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Model for the expansion planning problem of distribution systems considering reliability 考虑可靠性的配电系统扩容规划问题模型
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543067
Gederson A. da Cruz, S. Haffner, Bibiana P. Ferraz, M. Resener, B. Venkatesh
{"title":"Model for the expansion planning problem of distribution systems considering reliability","authors":"Gederson A. da Cruz, S. Haffner, Bibiana P. Ferraz, M. Resener, B. Venkatesh","doi":"10.1109/ISGTLatinAmerica52371.2021.9543067","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543067","url":null,"abstract":"This paper presents a mixed-integer linear programming model for the expansion planning problem of power distribution systems (PDS). The objective function considers the investment costs of reconductoring existing branches and adding new branches, and operation costs, accounting for maintenance, energy losses, and voltage violations costs. Reliability is considered in the optimization model through the energy not supplied, system average interruption duration, and system average interruption frequency indexes, using a reward-penalty formulation. Numerical results are presented for a 54-node distribution system, comparing the expansion plans obtained when reliability assessment is considered or not in the objective function. The obtained results show the relevance of considering reliability indexes in the expansion planning of PDS.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115411615","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
Multi-carrier smart energy micro-grid analysis 多载波智能能源微电网分析
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543001
D. Šošić, A. Savic, Goran Dobrić
{"title":"Multi-carrier smart energy micro-grid analysis","authors":"D. Šošić, A. Savic, Goran Dobrić","doi":"10.1109/ISGTLatinAmerica52371.2021.9543001","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543001","url":null,"abstract":"In the era of smart grid and advanced technological development, including artificial intelligence, there is a possibility to expand the horizons when it comes to overall energy production, distribution and consumption. The current practice of having independent analysis and control of electrical, gas and heat networks should be abandoned for multi-carrier energy system analysis. Multi-carrier energy systems have coupling points in gas power plants, CHP and gas-CHP power plants, as well as at the consumption end. Smart homes and net metering enable consumers to control their energy demand and make decisions between electrical, gas or heat energy consumption, consequently affecting all three energy grids. A simplified coupled multi-carrier energy system is the combination of district heating and electricity networks. Combined Heat and Power (CHP) units, heat pumps and electric boilers create linkages between electricity and heat networks. This paper shows decomposed electrical-hydraulic-thermal calculation technique for multi-carrier energy system analysis.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115513594","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
Optimal sizing of Battery Energy Storage System in a PV-Battery system for a Net Zero Home 零净家庭光伏电池系统中电池储能系统的最佳尺寸
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9542997
Nzube Ntube, Haiyu Li
{"title":"Optimal sizing of Battery Energy Storage System in a PV-Battery system for a Net Zero Home","authors":"Nzube Ntube, Haiyu Li","doi":"10.1109/ISGTLatinAmerica52371.2021.9542997","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9542997","url":null,"abstract":"The need to reduce the greenhouse gases related to energy consumption in buildings has led to interest in net zero energy homes (NZEH). NZEH will be able to generate and transfer as much energy as demanded from the grid. To achieve this there has been an increase and adoption of photovoltaic (PV) system for generation within the home system. A battery energy storage system (BESS) will allow for demand dispatch and to overcome the intermittent nature of PV generation. An optimal BESS size will be cost effective, reduce wastage and ensure efficient system operation. An optimal sizing algorithm is implemented and a novel constraint introduced to enforce net zero transfer. The algorithm is assessed on a residential load profile. The results show that the system can achieve the desired objective but with an increase demand on the grid","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116824421","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
Multi-Label Classification of Voice Calls from Power Plant Operation Centers 电厂运营中心语音呼叫的多标签分类
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543080
F. Souza, Camila Barbosa, J. Gonçalves, Victor Furtado, Amanda Amaro, Felipe Pena, Ranielly C. Reis, Adrisson C. Floriano, Reginaldo De Oliveira Júnior
{"title":"Multi-Label Classification of Voice Calls from Power Plant Operation Centers","authors":"F. Souza, Camila Barbosa, J. Gonçalves, Victor Furtado, Amanda Amaro, Felipe Pena, Ranielly C. Reis, Adrisson C. Floriano, Reginaldo De Oliveira Júnior","doi":"10.1109/ISGTLatinAmerica52371.2021.9543080","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543080","url":null,"abstract":"This paper presents a machine learning-based pipeline to classify, in six labels, voice calls from power plant operation centers from ENGIE Brasil Energia (private power producer). The pipeline consists of a customized speech-to-text model from Amazon Web Services (AWS) followed by a multi-label text classification model. Our experiments showed how to leverage the performance of Amazon Transcribe with a custom vocabulary, as well as the predictive performance for different tree-based machine learning models. The work aims to facilitate the audit of internal actions and increase operational efficiency from the post-operation activities from ENGIE Brasil Energia (EBE). We achieved great predictive results, high accuracy, and Fl-score for all six labels.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116995980","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
Asset Management Model of SCADA Infrastructure of Power Control Centers based on Indicators 基于指标的电力控制中心SCADA基础设施资产管理模型
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543089
Alexandra Valencia, Jaime D. Pinzón
{"title":"Asset Management Model of SCADA Infrastructure of Power Control Centers based on Indicators","authors":"Alexandra Valencia, Jaime D. Pinzón","doi":"10.1109/ISGTLatinAmerica52371.2021.9543089","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543089","url":null,"abstract":"This paper presents an asset management model for electric power control centers, adopting international standards and proposing management indicators based on realtime monitoring. This asset management model is based on the ISO 55001 standard; after validating the state-of-the-art it has been found that there is no proposal for the management of this type of assets, due to this, the proposed model adopts international standard processes such as: documentation, monitoring, change management, auditing and maintenance. For the implementation of the asset management system (AMS) of control centers, management indicators of the SCADA infrastructure assets are proposed, which is monitored in real time, and the data is stored in long-term historical records. The indicators were implemented in four control centers in Latin America. The calculation of the proposed indicators allows the system administrator to make decisions in the control center maintenance process based on the condition of the assets.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114225695","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 Comprehensive Second-Life Review of Electric Vehicle Batteries - A Brazilian Study Case 电动汽车电池的全面第二生命回顾-巴西研究案例
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543057
A. Moreira, Daniel Robson Pinto, M. Rosolem, Luiz Rolim, M. S. Medrano, Eduardo Penteado Lacusta Junior
{"title":"A Comprehensive Second-Life Review of Electric Vehicle Batteries - A Brazilian Study Case","authors":"A. Moreira, Daniel Robson Pinto, M. Rosolem, Luiz Rolim, M. S. Medrano, Eduardo Penteado Lacusta Junior","doi":"10.1109/ISGTLatinAmerica52371.2021.9543057","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543057","url":null,"abstract":"In terms of their high round-trip efficiency and energy density, LiBs can be used for long periods before reaching the end of their useful life. These aspects make them an extremely attractive option for application in EVs, in which they can be used for an estimated period of a decade. However, when removed from these vehicles, as they no longer provide the necessary requirements for this application, the batteries still have about 80% of their available storage capacity. For this reason, combined with its internal characteristics and the massive application in electric mobility, it is estimated that a significant portion of the batteries removed from EVs will be destined for a second use. In this scenario, CPFL Energia, in cooperation with CPQD and BYD Brazil, is developing an R&D project, which aims to assess the remaining useful life of LiBs removed from EVs in a second application. The EV batteries can be reused in stationary energy storage systems, which was the application considered to carry out an economic analysis that allowed the pricing of second-life cells at US$ 90.1/kWh. Thus, in parallel, laboratory tests were performedto characterize the cells, and algorithms are being developed to be integrated in these systems, with the purpose of allow the analysis of their health status and the forecast of remaining useful life in this second use, which is the motivation for the elaboration of this paper.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114760759","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
Coordinated Strategy for SVC Operation: Ecuadorian Case SVC行动的协调策略:厄瓜多尔案例
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543083
Fernando Salinas-Herrera, Diego Salinas-Herrera, Geovanny Pardo-Salazar
{"title":"Coordinated Strategy for SVC Operation: Ecuadorian Case","authors":"Fernando Salinas-Herrera, Diego Salinas-Herrera, Geovanny Pardo-Salazar","doi":"10.1109/ISGTLatinAmerica52371.2021.9543083","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543083","url":null,"abstract":"This paper proposes a coordinated strategy for SVC operation in terms of SVC optimal reactive power reserve, dispatching of uneconomical forced thermal generation, and transmission system voltage quality. First, an operation strategy is developed at steady state operation to then find the dynamic response at N-l contingencies. A coordinated strategy is performed by evaluating the impact of the SVC operation at not only the controlled bus but the entire transmission system. This work constitutes a relevant base for analysing operation strategies for FACTS devices with an integral view (that is the impact on the wide area of the power system) and not just considering the local effects. The proposed operation strategy is validated on Ecuador realistic data with the aim to get the most benefits of such devices in coordination with other power system apparatus.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128127410","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
Optimization of Volt-Watt Control Parameters to Maximize Power Injection by DERs 优化电压-瓦特控制参数以使功率注入最大化
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543062
Yagoob Alsharief
{"title":"Optimization of Volt-Watt Control Parameters to Maximize Power Injection by DERs","authors":"Yagoob Alsharief","doi":"10.1109/ISGTLatinAmerica52371.2021.9543062","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543062","url":null,"abstract":"In the last two decades, the number of distributed energy resources (DERs) deployed in power systems has increased significantly. Although the total energy supplied by DERs is still less than the total annual load demand, their instantaneous power output can exceed the demand of the system at certain times. That leads to rising in the voltage magnitude and may result in a violation of the system's voltage limits. To combat this issue, a volt-watt control capability is required for systems with high DERs penetration. In this control scheme, DERs are required to curtail their real power output in response to voltage rise. In this paper, an MINLP model is developed to determine the parameters of the controller with the objective to maximize the power injected by the DERs, while maintaining the voltage within limits. Also, the model takes fairness among DERs into consideration.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134236088","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
Economic Dispatch of Fast Reserves Including Storage Systems to Compensate Wind Ramps 包括储能系统在内的快速储备补偿风坡道的经济调度
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543048
Paulo Henrique C. Da Cunha, O. Saavedra, Gilson S. Da Silva
{"title":"Economic Dispatch of Fast Reserves Including Storage Systems to Compensate Wind Ramps","authors":"Paulo Henrique C. Da Cunha, O. Saavedra, Gilson S. Da Silva","doi":"10.1109/ISGTLatinAmerica52371.2021.9543048","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543048","url":null,"abstract":"In this article, the economic dispatch problem of available reserves of fast response to compensate for ramps from renewable sources is formulated. In order to increase the equivalent response rate in mitigating the generation ramps, thermals units operating joint with storage systems are considered. The problem is formulated as a dynamic optimization process, by approximating the generating descent ramp through piece-wise linear representation which can be solved using an evolutionary strategy. Tests were performed with some small systems including a modified IEEE14 version. In order to illustrate the behavior of the proposed procedure, several scenarios are studied and results are included.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130971841","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 and Selectivity Analysis of Voltage-based Relays for Enhancing Microgrid Protection 加强微电网保护的电压型继电器的协调与选择性分析
2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) Pub Date : 2021-09-15 DOI: 10.1109/ISGTLatinAmerica52371.2021.9543050
Gabriella Pinheiro dos Santos, J. Vieira, A. Piardi
{"title":"Coordination and Selectivity Analysis of Voltage-based Relays for Enhancing Microgrid Protection","authors":"Gabriella Pinheiro dos Santos, J. Vieira, A. Piardi","doi":"10.1109/ISGTLatinAmerica52371.2021.9543050","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543050","url":null,"abstract":"This paper presented a detailed protection coordination and selectivity analysis of voltage-based relays used for microgrid protection. This type of protection has been investigated lately as a promising approach to ensure coordination and selectivity in grid-connected and islanded microgrids against short-circuit occurrences. The study considered the voltage-based protection applied in six scenarios of microgrid operation, varying the connection (grid-connected and islanded) and the types of distributed energy resources (synchronous generator, photovoltaic system, and battery energy storage system). The short-circuit analyses considered single-line and three-phase faults applied to the 14 bus CIGRE for different fault resistances. The voltages during the faults were obtained through time-domain simulations by using the PSCAD/EMTDC software. These voltages and the relays' time-voltage curves were used to calculate the relays' operating times. The extensive study presented in this paper revealed that the method was promising for microgrid protection since the voltage-based relay with an adaptive parameter can ensure coordination in grid-connected and islanded scenarios. In addition, the voltage-based relay showed to be sensitive to variations in the fault resistance.","PeriodicalId":120262,"journal":{"name":"2021 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131129538","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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