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12 results on '"Sant'Ana, Wilson Cesar"'

1. Determination of Water Content in Heavy Fuel Oil Using a Relative Permittivity Meter

Author

de Almeida Arantes, Daniel, Campos, Mateus M., da Silva, Luiz Eduardo Borges, Sant’Ana, Wilson Cesar, Teixeira, Carlos E., Lambert-Torres, Germano, Bonaldi, Erik Leandro, de Lacerda de Oliveira, Levy, Costa, Germando A., Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, di Mare, Francesca, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, Pinto, João Onofre Pereira, editor, Kimpara, Marcio Luiz Magri, editor, Reis, Renata Rezende, editor, Seecharan, Turuna, editor, Upadhyaya, Belle R., editor, and Amadi-Echendu, Joe, editor

Published
2022
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2. System for Early Detection of Insulation Failures of Electric Machinery

Author

Gama, Bruno Renó, Sant’Ana, Wilson Cesar, da Silva, Luiz Eduardo Borges, Bonaldi, Erik Leandro, Lambert-Torres, Germano, Salomon, Camila Paes, dos Santos Areias, Isac Antonio, de Almeida Arantes, Daniel, Boas, Fernanda Mitchelly Vilas, Steiner, Fabio Monteiro, Carvalho, Rafael Bartholomeu Bernardo, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, di Mare, Francesca, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, Pinto, João Onofre Pereira, editor, Kimpara, Marcio Luiz Magri, editor, Reis, Renata Rezende, editor, Seecharan, Turuna, editor, Upadhyaya, Belle R., editor, and Amadi-Echendu, Joe, editor

Published
2022
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3. Detection of Failures in Metal Oxide Surge Arresters Using Frequency Response Analysis

Author

Zacarias, Tiago Goncalves, primary, Martins, Rafael, additional, Xavier, Carlos Eduardo, additional, Castioni, Julio Cezar Oliveira, additional, Sant’Ana, Wilson Cesar, additional, Lambert-Torres, Germano, additional, Gama, Bruno Reno, additional, Areias, Isac Antonio dos Santos, additional, Bonaldi, Erik Leandro, additional, and Assuncao, Frederico De Oliveira, additional

Published
2023
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4. Proposal of a System to Identify Failures and Evaluate the Efficiency of Internal Combustion Engines of Thermal Power Plants

Author

Ramos, Lilia Carneiro, primary, Assuncao, Frederico de Oliveira, additional, Villa-Nova, Helcio Francisco, additional, Lambert-Torres, Germano, additional, Bonaldi, Erik Leandro, additional, Oliveira, Levy Ely de Lacerda de, additional, Sant’Ana, Wilson Cesar, additional, Junior, Ronny Francis Ribeiro, additional, Teixeira, Carlos Eduardo, additional, and Medeiros, Paulo Germano Pinto de, additional

Published
2022
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6. Technical and Economic Analysis of the Implementation of a Self-Sustainable Briquetting Process for Electric Generation

Author

Martins, Rosa, primary, Cardenas-Rodriguez, Haylemar de Nazaret, additional, Oliveira, Levy Ely Lacerda, additional, Bonaldi, Erik Leandro, additional, Assuncao, Frederico de Oliveira, additional, Lambert-Torres, Germano, additional, Villa-Nova, Helcio Francisco, additional, Sant’Ana, Wilson Cesar, additional, Borges-da-Silva, Luiz Eduardo, additional, Bomfin, Clodoaldo Barboza, additional, Haddad, Jamil, additional, and Santos, Afonso Henriques Moreira, additional

Published
2022
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7. Online Frequency Response Analysis of Electric Machinery through an Active Coupling System Based on Power Electronics

Author

Sant’Ana, Wilson Cesar, primary, Lambert-Torres, Germano, additional, Bonaldi, Erik Leandro, additional, Gama, Bruno Reno, additional, Zacarias, Tiago Goncalves, additional, Areias, Isac Antonio dos Santos, additional, Arantes, Daniel de Almeida, additional, Assuncao, Frederico de Oliveira, additional, Campos, Mateus Mendes, additional, and Steiner, Fabio Monteiro, additional

Published
2021
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8. An Ultrasonic-Capacitive System for Online Characterization of Fuel Oils in Thermal Power Plants

Author

Campos, Mateus Mendes, primary, Borges-da-Silva, Luiz Eduardo, additional, Arantes, Daniel de Almeida, additional, Teixeira, Carlos Eduardo, additional, Bonaldi, Erik Leandro, additional, Lambert-Torres, Germano, additional, Ribeiro Junior, Ronny Francis, additional, Krupa, Gabriel Pedro, additional, Sant’Ana, Wilson Cesar, additional, Oliveira, Levy Ely Lacerda, additional, and de Paiva, Renato Guth, additional

Published
2021
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9. Analysis on the Use of Briquettes as an Alternative to Improve the Generation of Thermal Energy in the Locality of Aripuana-Brazil

Author

Cardenas-Rodriguez, Haylemar de Nazaret, primary, Martins, Rosa, additional, Oliveira, Levy Ely Lacerda, additional, Bonaldi, Erik Leandro, additional, Assuncao, Frederico de Oliveira, additional, Lambert-Torres, Germano, additional, Villa-Nova, Helcio Francisco, additional, Sant’Ana, Wilson Cesar, additional, Borges-da-Silva, Luiz Eduardo, additional, Bomfin, Clodoaldo Barboza, additional, and Haddad, Jamil, additional

Published
2021
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10. Reduced Scale Laboratory for Training and Research in Condition-Based Maintenance Strategies for Combustion Engine Power Plants and a Novel Method for Monitoring of Inlet and Exhaust Valves

Author

Assuncao, Frederico de Oliveira, primary, Borges-da-Silva, Luiz Eduardo, additional, Villa-Nova, Helcio Francisco, additional, Bonaldi, Erik Leandro, additional, Oliveira, Levy Ely Lacerda, additional, Lambert-Torres, Germano, additional, Teixeira, Carlos Eduardo, additional, Sant’Ana, Wilson Cesar, additional, Lacerda, Josue, additional, da Silva Junior, Jose Luiz Marques, additional, and da Silva, Edenio Gomes, additional

Published
2021
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11. Online Frequency Response Analysis of Electric Machinery through an Active Coupling System Based on Power Electronics.

Author

Sant'Ana, Wilson Cesar, Lambert-Torres, Germano, Bonaldi, Erik Leandro, Gama, Bruno Reno, Zacarias, Tiago Goncalves, Areias, Isac Antonio dos Santos, Arantes, Daniel de Almeida, Assuncao, Frederico de Oliveira, Campos, Mateus Mendes, and Steiner, Fabio Monteiro

Subjects
*ELECTRIC machinery, *POWER electronics, *FREQUENCY response, *CONVERTERS (Electronics), *LOW voltage systems
Abstract

This paper presents an innovative concept for the online application of Frequency Response Analysis (FRA). FRA is a well known technique that is applied to detect damage in electric machinery. As an offline technique, the machine under testing has to be removed from service—which may cause loss of production. Experimental adaptations of FRA to online operation are usually based on the use of passive high pass coupling—which, ideally, should provide attenuation to the grid voltage, and at the same time, allow the high frequency FRA signals to be injected at the machine. In practice, however, the passive coupling results in a trade-off between the required attenuation and the useful area obtained at the FRA spectra. This paper proposes the use of an active coupling system, based on power electronics, in order to cancel the grid voltage at the terminals of FRA equipment and allow its safe connection to an energized machine. The paper presents the basic concepts of FRA and the issue of online measurements. It also presents basic concepts about power electronics converters and the operating principles of the Modular Multilevel Converter, which enables the generation of an output voltage with low THD, which is important for tracking the grid voltage with minimum error. [ABSTRACT FROM AUTHOR]

Published
2021
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12. A Bibliometric and Comprehensive Review on Condition Monitoring of Metal Oxide Surge Arresters.

Author

Zacarias TG and Sant'Ana WC

Abstract

This paper presents a literature review on the subject of Condition-Based Maintenance of surge arresters. Both a bibliometric analysis and traditional comprehensive research are presented. The bibliometric analysis is useful for obtaining insights about the literature. It quantitatively highlights relationships between journals, authors and keywords (related to the monitoring methods) and reveals future trends for research based on the timeline of the keywords. The traditional comprehensive literature review is also presented. It summarizes the methods, their advantages and disadvantages and also points to some known measurement issues of the methods. Both online (leakage current, harmonic components, temperature, partial discharges, power loss and the counting of discharges) and offline (reference voltage, residual voltage, insulation resistance, polarization/depolarization, return voltage, microscopy, spectrometry, X-ray, RUS and the recent application of FRA) methods have been qualitatively analyzed.

Published
2023
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