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Proposta de um sistema híbrido composto por redes neurais artificiais e algorítmos genéticos para o tratamento de alarmes e o diagnóstico de faltas em sistemas elétricos de potência
(Universidade Federal de Santa Maria, 2011-02-18)
This work proposes a hybrid system for alarm processing and fault diagnosis in
electrical networks which use two methods of computational intelligence: Generalized
Regression Neural Network and Genetic Algorithms. The ...
Estimação fasorial aplicada a relés de proteção numéricos utilizando os métodos de ajuste de curvas e redes neurais artificiais
(Universidade Federal de Santa Maria, 2014-02-21)
This dissertation proposes two methodologies for the phasor estimation on protective relays in Electrical Power Systems. Firstly, a theoretical introduction of signal processing, the structure of a protective relay and ...
Análise do impacto da manutenção em sistemas de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2017-03-01)
The new models of distribution concession contracts brought news to electric power concessionaires. By linking the renewal of concessions to the quality of service, in the midst of a period of national financial crisis, ...
Metodologia para previsão de carga no horizonte de curto prazo utilizando redes neurais
(Universidade Federal de Santa Maria, 2019-08-28)
Competitiveness and the insertion of new technologies in the electricity sector now condition companies
to find ways to improve the quality of their services and ensure profitability. The short-term load
forecasting ...
Emprego de redes neurais artificiais para predição de temperatura de topo de óleo e perda de vida útil em transformadores de potência
(Universidade Federal de Santa Maria, 2020-09-24)
The precise temperature prediction in power transformers allows a better use of its nominal capacity, extending the equipment's useful life and strategic planning based on the expected future operating conditions. The ...
Desenvolvimento de uma ferramenta para previsão de curto prazo da geração de energia fotovoltaica
(Universidade Federal de Santa Maria, 2021-05-12)
The dissemination of photovoltaic systems in the distribution of electricity, as a complement to the large centralized generating units, motivates research related to the forecast of the hourly capacity for distributed ...
Planejamento de geração de energia complementar térmica associada a energias renováveis utilizando inteligência artificial
(Universidade Federal de Santa Maria, 2019-07-29)
The Brazilian Electrical System has a diversified electric power generation matrix, nevertheless
it is mainly composed by hydrothermal generation. In this sense, the operational planning of
this system can be detailed ...
Avaliação de métodos de previsão de cargas elétricas em curto prazo para aplicação em sistemas de distribuição inteligentes
(Universidade Federal de Santa Maria, 2013-08-09)
In Electric Power Systems understand the future behavior of electric loads is crucial to make a decision. The long, medium and short term load forecast is essential power systems. Considering the gradual transformation of ...
Identificação de perdas não técnicas em sistemas de distribuição agregando dados exógenos e inteligência artificial
(Universidade Federal de Santa Maria, 2022-08-29)
Identifying of Non-Technical Losses (NTL) is one of the most challenging tasks in power
distribution systems due to its technical difficulty, adversities encountered in locus and cost of
moving units for verification in ...
Extração e reconhecimento de caracteres ópticos a partir do co-projeto de hardware e software sobre plataforma reconfigurável
(Universidade Federal de Santa Maria, 2008-03-07)
This work presents the implementation and analysis of a system devoted to the extraction and recognition of optical characters which is based on the hardware and software co-design methodology and built over a reconfigurable ...