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Development of a hybrid method for high impedance fault detection in power distribution systems

Grant number: 18/14242-0
Support type:Scholarships in Brazil - Master
Effective date (Start): October 01, 2018
Effective date (End): July 31, 2020
Field of knowledge:Engineering - Electrical Engineering - Power Systems
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:José Carlos de Melo Vieira Júnior
Grantee:Gabriela Nunes Lopes
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


High impedance fault detection in power distribution systems has been addressed by many researchers and by the power industry worldwide. Due to the variable nature and low amplitude of the high impedance fault current, its dependable and fast detection is a challenge, which is justified by the hazards it can cause to the consumers (deaths, fire, financial losses etc). There is not a definitive solution for detecting a high impedance fault, thus any contribution to fill the gaps left by the already proposed methods is necessary and very welcome. In this context, this Master research project aims to develop a hybrid method to detect high impedance faults by using frequency-domain and time-domain techniques to extract relevant characteristics of the current and voltage waveforms associated with this kind of occurrence. To validate the method, simulated and real fault impedance data will be employed. Moreover, the method will be based in previous advances already developed by our research team.

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Scientific publications
(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)
LOPES, GABRIELA NUNES; LACERDA, VINICIUS ALBERNAZ; VIEIRA, JOSE CARLOS MELO; COURY, DENIS VINICIUS. nalysis of Signal Processing Techniques for High Impedance Fault Detection in Distribution System. IEEE Transactions on Power Delivery, v. 36, n. 6, p. 3438-3447, DEC 2021. Web of Science Citations: 0.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
LOPES, Gabriela Nunes. High impedance fault diagnosis in electrical power distribution systems using signal processing techniques. 2020. Master's Dissertation - Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC/SBD) São Carlos.

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