Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Helena M. Wilhelm"'
Autor:
Muhammad Ali Masood Cheema, Helena M. Wilhelm, Edward Casserly, Aleksandr Levin, Attila Gyore, Kevin Wirtz, Alan Sbravati, Nikola Lukenda, Paul Su
Publikováno v:
2021 IEEE Electrical Insulation Conference (EIC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b6da30868b45fd7667ec8bacd30f400
https://doi.org/10.1109/eic49891.2021.9612277
https://doi.org/10.1109/eic49891.2021.9612277
Autor:
Marcelo Ribeiro, Arley Mar, Laís Pastre Dill, Maria Letícia Gomes dos Santos, Pedro José dos Santos Junior, Helena M. Wilhelm, Thatiane Tamyris Kuczera Pereira, Paulo O. Fernandes, Daniel Aroucha Filho, Geovana Carolina dos Santos
Publikováno v:
Engenharias: Metodologias e Práticas de Caráter Multidisciplinar 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f53b40010c9e78dd855483abc48a4d0
https://doi.org/10.22533/at.ed.8922110037
https://doi.org/10.22533/at.ed.8922110037
Autor:
Helena M. Wilhelm, Eduardo João de Palma, Luiz A. Ravaglia, Giorgi Dal Pont, Claudio Aparecido Galdeano
Publikováno v:
Engenharias: Metodologias e Práticas de Caráter Multidisciplinar 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f71bbff727219ed33f50d1610ab32482
https://doi.org/10.22533/at.ed.89221100312
https://doi.org/10.22533/at.ed.89221100312
Autor:
Laís Pastre Dill, Leandro G. Feitosa, Geovana Carolina dos Santos, Richard Marek, Paulo O. Fernandes, Helena M. Wilhelm, Leonardo Galhardo
Publikováno v:
Engenharias: Metodologias e Práticas de Caráter Multidisciplinar 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe4fdedc915c990f3b5e6775e0268bbf
https://doi.org/10.22533/at.ed.89221100317
https://doi.org/10.22533/at.ed.89221100317
Autor:
M. Ziliotto, Helena M. Wilhelm, Kethlyn G. Moscon, Paulo O. Fernandes, C. Steffens, N. D. Barth
Publikováno v:
2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP).
Mineral insulating oil manufacturing processes have changed significantly over the last twenty years. Oil base structures have also changed due to that, furthermore, the use of additives have also been improved. As a result, oil degradation kinetics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9654505615a4df15468aa689db6c8c52
https://doi.org/10.1109/ceidp49254.2020.9437543
https://doi.org/10.1109/ceidp49254.2020.9437543
Autor:
Jose Batista Ferreira Neto, Helena M. Wilhelm, Vitor C. Bender, Micael M. Oliveira, Leonardo Hautrive Medeiros, Tiago Bandeira Marchesan, Antonio M. Kaminski
Publikováno v:
2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA).
The power transformers conditions assessment are essential for the management of these assets by companies. In order to provide a tool to aid this process, a Health Index methodology along with the apparent age strategy, is applied to power transform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a85d57cb64b769d8e4649f68a7a94fc
https://doi.org/10.1109/tdla47668.2020.9326167
https://doi.org/10.1109/tdla47668.2020.9326167
Autor:
Leonardo Hautrive Medeiros, Helena M. Wilhelm, Micael M. Oliveira, Vitor C. Bender, Tiago Bandeira Marchesan, Antonio M. Kaminski, Daniela M. Bueno, Jose Batista Ferreira Neto
Publikováno v:
Anais do Simpósio Brasileiro de Sistemas Elétricos 2020.
A temperatura de topo de óleo é de grande importância para avaliação das condições de operação de transformadores de potência, onde sua predição correta possibilita melhor aproveitamento da capacidade nominal e prolongamento da vida útil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad488fa66f4431d1108e62255ae29c8d
https://doi.org/10.48011/sbse.v1i1.2146
https://doi.org/10.48011/sbse.v1i1.2146
Autor:
Sergio M. Peres, Melissa C.S. Ziliotto, Claudio Aparecido Galdeano, Jose Batista Ferreira Neto, Kethlyn G. Moscon, Paulo O. Fernandes, Mauricio Mattoso, Camila Steffens, Vitor C. Bender, Tiago Bandeira Marchesan, Helena M. Wilhelm, Milton Marques da Silva Junior
Publikováno v:
2020 IEEE Electrical Insulation Conference (EIC).
Dissolved gas analysis (DGA) in insulating oil is performed periodically to access operating conditions of power transformers. DGA results suggest possible incipient faults and maintenance actions for transformer repair. The more information the proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::297136285ada0453c09c2d150b12f90e
https://doi.org/10.1109/eic47619.2020.9158679
https://doi.org/10.1109/eic47619.2020.9158679
Publikováno v:
Journal of the Brazilian Chemical Society v.31 n.5 2020
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 31, Issue: 5, Pages: 971-981, Published: 30 APR 2020
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 31, Issue: 5, Pages: 971-981, Published: 30 APR 2020
Zn2Al-Cl and Zn2Al-NO3 layered double hydroxides (LDHs) were synthesized through the fixed pH co-precipitation method and used as precursor materials for the intercalation of p-aminobenzoate through anion exchange reactions. Since chloride in Zn2Al-C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4b21da59fc7c3f9423cc50efe27b8bb
https://doi.org/10.21577/0103-5053.20190262
https://doi.org/10.21577/0103-5053.20190262
Autor:
Andreza Fasson Balielo, Leandro G. Feitosa, Paulo O. Fernandes, Geovana Carolina dos Santos, Giorgi Dal Pont, Helena M. Wilhelm
Publikováno v:
IEEE Electrical Insulation Magazine. 34:7-14
The most common cause of chemical aging of insulating oils is oxidation. Inhibited oils are insulating oils to which an oxidation inhibitor such as 2,6 ditertiary-butyl phenol or 2,6 dietertiary-butyl cresol has been added in order to slow the rate o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6becbd1102b826bb9e42ac5290ab671
https://doi.org/10.1109/mei.2018.8246117
https://doi.org/10.1109/mei.2018.8246117