Zobrazeno 1 - 10
of 73
pro vyhledávání: '"I.J.S. Lopes"'
Publikováno v:
IET Science, Measurement & Technology, Vol 15, Iss 4, Pp 385-397 (2021)
Pulsed electric field (PEF) systems should be designed to be microbiologically and energy efficient for industrial applications applied to treatment of different types of liquid foods. A thorough numerical model for the design of PEF systems is prese
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fdce5f6028f417c419e2b5e477c85d6
https://doaj.org/article/4fcc9396962240b8a74e4f438ad6aa4d
https://doaj.org/article/4fcc9396962240b8a74e4f438ad6aa4d
Akademický článek
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Publikováno v:
Journal of Mechatronics Engineering. 2:2-9
The accumulation of contaminants in electrical insulators reduce their performance and may lead to failures. Estimating the degree of pollution of in-service equipment is not a trivial task as the process of contamination depends on several factors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::145e0c482b0ae0618b64b9200dbfc1d2
https://doi.org/10.21439/jme.v2i3.27
https://doi.org/10.21439/jme.v2i3.27
Autor:
I.J.S. Lopes, Celio Fonseca Barbosa, José Osvaldo Saldanha Paulino, C.E.F. Caetano, Wallace do Couto Boaventura, A.B. Lima
Publikováno v:
Electric Power Systems Research. 173:6-12
This paper presents a method for measuring grounding resistances, which is based on the use of fast impulse current and short leads on the auxiliary measurement circuits. Usually, the conductor length of the voltage and current circuits used in groun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::790f97e144f9cee9eaf9c69b5d3b355d
https://doi.org/10.1016/j.epsr.2019.04.002
https://doi.org/10.1016/j.epsr.2019.04.002
Publikováno v:
IET Science, Measurement & Technology. 13:337-345
The microbial inactivation and specific energy of a pulsed electric field treatment system are dependent on the electric field distribution and treatment time since they have opposite behaviour in relation to these parameters, featuring a problem of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7948a1eb7d5dda1b1bd1c4dd8f50bc94
https://doi.org/10.1049/iet-smt.2018.5311
https://doi.org/10.1049/iet-smt.2018.5311
Publikováno v:
Anais do Simpósio Brasileiro de Sistemas Elétricos 2020.
Este artigo tem como objetivo realizar um estudo de desempenho de uma linha de distribuição de 138 kV frente a descargas atmosféricas. O estudo de caso em questão utiliza a metodologia do Método dos Dois Pontos, a partir do software IEEE FLASH,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69c5af5d710db9bb3b2c3809129b7ed2
https://doi.org/10.48011/sbse.v1i1.2465
https://doi.org/10.48011/sbse.v1i1.2465
Publikováno v:
Electric Power Systems Research. 202:107583
Installation of transmission line surge arresters (TLSA) is one of the solutions found to improve the lightning performance of overhead transmission lines (OHTL). This work proposes a new multi-criteria methodology for the optimal placement of surge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e56b73fd06a47dd67a791da2eda28c0e
https://doi.org/10.1016/j.epsr.2021.107583
https://doi.org/10.1016/j.epsr.2021.107583
Autor:
Wallace do Couto Boaventura, José Osvaldo Saldanha Paulino, Marco Túlio Alves Êvo, Helder de Paula, C.E.F. Caetano, I.J.S. Lopes, Diogo S. C. Souza
Publikováno v:
IAS
The paper presents an experimental investigation on the efficiency of different underground transmission/distribution line magnetic shielding techniques. Measurement results of magnetic field and temperature rise around the cable conductors are shown
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::871ab86d0dc148a115a9fea295cd41ad
https://doi.org/10.1109/tia.2017.2785762
https://doi.org/10.1109/tia.2017.2785762
Publikováno v:
Journal of Control, Automation and Electrical Systems. 28:541-551
There are important concerns about the problems caused by high values of low-frequency magnetic field in urban centers. Two of them have received particular attention: the electromagnetic interference in sensitive equipment and the potential adverse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ad40de34acde8e8759a04b544c46af3
https://doi.org/10.1007/s40313-017-0319-x
https://doi.org/10.1007/s40313-017-0319-x
Autor:
I.J.S. Lopes, Celio Fonseca Barbosa, José Osvaldo Saldanha Paulino, Afonso F. Avila, Wallace do Couto Boaventura, E.N. Cardoso, Maurissone Ferreira Guimaraes
Publikováno v:
Electric Power Systems Research. 194:107063
The paper investigates the improvement of the lightning performance of distribution lines due to the increase in the line critical flashover voltage (CFO) from 95 kV to 170 kV. Initially, a research project on lightning protection carried out in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f755bfa23fb00bc9bc9e7b8410c8910d
https://doi.org/10.1016/j.epsr.2021.107063
https://doi.org/10.1016/j.epsr.2021.107063