PMU-Based Backup Protection in the Presence of Inverter-Based Resources

Conference paper (2023)

Authors

Mohammad Rezaei Jegarluei University of Leeds
Ahmad Salehi Dobakhshari University of Guilan
M. Popov Intelligent Electrical Power Grids - EEMCS
V Terzija Shandong University
Sadegh Azizi University of Leeds
Research Group
Intelligent Electrical Power Grids (EEMCS) (TU Delft)
Copyright: © 2023 Mohammad Rezaei Jegarluei, Ahmad Salehi Dobakhshari, M. Popov, Vladimir Terzija, Sadegh Azizi
DOI: https://doi.org/10.1109/ETFG55873.2023.10408512
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Published Date

2023

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Intelligent Electrical Power Grids

Abstract

Increasing penetration of inverter-based resources (IBRs) undermines the performance of conventional protection systems since IBRs’ fault characteristics are fundamentally different from those of synchronous generators. In this paper, a PMU-based backup protection method is proposed for power transmission systems with high penetrations of IBRs. The method involves replacing all IBRs and the line suspected to be faulty by proper nodal current sources. For accurately detecting the faulted line from the set of candidates, a residual-based index is proposed, utilizing the concept of superimposed circuits and the weighted least-squares method. The method's robustness in the face of influential factors, including input errors, settings, numbers, and locations of IBRs is investigated through extensive simulations on the IEEE 39-bus test system.

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