Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543078
Aline Pinheiro, F.O. Ramos, Martins M. B. Neto, Rafael N. Lima, Libina G. S. Bezerra, A. Washington
Renewable sources are becoming an important share of power generation. Although very beneficial for the environment, their instability caused by weather conditions can lead to power quality issues when connected to the grid. In order to minimize those power fluctuations, a Battery Energy Storage System can be coupled, providing or absorbing energy. This paper aims to review a few smoothing algorithms, such as Simple Moving Average, Double Moving Average, Exponential Moving Average, Moving Median, Ramp Rate, and Modified Ramp Rate, and compare them to the same simulation conditions, a 307.8 k W p solar photovoltaic system, for the purpose of finding the most suitable way to maintain the variation within an acceptable range while preserving the battery health. As the result of the analysis, a modification made on the ramp rate algorithm proposed in this paper that enables the battery State of Charge to return to its ideal level, stands out positively regarding the other methods.
可再生能源正在成为发电的重要组成部分。虽然对环境非常有益，但由于天气条件的不稳定性，在连接到电网时可能导致电能质量问题。为了最大限度地减少这些功率波动，可以耦合电池储能系统，提供或吸收能量。本文旨在回顾简单移动平均、双移动平均、指数移动平均、移动中位数、斜坡率和修正斜坡率等几种平滑算法，并将它们与307.8 k wp太阳能光伏系统的相同仿真条件进行比较，以寻找在保持电池健康的同时将变化保持在可接受范围内的最合适方法。分析结果表明，本文对斜坡率算法进行了改进，使电池的充电状态恢复到理想水平，在其他方法中具有突出的优势。
{"title":"A Review and Comparison of Smoothing Methods for Solar Photovoltaic Power Fluctuation Using Battery Energy Storage Systems","authors":"Aline Pinheiro, F.O. Ramos, Martins M. B. Neto, Rafael N. Lima, Libina G. S. Bezerra, A. Washington","doi":"10.1109/ISGTLatinAmerica52371.2021.9543078","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543078","url":null,"abstract":"Renewable sources are becoming an important share of power generation. Although very beneficial for the environment, their instability caused by weather conditions can lead to power quality issues when connected to the grid. In order to minimize those power fluctuations, a Battery Energy Storage System can be coupled, providing or absorbing energy. This paper aims to review a few smoothing algorithms, such as Simple Moving Average, Double Moving Average, Exponential Moving Average, Moving Median, Ramp Rate, and Modified Ramp Rate, and compare them to the same simulation conditions, a 307.8 k W p solar photovoltaic system, for the purpose of finding the most suitable way to maintain the variation within an acceptable range while preserving the battery health. As the result of the analysis, a modification made on the ramp rate algorithm proposed in this paper that enables the battery State of Charge to return to its ideal level, stands out positively regarding the other methods.","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":"126616505","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543055
Bendong Tan, Junbo Zhao, F. Milano, Qiupin Lai, Y. Zhang, D. Maldonado
Accurate estimation of local bus frequency is important for effectively controlling both synchronous and nonsynchronous generators. As the power grid evolves to accommodate essential reliability services such as virtual inertia from nonsynchronous generators, conventional techniques to estimate frequency face challenges. This paper proposes a new frequency estimation method that can effectively include the inertia contributions from double-fed wind generators (DFIGs). This is achieved through the proposed extended frequency divider formula (FDF) to include the contributions of DFIGs via Thevenin equivalents. The proposed extended FDF does not suffer from numerical issues as compared to existing phasor angle derivative-based approaches. Moreover, the knowledge of the rotor speeds of the synchronous machine and DFIGs as well as of the network admittance matrix allows estimating the frequencies of all buses in the grid, thereby significantly improving system situational awareness with a limited number of measurements. Numerical results on the IEEE 39-bus power system with DFIGs show that the proposed method achieves more accurate bus frequency estimations than the original FDF formula and other approaches based on the numerical derivation of the bus voltage phase angles.
{"title":"Extended Frequency Divider for Bus Frequency Estimation Considering Virtual Inertia from DFIGs","authors":"Bendong Tan, Junbo Zhao, F. Milano, Qiupin Lai, Y. Zhang, D. Maldonado","doi":"10.1109/ISGTLatinAmerica52371.2021.9543055","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543055","url":null,"abstract":"Accurate estimation of local bus frequency is important for effectively controlling both synchronous and nonsynchronous generators. As the power grid evolves to accommodate essential reliability services such as virtual inertia from nonsynchronous generators, conventional techniques to estimate frequency face challenges. This paper proposes a new frequency estimation method that can effectively include the inertia contributions from double-fed wind generators (DFIGs). This is achieved through the proposed extended frequency divider formula (FDF) to include the contributions of DFIGs via Thevenin equivalents. The proposed extended FDF does not suffer from numerical issues as compared to existing phasor angle derivative-based approaches. Moreover, the knowledge of the rotor speeds of the synchronous machine and DFIGs as well as of the network admittance matrix allows estimating the frequencies of all buses in the grid, thereby significantly improving system situational awareness with a limited number of measurements. Numerical results on the IEEE 39-bus power system with DFIGs show that the proposed method achieves more accurate bus frequency estimations than the original FDF formula and other approaches based on the numerical derivation of the bus voltage phase angles.","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":"122955177","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}
High voltage gas insulated switchgear (GIS) and lines (GIL) are considered as essential elements in Transmission Smart Grids. GIS and GILs are characterized by a high degree of reliability and long lifetime. Any failure in these types of equipment directly reduces grid reliability and increases maintenance costs. The failure analysis divulges that insulation deterioration is a principal factor in most of the breakdowns of GIS. Since gas-insulated apparatus are sealed structures, it is difficult to find internal incipient faults from outside. As such, intelligent condition-based asset management tools to detect the incipient faults to avoid functional failure is mandatory. Online partial discharge (PD) detection has been proven as the most effective tool for insulation degradation diagnosis. Both ultra-high frequency (UHF) technique and acoustic means have been popularly used in PD detection to enable the reliable, cost-effective life extension of existing plants. This paper presents state of the art in GIS/GIL online UHF PD diagnostics experienced by DEWA. It also explores the advantages of online PD monitoring as persuasive condition-based techniques for timely detection of potential faults. The paper also demonstrates real-life scenarios related to PD monitoring which increases the reliabilty of the grid.
{"title":"Diagnostic Technique with UHF PD Monitoring of HV GIS in Smart Grid","authors":"Zainuddin Aboo, Yogaraja Singaravelu, Rejimon Rasheed","doi":"10.1109/ISGTLatinAmerica52371.2021.9543051","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543051","url":null,"abstract":"High voltage gas insulated switchgear (GIS) and lines (GIL) are considered as essential elements in Transmission Smart Grids. GIS and GILs are characterized by a high degree of reliability and long lifetime. Any failure in these types of equipment directly reduces grid reliability and increases maintenance costs. The failure analysis divulges that insulation deterioration is a principal factor in most of the breakdowns of GIS. Since gas-insulated apparatus are sealed structures, it is difficult to find internal incipient faults from outside. As such, intelligent condition-based asset management tools to detect the incipient faults to avoid functional failure is mandatory. Online partial discharge (PD) detection has been proven as the most effective tool for insulation degradation diagnosis. Both ultra-high frequency (UHF) technique and acoustic means have been popularly used in PD detection to enable the reliable, cost-effective life extension of existing plants. This paper presents state of the art in GIS/GIL online UHF PD diagnostics experienced by DEWA. It also explores the advantages of online PD monitoring as persuasive condition-based techniques for timely detection of potential faults. The paper also demonstrates real-life scenarios related to PD monitoring which increases the reliabilty of 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":"124664434","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543002
Sowmya Ramachandradurai, K. Naravanan
The quantitative reliability analysis plays a significant role in assessing the performance of the distribution system operation strategy. This analysis is greatly influenced by customer interruption. In this paper, the islanding issue is considered as a customer interruption. The islanding is detected by simultaneous measurement of F&V (Frequency and Voltage) variation using passive islanding detection method. The detected islanding is prevented by installing diesel generator or battery depending on the power balance in the detected islanded buses. In this study, the proposed methods of islanding detection and prevention is tested on IEEE- 135 radial bus distribution system in the presence of various Distribution Generation (DG) units.
{"title":"An Improved (F&V) Based Passive Islanding Detection Strategy With Reliability Evaluation","authors":"Sowmya Ramachandradurai, K. Naravanan","doi":"10.1109/ISGTLatinAmerica52371.2021.9543002","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543002","url":null,"abstract":"The quantitative reliability analysis plays a significant role in assessing the performance of the distribution system operation strategy. This analysis is greatly influenced by customer interruption. In this paper, the islanding issue is considered as a customer interruption. The islanding is detected by simultaneous measurement of F&V (Frequency and Voltage) variation using passive islanding detection method. The detected islanding is prevented by installing diesel generator or battery depending on the power balance in the detected islanded buses. In this study, the proposed methods of islanding detection and prevention is tested on IEEE- 135 radial bus distribution system in the presence of various Distribution Generation (DG) units.","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":"129597108","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543045
D. V. João, Hamilton G. B. Souza, M. A. Martins
Broken Conductor Fault is an event where a line cable breaks and may or may not touch a ground surface. In case of touching the ground, a High Impedance Fault (HIF) can occur. This specific situation can lead to a detection fail for the protection system. It is due to the fact that the HIF does not produces enough fault current to operate conventional protection systems or fuse. On the other hand, if the cable does not touch any surface, the upstream protection equipment will not sense any overcurrent in its system; otherwise, it will sense a current reduction and the protection will not operate. To undertake this problems in a simple protection logic, this paper presents an implementation of a symmetrical component logic to enhance the traditional protection systems, mainly in a scenario where there are single-phase transformers. Those assets are source of unbalanced loads. Moreover, this paper presents a way to implement the logic proposed into the commercial IEDs. Lastly, performance results are showed through IED logic simulation software, and on-field performance is presented.
{"title":"Broken Conductor Fault Detection using Symmetrical Components in Distribution Power Systems - An Implementation Case","authors":"D. V. João, Hamilton G. B. Souza, M. A. Martins","doi":"10.1109/ISGTLatinAmerica52371.2021.9543045","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543045","url":null,"abstract":"Broken Conductor Fault is an event where a line cable breaks and may or may not touch a ground surface. In case of touching the ground, a High Impedance Fault (HIF) can occur. This specific situation can lead to a detection fail for the protection system. It is due to the fact that the HIF does not produces enough fault current to operate conventional protection systems or fuse. On the other hand, if the cable does not touch any surface, the upstream protection equipment will not sense any overcurrent in its system; otherwise, it will sense a current reduction and the protection will not operate. To undertake this problems in a simple protection logic, this paper presents an implementation of a symmetrical component logic to enhance the traditional protection systems, mainly in a scenario where there are single-phase transformers. Those assets are source of unbalanced loads. Moreover, this paper presents a way to implement the logic proposed into the commercial IEDs. Lastly, performance results are showed through IED logic simulation software, and on-field performance is presented.","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":"133946443","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543038
Zhigang Xiong, Caixue Chen, Xuanhui Peng, Gang Ouyang, Huixiang Lv
Non-intrusive load monitoring technology is of great significance for carrying out energy conservation and emission reduction work, obtaining the electricity consumption information of appliances and building smart grids. In the current load decomposition method, the combination optimization method only considers the traditional electrical features, which leads to low decomposition accuracy. Therefore, it is necessary to introduce new features to improve the load decomposition accuracy. In this paper, based on the traditional power features, the state transition rule of electrical appliances and user habits are considered, and non-electrical features are introduced into the load decomposition method, which requires less prior information to achieve load decomposition. Finally, the feasibility and effectiveness of the proposed method are verified based on the common data set AMPds.
{"title":"Non-intrusive Load Decomposition Considering Electrical Features and Non-electrical Features in the Combined Optimization Method","authors":"Zhigang Xiong, Caixue Chen, Xuanhui Peng, Gang Ouyang, Huixiang Lv","doi":"10.1109/ISGTLatinAmerica52371.2021.9543038","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543038","url":null,"abstract":"Non-intrusive load monitoring technology is of great significance for carrying out energy conservation and emission reduction work, obtaining the electricity consumption information of appliances and building smart grids. In the current load decomposition method, the combination optimization method only considers the traditional electrical features, which leads to low decomposition accuracy. Therefore, it is necessary to introduce new features to improve the load decomposition accuracy. In this paper, based on the traditional power features, the state transition rule of electrical appliances and user habits are considered, and non-electrical features are introduced into the load decomposition method, which requires less prior information to achieve load decomposition. Finally, the feasibility and effectiveness of the proposed method are verified based on the common data set AMPds.","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":"134643253","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543074
Marcelo Montufar, Wilson Pavón, Manuel Jaramillo, S. Simani
This paper presents a solar cell mathematical modelling and its irradiance and temperature influence, varying Rs parameter for I-V curve. The study has considered two study cases, a single and a double diode solar cell, solving by Newton Raphson iterative technique. In both scenarios, the solar cell is represented by schematic models, where the currents are defined by Kirchhoff's law. The solar cells equations describe the shortcircuit current and open-circuit voltage behaviour in I-V curves. The module Sunergy CSUN225-60M is implemented MatlabSimulink comparing the model development for the proposes mathematical model. The results show that irradiance and temperature have direct impact in photogenerated current, and open-circuit voltage, while Rs parameter only affects inversely the maximum power point.
{"title":"Solar Cell Mathematical Modelling Comparing Single and Double Diode Under Three Parameter Approach","authors":"Marcelo Montufar, Wilson Pavón, Manuel Jaramillo, S. Simani","doi":"10.1109/ISGTLatinAmerica52371.2021.9543074","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543074","url":null,"abstract":"This paper presents a solar cell mathematical modelling and its irradiance and temperature influence, varying Rs parameter for I-V curve. The study has considered two study cases, a single and a double diode solar cell, solving by Newton Raphson iterative technique. In both scenarios, the solar cell is represented by schematic models, where the currents are defined by Kirchhoff's law. The solar cells equations describe the shortcircuit current and open-circuit voltage behaviour in I-V curves. The module Sunergy CSUN225-60M is implemented MatlabSimulink comparing the model development for the proposes mathematical model. The results show that irradiance and temperature have direct impact in photogenerated current, and open-circuit voltage, while Rs parameter only affects inversely the maximum power point.","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":"130042295","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543077
Alyston Claydson V. Nascimento, H. A. Oliveira, J. G. de Matos, L. A. de Souza Ribeiro
Energy storage systems with batteries are critical points in isolated microgrids. Charging depends on the manufacturing technology, the methodology established by the manufacturer, and must be controlled depending on the voltage and current, considering the state of charge of the batteries, the power sources, and the load. In this work, a control for a dispatchable power source connected to the distribution network for charging battery banks in isolated microgrid is proposed, considering the dynamics of a distributed generation system. This control was implemented through a PAC (Programmable Automation Controller), considering two main charging approaches: a) a full battery bank charging, made when the battery state of charging reach the minimum permitted level, and b) a partial battery bank charging, made when the 90% of the maximum state of charging is not reached in the day. A real and consolidated system was used as a case study: this system is the isolated microgrid with generation distributed in Ilha Grande, northeastern Brazil.
{"title":"Dispatchable power source control for battery bank charging through a bidirectional grid forming converter in isolated microgrid","authors":"Alyston Claydson V. Nascimento, H. A. Oliveira, J. G. de Matos, L. A. de Souza Ribeiro","doi":"10.1109/ISGTLatinAmerica52371.2021.9543077","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543077","url":null,"abstract":"Energy storage systems with batteries are critical points in isolated microgrids. Charging depends on the manufacturing technology, the methodology established by the manufacturer, and must be controlled depending on the voltage and current, considering the state of charge of the batteries, the power sources, and the load. In this work, a control for a dispatchable power source connected to the distribution network for charging battery banks in isolated microgrid is proposed, considering the dynamics of a distributed generation system. This control was implemented through a PAC (Programmable Automation Controller), considering two main charging approaches: a) a full battery bank charging, made when the battery state of charging reach the minimum permitted level, and b) a partial battery bank charging, made when the 90% of the maximum state of charging is not reached in the day. A real and consolidated system was used as a case study: this system is the isolated microgrid with generation distributed in Ilha Grande, northeastern Brazil.","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":"114981151","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543073
Cleberton Reiz, J. Leite
Integration of distributed generation in power distribution networks provides many advantages and challenges to electric power system. Among challenges are the increase in levels of short-circuit currents and changes of power flow direction. These characteristics can interfere in the interruption capacity of protection devices, which are responsible for maintaining the integrity of distribution networks. Therefore, it is essential to understand the effects of distributed generation on protection systems to determine strategies that aim to solve the challenges imposed by this technology. The present work, first, proposes the mathematical formulation to coordinate overcurrent relays and fuse links, considering permanent and temporary faults. The solution is obtained through a dedicated genetic algorithm. Subsequently, this solution method is analyzed under different levels of penetration of distributed generators, allowing to identify points most susceptible to loss of coordination.
{"title":"Impact Analysis of Distributed Generation on Protection Devices Coordination in Power Distribution Systems","authors":"Cleberton Reiz, J. Leite","doi":"10.1109/ISGTLatinAmerica52371.2021.9543073","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543073","url":null,"abstract":"Integration of distributed generation in power distribution networks provides many advantages and challenges to electric power system. Among challenges are the increase in levels of short-circuit currents and changes of power flow direction. These characteristics can interfere in the interruption capacity of protection devices, which are responsible for maintaining the integrity of distribution networks. Therefore, it is essential to understand the effects of distributed generation on protection systems to determine strategies that aim to solve the challenges imposed by this technology. The present work, first, proposes the mathematical formulation to coordinate overcurrent relays and fuse links, considering permanent and temporary faults. The solution is obtained through a dedicated genetic algorithm. Subsequently, this solution method is analyzed under different levels of penetration of distributed generators, allowing to identify points most susceptible to loss of coordination.","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":"132208278","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}
Pub Date : 2021-09-15DOI: 10.1109/ISGTLatinAmerica52371.2021.9543087
Jaime D. Pinzón, Luis C. Arrieta
This paper presents a data analytics model applied to the management of equipment and functions of SCADA systems in power system control centers. The model is composed of systems for the management, analysis and visualization of data in the cloud that is based on the processing of data stored in long-term repositories with a focus on assisted decision- making. This model allows evaluating the behavior of equipment and functions of a control center to manage them in a timely manner. The proposed model was implemented in five power grid control centers in Latin America (Colombia, Peru and Bolivia), in which it is observed that the management of the SCADA system from data-driven model allows recognizing trend and behavior patterns for prioritizing preventive management.
{"title":"Data Analytics for Power Grid Control Centers Management","authors":"Jaime D. Pinzón, Luis C. Arrieta","doi":"10.1109/ISGTLatinAmerica52371.2021.9543087","DOIUrl":"https://doi.org/10.1109/ISGTLatinAmerica52371.2021.9543087","url":null,"abstract":"This paper presents a data analytics model applied to the management of equipment and functions of SCADA systems in power system control centers. The model is composed of systems for the management, analysis and visualization of data in the cloud that is based on the processing of data stored in long-term repositories with a focus on assisted decision- making. This model allows evaluating the behavior of equipment and functions of a control center to manage them in a timely manner. The proposed model was implemented in five power grid control centers in Latin America (Colombia, Peru and Bolivia), in which it is observed that the management of the SCADA system from data-driven model allows recognizing trend and behavior patterns for prioritizing preventive management.","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":"133574217","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}
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