首页 > 最新文献

2022 IEEE 7th International Energy Conference (ENERGYCON)最新文献

英文 中文
Voltage Stability Improvement by Inclusion of Parallel Transmission Lines: A Case Study of Western Kenya Region 并联输电线路改善电压稳定性:以肯尼亚西部地区为例
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830229
Richard Ochieng Obumba, P. Musau, A. Nyete
An integrated power system should provide stable and reliable power supply in any given economy. Western Kenya Region (WKR) has experienced voltage instabilities caused by inadequate transmission line infrastructure. The remedy adopted by Kenya Power is Under Voltage Load Shedding This paper proposes inclusion of parallel transmission lines to lower overall impedance and improve voltage stability and power transfer capability. The region's transmission system was modelled on an IEEE 39 Bus System and simulated using Digsilent Powerfactory software. The results revealed that parallel inclusion of transmission network significantly improved voltage levels and reduced loading of the main transmission lines into the region. The minimum bus voltage improved by up to 6.2%, whereas power transfer capability improved by an average of 42.09%. A Benefit/Cost Analysis qualified implementation of the proposed project to be economically viable. Due to increased loading on transmission lines, addition of Capacitor banks or suitable Flexible Alternating Current Transmission System devices at the buses with the lowest voltages would be recommended.
综合电力系统应在任何给定经济条件下都能提供稳定可靠的电力供应。西肯尼亚地区(WKR)经历了输电线路基础设施不足造成的电压不稳定。肯尼亚电力采取的补救措施是低压减载。本文提出纳入并联输电线路,以降低整体阻抗,提高电压稳定性和电力传输能力。该地区的传输系统以IEEE 39总线系统为模型,并使用Digsilent Powerfactory软件进行模拟。结果表明,输电网络的并联包含显著提高了电压水平,并减少了进入该地区的主输电线路的负荷。最小母线电压提高了6.2%,而功率传输能力平均提高了42.09%。效益/成本分析证明拟议项目的实施在经济上是可行的。由于传输线上的负载增加,建议在最低电压的母线上增加电容器组或合适的柔性交流传输系统设备。
{"title":"Voltage Stability Improvement by Inclusion of Parallel Transmission Lines: A Case Study of Western Kenya Region","authors":"Richard Ochieng Obumba, P. Musau, A. Nyete","doi":"10.1109/energycon53164.2022.9830229","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830229","url":null,"abstract":"An integrated power system should provide stable and reliable power supply in any given economy. Western Kenya Region (WKR) has experienced voltage instabilities caused by inadequate transmission line infrastructure. The remedy adopted by Kenya Power is Under Voltage Load Shedding This paper proposes inclusion of parallel transmission lines to lower overall impedance and improve voltage stability and power transfer capability. The region's transmission system was modelled on an IEEE 39 Bus System and simulated using Digsilent Powerfactory software. The results revealed that parallel inclusion of transmission network significantly improved voltage levels and reduced loading of the main transmission lines into the region. The minimum bus voltage improved by up to 6.2%, whereas power transfer capability improved by an average of 42.09%. A Benefit/Cost Analysis qualified implementation of the proposed project to be economically viable. Due to increased loading on transmission lines, addition of Capacitor banks or suitable Flexible Alternating Current Transmission System devices at the buses with the lowest voltages would be recommended.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117038680","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
An electrolytic capacitor-less multiple-output LED driver with a universal input voltage 具有通用输入电压的无电解电容多输出LED驱动器
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830255
Khaled Awad, O. Abdel-Rahim, M. Gaafar, M. Orabi, A. Chub, A. Blinov, D. Vinnikov
Over the last decades, light-emitting diodes have gained a special position in the lighting market over the conventional lighting sources due to their unique features over them such as their high efficacy, long lifetime, reduced power consumption, and being environmentally friendly. So, in this paper a multiple-output LED driver is proposed, the suggested topology has the advantages of being electrolytic capacitor-less which greatly extends the driver life span, the proposed topology has the ability to control the currents in each output channel independently and operate at a universal range of the supply voltage from 85 Vrms to 265 Vrms.
在过去的几十年里,发光二极管在照明市场上比传统照明光源获得了特殊的地位,因为它们具有高效率、长寿命、低功耗和环保等独特的特点。因此,本文提出了一种多输出LED驱动器,所建议的拓扑结构具有无电解电容的优点,大大延长了驱动器的寿命,所提出的拓扑结构具有独立控制每个输出通道电流的能力,并且可以在85到265 Vrms的通用电源电压范围内工作。
{"title":"An electrolytic capacitor-less multiple-output LED driver with a universal input voltage","authors":"Khaled Awad, O. Abdel-Rahim, M. Gaafar, M. Orabi, A. Chub, A. Blinov, D. Vinnikov","doi":"10.1109/energycon53164.2022.9830255","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830255","url":null,"abstract":"Over the last decades, light-emitting diodes have gained a special position in the lighting market over the conventional lighting sources due to their unique features over them such as their high efficacy, long lifetime, reduced power consumption, and being environmentally friendly. So, in this paper a multiple-output LED driver is proposed, the suggested topology has the advantages of being electrolytic capacitor-less which greatly extends the driver life span, the proposed topology has the ability to control the currents in each output channel independently and operate at a universal range of the supply voltage from 85 Vrms to 265 Vrms.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129147838","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
Determining optimisation Framework for Local Energy Communities 确定地方能源社区的优化框架
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830444
I. Drovtar, T. Korõtko, A. Mutule, E. Kairisa, A. Rosin
Local energy communities (LEC) are cooperatives required to meet the ambitious targets of the European Green Deal. LECs are suitable to mitigate the challenges that increased integration of distributed generation puts on the grid and generation asset owners. The authors provide input to the general optimisation framework to develop LEC mathematical optimisation models to efficiently solve the multilateral economic dispatch decision on the low voltage distribution network. The input is beforehand validated with optimisation software to provide a priority list of which of the optimisation targets impact the performance of LEC most.
地方能源社区(LEC)是实现《欧洲绿色协议》雄心勃勃的目标所必需的合作社。LECs适合缓解分布式发电日益一体化给电网和发电资产所有者带来的挑战。在通用优化框架的基础上,建立了LEC数学优化模型,有效地解决了低压配电网多边经济调度决策问题。输入预先用优化软件进行验证,以提供哪个优化目标对LEC的性能影响最大的优先级列表。
{"title":"Determining optimisation Framework for Local Energy Communities","authors":"I. Drovtar, T. Korõtko, A. Mutule, E. Kairisa, A. Rosin","doi":"10.1109/energycon53164.2022.9830444","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830444","url":null,"abstract":"Local energy communities (LEC) are cooperatives required to meet the ambitious targets of the European Green Deal. LECs are suitable to mitigate the challenges that increased integration of distributed generation puts on the grid and generation asset owners. The authors provide input to the general optimisation framework to develop LEC mathematical optimisation models to efficiently solve the multilateral economic dispatch decision on the low voltage distribution network. The input is beforehand validated with optimisation software to provide a priority list of which of the optimisation targets impact the performance of LEC most.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131736460","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: 3
The impact of variable wind and demand levels on the flexible operation of interconnectors in Great Britain 多变的风力和需求水平对英国互联连接器灵活运行的影响
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830472
Qingwen Pang, Antonio De Paola, G. Strbac, V. Trovato
This paper analyses the potential benefits for flexible operation of interconnectors in cross-border power systems. The underlying modelling approach enables the simultaneous cross-border exchange of power and inertia-dependent frequency response services through the interconnector. Two main operational paradigms are adopted. The first considers the interconnectors as centrally-operated assets; the latter envisages them as profit-seeking private entities. Furthermore, the proposed work adopts a sampling-based method to assess the impact of wind and demand variability on the short-term operation of the interconnectors, evaluating the sensitivities of relevant operational and economical metrics with respect to wind availability and demand levels. A comprehensive set of case studies is developed considering the Great Britain (GB)-France interconnected systems. The studies show significant value for interconnectors under a wide range of system conditions.
本文分析了跨界电力系统中互联器灵活运行的潜在效益。潜在的建模方法能够通过互连器同时跨境交换功率和惯性相关的频率响应服务。采用了两种主要的操作范式。第一种方法将互连器视为集中操作的资产;后者将它们设想为追求利润的私人实体。此外,建议的工作采用基于抽样的方法来评估风和需求变化对互联网络短期运行的影响,评估有关风可用性和需求水平的相关运营和经济指标的敏感性。考虑到英国(GB)-法国互联系统,开发了一套全面的案例研究。这些研究对广泛的系统条件下的互连器具有重要的价值。
{"title":"The impact of variable wind and demand levels on the flexible operation of interconnectors in Great Britain","authors":"Qingwen Pang, Antonio De Paola, G. Strbac, V. Trovato","doi":"10.1109/energycon53164.2022.9830472","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830472","url":null,"abstract":"This paper analyses the potential benefits for flexible operation of interconnectors in cross-border power systems. The underlying modelling approach enables the simultaneous cross-border exchange of power and inertia-dependent frequency response services through the interconnector. Two main operational paradigms are adopted. The first considers the interconnectors as centrally-operated assets; the latter envisages them as profit-seeking private entities. Furthermore, the proposed work adopts a sampling-based method to assess the impact of wind and demand variability on the short-term operation of the interconnectors, evaluating the sensitivities of relevant operational and economical metrics with respect to wind availability and demand levels. A comprehensive set of case studies is developed considering the Great Britain (GB)-France interconnected systems. The studies show significant value for interconnectors under a wide range of system conditions.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"255 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131699094","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
Soft Start-up Current Control of an LCC-S Compensated Inductive Charging System lc - s补偿感应充电系统的软启动电流控制
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830463
D. Barth, M. Suriyah, T. Leibfried
Starting an inductive power transmission (IPT) system requires regulation of the inverter current. Otherwise, overcurrent or hard-switching may occur. This publication discusses the soft-start of a full-bridge inverter powering stationary inductive charging of an electric vehicle (EV) battery. Compensation by the LCC-S network is used for this purpose, as well as the controllable dc link voltage on the primary side. The control strategy also takes advantage of variable frequency and phase shift. A transient state model of the circuit serves as the simulation environment for verification. It is shown that the inclusion of the dc link voltage simplifies the starting conditions and helps keeping zero voltage switching (ZVS) throughout the whole charging process.
启动感应功率传输(IPT)系统需要调节逆变器电流。否则会造成过流或硬开关。本出版物讨论了全桥逆变器为电动汽车(EV)电池的固定感应充电供电的软启动。采用lc - s网络进行补偿,并在一次侧控制直流链路电压。该控制策略还利用了变频和相移的优点。电路的暂态模型作为验证的仿真环境。结果表明,直流链路电压的加入简化了启动条件,有助于在整个充电过程中保持零电压切换。
{"title":"Soft Start-up Current Control of an LCC-S Compensated Inductive Charging System","authors":"D. Barth, M. Suriyah, T. Leibfried","doi":"10.1109/energycon53164.2022.9830463","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830463","url":null,"abstract":"Starting an inductive power transmission (IPT) system requires regulation of the inverter current. Otherwise, overcurrent or hard-switching may occur. This publication discusses the soft-start of a full-bridge inverter powering stationary inductive charging of an electric vehicle (EV) battery. Compensation by the LCC-S network is used for this purpose, as well as the controllable dc link voltage on the primary side. The control strategy also takes advantage of variable frequency and phase shift. A transient state model of the circuit serves as the simulation environment for verification. It is shown that the inclusion of the dc link voltage simplifies the starting conditions and helps keeping zero voltage switching (ZVS) throughout the whole charging process.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123166667","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
Coordination of Load Tap Changer and Distributed Energy Resources to Improve Long-term Voltage Stability 负载分接开关与分布式能源的协调以提高长期电压稳定性
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830224
Minh-Quan Tran, T. Tran, P. Nguyen, L. Tuan
Along With the increased installation of the distributed energy resources (DER) in distribution system, long-term voltage stability at the transmission level can be improved if proper coordination is developed between DERs and the existing grid controllers, e.g., load tap changer (LTC). This paper analyzes the problem of long-term voltage instability and presenting possible countermeasures. The study summarizes essential aspects for modelling, including LTC, DERs, and especially voltage dependent load. A coordination between DERs and LTC is proposed to allocate better power supply, especially at the coupling points between transmission and distribution networks, i.e. primary substation. A case study is performed using a modified CIGRE medium-voltage benchmark network. The simulation results have shown that the coordination has substantially improved the long-term voltage stability in the way of using the reactive power support from DERs and increasing the LTC position instated of decreasing as the traditional method.
随着分布式能源(DER)在配电系统中的安装量的增加,如果分布式能源与现有电网控制器(如负荷分接开关(LTC))之间进行适当的协调,可以提高输电级电压的长期稳定性。本文分析了电压长期不稳定的问题,并提出了可能的对策。该研究总结了建模的基本方面,包括LTC, DERs,特别是电压相关负载。为了更好地分配电力供应,本文提出了分布式配电系统(DERs)和LTC之间的协调,特别是在输配电网络之间的耦合点,即主变电站。使用改进的CIGRE中压基准网络进行了案例研究。仿真结果表明,利用DERs的无功支持,提高LTC位置,而不是像传统方法那样降低LTC位置,大大提高了电压的长期稳定性。
{"title":"Coordination of Load Tap Changer and Distributed Energy Resources to Improve Long-term Voltage Stability","authors":"Minh-Quan Tran, T. Tran, P. Nguyen, L. Tuan","doi":"10.1109/energycon53164.2022.9830224","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830224","url":null,"abstract":"Along With the increased installation of the distributed energy resources (DER) in distribution system, long-term voltage stability at the transmission level can be improved if proper coordination is developed between DERs and the existing grid controllers, e.g., load tap changer (LTC). This paper analyzes the problem of long-term voltage instability and presenting possible countermeasures. The study summarizes essential aspects for modelling, including LTC, DERs, and especially voltage dependent load. A coordination between DERs and LTC is proposed to allocate better power supply, especially at the coupling points between transmission and distribution networks, i.e. primary substation. A case study is performed using a modified CIGRE medium-voltage benchmark network. The simulation results have shown that the coordination has substantially improved the long-term voltage stability in the way of using the reactive power support from DERs and increasing the LTC position instated of decreasing as the traditional method.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"202 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116171053","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: 1
Hybrid energy storage lifetime-oriented control strategy in islanded microgrids: A real time simulation case study 孤岛微电网混合储能寿命控制策略:实时仿真案例研究
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830437
Tobias Häring, Luca Link, A. Rosin, H. Biechl
To reduce greenhouse gas emissions, volatile energy production from renewable sources is highly encouraged by international agreements. This leads to balancing challenges of demand and supply which can be addressed with smart grids or even smart city concepts. Demand side management control strategies for flexibility harvesting often include energy storage systems, like flywheel- (FESS) and battery (BESS) storages. To investigate different control strategies for a hybrid energy storage system with a flywheel and battery storage in an islanded microgrid, an existing flywheel is modernized with state-of-the-art components to support real time power hardware in the loop simulations. Testing a load levelling control strategy with this test bench showed that the cyclic lifetime of the battery storage system could be increased with peak shaving due to a reduced amount of charging and discharging operations. An excessive energy buffering control method could increase the islanded operation time by using nearly 10% of the otherwise lost energy. However, these results with the testbench showed limited use for research with the current setup due to low capacity and high self-discharge rate of the existing FESS. But due to the MATLAB-based programming interface, it is perfectly suitable as an educational setup for the demonstration of possible implementations of the European Green Deal.
为了减少温室气体排放,国际协议大力鼓励利用可再生能源生产不稳定的能源。这导致平衡需求和供应的挑战,这可以通过智能电网甚至智能城市概念来解决。灵活收集的需求侧管理控制策略通常包括能源存储系统,如飞轮(FESS)和电池(BESS)存储。为了研究孤岛微电网中具有飞轮和电池储能的混合储能系统的不同控制策略,对现有飞轮进行了现代化改造,配备了最先进的组件,以支持实时电源硬件在环仿真。利用该试验台对负载均衡控制策略进行了测试,结果表明,由于充放电操作的减少,电池储能系统的调峰可以增加循环寿命。过度能量缓冲控制方法可以利用近10%的能量损失来增加孤岛运行时间。然而,由于现有FESS的低容量和高自放电率,试验台的这些结果表明,目前的设置对研究的使用有限。但是由于基于matlab的编程接口,它非常适合作为示范欧洲绿色协议可能实施的教育设置。
{"title":"Hybrid energy storage lifetime-oriented control strategy in islanded microgrids: A real time simulation case study","authors":"Tobias Häring, Luca Link, A. Rosin, H. Biechl","doi":"10.1109/energycon53164.2022.9830437","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830437","url":null,"abstract":"To reduce greenhouse gas emissions, volatile energy production from renewable sources is highly encouraged by international agreements. This leads to balancing challenges of demand and supply which can be addressed with smart grids or even smart city concepts. Demand side management control strategies for flexibility harvesting often include energy storage systems, like flywheel- (FESS) and battery (BESS) storages. To investigate different control strategies for a hybrid energy storage system with a flywheel and battery storage in an islanded microgrid, an existing flywheel is modernized with state-of-the-art components to support real time power hardware in the loop simulations. Testing a load levelling control strategy with this test bench showed that the cyclic lifetime of the battery storage system could be increased with peak shaving due to a reduced amount of charging and discharging operations. An excessive energy buffering control method could increase the islanded operation time by using nearly 10% of the otherwise lost energy. However, these results with the testbench showed limited use for research with the current setup due to low capacity and high self-discharge rate of the existing FESS. But due to the MATLAB-based programming interface, it is perfectly suitable as an educational setup for the demonstration of possible implementations of the European Green Deal.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129478773","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: 2
Proposition of a Portfolio optimization System to Manage a Commercial Virtual Power Plant in the Brazilian Free Energy Market 巴西自由能源市场中管理商业虚拟电厂的投资组合优化系统的提出
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830431
C. Santos, Isla Almeida Oliveira, Pâmela Rugoni Belin, M. A. Ludwig, J. R. H. Rodrigues, M. A. I. Martins
In face of the possibility of freely trading energy in the Brazilian market, a model is proposed to define an optimal contracting strategy for a Commercial Virtual Power Planet (CVPP) for years ahead. The idea behind the CVPP is to aggregate loads in order to obtain contractual benefits, acquiring long-term contracts at lowest prices and taking advantage of the complementary nature of the load profiles when settling the differences between consumption and contracts. The model, called Portfolio optimization System (POS) – in Portuguese, “Sistema de Otimização de Portfólio” (SOP) –, is based on Mixed-integer Linear Programming (MILP) and aims to maximize profit, considering a certain level of risk, represented by the Conditional Value-at-Risk (CVaR). In this paper the motivation behind the model and its potential market value as a tool for portfolio management, especially for energy retailers, are presented. With the Brazilian Energy Market business rules defined, a case study is proposed in order to compare optimized long-term contracting and short-term contracting without any optimization. The profit resulting from the use of the tool is valued at 31% in this case study.
面对巴西市场能源自由交易的可能性,提出了一个模型来定义未来几年商业虚拟电力星球(CVPP)的最优承包策略。CVPP背后的理念是将负荷聚集在一起,以获得合同利益,以最低价格获得长期合同,并在解决消费和合同之间的差异时利用负荷概况的互补性。该模型被称为投资组合优化系统(POS),葡萄牙语为“Sistema de otimiza ode Portfólio”(SOP),基于混合整数线性规划(MILP),考虑到一定程度的风险,以条件风险价值(CVaR)为代表,旨在实现利润最大化。本文介绍了该模型背后的动机及其作为投资组合管理工具的潜在市场价值,特别是对能源零售商。定义了巴西能源市场的业务规则后,提出了一个案例研究,以比较优化的长期合同和没有任何优化的短期合同。在本案例研究中,使用该工具产生的利润价值为31%。
{"title":"Proposition of a Portfolio optimization System to Manage a Commercial Virtual Power Plant in the Brazilian Free Energy Market","authors":"C. Santos, Isla Almeida Oliveira, Pâmela Rugoni Belin, M. A. Ludwig, J. R. H. Rodrigues, M. A. I. Martins","doi":"10.1109/energycon53164.2022.9830431","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830431","url":null,"abstract":"In face of the possibility of freely trading energy in the Brazilian market, a model is proposed to define an optimal contracting strategy for a Commercial Virtual Power Planet (CVPP) for years ahead. The idea behind the CVPP is to aggregate loads in order to obtain contractual benefits, acquiring long-term contracts at lowest prices and taking advantage of the complementary nature of the load profiles when settling the differences between consumption and contracts. The model, called Portfolio optimization System (POS) – in Portuguese, “Sistema de Otimização de Portfólio” (SOP) –, is based on Mixed-integer Linear Programming (MILP) and aims to maximize profit, considering a certain level of risk, represented by the Conditional Value-at-Risk (CVaR). In this paper the motivation behind the model and its potential market value as a tool for portfolio management, especially for energy retailers, are presented. With the Brazilian Energy Market business rules defined, a case study is proposed in order to compare optimized long-term contracting and short-term contracting without any optimization. The profit resulting from the use of the tool is valued at 31% in this case study.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129799819","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: 1
State-of-the-art Activity Recognition and Prediction Techniques Applicable to the Home Energy Management System 适用于家庭能源管理系统的最先进的活动识别和预测技术
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830154
Hossein Nourollahi Hokmabad, J. Belikov, Oleksander Husev, D. Vinnikov
Owing to the tendency to convert ordinary homes to smart ones, there are novel opportunities for home energy management systems to exploit the binary and analog sensors collected information to enhance their performance. Having accurate forecasting about the behavior of house inhabitants, and their preferences could help the system be more efficient and reliable. In this paper, some state-of-the-art activity recognition and prediction techniques are reviewed and we introduce a conceptual platform for interactive collaboration between smart homes and energy management systems.
由于将普通家庭转换为智能家庭的趋势,家庭能源管理系统有新的机会利用二进制和模拟传感器收集的信息来提高其性能。准确预测房屋居民的行为和偏好,有助于提高系统的效率和可靠性。在本文中,我们回顾了一些最先进的活动识别和预测技术,并介绍了智能家居和能源管理系统之间交互协作的概念平台。
{"title":"State-of-the-art Activity Recognition and Prediction Techniques Applicable to the Home Energy Management System","authors":"Hossein Nourollahi Hokmabad, J. Belikov, Oleksander Husev, D. Vinnikov","doi":"10.1109/energycon53164.2022.9830154","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830154","url":null,"abstract":"Owing to the tendency to convert ordinary homes to smart ones, there are novel opportunities for home energy management systems to exploit the binary and analog sensors collected information to enhance their performance. Having accurate forecasting about the behavior of house inhabitants, and their preferences could help the system be more efficient and reliable. In this paper, some state-of-the-art activity recognition and prediction techniques are reviewed and we introduce a conceptual platform for interactive collaboration between smart homes and energy management systems.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121965014","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
Application of Hilbert-Huang and Stockwell Transforms to Fault Location in Transmission Lines Using Traveling Wave Theory Hilbert-Huang和Stockwell变换在行波输电线路故障定位中的应用
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830381
A. P. Oliveira, F. Moreira, A. Picanco
This paper presents an application and comparison between two techniques, the Hilbert-Huang and Stockwell transforms, to extract the characteristic data from two terminals and use them with the traveling wave theory for fault location in a 200 km long transmission line between two voltage sources. The MATLAB/Simulink® software was used to simulate different fault conditions and analyze the voltage signals, through the programmed algorithm, to calculate the fault location. The results obtained have shown the efficiency in using the techniques to identify the traveling wave arrival time and locate the fault with a low computational cost, considering all types of faults. Different fault locations and fault resistances were considered.
本文介绍了Hilbert-Huang变换和Stockwell变换两种技术的应用和比较,从两个端面提取特征数据,并将其与行波理论结合起来用于200 km长的两个电压源之间的传输线的故障定位。利用MATLAB/Simulink®软件模拟不同的故障情况,对电压信号进行分析,通过编程算法,计算出故障位置。结果表明,在考虑各种类型故障的情况下,该方法可以有效地识别行波到达时间,并以较低的计算成本进行故障定位。考虑了不同的故障位置和故障电阻。
{"title":"Application of Hilbert-Huang and Stockwell Transforms to Fault Location in Transmission Lines Using Traveling Wave Theory","authors":"A. P. Oliveira, F. Moreira, A. Picanco","doi":"10.1109/energycon53164.2022.9830381","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830381","url":null,"abstract":"This paper presents an application and comparison between two techniques, the Hilbert-Huang and Stockwell transforms, to extract the characteristic data from two terminals and use them with the traveling wave theory for fault location in a 200 km long transmission line between two voltage sources. The MATLAB/Simulink® software was used to simulate different fault conditions and analyze the voltage signals, through the programmed algorithm, to calculate the fault location. The results obtained have shown the efficiency in using the techniques to identify the traveling wave arrival time and locate the fault with a low computational cost, considering all types of faults. Different fault locations and fault resistances were considered.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127979682","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: 1
期刊
2022 IEEE 7th International Energy Conference (ENERGYCON)
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1