2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)最新文献

{"title":"Multi-Level Optimization Model for Electrical Energy Demand with User-Supplier Interaction","authors":"S. Bragagnolo, J. Vaschetti, F. Magnago","doi":"10.1109/TDLA47668.2020.9326173","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326173","url":null,"abstract":"Demand Side Management (DSM) is a new paradigm in the context of Smart Grids (SG) to improve the quality of electrical energy and optimize the demand profile. Several researchers have been proposed based on a one-level optimization method to optimize a load profile however, not may have been proposed a two-level method. In this work, a two-level optimization method is presented, which optimizes the electrical cost of the user and the micro-grid demand profile. To solve the problem, two objective functions are formulated, and a Genetic Algorithm (GA) is used, establishing an \"indirect control\" of the loads. The proposed algorithm allowed minimizing the electrical cost and improved the demand profile with the user-supplier interaction. Furthermore, the supplier does not need to know user behavior to optimize the demand profile in the grid.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"1 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":"129914555","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}

{"title":"Simplified Analytic Procedure to Calculate the Electric Variables at Steady State of Type-III and Type-IV Wind Generators","authors":"Andrés Argüello","doi":"10.1109/TDLA47668.2020.9326197","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326197","url":null,"abstract":"This paper presents a set of analytic expressions to obtain the electric variables in the steady state operational point of type-III and type-IV wind generators, based on the simplification of their time domain models. This approach is an attractive alternative over traditional electromagnetic transients (EMT) simulation and numerical iterative methods as it requires no computational resources and little modeling detail. This work was motivated from the necessity of such operational point to calculate detailed impedance vs. frequency profiles of the generators for wind park resonance assessment, when including the effects of their phase-locked loops, DC bus couplings, and outer control loops for power and voltage regulation. From this work, it was possible to derive didactic circuit equivalents of the wind generators which can be used to: observe the behavior of inner variables of the generator such as magnetic fluxes and currents for several setpoints and wind conditions; study the power losses of the generators; calculate the capacity of power electronics converters of type-III generators; and even set protections and saturation limits of generator controllers. Detailed EMT simulations were used to validate the expressions.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"17 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":"131215589","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}

{"title":"Optimal Sizing of Distributed Photovoltaic Generation in a MV Network","authors":"J. Torres, Angel A. Recalde, Iván Endara","doi":"10.1109/TDLA47668.2020.9326137","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326137","url":null,"abstract":"This paper presents a methodology for the optimal location of photovoltaic distributed generation (DG) in balanced or unbalanced electric power distribution system. The performance evaluation of the network is developed using the Open Distribution Systems Simulator software (OpenDSS) while the cost optimization is carried out using MATLAB optimization toolbox. An International Council on Large Electric Systems (CIGRE) medium voltage (MV) distribution network model is used as a test-system for sizing and locating photovoltaic generation sites. The optimization formulation considers the installation cost minimization, in addition to complying with other operational constraints. The case study scenarios shown were developed using an algorithm based on an optimal analysis of the installation cost for a solar plant and the grid power required to supply the total demand of the system. The results showed that DGs contribute to the improvement of the system's performance, with particular enhancement of system's voltages.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"16 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":"134535814","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}

{"title":"Analysis of consumer-centric market models in the Brazilian context","authors":"Pedro Barbosa, B. Dias, T. Soares","doi":"10.1109/TDLA47668.2020.9326204","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326204","url":null,"abstract":"In recent years, the large deployment of distributed energy resources (DERs) in low voltage networks is changing the traditional approach to power systems. This massive change is pushing towards new solutions to improve energy trading in low voltage networks. Consumer-centric options, such as full peer-to-peer (P2P) and energy community markets (CM) are seen as viable options to increase the active participation of end-users in the electricity markets. This work studies the full P2P and CM market approaches applied to the actual regulatory framework in Brazil, evaluating and comparing both approaches to be potentially applied in Brazil. A case study based on a typical Brazilian neighborhood is designed, allowing to assess the behavior of consumers and prosumers in both markets. The results show the economic viability of both models, considering the social welfare and the penetration of distributed generation in the system. An important conclusion under the current regulatory framework is that the full P2P can have greater benefits over the CM, as long as the distributed generation is enough to confer near self-sufficiency to the peer’s demand.","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":"132237333","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}

{"title":"Pumped Storage Case Study in Uruguay: Simulation and Value","authors":"Federico Sanz, J. Cataldo, R. Chaer","doi":"10.1109/TDLA47668.2020.9326190","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326190","url":null,"abstract":"An hypothetical 220 MW pumped storage power plant to be incorporated in Uruguayan grid was considered. System operation modelling and an operation along 20-year simulation in order to estimate whole system supply cost savings was made applying the SimSEE tool. As outstanding results total cost much lower than the estimated without the system and some of projects main specifications should change in order to make it economically feasible. In addition, to have a better visualization how this technology might operate, simulations where run for several random weeks, including one during 2020 pandemic period.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"65 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":"133155886","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}

{"title":"Greenhouse Gas Reduction Through the Introduction of Electric Vehicles in Urban Zones","authors":"I. M. Mello, F. J. Faustino, J. Melo, A. P. Feltrin","doi":"10.1109/TDLA47668.2020.9326144","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326144","url":null,"abstract":"The decarbonizing the transportation system through the introduction of electric vehicles in urban zones has intensified in recent years. This paper presents a methodology for modeling electric vehicles in an urban zone using transportation tools to determine the decrease in greenhouse gas emission values in the main avenues and streets due to various electric mobility technologies and the analysis of charging stations in the electric network. The results of the proposed methodology are the spatial databases that can be observed in geographic information systems to assist city planners in the incentive policies for decarbonization, distribution planners in the location of the infrastructure for charging and the measurement of the impacts on voltage levels with the electric vehicle recharge at charging stations to provide information to distribution network planners.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"34 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":"128654729","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}

{"title":"Analysis of Battery Energy Storage System Sizing in Isolated PV Systems Considering a Novel Methodology and Panel Manufacturers Recommended Methodology","authors":"A. Abubakar, Carlos Frederico Meschini Almeida","doi":"10.1109/TDLA47668.2020.9326161","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326161","url":null,"abstract":"This paper presents the analysis of two BESS sizing methodology in solar PV systems, a proposed methodology considering predicted hourly solar radiation data and the methodology recommended by panel manufacturers. In the proposed method, Solar radiation behavior is predicted by studying and processing historical hourly solar radiation data of a location in Brazil using Box-Jenkins method and autoregressive (AR) and time series models are used to generate hourly synthetic series. The generated series combined with hourly load demand and battery storage capacity are used in simulating a PV system and the BESS is sized considering energy deficit and supply interruption outcomes. Comparison is made between the result of the proposed methodology and that of panel manufacturers’ methodology considering two case studies. Results of the analysis showed that the proposed methodology is more adequate for BESS sizing. Probability analysis is also performed using multiple radiation scenarios of synthetic solar radiation data.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"92 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":"134434661","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}

{"title":"Potential induced degradation (PID): Review","authors":"Hellen Ferreira Barreto Miranda, Luan Peixoto da Costa, Stefhany Oliveira Soares, Jonathan Velasco da Silva","doi":"10.1109/TDLA47668.2020.9326184","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326184","url":null,"abstract":"Potential induced degradation (PID) is a problem that in recent years has been the focus of research and studies on the performance of the photovoltaic module (PV) under field conditions, in view of the consequences caused by this degradation. Even with extensive material, the understanding of the PID phenomenon is still incomplete, but it must be taken into account that technological and environmental diversity are factors that imply in reversal techniques. This article aims to conduct a critical review in order to provide an overview and broad view of the literature available to promote understanding of the current state of PID research. The role is to present the definitions of the PID mechanism supported by scholars and researchers as well as the influence of temperature, humidity and voltage on the progression of the PID and the detection and reversal methodologies and preventive measures in PV c-Si modules.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"194 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":"134006748","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}

{"title":"Disaggregation of Cold Appliance Loads from Smart Meter Data Processing","authors":"Thierry Zufferey, G. Hug, G. Valverde","doi":"10.1109/TDLA47668.2020.9326105","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326105","url":null,"abstract":"In a context where an increasing flexibility is required from the demand side in distribution systems, cold appliances such as refrigerators can offer a continuous and non-negligible flexibility potential. Nevertheless, efficient demand response schemes based on cold appliances inevitably rely on the accurate estimation of their actual load not only at an aggregate level, but directly at the household level. Therefore, we propose two novel approaches to disaggregate the load profile of cold appliances from residential smart meter data. Both approaches are complementary and exhibit a MAE generally lower than 40W with 1- to 15-minute resolution data at the household level. Their applicability is finally demonstrated on more than 4000 loads.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"37 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":"126900913","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}

{"title":"Towards a Colombian Power System Fully Supervised with PMU: Scalability Test of the iSAACnet Communications Network","authors":"Daniel Giraldo-Gómez, B. Arboleda, Pablo Viana-Villa, Felipe Quintero-Zuluaga, D. Villegas, Mauricio Sánchez, Álvaro Tóbon, Jorge Gómez, N. Duque","doi":"10.1109/TDLA47668.2020.9326229","DOIUrl":"https://doi.org/10.1109/TDLA47668.2020.9326229","url":null,"abstract":"The Synchrophasor initiative in Colombia, led by the Colombian Electric Power System Operator XM, has deployed a Wide Area Measurement System (WAMS) aimed to increase the supervision capabilities, promote new automatic control/protection schemes and improve situational awareness. Currently there are over 120 phasor measurement units (PMU) installed across the country, all of them integrated to the National Control Center (CND by its Spanish name). As the energetic transition of the country continues, several changes in the regulatory framework will take place in the short term, and as a consequence it is expected that in the next five years about 2000 new PMU will be deployed in substations, conventional power generators and renewable energy resources. The continuously growing amount of data produced by the WAMS compared with the traditional approach poses new challenges from the point of view of signal processing, data management and network infrastructure. Since 2008, XM has conceptualized and implemented a communications network dedicated to information traffic associated with the operation of the national electricity grid, mainly synchrophasors. iSAACnet, as it is known, works under the publisher / subscriber paradigm, in which information flows on a data bus and each node can produce or consume information on demand, with the particularity that in iSAACnet each node is an intelligent decision device (iDD) capable of performing advanced processing and serve as multiprotocol gateway. iSAACnet is currently composed of six nodes distributed in substations, the data bus is backed by a multiprotocol label switching (MPLS) network. This paper reviews the history of the use of synchrophasor measurements in Colombia, and shares the efforts that XM has made to achieve in the short term having a scalable communications network oriented to the management and processing of information associated to the national grid operation.","PeriodicalId":448644,"journal":{"name":"2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)","volume":"67 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":"123742592","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}