Zobrazeno 1 - 10
of 41
pro vyhledávání: '"D. H. N. Dias"'
Autor:
Luís M. M. Rocha, Alexander Polasek, Guilherme G. Sotelo, D. H. N. Dias, Bruno S. M. C. Borba, David P. Fernandes
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 20, Iss 2, Pp 372-381 (2021)
Abstract Superconducting Fault Current Limiter (SFCL) modules with distinct arrangements have been investigated, seeking design and performance enhancements. In this context, this work aims to propose a design for resistive SFCL (R-SFCL) modules, usi
Externí odkaz:
https://doaj.org/article/f7cc0b1940d54ea9bece4afe7f61aad0
Autor:
Gabriel dos Santos, Felipe Sass, Flávio Goulart dos Reis Martins, Barbara Maria Oliveira Santos, D H N Dias, Guilherme Gonçalves Sotelo
Publikováno v:
Anais do Simpósio Brasileiro de Sistemas Elétricos 2020.
Nowadays, the complexity of electrical power systems is increasing. Consequently, the occurrence and the amplitude of the fault current are rising. This fault currents harm the substations’ electrical equipment. Besides, the growth in the fault cur
Autor:
Antonio Morandi, D. H. N. Dias, F. G. R. Martins, Guilherme Gonçalves Sotelo, Felipe Sass, G. B. dos Santos
Publikováno v:
Superconductor Science and Technology. 34:045014
Superconducting devices have been widely studied over these years. Their application can be found in cables for electric power transmission, energy storage systems, magnetic levitation, electric machines, and fault current limiters. The literature pr
Autor:
A. T. Queiroz, F. G. R. Martins, G. B. dos Santos, Guilherme Gonçalves Sotelo, Felipe Sass, A. Polasek, D. H. N. Dias, Alexandre Bitencourt
Publikováno v:
Superconductor Science and Technology. 34:045009
Power systems are becoming more interconnected and complex. The distributed generation expands and spreads across the grids, reducing the distance between the load and the generation. In addition, several substations are aging after decades of operat
Autor:
L. M. M. Rocha, Bruno W. Franca, Guilherme Gonçalves Sotelo, F. G. R. Martins, R. de Andrade, A. Polasek, D. H. N. Dias, Felipe Sass, Alexandre Bitencourt, G. B. dos Santos
Publikováno v:
Journal of Physics: Conference Series. 1559:012098
Electrical faults on medium voltage electric power distribution systems can damage transformers. This fact motivated an R&D project in Brazil to study Fault Current Limiters for a utility. In this context, innovative design with a bifilar winding was
Autor:
Miryala Muralidhar, L. Dupont, D. H. N. Dias, Jacques G. Noudem, P. Bernstein, R. de Andrade, F. G.R. Martin, Guilherme Gonçalves Sotelo, Masato Murakami
Publikováno v:
Superconductor Science and Technology. 33:024001
Autor:
A. Polasek, D. H. N. Dias, Guilherme Gonçalves Sotelo, Fernando Jorge Monteiro Dias, Felipe Sass, L. M. M. Rocha, F. G. R. Matins
Publikováno v:
IEEE Transactions on Applied Superconductivity. 25:1-4
Due to the electrical characteristics of second generation (2G) high temperature superconductor (HTS) wires, such as higher critical current density and superior performance than first generation (1G) HTS wire under magnetic fields, they have been ch
Autor:
D. H. N. Dias, Guilherme Gonçalves Sotelo, F. Costa, Richard M. Stephan, R. A. H. de Oliveira, R. de Andrade
Publikováno v:
IEEE Transactions on Applied Superconductivity. 25:1-5
This paper describes the construction and main components of a full-scale superconducting magnetic levitation vehicle. The prototype, comprising four 1.5-m-long wagons, will travel a short test line of 200 meters, connecting two buildings inside the
Publikováno v:
IEEE Transactions on Applied Superconductivity. 25:1-5
The substitution of conventional copper windings for coated conductor ones in high power electric machines allow smaller, lighter and more efficient motors and generators in comparison to those of same power class, among several other electrical adva
Autor:
R. de Andrade, E.S. Motta, A.C. Ferreira, Felipe Sass, Richard M. Stephan, D. H. N. Dias, Guilherme Gonçalves Sotelo
Publikováno v:
Physics Procedia. 36:943-947
This work presents new results of the Brazilian transportation vehicle MagLev-Cobra. This technology proposes a magnetically levitated vehicle composed of small units of 1.5 m length, allowing curves with minimal radius of 50 m, ramps of 10% and velo