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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
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830472
Qingwen Pang, Antonio De Paola, G. Strbac, V. Trovato
{"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
A New Method for Analyzing the Voltage Stability to Assess the Power Load Buses in Power Systems 电力系统负荷母线电压稳定性分析的新方法
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830371
Luu Huu Vinh Quang
{"title":"A New Method for Analyzing the Voltage Stability to Assess the Power Load Buses in Power Systems","authors":"Luu Huu Vinh Quang","doi":"10.1109/energycon53164.2022.9830371","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830371","url":null,"abstract":"This paper proposes a new algorithm with a new formula for assessing and ranking the power load buses concerning the voltage stability involved in the short-circuit faults occurring in multi-machine power system operations. The new mathematical formula, determined by the values of transient voltage stability estimation (TVSE), allows estimating the transient state and assessing the transient structures of the power systems concerning the transient voltage stability. The oscillations of the generator’s angular velocities, varying in time and causing the power network’s non-linearity in transient configurations of the power system under the condition of the single-shot automatic line reclosing, are mathematically simulated. The transient parameters, such as the synchronous, asynchronous, damping torques, angles of transient electromotive forces, are simulated under the impact of automatic voltage and frequency regulation. The transient voltage stability estimation values are determined to assess the transient structures influenced by the continuous disturbance of angular velocities of the generators operating in the multi-machine power system. The typical examples and results prove the advantages of the new algorithm features for analyzing the multiple contingencies with the ALR in multi-machine power systems.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"23 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":"129421152","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
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830444
I. Drovtar, T. Korõtko, A. Mutule, E. Kairisa, A. Rosin
{"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
A New Single Source Five-Level Common Ground Switched Capacitor based Inverter 一种新型单源五电平共地开关电容逆变器
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830422
Tala Hemmati Shahsavar, O. Husev, E. Babaei, M. Sabahi, D. Vinnikov, Arash Khoshkbar-Sadigh
{"title":"A New Single Source Five-Level Common Ground Switched Capacitor based Inverter","authors":"Tala Hemmati Shahsavar, O. Husev, E. Babaei, M. Sabahi, D. Vinnikov, Arash Khoshkbar-Sadigh","doi":"10.1109/energycon53164.2022.9830422","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830422","url":null,"abstract":"This paper proposes a five-level inverter. The proposed multilevel inverter is based on Switched Capacitor (SC) circuits. The charged capacitors act as a virtual dc link in the negative half-cycle. This feature leads to using a single dc source. Additionally, the proposed Multilevel Inverter (MLI) benefits from the common ground feature. The leakage current is eliminated fully in this structure which is of great importance in transformer-less systems. The proposed MLI is described comprehensively. The operational modes are discussed. The correct operation of the proposed structure is confirmed by MATLAB/Simulink.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"75 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":"128584900","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
Towards to sustainability of education: the mutual cooperation with partners in Smart city project 迈向教育的可持续性:在智慧城市项目中与合作伙伴的相互合作
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830212
M. Mitova, P. Tomov, N. Kunicina, A. Patlins, M. Mansurova, Oyun-Erdene Namsrai
{"title":"Towards to sustainability of education: the mutual cooperation with partners in Smart city project","authors":"M. Mitova, P. Tomov, N. Kunicina, A. Patlins, M. Mansurova, Oyun-Erdene Namsrai","doi":"10.1109/energycon53164.2022.9830212","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830212","url":null,"abstract":"The article presents the European evaluation within the scope of the project SMARTCITY:Innovative Approach Towards a Master Program on Smart Cities Technologies. The evaluation covers assessment of teachers from PC universities (SSTU, NSTU, NUM, MUST.KAZNU, ENU), who have been selected to participate in the project-related mobilities to increase knowledge in the field of SCT. In the project is planned developing of 18 teaching materials published with e-ISBN by PC teachers involved in the project.The article also covers quality assessment of teaching materials developed within the project by PC universities and assessment of students’ knowledge which is done at the beginning of their training in the EU Universities and during the Master theses defense.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"54 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":"121427385","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
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
2022 IEEE 7th International Energy Conference (ENERGYCON) 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
{"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
Issues Of Developing Measures To Analyze Storage Medium For Educational Achievements Of Students 制定学生学业成绩存储介质分析措施的问题
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830269
Vladimir Yavorskiy, D. Kaibassova, Yelena Klyuyeva
{"title":"Issues Of Developing Measures To Analyze Storage Medium For Educational Achievements Of Students","authors":"Vladimir Yavorskiy, D. Kaibassova, Yelena Klyuyeva","doi":"10.1109/energycon53164.2022.9830269","DOIUrl":"https://doi.org/10.1109/energycon53164.2022.9830269","url":null,"abstract":"The article presents the results of a research on improving systems of storage and analysis of student educational achievements at the university. The educational achievements are the results of work of students on disciplines within the syllabus framework. When designing the storage for these educational achievements, it is proposed to build an ontology of the subject area, the main classes and slots are highlighted. To analyze student works, it is proposed to use document clustering methods that allow identifying groups of semantically similar documents among the specified fixed set of documents automatically. The article describes the used metrics of spatial similarity.","PeriodicalId":106388,"journal":{"name":"2022 IEEE 7th International Energy Conference (ENERGYCON)","volume":"28 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":"130682110","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
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
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830437
Tobias Häring, Luca Link, A. Rosin, H. Biechl
{"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
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
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830224
Minh-Quan Tran, T. Tran, P. Nguyen, L. Tuan
{"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
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
2022 IEEE 7th International Energy Conference (ENERGYCON) Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830154
Hossein Nourollahi Hokmabad, J. Belikov, Oleksander Husev, D. Vinnikov
{"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
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