Buscar
Mostrando ítems 21-30 de 1613
Flashover phenomenon: an analysis with influence of the thickness of the layer pollution of the high voltage polluted insulators
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Flashover phenomenon: an analysis with influence of the thickness of the layer pollution of the high voltage polluted insulators
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
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 ...
Encintado y colocación de terminales soldados. Unidad 13
(Servicio Nacional de Aprendizaje (SENA), 2014)
Estudo do comportamento da resistência de isolamento em transformadores a óleo de 15MVA – 72,5/15kV
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilTecnologia em Automação IndustrialUTFPR, 2014-05-05)
This work will present an applied study of solid insulation in oil transformers and its agents of the insulating mass being the electrical distances between the differences in constructive potential, the insulating paper, ...
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, ...
Proposta de secagem de transformadores imersos em líquido isolante utilizando óleo vegetal
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2014-07-31)
This document presents the work of a proposed application of natural ester as a transport agent of water in transformer Off-Line Dry-Out procedures. It shows transformers drying process as a measure of maintenance for ...
Desenvolvimento de metodologia para análise de arborescências em materiais dielétricos por contraste de fase de raios X
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Elétrica e Informática Industrial, 2013-09-17)
The water tree or electrical tree occurrence is identified as the main phenomena in the degradation in solid isolations of the electric energy distribution cables. The water tree evolution can lead to dielectric breakdown ...
Solution of low frequency complex fields in insulating systemsIEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATIONIEEE TRANS DIELECTR ELECTR INSUL
(INSTITUTE OF ELECTRICAL AND ELECTRONIC ENGINEERS, 2017)
Análise da importância de controladores digitais na medição da temperatura do enrolamento em transformadores a óleo
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilTecnologia em Automação IndustrialUTFPR, 2015-04-10)
This work aims to present an analysis of temperature rise test on transformers associated with the definition of control parameters in the measurement and monitoring of temperature, oil transformers, focusing on the evolution ...