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Application of Hardening Strategies and DG Placement to Improve Distribution Network Resilience against Earthquakes 加固策略和DG配置在提高配电网抗震能力中的应用
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326205
M. Ahmadi, M. Bahrami, M. Vakilian, M. Lehtonen
{"title":"Application of Hardening Strategies and DG Placement to Improve Distribution Network Resilience against Earthquakes","authors":"M. Ahmadi, M. Bahrami, M. Vakilian, M. Lehtonen","doi":"10.1109/TDLA47668.2020.9326205","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326205","url":null,"abstract":"During natural disasters, distribution systems operation is severely affected by facing many failures. In this regard, it is crucial to enhance the resilience of the distribution systems (DSs) against these disasters. However, nowadays, due to limitation of resources for investment in these networks, only the most efficient measures should be implemented. In this paper, a new tri-level optimization model based on the min-max-min model is presented to improve the distribution system resilience. In this method, reviewing the past earthquakes´ consequences in Iran and some parts of the world, three strategies are taken into account: 1- hardening distribution poles 2- hardening the connection of distribution transformers on their supporting poles 3- allocating distributed generator (DG) units in candidate nodes. In this model, the system planner determines which lines and nodes to be hardened in the upper level. In the middle level, the most vulnerable lines and nodes under occurrence of natural disasters are identified. In the lower-level, the system operator decides how to reconfigure the grid by a set of switching operations to minimize the load-shedding. The proposed method is implemented on a real 48-bus distribution network in Tehran. The results verify the effectiveness of the proposed method.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122999833","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
Methodology to Economic Evaluation of an Electric Vehicle Parking Lot Equipped with PV and Storage 光伏与储能相结合的电动汽车停车场经济评价方法
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326107
E. Xavier, Bruno Henriques Dias, J. Quirós-Tortós, Bruno Soares Moreira Cesar Borba
{"title":"Methodology to Economic Evaluation of an Electric Vehicle Parking Lot Equipped with PV and Storage","authors":"E. Xavier, Bruno Henriques Dias, J. Quirós-Tortós, Bruno Soares Moreira Cesar Borba","doi":"10.1109/TDLA47668.2020.9326107","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326107","url":null,"abstract":"There is a massive rollout of EVs to decarbonize the transport sector. Charging infrastructure is needed to enable that transition. Understanding the feasibility of the Electric Vehicles Parking Lots (EVPL) with and without additional technologies (i.e.: photovoltaic generation, batteries) is needed to make informed decisions considering its impact in the distribution network and also the market valuation in both short and long term planning. This paper proposes a methodology to perform an economic assessment of an EVPL equipped with photovoltaic generation, batteries, and EV chargers. The economic analysis is performed considering a long term operation of EVPL and also the adoption of different policies that impact the growth of EV penetration level. Thus, Net Present Value (NPV) and the Internal Rate of Return (IRR) are calculated to a set of different scenarios in order to obtain the best configuration in each case. Thus, it was verified that EVPL operation profitability is considerably affected by government policies and regulations. Moreover, the investment in batteries is of great importance to achieve some profit, while the PV generation in those models requires a large amount of investment but may favor higher returns.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123925379","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
Towards Distribution Feeders Frequency Response via Solid State Transformers 基于固态变压器的配电馈线频率响应研究
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326220
Carlos Fuentes, Estaben Riquelme, H. Chávez
{"title":"Towards Distribution Feeders Frequency Response via Solid State Transformers","authors":"Carlos Fuentes, Estaben Riquelme, H. Chávez","doi":"10.1109/TDLA47668.2020.9326220","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326220","url":null,"abstract":"Although Solid State Transformers have shown to be improve energy quality in distribution systems, its massive integration is a risk for the frequency stability as they prevent the loads from providing inertia and frequency respond to the system. Synthetic or virtual inertia strategies have been proposed to solve this problems in the case of wind and solar converters, but they are not directly applicable to solid state transformers. This paper propose a simple control strategy based on loads dynamic, SST and power system dynamics to provide the solid state transformer with frequency response. Study cases are presented using an ERCOT power system model and a Serbian distribution feeder model to show numerical results.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123995005","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
Hardware in the Loop Design and Testing of a PMU-Based Special Protection Scheme: Case Study of Colombia-Ecuador Interconnection 基于pmu的特殊保护方案的环内硬件设计与测试:以哥伦比亚-厄瓜多尔互联为例
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326098
Felipe Quintero-Zuluaga, Pablo Viana-Villa, Daniel Giraldo-Gómez, B. Arboleda, D. Villegas, Mauricio Sánchez, Camilo Pérez, N. Duque
{"title":"Hardware in the Loop Design and Testing of a PMU-Based Special Protection Scheme: Case Study of Colombia-Ecuador Interconnection","authors":"Felipe Quintero-Zuluaga, Pablo Viana-Villa, Daniel Giraldo-Gómez, B. Arboleda, D. Villegas, Mauricio Sánchez, Camilo Pérez, N. Duque","doi":"10.1109/TDLA47668.2020.9326098","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326098","url":null,"abstract":"The use of established technologies such as synchrophasor measurement and the use of emerging technologies such as Real-Time Digital Simulators -RTS- are gaining relevance in the design and testing of applications associated with the protection of power networks from a systemic point of view. This paper introduces the reasons that led to the decision to renew the Special Protection Scheme -SPS- in charge of separating the Colombian and Ecuadorian power networks in the presence of conditions that threaten the stability of either system. A brief history of the use of synchrophasor measurement in Colombia and several success cases in the implementation of PMU-based SPS worldwide are also given. The proposed protection functions implemented in the new SPS and a novel platform for testing SPS based on the use of Real-Time Digital Systems -RTS- in a Hardware in the Loop scheme -HIL- are described. Finally, lessons learned and conclusions are given.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124163480","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: 4
Mixture Density Networks applied to wind and photovoltaic power generation forecast 混合密度网络在风电和光伏发电预测中的应用
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326221
D. Vallejo, R. Chaer
{"title":"Mixture Density Networks applied to wind and photovoltaic power generation forecast","authors":"D. Vallejo, R. Chaer","doi":"10.1109/TDLA47668.2020.9326221","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326221","url":null,"abstract":"In this work, the training of a Mixture Density Network (MDN) type of Neural Network (NN) is presented. This network is used to forecast the power generated by wind and photovoltaic farms in Uruguay in a one week time frame. With the MDN model, not only the expected value of the hourly power generation is forecasted, but also a probability density function for each signal. This allows to provide information not only about the expected value of the power forecasted but also for how certain this value is estimated to be. The inputs of the network are meteorological values acquired from a private vendor and the output is the power generation probability density function. A comparison between the previously used models and the new one is shown and future improvements are discussed.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114565699","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
Review of Deep Learning Application for Short-Term Household Load Forecasting 深度学习在短期家庭负荷预测中的应用综述
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326148
Ana Apolo Peñaloza, A. Balbinot, R. Leborgne
{"title":"Review of Deep Learning Application for Short-Term Household Load Forecasting","authors":"Ana Apolo Peñaloza, A. Balbinot, R. Leborgne","doi":"10.1109/TDLA47668.2020.9326148","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326148","url":null,"abstract":"The load forecasting is important for the distribution system operation and expansion planning. The main methodologies for load forecasting using deep learning are Long Short-Term Memory (LSTM) and Convolution Neural Networks (CNN). LSTM is specialized in sequential data; on the other hand CNN is specialized in image data. The residential consumption can be treated as a time series (sequential data) and a two-dimensional (image data) dataset. Therefore, LSTM and CNN can be used to extract data characteristics from the residential consumption dataset. Thus, this paper reviews and compares the main methodologies for residential load forecasting such as CNN, LSTM, and CNN-LSTM. The mean square error (MSE) and root mean square error (RMSE) are used as metrics. The dataset is from real residential consumers in Ireland. The result shows a similar performance in training and testing. The best results are found when CNN and LSTM are used together.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127191694","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
Dissolved-Gas Analysis for Nitrogen-Blanketed Transformers 氮包覆变压器的溶解气体分析
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326211
J. Dukarm, Z. Draper
{"title":"Dissolved-Gas Analysis for Nitrogen-Blanketed Transformers","authors":"J. Dukarm, Z. Draper","doi":"10.1109/TDLA47668.2020.9326211","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326211","url":null,"abstract":"Nitrogen-blanketed transformers gradually flush out oxygen and fault gas in the course of temperature-driven headspace pressure regulation. Consequently it is possible in many such transformers for intermittent or moderate fault gas production to go unrecognized if fixed limits are used to detect abnormal gassing. The use of cumulative data and fault energy indexes can partly counteract the effect of gas loss and make fault gas production apparent. Four examples are discussed to show how this works.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124095757","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
Application of energy storage in systems with high penetration of intermittent renewables 储能在间歇性可再生能源高渗透率系统中的应用
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326232
Lucas Narbondo, P. Falugi, G. Strbac
{"title":"Application of energy storage in systems with high penetration of intermittent renewables","authors":"Lucas Narbondo, P. Falugi, G. Strbac","doi":"10.1109/TDLA47668.2020.9326232","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326232","url":null,"abstract":"Nowadays, in Uruguay, a considerable amount of energy produced by renewable resources is curtailed inducing frequent substantial reductions in the spot market prices. This paper analyses the incorporation of energy storage into the Uruguayan network, taking the different perspectives of a private investor and a central planner. From the investor point of view, we investigate the option of doing energy arbitrage in the wholesale market, taking advantage of the spot price fluctuations. From the national perspective, we develop an optimal power flow planning model to perform a cost-benefit analysis of batteries’ integration in reducing thermal generation. We conclude that, from a private investor perspective, fluctuations in the spot prices are not enough to make investments in batteries profitable with current prices. On the other hand, from a national perspective, results are more promising, obtaining very high revenues in some case studies.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126443040","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
Rogowski Coil Design for the Measurement of High Voltage Harmonics 高压谐波测量的Rogowski线圈设计
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326218
R. Sandler, M. Brehm, D. Slomovitz, G. Barreto
{"title":"Rogowski Coil Design for the Measurement of High Voltage Harmonics","authors":"R. Sandler, M. Brehm, D. Slomovitz, G. Barreto","doi":"10.1109/TDLA47668.2020.9326218","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326218","url":null,"abstract":"National and international standards include requirements for harmonics at sub-transmission voltages. In order to prepare for future requirements at high voltages, a device for measuring these harmonics is studied. It computes the voltage harmonic content through the current consumed by the installed capacitive voltage transformers. For that, it is proposed a custom designed Rogowski coil capable of measuring very low currents, and of working in presence of high electric fields.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131688971","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
Control Possibilities for Community Microgrids Considering Small Production Processes and its Benefits to the Whole System 考虑小生产过程的社区微电网的控制可能性及其对整个系统的好处
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326150
Christoph Strunck, C. Rehtanz, Danny Espin-Sarzosa, R. Palma-Behnke
{"title":"Control Possibilities for Community Microgrids Considering Small Production Processes and its Benefits to the Whole System","authors":"Christoph Strunck, C. Rehtanz, Danny Espin-Sarzosa, R. Palma-Behnke","doi":"10.1109/TDLA47668.2020.9326150","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326150","url":null,"abstract":"The control scheme is key for providing a stable and reliable grid operation under best economical conditions primarily in rural microgrids. The aim of this study was to investigate the use of a blackstart control scheme considering small production processes and its potential benefits for the whole system. A microgrid (MG) model based on the practical features of an actual MG called Huatacondo, which is located in the north of Chile has been developed to asses the control scheme capabilities. The results show that using the blackstart control scheme combined with the knowledge of the load behavior of the processes, it is feasible to maintain the system within its normal operating conditions. This indicates that when a failure in the system occurs, the control scheme is capable of recovering the whole system avoiding a severe decline in the frequency. Thus, the system can be operated in a cost-efficient way.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"16 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130608962","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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