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Energies
Volume 14
Issue 22
10.3390/en14227824
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Article

Stability Metric Based on Sensitivity Analysis Applied to Electrical Repowering System

by
João R. B. Paiva
1,2,*,
Alana S. Magalhães
1,2,
Pedro H. F. Moraes
3,
Júnio S. Bulhões
1,2 and
Wesley P. Calixto
1,2
1
Studies and Researches in Science and Technology Group (GCITE), Federal Institute of Goias (IFG), Goiania 74130-012, GO, Brazil
2
Electrical, Mechanical and Computer Engineering School (EMC), Federal University of Goias (UFG), Goiania 74605-010, GO, Brazil
3
Department of Electrical Engineering (DEE), University of Brasilia (UnB), Brasilia 70910-900, DF, Brazil
*
Author to whom correspondence should be addressed.
Energies 2021, 14(22), 7824; https://doi.org/10.3390/en14227824
Submission received: 11 September 2021 / Revised: 14 November 2021 / Accepted: 17 November 2021 / Published: 22 November 2021
(This article belongs to the Section F: Electrical Engineering)
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Abstract

Stability metrics are used to quantify a system’s ability to maintain equilibrium under disturbances. We did not identify the proposition of a stability metric using sensitivity analysis within the literature. This work proposes a system stability metric and its application to an electrical repowering system. The methodology for applying the proposed metric comprises: (i) system parameters sensitivity analysis and spider diagram construction, (ii) determining the array containing the line segments inclination angles of each spider diagram curve, and (iii) stability calculation using the array mean and maximum inclination value of a line segment. After simulating the model built for the electrical repowering system and applying the methodology, we obtain results regarding the sensitivity indices and stability values of system inputs relative to their outputs, considering the original system and with reduced parameters. Using the stability study, it was possible to determine different stability categories for the system parameters, which indicates the need for different analysis levels.
Keywords: stability metric; electric repowering; sensitivity analysis; parameter suppression stability metric; electric repowering; sensitivity analysis; parameter suppression

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MDPI and ACS Style

Paiva, J.R.B.; Magalhães, A.S.; Moraes, P.H.F.; Bulhões, J.S.; Calixto, W.P. Stability Metric Based on Sensitivity Analysis Applied to Electrical Repowering System. Energies 2021, 14, 7824. https://doi.org/10.3390/en14227824

AMA Style

Paiva JRB, Magalhães AS, Moraes PHF, Bulhões JS, Calixto WP. Stability Metric Based on Sensitivity Analysis Applied to Electrical Repowering System. Energies. 2021; 14(22):7824. https://doi.org/10.3390/en14227824

Chicago/Turabian Style

Paiva, João R. B., Alana S. Magalhães, Pedro H. F. Moraes, Júnio S. Bulhões, and Wesley P. Calixto. 2021. "Stability Metric Based on Sensitivity Analysis Applied to Electrical Repowering System" Energies 14, no. 22: 7824. https://doi.org/10.3390/en14227824

APA Style

Paiva, J. R. B., Magalhães, A. S., Moraes, P. H. F., Bulhões, J. S., & Calixto, W. P. (2021). Stability Metric Based on Sensitivity Analysis Applied to Electrical Repowering System. Energies, 14(22), 7824. https://doi.org/10.3390/en14227824

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