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Desenvolvimento de aplicativo baseado no método de Duval para análise de gases em transformadores
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2016-06-02)
This work proposes the development of an application on the analysis of gases dissolved in mineral transformer oil, of all classes of voltage and power, the Duval Triangle method. Through simulations in the application, ...
Método do triângulo de Duval para análise dos óleos isolantes silicone e éster natural
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2017-06-08)
This work presents a study and application of the Duval Method for alternative insulation fluids. A tool for incipient faults diagnosis is developed. The properties of silicone oil and natural ester as dielectric fluids ...
Estudo da localização de faltas em sistemas de transmissão HVDC utilizando ondas viajantes
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2020-11-20)
The growth of the implementation of high voltage direct current (HVDC) electric power transmission lines has been attracting studies for the development of new tools and equipment that assist in the protection, operation ...
Avaliação do desempenho de um localizador de faltas comercial aplicado a linhas de transmissão híbridas em corrente alternada
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia ElétricaUTFPR, 2018-12-11)
The use of power transmission lines containing overhead and underground sections can be a good solution for the adaptation of transmission and distribution systems especially in urban environments. However, this topology ...
Análise de falhas em rotor utilizando deep neural networks
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2019-06-24)
More than half of the total energy destined for the industrial sector is consumed by engines. Stopping production to correct motor system failures can generate some risks and also serious losses for a given company. Early ...
Estudo comparativo de ferramentas estatísticas em falhas de máquinas elétricas
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2019-06-26)
This work presents a comparison between methodologies used to detect and classify faults in tree-phase induction motors driven by frequency inverters. The applied method was the analysis of the current signals with stator, ...
Localização de faltas em linhas transmissão HVDC utilizando a transformada wavelet e redes neurais
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2020-06-04)
The development and growth of Electric Power Systems (EPS), in particular the High Voltage Direct Current (HVDC), has increased interest from companies, manufacturers and researchers regarding the application and development ...
Rede de sensores sem fio para o monitoramento de máquinas elétricas
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2017-11-20)
This paper discusses the operation and applications of wireless sensor networks bringing three possible approaches: Star, Single retransmission of received packets and the Mapping of paths by neighboring nodes, and the ...
Análise do consumo específico em um processo industrial baseado no estado de máquina: um estudo prático
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia ElétricaUTFPR, 2016-11-24)
This work aims to provide the academic and professional environment with the correlation and the construction of a specific energy consumption index by volume of production based on the online condition of running a ...
Análise qualitativa na utilização de indicadores de falta para a rede de distribuição
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia ElétricaUTFPR, 2019-06-25)
The progressive evolution of electrical energy demand, interchained with increasingly digital lifes, require continuous improvements in the distribution system, rising its confiability, security, economics and service ...