Uma contribuição à estratégia para alocação de medidores e estimação das distorções harmônicas

• Ano de defesa: 2018
• Autor(a) principal: Santos, Gustavo Gonçalves
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Uberlândia; Brasil; Programa de Pós-graduação em Engenharia Elétrica
• Palavras-chave em Português: Engenharia Elétrica; Sistemas elétricos de potência; Sistemas de energia elétrica - Estimação de estado; Algoritmos computacionais; Análise harmônica; CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA::SISTEMAS ELETRICOS DE POTENCIA
• Link de acesso: https://repositorio.ufu.br/handle/123456789/20662; http://dx.doi.org/10.14393/ufu.di.2018.111

In view of the recognized increase in the levels of harmonic distortions present in the distribution and transmission networks and the establishment of limits for this phenomenon by regulatory agencies, the search for optimized means to determine the levels of distortions present in the electric networks has motivated several researches aimed at the question of the harmonic state estimators applied for this purpose. Such challenges become urgent considering the large number of physical points present in the electrical networks and that require monitoring, a fact that is determinant for the search of means that come, from a minimum number of meters, to determine the operational state in which it is an electrical complex regarding the indicators considered herein. In this context, it is recognized that there are several methods for the meters’ allocation and state estimation procedures, whose the last is a highly applicable tool for the so-called determined systems, as well, as non-determined ones. Focusing on this area of concentration, this work is directed to the evaluation process of the performance of five evolutionary algorithms and, through simulations conducted through a program developed for the purposes of this research, such procedures are tested and evaluated as to their effectiveness for the requirements of the correlation between the levels of existing harmonic distortions and those required by the required standards.