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Internal fault transients analysis and protection of wind generators

Grant number: 17/09554-0
Support Opportunities:Regular Research Grants
Duration: October 01, 2017 - September 30, 2019
Field of knowledge:Engineering - Electrical Engineering - Power Systems
Principal Investigator:Renato Machado Monaro
Grantee:Renato Machado Monaro
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated researchers:Alfeu Joãozinho Sguarezi Filho ; Bruno Harllen Pontes da Silva ; Cecília Banks Liberato Martin ; Denis Vinicius Coury ; Eduardo Coelho Marques da Costa ; Gilney Damm ; Guacira Costa de Oliveira ; Loic Queval ; Marina Linhares Anders ; Mauricio Barbosa de Camargo Salles ; Rodrigo Pavanello Bataglioli ; Silvio Giuseppe di Santo


The Wind energy is one electricity generation forms that most grow in the world. The use of wind energy in Brazil is still small, however, is growing rapidly. Thus, understanding the operation of wind generators is important for their control and protection. In wind generators there is an increasing use of power electronics. A research topic that is still underexplored is the analysis of electromagnetic transients that occur in wind generator during the electric faults in electric generators. Especially when they are associated with electronic power converters/inverters. The main objective of this project is the proposition of new protection techniques for wind generators based on double fed induction generators and wound rotor synchronous generators. In order to do so, an extensive bibliographical survey will be carried out followed by the evaluation of the currently used protection techniques for variable speed wind turbines. The understanding of the transient behavior of wind turbines will be fundamental for the proposal of innovative protection techniques. The study of the transient behavior will be carried out through simulations and experiments on real electric machines. In addition, the waveforms collected together with the information obtained in the simulations will serve to test the performance of the protection techniques under evaluation. (AU)

Articles published in Pesquisa FAPESP Magazine about the research grant:
The power of marine winds 
La fuerza de los vientos marinos 
Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BATAGLIOLI, RODRIGO P.; MONARO, RENATO M.; COURY, DENIS V.. Differential protection for stator ground faults in a full-converter wind turbine generator. Electric Power Systems Research, v. 169, p. 195-205, . (17/09554-0, 15/24028-7)
BATAGLIOLI, RODRIGO P.; MONARO, RENATO M.; COURY, DENIS V.; ANAYA-LARA, OLIMPO. Wind generator protection with ESSs considering grid connected and island mode operations. INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS, v. 126, n. B, . (17/09554-0, 17/13752-1, 15/24028-7)
ROCHA, RODOLFO V.; MONARO, RENATO M.. Algorithm for Fast Detection of Stator Turn Faultsin Variable-Speed Synchronous Generators. ENERGIES, v. 16, n. 5, p. 23-pg., . (17/09554-0)
BATAGLIOLI, RODRIGO P.; FREITAS, VINCIUS A. L.; COURY, DENIS V.; MONARO, RENATO M.; IEEE. The Influence of Grounding Configuration in a Full Conversion Wind Generator Under Internal Faults. 2018 POWER SYSTEMS COMPUTATION CONFERENCE (PSCC), v. N/A, p. 7-pg., . (17/09554-0, 15/24028-7)

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