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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 ...
Suitability of carbon fiber-reinforced polymers as power cable cores: Galvanic corrosion and thermal stability evaluation
(Elsevier B.V., 2015-01-01)
The increasing demand for electrical energy and the difficulties involved in installing new transmission lines presents a global challenge. Transmission line cables need to conduct more current, which creates the problem ...
Surface charges and fields in a resistive coaxial cable carrying a constant current
(Ieee-inst Electrical Electronics Engineers IncNew YorkEUA, 2000)
Modeling of Power Cables with Arbitrary Cross Section: From Parameter Calculation to Electromagnetic Transients Simulation
(2017-06-01)
A full computer-based methodology is proposed for electromagnetic transient simulations in power cables characterized by an arbitrary cross-section geometry. The frequency-dependent parameters of the cables are calculated ...
Desarrollo y validación en pequeña escala de un prototipo de equipo para la limpieza de cadenas aislantes de líneas de alta tención para la mejora de la productividad y la reducción de riesgos ergonómicos
(Universidad de LimaPE, 2017)
La limpieza de cadenas aislantes de líneas de transmisión de alto voltaje es una tarea necesaria para el óptimo funcionamiento de la red eléctrica, pero, a la vez, es muy laboriosa e implica cierto riesgo para los trabajadores ...
Estudo de caso comparativo entre os métodos de dimensionamento de condutores elétricos propostos pelas normas NBR 5410 e NBR 15920 em circuitos das instalações da UTFPR, câmpus Curitiba
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Eletrotécnica, 2014-02-26)
This essay has the propose of make a comparative case between two methods of sizing conductors in the Universidade Tecnológica Federal do Paraná, campus Curitiba. The technical method uses cables with smaller sections, ...
Comparing performance of instrumental drift correction by linear and quadratic adjusting in inductive electromagnetic data
(ELSEVIER SCIENCE BV, 2011)
Electromagnetic induction (EMI) method results are shown for vertical magnetic dipole (VMD) configuration by using the EM38 equipment. Performance in the location of metallic pipes and electrical cables is compared as a ...
Dimensionamento de cabos de alumínio para rede subterrânea de média tensão de um parque eólico
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Especialização em Energias RenováveisUTFPR, 2015-12-10)
Electricity generation from wind farms, strong growth has had in Brazil, in this scenario the correct sizing of medium voltage cables for use in these parks becomes relevant. Following a practical approach and respecting ...