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Study of the effect of SCR and Controller Gains on system stability in a Grid connected Solar Plant 并网太阳能电站可控硅和控制器增益对系统稳定性影响的研究
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326172
Shaik Salma, S. Ray
{"title":"Study of the effect of SCR and Controller Gains on system stability in a Grid connected Solar Plant","authors":"Shaik Salma, S. Ray","doi":"10.1109/TDLA47668.2020.9326172","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326172","url":null,"abstract":"The renewable energy sources now play a vital role in power generation. The grid connected PV system consists of inverters, power plant controller (PPC) and the grid. The power plant controller measures the quantities from the point of common coupling and regulates the inverters to ensure stable operation of the system. A stability analysis study has been presented in the paper with regards to the short circuit ratio, gains of the inverter and PPC controllers. The study has been presented in terms of pole placement and their movement in the complex plane. The study shows that appropriate tuning of inverter and PPC controllers can provide stable system behaviour even at low SCR conditions.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"4 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":"130038829","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
Power Transformers with PCB-Contaminated Mineral Oil: The Natural Ester Fluid as a Replacement Alternative 含多氯联苯污染矿物油的电力变压器:天然酯流体作为替代选择
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326188
R. I. da Silva, A. Sa
{"title":"Power Transformers with PCB-Contaminated Mineral Oil: The Natural Ester Fluid as a Replacement Alternative","authors":"R. I. da Silva, A. Sa","doi":"10.1109/TDLA47668.2020.9326188","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326188","url":null,"abstract":"The 2001 Stockholm Convention was convened to draft a global treaty for the regulation of persistent organic pollutants (POPs) and established an agreement to carry out the total removal of contaminated sources of PCBs (one of the POPs) by 2025 and their total destruction by 2028. PCBs were the basis of synthetic oils used as electrical insulating fluid in transformers. Decontamination processes using several chemical-physical treatments removes PCB present in the molecules of the contaminated insulating fluid. Natural ester insulating liquid can be a substitute alternative to replace PCB-contaminated mineral oil. A real case will be presented with a 16 MVA 88 kV power transformer with PCB-contaminated mineral oil and the field process to exchange it by a new natural ester fluid.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"11 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":"130679437","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
Power Transformers Assessment Applying Health Index and Apparent Age Methods 应用健康指数法和表观年龄法评价电力变压器
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326167
Micael M. Oliveira, V. Bender, T. Marchesan, A. M. Kaminski, L. H. Medeiros, H. Wilhelm, J. B. F. Neto
{"title":"Power Transformers Assessment Applying Health Index and Apparent Age Methods","authors":"Micael M. Oliveira, V. Bender, T. Marchesan, A. M. Kaminski, L. H. Medeiros, H. Wilhelm, J. B. F. Neto","doi":"10.1109/TDLA47668.2020.9326167","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326167","url":null,"abstract":"The power transformers conditions assessment are essential for the management of these assets by companies. In order to provide a tool to aid this process, a Health Index methodology along with the apparent age strategy, is applied to power transformers of the Santo Antonio Hydroelectric Plant in Brazil. This method is adapted to the plant reality and its transformers monitoring data, resulting in an assessment based on the global state and load history of the equipment.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"4 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":"126267767","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
Energy and greenhouse gas emission potential of Northwest Mesoregion of the State of Rio Grande do Sul, Brazil 巴西南里奥格兰德州西北中央区能源和温室气体排放潜力
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326237
Mauro F. Rodrigues, A. da Rosa Abaide, Gabriel H. Danielsson, Leonardo Willers, Marina Camponogara
{"title":"Energy and greenhouse gas emission potential of Northwest Mesoregion of the State of Rio Grande do Sul, Brazil","authors":"Mauro F. Rodrigues, A. da Rosa Abaide, Gabriel H. Danielsson, Leonardo Willers, Marina Camponogara","doi":"10.1109/TDLA47668.2020.9326237","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326237","url":null,"abstract":"Energy is indispensable for the global functioning of the economy. However, when using fossil fuels, the effects on the environment have been shown to be quite harmful, according to data from the IPCC, the UN body responsible for controlling carbon dioxide emissions and causing the atmosphere to heat up or the greenhouse effect. Thus generating energy from renewable sources is important to create a future scenario of technological and economic development without damage to our habitat. In this work, we analyze data from intensive swine farming in the Northwest Mesoregion of the State of Rio Grande do Sul, Brazil, to present the wasted energy potential by not transforming the biogas from the activity into electricity and how much this volume of gas generates from dioxide carbon equivalent directly into the atmosphere. By analyzing this region, with data from the Secretariat of Agriculture and Livestock, it was possible to determine an energy potential above 13 thousand cubic meters per hour (13,000 m3/h) of biogas, which means an energy potential for transformation of 37 MWh and an emission of CO2 greater than 6.5 tCO2e/h, in a conversion between the potential of Methane (21 times more polluting than CO2) contained in the biogas in a concentration around 60% and that brings a considerable calorific power to transform this biogas into electricity. For this purpose, the rules of Aneel Resolution 482/2012 and revised by 687/2015 will be used, which allows energy compensation for renewable energy thrown directly into the electricity distribution network from the application of biodigesters. Through the analysis carried out it was possible to determine that there is a high potential to generate electricity and reduce the emission of gases that cause the greenhouse effect in this region, as it concentrates, a large volume of swines in intensive livestock.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"27 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":"121191465","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
Protection Relay for Secondary Ferroresonance Suppression in Coupling Capacitor Voltage Transformers 耦合电容电压互感器二次铁谐振抑制保护继电器
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326165
J. Correa, J. Vega
{"title":"Protection Relay for Secondary Ferroresonance Suppression in Coupling Capacitor Voltage Transformers","authors":"J. Correa, J. Vega","doi":"10.1109/TDLA47668.2020.9326165","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326165","url":null,"abstract":"A new protection relay to detect, suppress and mitigate secondary ferroresonance in CCVTs is presented in this paper. The new protection relay uses frequency response characteristic to detect and characterized secondary ferroresonance and an electronic switch with back to back thyristor to introduce a commutable load to the CCVT’s secondary circuit for secondary ferroresonance suppression. The proposed protection relay has been verified with computer simulations and hardware experiments, which demonstrated a successful performance regarding three design aspects, namely, detection, suppression and security.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"60 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":"121706583","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
Evaluation of Power System Resilience Improvements in Low-Income Neighborhoods 低收入社区电力系统弹性改善评估
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326216
L. Souto, S. Santoso
{"title":"Evaluation of Power System Resilience Improvements in Low-Income Neighborhoods","authors":"L. Souto, S. Santoso","doi":"10.1109/TDLA47668.2020.9326216","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326216","url":null,"abstract":"This article provides an evaluation of power system resilience enhancements in low-income neighborhoods. Low-income households and communities may be subject to risks of different nature, such as natural hazards and human-made attacks, hereby considered as particular cases of high-impact, low-probability events that are highly likely to damage power grid infrastructures. Such events may result in long interruption times and lead to permanent disconnection from the grid in extreme cases, and consequently, the value of load lost may be much higher than the investment cost associated with prevention and mitigation alternatives. In this scenario, this article analyzes the value of load lost and the costs associated with installation, operation, and repair of grid components affected by extreme events to determine the benefits of different strategies for power system resilience improvements targeted at low-income neighborhoods.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"45 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":"122449646","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
Necessary Characteristics of a Modern Fuse for a Smart Grid, with Distributed Generation 分布式发电智能电网现代保险丝的必要特性
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326143
J. Gómez, D. Tourn, G. Campetelli, E. Florena, G. Zamanillo
{"title":"Necessary Characteristics of a Modern Fuse for a Smart Grid, with Distributed Generation","authors":"J. Gómez, D. Tourn, G. Campetelli, E. Florena, G. Zamanillo","doi":"10.1109/TDLA47668.2020.9326143","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326143","url":null,"abstract":"The fuse has based its long preeminence on electrical systems for its reliability and relative simplicity, due to follows well known physical principles. The complexity of the today distribution electric circuits, currently requires tools that provide intelligence, with which the \"Smart Grids\" are constituted. The fuse, in order to maintain its presence in low and medium voltage networks, must introduce characteristics that modern switches already possess, such as: remote operation, telemetering, automatic reconnection, directionality, adaptability, etc. Such improvements should not jeopardize the breaking capacity and reliability of the fuse. So far, some improvements have been introduced, many others are yet needed. A historical survey of the fuse previous designs tending to such objectives is presented. The improvements studied and in some cases already implemented commercially are described. It concludes in the need to recreate, update and improve the fuse, in order to comply with the requirements of intelligent distribution systems.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"91 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":"133752638","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
Distribution System State Estimation: A Primer for Application Based Research 配电系统状态估计:基于应用研究的基础
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326193
A. C. Melhorn, Nicholas Heine, B. Deaver
{"title":"Distribution System State Estimation: A Primer for Application Based Research","authors":"A. C. Melhorn, Nicholas Heine, B. Deaver","doi":"10.1109/TDLA47668.2020.9326193","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326193","url":null,"abstract":"Not surprisingly, distribution system state estimation (DSSE) has become a hot topic with increasing levels of customer owned/operated distributed energy resources (DER) and utilities investing in more distribution automation (DA) schemes for improved operations, protection and reliability. Recent research in DSSE has largely focused on the methods of calculating the state estimate while neglecting the use or application of the tool set. Nearly all modern distribution management system (DMS) vendors offer a stable and reliable DSSE solution. Applications specific to DSSE are presented along with the different challenges for formulating and applying DSSE compared to more traditional bulk system state estimation and power flows. This paper is not intended to be a review document, but a primer for the application and development of how best to apply DSSE to the operation of electric distribution systems.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"114 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":"124464785","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
Impacts of Photovoltaic Insertion On Distribution Losses in a Amazonian Distribution System 亚马逊流域配电系统中光伏接入对配电损耗的影响
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326185
Lucas Matheus de Sousa Lima, V. O. da Silva, Thiago Melo de Lima, Aline Santana Gallina
{"title":"Impacts of Photovoltaic Insertion On Distribution Losses in a Amazonian Distribution System","authors":"Lucas Matheus de Sousa Lima, V. O. da Silva, Thiago Melo de Lima, Aline Santana Gallina","doi":"10.1109/TDLA47668.2020.9326185","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326185","url":null,"abstract":"The objective of this work is to evaluate the impacts of distributed generation on the behavior of a medium voltage distribution network located in a hot and humid region of the Amazon. Specifically, the electrical network of the Federal University of Acre will be evaluated, using the open source software OpenDSS, before and after the insertion of a power of 180kWp in one of its line sections, analyzing the changes in network losses and flow of power. In the simulations carried out, a reduction of 8.9% was observed in the power flow of the local feeder and inversion of flow in the connection section of the photovoltaic plant, in addition to a reduction in losses in the order of 8.7% in the lines close to the photovoltaic generation (PV). With the data obtained, it’s clear that distributed generation, notably PV generation, can contribute to reducing losses in the electrical system and improving associated services.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"66 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":"133932668","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
Quadratic approximate dynamic programming for scheduling water resources: a case study 水资源调度的二次近似动态规划:一个案例研究
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI: 10.1109/TDLA47668.2020.9326171
Agustin Castellano, Camila Mart'inez, Pablo Monz'on, J. Bazerque, Andrés Ferragut, F. Paganini
{"title":"Quadratic approximate dynamic programming for scheduling water resources: a case study","authors":"Agustin Castellano, Camila Mart'inez, Pablo Monz'on, J. Bazerque, Andrés Ferragut, F. Paganini","doi":"10.1109/TDLA47668.2020.9326171","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326171","url":null,"abstract":"We address the problem of scheduling water re-sources in a power system via approximate dynamic programming. To this goal, we model a finite horizon economic dispatch problem with convex stage cost and affine dynamics, and consider a quadratic approximation of the value functions. Evaluating the achieved policy entails solving a quadratic program at each time step, while value function fitting can be cast as a semidefinite program. We test our proposed algorithm on a simplified version of the Uruguayan power system, achieving a four percent cost reduction with respect to the myopic policy.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"46 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":"114803802","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
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