Sistema multivariável para avaliação de desempenho e estabelecimento de limites de continuidade de fornecimento de energia utilizando a lógica fuzzy

• Ano de defesa: 2012
• Autor(a) principal: Knak Neto, Nelson
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Santa Maria; BR; Engenharia Elétrica; UFSM; Programa de Pós-Graduação em Engenharia Elétrica
• Palavras-chave em Português: Limites de desempenho; Confiabilidade; Avaliação de desempenho; Lógica fuzzy; Performance limits; Reliability; Performance assessment; Fuzzy logic; CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA
• Link de acesso: http://repositorio.ufsm.br/handle/1/8512

This Master s Dissertation presents the development of a methodology for performance assessment and establishment of limits of power supply continuity using Fuzzy Logic, including the processes of selecting variables that characterizethe problemand determiningadjustments tothe limitsof thecontinuity indexes. The studybegins withextensive researchto selectvariablesthat most closely characterize the reliability problem ofpower distributionnetworks. After this selection,the systemis divided intotwo levels of assessment. At the first level, the variables are grouped intothreeindependent systems defining indexes that evaluatenetwork reliabilitydue tooperational characteristics, the quality of networksand the influenceof the environment. At the second level, these indexesare evaluatedon a new systemtogether with thehistorical performanceof consumer sets, from where adjustmentsare obtained and applied to the limitsof power supply continuity established by ANEEL (Regulatory Agency). DatafromtheState CompanyofElectric Power Distribution(CEEE-D) is applied and the results of the developed system are evaluated. From the resultsobtained, it becomes possible to identifyand proposeadjustmentsto the limits ofperformanceand to definepriority targets foractions aimed at to improving thequality ofpower supply.