Ecuador 通过技术、经济和环境分析来确定充电站实施的条件,以厄瓜多尔亚佐格市为例进行研究
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.454
E. Barragan, E. García, C. Minchala, E. Zalamea
Reducing environmental pollution caused by traditional mobility solutions, such as combustion vehicles, requires a deep dive into sustainable mobility. Consequently, promoting electric vehicles (EVs) constitutes a long-hanging fruit for establishing a route map for decarbonizing city mobility. Nevertheless, several tasks require urgent attention to allow EV technology to deploy in cities. For instance, optimal locations of charging stations for EVs by considering a multicriteria approach are urgently required. This work studies the most feasible alternatives for locating and implementing EV chargers (EVC) in Azogues, Ecuador. This study applies Promethee multicriteria method, considering three different location alternatives in the city and four criteria that will be divided into ten subcriteria for the analysis. First, the multi-objective function´s weighting factors were established using three weighting methods: equal weighting, point allocation, and critical weighting. Once the matrix of sub-criteria with their weights was established, Visual Promethee, which works with Promethee II, was applied to establish the optimal candidate site. The results of this optimization analysis indicate an optimal location for the EVC.
减少传统交通解决方案(如燃烧车辆)造成的环境污染,需要深入研究可持续交通。因此,推广电动汽车(ev)是建立城市交通脱碳路线图的长期目标。然而,为了让电动汽车技术在城市中部署,有几个任务需要迫切关注。例如,迫切需要考虑多标准方法来优化电动汽车充电站的位置。这项工作研究了在厄瓜多尔Azogues定位和实施电动汽车充电器(EVC)的最可行的替代方案。本研究采用Promethee多标准方法,考虑了城市中三个不同的位置选择和四个标准,并将其分为十个子标准进行分析。首先,采用等权法、点分配法和临界权法建立多目标函数的权重因子;在确定了子标准及其权重矩阵后,应用Visual Promethee软件与Promethee II协同工作,确定了最优候选地点。优化分析结果表明了EVC的最优位置。
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引用次数: 0
Linear Fresnel reflector technology in Brazil: a techno-economic evaluation 线性菲涅耳反射器技术在巴西:技术经济评价
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.315
G. Acevedo, M. Lopes, B. Menezes, O.H.F. Rabelo, L. B. Brito, A. B. Dias, A. Filho, E. G. Domingues
This study aims to present the results of applying a computational tool developed to perform a technical-economic feasibility analysis of a large-scale Linear Fresnel Reflector (LFR) solar power plant. The viability analysis indicators were obtained considering that the electricity produced trades at the Regulated Contracting Environment of the Brazilian Electricity Market. The parametric structural optimization method is used to optimize the technical parameters of the plant. A case study was conducted to analyze the viability of Implementing a 100 MW LFR power plant in the five regions of Brazil. The results indicated that Northeastern is the best region to install this power plant. However, the project is not viable in all cities analyzed. A sensitivity analysis (SA) of some strategically selected variables was conducted to evaluate its impacts on the project's net present value of an optimized LFR plant located in the city with the best technical performance. Finally, an optimistic scenario was evaluated considering the net present value's response to the parameters investigated in the SA. For this scenario, the results indicated the project's economic viability.
本研究旨在展示应用计算工具对大型线性菲涅耳反射器(LFR)太阳能发电厂进行技术经济可行性分析的结果。考虑到生产的电力在巴西电力市场受监管的承包环境下进行交易,得出可行性分析指标。采用参数结构优化方法对装置的技术参数进行优化。进行了一个案例研究,以分析在巴西五个地区实施100兆瓦低堆电厂的可行性。结果表明,东北地区是该电站的最佳选址地区。然而,该项目并非在所有被分析的城市都可行。对战略选择的一些变量进行敏感性分析(SA),以评估其对位于技术性能最佳的城市的优化LFR工厂的项目净现值的影响。最后,考虑到净现值对SA中所调查参数的响应,评估了一个乐观的情景。在这种情况下,结果表明了项目的经济可行性。
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引用次数: 0
Single -Phase Hybrid Converter With Series Voltage Compensation On The DC Bar Applied to Micro grids 应用于微电网的直流棒串联电压补偿单相混合变换器
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.295
D. Mattos, D. Rodrigues, M. Albertini, C. Bernardelli, A. Moura, M. Mendonça, A. Rosentino, R. Rimoldi de Lima, P. Rezende, G. Lima, J. O. Rezende
This work presents the development of computer simulation of a topological structure of singlephase hybrid converter that aims to impose sinusoidal input current and the supply of a DC bus with regulated voltage using the voltage series compensation. With the increase in distributed generation by the use of DC renewable energy sources by microgrids, the characteristics of the structure proposed to make it an excellent alternative for applications involving the compensation of voltage fluctuations due to to the intermittence of microgeneration systems.
这项工作提出了一种单相混合变换器拓扑结构的计算机模拟的发展,该结构旨在施加正弦输入电流,并使用电压串联补偿提供稳压直流母线。随着微电网使用直流可再生能源的分布式发电的增加,该结构的特点使其成为补偿微发电系统间歇性电压波动的应用的绝佳选择。
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引用次数: 0
Use of Building Façade for Active Indoor Humidity Control 建筑立面在室内主动湿度控制中的应用
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.326
K. Ghali, J. P. Harrouz, N. Ghaddar
Regulating indoor humidity levels to healthy ranges is important to provide occupants with acceptable thermal comfort and air quality conditions. Conventional techniques relied on the supply of dehumidified outdoor air to dilute the indoor generated moisture. They use vapor compression cooling either as standalone system or integrated with desiccant dehumidifiers to generate the dry air. Such systems are energy intensive and require large footprint areas, especially in hot and humid climates. This work proposes thus an energy-efficient alternative where the indoor humidity is pumped directly from the space and discharged outdoors. This system integrates a metal organic framework-based dehumidifier with the building breathable façade. The dehumidifier dries the outdoor air that is used to ventilate the façade and create the necessary driving gradient for the moisture transfer, irrespective of the outdoor air conditions. Mathematical models are developed to evaluate the system performance for an office space located in the extreme hot and humid climate of Jeddah, KSA. The proposed system resulted in 89 % and 90 % reduction in the system size and energy consumption compared to conventional systems over the peak humidity month.
将室内湿度调节到健康范围对于为居住者提供可接受的热舒适和空气质量条件非常重要。传统的技术依靠室外除湿空气的供应来稀释室内产生的水分。它们使用蒸汽压缩冷却作为独立系统或与干燥剂除湿器集成以产生干燥空气。这种系统是能源密集型的,需要很大的占地面积,特别是在炎热潮湿的气候下。因此,这项工作提出了一种节能的替代方案,室内湿度直接从空间泵送并排放到室外。该系统集成了基于金属有机框架的除湿机和建筑透气立面。除湿机干燥用于通风的室外空气,并为水分转移创造必要的驱动梯度,而不管室外空气条件如何。开发了数学模型来评估位于沙特阿拉伯吉达极端湿热气候的办公空间的系统性能。与传统系统相比,该系统在湿度高峰月份的系统尺寸和能耗分别减少了89%和90%。
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引用次数: 0
Energy arbitrage in PV-PHS systems PV-PHS系统中的能源套利
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.206
R. Dufo-López, J. Lujano-Rojas, J. Bernal-Agustín, J. S. Artal-Sevil, Á. Bayod-Rújula
In this paper, we use MHOGA software for the evaluation of adding pumped hydro storage (PHS) for energy arbitrage in utility-scale PV generating systems. PHS is used for electricity price arbitrage, pumping water from the lower reservoir to the upper reservoir with the PV generation during hours of low electricity price and generating electricity by means of the stored water with the turbine during hours of high price (during these hours the PV generator also injects its production to the grid). The control strategy creates setpoints for the use of the pump and the turbine, trying to obtain the maximum benefits from the electricity sold to the grid, maximizing the net present value (NPV). An example of application is shown, obtaining conclusions about the economical viability of the PV-PHS system compared to the PV-only system: in the case studied in this work, it is not worth to add PHS to the PV system.
在本文中,我们使用MHOGA软件来评估在公用事业规模的光伏发电系统中增加抽水蓄能(PHS)以进行能源套利。利用小灵通进行电价套利,在电价较低的时段利用光伏发电从下水库抽水到上水库,在电价较高的时段利用水轮机蓄水发电(在此时段,光伏发电机组也将其生产的电能注入电网)。该控制策略为泵和涡轮机的使用设置设定值,试图从出售给电网的电力中获得最大收益,最大化净现值(NPV)。最后给出了一个应用实例,得出了PV-PHS系统与纯PV系统相比的经济可行性的结论:在本工作研究的案例中,PV系统不值得添加PHS。
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引用次数: 0
Technical versus socio-economic and environmental criteria in power transmission projects 输电项目中的技术标准与社会经济标准和环境标准
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.271
N. Naval, J. Yusta
In recent years, the efforts of countries to reach agreements on the development of cross-border electricity interconnection have intensified because they optimize energy resources and constitute the most significant instantaneous support for the security and continuity of electricity supply. In addition, interconnections play a key role in the integration of electricity markets. However, the planning of European electricity infrastructures constitutes complex analyses due to the large number of factors involved. This article applies a multicriteria methodology for the evaluation and prioritization of cross-border interconnection projects with the simulation of different scenarios, in total 12 scenarios, to study the effect of changes in the selected criteria on the results obtained. To test the defined methodology, the variation in the weight of different criteria in the assessment of a new cross-border electrical interconnection project between Spain and France is studied. It was verified that the tool is coherent and that the analysis developed improves the understanding of such large and complex projects and can facilitate the prioritization of project portfolios with a clear and explicit method.
近年来,各国就发展跨境电力互联达成协议的力度不断加大,因为这是对能源资源的优化,是对电力供应安全和连续性最重要的瞬时支持。此外,互联在电力市场一体化中发挥着关键作用。然而,由于涉及的因素很多,欧洲电力基础设施的规划构成了复杂的分析。本文采用多标准方法对跨境互联项目进行评估和优先排序,并模拟了总共12种不同的情景,研究所选标准的变化对所获得结果的影响。为了测试所定义的方法,研究了西班牙和法国之间新的跨境电力互联项目评估中不同标准权重的变化。经过验证,该工具是连贯的,并且所开发的分析提高了对此类大型和复杂项目的理解,并且可以用清晰和明确的方法促进项目组合的优先级排序。
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引用次数: 0
Energy and Capacity Saving Potential in the Residential Sector of Oman 阿曼住宅领域的能源和产能节约潜力
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.430
A. AlWaaili, A. Malik
The substantial rise in Oman's load in recent years prompted researchers to investigate ways to reduce the construction of new power plants. Reducing the electricity consumption during the peak hours will provide the flexibility to lower the need of the generation units to be added on the system. This paper aims to find out the energy saving potential from the residential sector of Oman, specifically Main Interconnected System (MIS) load. Usually, the annual report circulated by the Authority for Public Service Regulation (APSR) provides the statistics of demand consumed. It states that about 45.2% accounts for residential consumption in 2021. A survey from different papers that emphasize the valuable contribution of energy savings from the residential sector is carried out. WASP-IV software is used to conduct the optimization generation expansion plan for a 20-year period. Another case is studied for the 25.2% decrease in home building consumption. The methodology is explained, as are the assumptions and constraints of the study. The results show a noticeable decrease in the total generation cost, environmental cost, and LOLP percentage for the energy saving case study compared with the base case.
近年来阿曼电力负荷的大幅增长促使研究人员开始研究减少新电厂建设的方法。减少用电高峰时段的用电量将提供灵活性,以降低对系统新增发电机组的需求。本文旨在了解阿曼住宅部门的节能潜力,特别是主互联系统(MIS)负荷。通常,公共服务监管局(APSR)发布的年度报告提供了消费需求的统计数据。报告指出,到2021年,住宅消费约占45.2%。一项来自不同论文的调查强调了住宅部门节能的宝贵贡献。采用WASP-IV软件对20年的发电扩容计划进行优化。另外,还研究了住宅建筑消费减少25.2%的事例。解释了方法,以及研究的假设和约束。结果显示,与基本情况相比,节能案例研究的总发电成本、环境成本和LOLP百分比显著降低。
{"title":"Energy and Capacity Saving Potential in the Residential Sector of Oman","authors":"A. AlWaaili, A. Malik","doi":"10.24084/repqj21.430","DOIUrl":"https://doi.org/10.24084/repqj21.430","url":null,"abstract":"The substantial rise in Oman's load in recent years prompted researchers to investigate ways to reduce the construction of new power plants. Reducing the electricity consumption during the peak hours will provide the flexibility to lower the need of the generation units to be added on the system. This paper aims to find out the energy saving potential from the residential sector of Oman, specifically Main Interconnected System (MIS) load. Usually, the annual report circulated by the Authority for Public Service Regulation (APSR) provides the statistics of demand consumed. It states that about 45.2% accounts for residential consumption in 2021. A survey from different papers that emphasize the valuable contribution of energy savings from the residential sector is carried out. WASP-IV software is used to conduct the optimization generation expansion plan for a 20-year period. Another case is studied for the 25.2% decrease in home building consumption. The methodology is explained, as are the assumptions and constraints of the study. The results show a noticeable decrease in the total generation cost, environmental cost, and LOLP percentage for the energy saving case study compared with the base case.","PeriodicalId":21076,"journal":{"name":"Renewable Energy and Power Quality Journal","volume":"59 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74398246","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: 0
Power management strategy for photovoltaic system with hybrid storage (Batteries/Supercapacitors) 混合储能光伏系统的电源管理策略(电池/超级电容器)
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.343
Z. Mokrani, Djamila Rekioua, N. Mebarki, A. Oubelaid, K. Kakouche, T. Rekioua
This paper is presented in regard to the interesting continuous interest attributed to photovoltaic energy systems (PESs). To this aim, a study of an isolated photovoltaic system with hybrid storage (HS) is presented. Supercapacitors (SCs) are typically used because of their high specific power density.. Combining batteries and supercapacitors is a solution to maximize their benefits. In this work, the HS is a combinaison of batteries and supercapacitors. The goal of this work is to build a new management algorithm. This aforementioned technique will ensure the control of energy flow between system power sources. Furthermore, it will regulate the charge/discharge cycles of the proposed HS by maintaining their state of charge (SOC) between a desired minimum and maximum values. The proposed method is simple, efficient and it is not computationally heavy. The obtained simulation results are satisfactory and show the interest and effectiveness of the proposed management strategy.
本文介绍了关于光伏能源系统(PESs)的有趣的连续兴趣。为此,研究了一种具有混合储能的隔离光伏系统。超级电容器(SCs)通常使用,因为它们的高比功率密度。将电池和超级电容器结合起来是使其效益最大化的解决方案。在这项工作中,HS是电池和超级电容器的结合。这项工作的目标是建立一个新的管理算法。上述技术将确保系统电源之间的能量流的控制。此外,它将通过将其荷电状态(SOC)维持在期望的最小值和最大值之间来调节所提议的HS的充放电周期。该方法简单、高效、计算量小。仿真结果令人满意,表明了所提出的管理策略的有效性。
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引用次数: 0
A Benchmark and Validation Guide for the Hungarian Implementation of the Common European Requirements for Electricity Generators 匈牙利实施欧洲发电机共同要求的基准和验证指南
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.288
I. Vokony
In the Hungarian electricity system, as well as in other European countries, the share of renewable based production is increasing. These power generating modules do not contain rotating masses like those of traditional synchronous power generating modules which creates new challenges on the electric grid with respect to system stability and frequency control. The distribution system operators (DSOs) of the different countries need to cope with this problem and set frequency, voltage thresholds and robustness requirements for the electricity generating power plants. This project aims to create specific requirements for the Hungarian generators considering the former implementations of other countries (UK, Germany, Denmark and Finland). The different requirements of these foreign areas are introduced in a benchmark study, which is the first essential part of the whole project. Such implementations are only partially defined for Hungary; therefore, in some cases it is necessary to use the implementations of other foreign countries which have similar grid characteristics and are dealing with the same control and operation challenges. Another important milestone of this work besides the benchmark study is to present a validation guide for the Hungarian transmission system operator (TSO) that can be sent directly to the operators of electric power generating modules with six different types. These guides contain compliance tests for the power plants to examine whether they meet the requirements of grid connection or not.
在匈牙利的电力系统中,以及在其他欧洲国家,可再生能源生产的份额正在增加。这些发电模块不像传统的同步发电模块那样包含旋转质量,这对电网在系统稳定性和频率控制方面提出了新的挑战。各国的配电系统运营商(dso)需要解决这一问题,并为发电厂设定频率、电压阈值和鲁棒性要求。考虑到其他国家(英国、德国、丹麦和芬兰)以前的实施,该项目旨在为匈牙利发电机创建特定的要求。在基准研究中介绍了这些国外地区的不同要求,这是整个项目的第一个重要部分。这样的实现只在匈牙利部分定义;因此,在某些情况下,有必要采用具有类似电网特性、面临相同控制和运行挑战的其他国家的实现方案。除了基准研究之外,这项工作的另一个重要里程碑是为匈牙利输电系统运营商(TSO)提供了一份验证指南,该指南可以直接发送给六种不同类型的发电模块的运营商。这些指南包含电厂的符合性测试,以检查它们是否符合并网要求。
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引用次数: 0
Review of the Energy transition assessment methods in touristic municipalities 旅游城市能源转型评价方法综述
Q4 Energy Pub Date : 2023-07-01 DOI: 10.24084/repqj21.348
C. Andrada-Monrós, E. Peñalvo-López, I. Valencia-Salazar, J. Cárcel-Carrasco
Initiatives have been launched by the EU to address climate change, including those aimed at islands and municipalities. Analysing the impact of the energy transition through modelling is essential for the strategic decision-making process to move forward to the ET. The new energy model requires municipalities to be key drivers, although their needs are very specific and depend on external factors such as their own governance. In the case of municipalities located on tourist islands, the need for tools and support for the creation of energy and sustainable transition plans is even more evident. Currently, methods and models have been developed for energy planning or for the assessment of different energy scenarios, but there is no model that integrates a multidimensional approach at the municipal level, enhances the decisions of policymakers, integrates a knowledge base specifically focused on islands and monitors the progress of local measures through energy indicators. This paper reviews the state of existing decisionmaking models and energy tools, specifically those aimed at islands and policymakers, and identifies the gaps to generate added value to facilitate the path to ET for island tourist municipalities and monitor their progress.
欧盟已经发起了应对气候变化的倡议,包括针对岛屿和城市的倡议。通过建模来分析能源转型的影响对于推进ET的战略决策过程至关重要。新能源模型要求市政当局成为关键驱动因素,尽管他们的需求非常具体,并且取决于外部因素,如他们自己的治理。对于位于旅游岛屿上的市政当局来说,为制定能源和可持续过渡计划提供工具和支持的必要性更加明显。目前,已经为能源规划或不同能源情景的评估制定了各种方法和模型,但没有一种模型在城市一级综合了多维方法,加强了决策者的决策,整合了专门以岛屿为重点的知识库,并通过能源指标监测地方措施的进展。本文回顾了现有决策模型和能源工具的现状,特别是针对岛屿和政策制定者的决策模型和能源工具,并确定了创造附加值的差距,以促进岛屿旅游市政当局实现环境效益,并监测其进展情况。
{"title":"Review of the Energy transition assessment methods in touristic municipalities","authors":"C. Andrada-Monrós, E. Peñalvo-López, I. Valencia-Salazar, J. Cárcel-Carrasco","doi":"10.24084/repqj21.348","DOIUrl":"https://doi.org/10.24084/repqj21.348","url":null,"abstract":"Initiatives have been launched by the EU to address climate change, including those aimed at islands and municipalities. Analysing the impact of the energy transition through modelling is essential for the strategic decision-making process to move forward to the ET. The new energy model requires municipalities to be key drivers, although their needs are very specific and depend on external factors such as their own governance. In the case of municipalities located on tourist islands, the need for tools and support for the creation of energy and sustainable transition plans is even more evident. Currently, methods and models have been developed for energy planning or for the assessment of different energy scenarios, but there is no model that integrates a multidimensional approach at the municipal level, enhances the decisions of policymakers, integrates a knowledge base specifically focused on islands and monitors the progress of local measures through energy indicators. This paper reviews the state of existing decisionmaking models and energy tools, specifically those aimed at islands and policymakers, and identifies the gaps to generate added value to facilitate the path to ET for island tourist municipalities and monitor their progress.","PeriodicalId":21076,"journal":{"name":"Renewable Energy and Power Quality Journal","volume":"211 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80661010","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: 0
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Renewable Energy and Power Quality Journal
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