A novel method for voltage-sag source location using a robust machine learning approach

Y Mohammadi, MH Moradi, RC Leborgne - Electric Power Systems …, 2017 - Elsevier
In this paper, a comprehensive review on methods for voltage sag source location is
presented and also nine generalized methods using positive sequence phasors …

Locating the source of voltage sags: Full review, introduction of generalized methods and numerical simulations

Y Mohammadi, MH Moradi, RC Leborgne - Renewable and Sustainable …, 2017 - Elsevier
Locating the source of voltage sags in order to identify the events causing the problem and
improving mitigation strategies is a major issue. When two utilities manage interconnected …

Prediction of voltage sag relative location with data-driven algorithms in distribution grid

Y Yalman, T Uyanık, İ Atlı, A Tan, KÇ Bayındır, Ö Karal… - Energies, 2022 - mdpi.com
Power quality (PQ) problems, including voltage sag, flicker, and harmonics, are the main
concerns for the grid operator. Among these disturbances, voltage sag, which affects the …

Comprehensive strategy for classification of voltage sags source location using optimal feature selection applied to support vector machine and ensemble techniques

Y Mohammadi, A Salarpour, RC Leborgne - International Journal of …, 2021 - Elsevier
The classification of voltage sags source location as downstream (DS) or upstream (US) of a
monitor is a significant issue that should be taken into account when establishing mitigation …

[HTML][HTML] Most influential feature form for supervised learning in voltage sag source localization

Y Mohammadi, B Polajžer, RC Leborgne… - … Applications of Artificial …, 2024 - Elsevier
The paper investigates the application of machine learning (ML) for voltage sag source
localization (VSSL) in electrical power systems. To overcome feature-selection challenges …

[HTML][HTML] Voltage-sag source detection: Develo** supervised methods and proposing a new unsupervised learning

Y Mohammadi, SM Miraftabzadeh, MHJ Bollen… - … Energy, Grids and …, 2022 - Elsevier
Recognition and analysis of voltage sags (dips) allow network operators to predict and
prevent problems in real-life applications. Clearing the voltage sag source by direction …

Analysis of the origin of measured voltage sags in interconnected networks

M De Santis, C Noce, P Varilone, P Verde - Electric Power Systems …, 2018 - Elsevier
This paper deals with the assessment of the origin of voltage sags due to faults in real,
interconnected networks. The first step in regulating such faults is to determine the origins of …

[HTML][HTML] Modified methods for voltage-sag source detection using transient periods

Y Mohammadi, RC Leborgne, B Polajžer - Electric Power Systems …, 2022 - Elsevier
Real-time detection of the voltage sag sources' relative location requires fast and accurate
methods. Therefore, in this paper, the transient period of voltage sags is used with useful …

A new approach for voltage sag source relative location in active distribution systems with the presence of inverter-based distributed generations

Y Mohammadi, RC Leborgne - Electric Power Systems Research, 2020 - Elsevier
The growing penetration of distributed energy resources (DERs) in form of inverter-based
distributed generations (IBDGs) in distribution systems has a high impact on fault location …

Power Quality Monitors Displacement Based on Voltage Sags Propagation Mechanism and Grid Reliability Indexes

V Liubčuk, V Radziukynas, G Kairaitis, D Naujokaitis - Applied Sciences, 2023 - mdpi.com
Featured Application The results and ideas in this paper have a high practical significance,
thus can easily be applied by grid operators and any other interested parties. Firstly, the …