Protection Coordination of Microgrids Considering Non-Standard Features of Directional Over-Current Relays

Sergio Danilo Saldarriaga Zuluaga; Jesús María López Lezama; Nicolás Muñoz Galeano

doi:10.22517/23447214.24731

Protection Coordination of Microgrids Considering Non-Standard Features of Directional Over-Current Relays

Authors

Sergio Danilo Saldarriaga Zuluaga Institución Universitaria Pascual Bravo, Facultad de Ingenieria, Departamento de Eléctrica https://orcid.org/0000-0002-9134-8576
Jesús María López Lezama Universidad de Antioquia https://orcid.org/0000-0002-2369-6173
Nicolás Muñoz Galeano Universidad de Antioquia, Departamento de Ingeniería Eléctrica https://orcid.org/0000-0003-1407-5559

DOI:

https://doi.org/10.22517/23447214.24731

Keywords:

Distribution systems;, genetic algorithms;, microgrids;, protection coordination;, optimization;

Abstract

This paper presents a methodology for protection coordination in microgrids that considers account non-standard features of directional over-current relays (OCRs). In the proposed approach three decision variables are considered for each relay; namely, the standard characteristic curve (SCC), Time Multiplier Setting (TMS) and maximum limit of the plug setting multiplier (PSM). The proposed mixed integer non-linear programing model is solved by means of a specialized genetic algorithm (GA) implemented in Matlab. Several tests were performed on a modified version of the IEEE-30 bus test system considering on-grid and off-grid operational modes. The results evidenced the robustness and applicability of the proposed approach in real-size microgrids that host distributed generation and exhibit several operational modes or topologies.

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References

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Published

2022-07-01

How to Cite

Saldarriaga Zuluaga, S. D., López Lezama, J. M., & Muñoz Galeano, N. (2022). Protection Coordination of Microgrids Considering Non-Standard Features of Directional Over-Current Relays. Scientia Et Technica, 27(3), 186–192. https://doi.org/10.22517/23447214.24731

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Issue

Vol. 27 No. 3 (2022): Julio - Septiembre

Section

Bioingeniería

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