Estimação da seção em falta e processamento de alarmes em sistemas de potência utilizando um sistema híbrido fundamentado na heurística construtiva e na programação inteira

• Ano de defesa: 2012
• Autor(a) principal: Fritzen, Paulo Cícero
• Tipo de documento: Tese
• 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: Processamento de alarmes; Estimação da seção em falta; Heurística Construtiva; Programação inteira; Inteligência computacional; Sistemas elétricos de potência; Alarm processing; Fault section estimate; Constructive heuristic; Integer programming; Computational intelligence; Electrical power systems; CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA
• Link de acesso: http://repositorio.ufsm.br/handle/1/3677

This work proposes a methodology which is able to accomplish alarms processing and to estimate fault section in electrical power systems. The purpose is to filter alarms generated during a shutdown and indicate which equipment is at fault. To solve this problem, the methods employed are Constructive Heuristic (CH) and Integer Programming (IP) through their integration. Initially, CH method performs an analysis of fault direction in each power system equipment through alarms signaled by protective relays and circuit breakers status. Thus, by having as much information as possible, CH carries out an analysis on the level of equipment (busbars, power transformers and transmission lines) which can or cannot identify the direction in which disturbance occurred. The final processing is performed by IP, which analyzes the response of protection system as a whole (system-level analysis), using post-fault topology of power grid along with response of CH, indicating the fault section (s) and possible failures in the opening of circuit breakers.