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Methodology for fault location in multiterminal VSC-HVDC transmission lines

Grant number: 16/13762-4
Support type:Scholarships in Brazil - Master
Effective date (Start): November 01, 2016
Effective date (End): March 31, 2018
Field of knowledge:Engineering - Electrical Engineering - Power Systems
Principal researcher:José Carlos de Melo Vieira Júnior
Grantee:Gustavo Mundim Caixeta
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil

Abstract

This research proposal aims at developing a methodology for fault location in direct current transmission systems composed by voltage-source converters at various terminals, and typically known as multiterminal VSC-HVDC systems. A fault detection technique will be integrated to the fault location method to correctly identify the faulted line and then to locate the fault position. This proposal has been motivated by the perspective of expansion of VSC-HVDC systems worldwide and also by the lack of fault location methods for this kind of transmission system, especially for multiterminal topologies. The main idea is to adapt the fault location techniques based on the travelling waves' theory (typically applied to HVDC systems based on current source converters) to VSC-HVDC systems. This is a relevant topic that has been attracting the interest of several researchers. Thus, the results are expected to aid the fast and correct fault detection and location, meeting the protection and selectivity criteria and facilitating the understanding of the fault location process in multiterminal systems. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CAIXETA, Gustavo Mundim. Fault detection and location method for multiterminal VSC-HVDC systems. 2019. Master's Dissertation - Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC/SBD) São Carlos.

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