Zobrazeno 1 - 10
of 111
pro vyhledávání: '"Osvaldo R. Saavedra"'
Autor:
Fernando A. Assis, Francisco C. R. Coelho, José Filho C. Castro, Antonio R. Donadon, Ronaldo A. Roncolatto, Pedro A. C. Rosas, Vittoria E. M. S. Andrade, Rafael G. Bento, Luiz C. P. Silva, João G. I. Cypriano, Osvaldo R. Saavedra
Publikováno v:
Energies, Vol 17, Iss 2, p 341 (2024)
Microgrids have emerged as a popular solution for electric energy distribution due to their reliability, sustainability, and growing accessibility. However, their implementation can be challenging, particularly due to regulatory and market issues. Bu
Externí odkaz:
https://doaj.org/article/9db3ba27c63f4fa8a00a3fb9b594b0f1
Autor:
Felipe M. Pimenta, Osvaldo R. Saavedra, Denisson Q. Oliveira, Arcilan T. Assireu, Audálio R. Torres Júnior, Ramon M. de Freitas, Francisco L. Albuquerque Neto, Denivaldo C. P. Lopes, Clóvis B. M. Oliveira, Shigeaki L. de Lima, João C. de Oliveira Neto, Rafael B. S. Veras
Publikováno v:
Energies, Vol 16, Iss 14, p 5555 (2023)
The objective of this work is to assess the wind resources of the east coast of Maranhão, Brazil. Wind profilers were combined with micrometeorological towers and atmospheric reanalysis to investigate micro- and mesoscale aspects of wind variability
Externí odkaz:
https://doaj.org/article/0c00f7dad3d14780957209b8b253ceee
Publikováno v:
Energies, Vol 15, Iss 19, p 7182 (2022)
Wind energy is a powerful resource contributing to the decarbonization of the electric grid. However, wind power penetration introduces uncertainty about the availability of wind energy. This article addresses the complementarity of remote offshore w
Externí odkaz:
https://doaj.org/article/e9ad36db62e4467abdb43a9bea300acf
Autor:
Arcilan T. Assireu, Felipe M. Pimenta, Ramon M. de Freitas, Osvaldo R. Saavedra, Francisco L. A. Neto, Audálio R. Torres Júnior, Clóvis B. M. Oliveira, Denivaldo C. P. Lopes, Shigeaki L. de Lima, Rafael B. S. Veras, Natália P. Saraiva, Luiz G. P. Marcondes, Denisson Q. Oliveira
Publikováno v:
Energies, Vol 15, Iss 7, p 2319 (2022)
The EOSOLAR project was designed to investigate the structure of the atmospheric boundary layer in an equatorial coastal zone, where the discontinuity of surface conditions induces non-stationarity gradients of wind speeds and the development of inte
Externí odkaz:
https://doaj.org/article/538378da380f46b38274f5c509b4cc2e
Autor:
César Henrique Mattos Pires, Felipe M. Pimenta, Carla A. D'Aquino, Osvaldo R. Saavedra, Xuerui Mao, Arcilan T. Assireu
Publikováno v:
Energies, Vol 13, Iss 19, p 5197 (2020)
A light detection and ranging (LIDAR) wind profiler was used to estimate the wind speed in the southern coast of Santa Catarina State, Brazil. This profiler was installed on a coastal platform 250 m from the beach, and recorded wind speed and directi
Externí odkaz:
https://doaj.org/article/6ef5f18478234b778eed986fcb4ce5d0
Autor:
Felipe M. Pimenta, Allan R. Silva, Arcilan T. Assireu, Vinicio de S. e Almeida, Osvaldo R. Saavedra
Publikováno v:
Energies, Vol 12, Iss 21, p 4195 (2019)
Brazil’s offshore wind resources are evaluated from satellite winds and ocean heat flux datasets. Winds are extrapolated to the height of modern turbines accounting for atmospheric stability. Turbine technical data are combined with wind and bathym
Externí odkaz:
https://doaj.org/article/01730f1979b142cf96b08ee5135ded9e
Autor:
Amiron W. Serra, Anna D. Rocha, Patricia S. Santos, Silvangela L. Barcelos, Osvaldo R. Saavedra, Rafael G. Bento
Publikováno v:
2022 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC).
Autor:
Audalio R. Torres Junior, Natália P. Saraiva, Arcilan T. Assireu, Francisco L. A. Neto, Felipe M. Pimenta, Ramon M. de Freitas, Osvaldo R. Saavedra, Clóvis B. M. Oliveira, Denivaldo C. P. Lopes, Shigeaki L. de Lima, Rafael B. S. Veras, Denisson Q. Oliveira
Publikováno v:
Sustainability; Volume 14; Issue 21; Pages: 14654
This article seeks to compare the performance of a LIDAR Windcube V2, manufactured by Leosphere, with that of a SODAR MFAS, manufactured by Scintec, in evaluating wind speed at different altitudes. The data from these two sensors were collected at th
Publikováno v:
2022 IEEE PES Generation, Transmission and Distribution Conference and Exposition – Latin America (IEEE PES GTD Latin America).
Autor:
Joao V. M. Caracas, Lucas de Paula Assuncao Pinheiro, Jose Gomes de Matos, Guilherme de C. Farias, Osvaldo R. Saavedra, Luiz Antonio de Souza Ribeiro, Narana Milhomem Pinheiro
Publikováno v:
Journal of Control, Automation and Electrical Systems. 32:1087-1098
This article sets out the design for control loops and the development of a 40-kW bidirectional converter for applications in isolated microgrids. This is the grid-forming converter, responsible for controlling the voltage and frequency of the microg