118 citations · 237 across the 35 of their papers we have counts for
40 papers
A New Index for Quantifying Stability Adaptation Effort in Power Electronics-Dominated Power Systems Based on Frequency-Domain Impedance Identification
Luis A. Garcia-Reyes, Macarena Martin-Almenta, Edgar Nuño-Martínez +4
The increasing use of converter based resources has made stability assessment in modern power systems more challenging, particularly because many devices are available only as blac…
Cybersecurity in Power Grids: Standards and Research Challenges
Ferran Bohigas-Daranas, Hamid Latif-Martinez, Nicolas Llorens +4
This paper examines Smart Grid cybersecurity, emphasizing the critical distinctions between IT and OT environments. It analyzes grid architecture, substation threats, and key inter…
Unified Heterogeneous Graph Neural Network solver for Power Flow, Optimal Power Flow and State Estimation
Ferran Bohigas-Daranas, Hamid Latif-Martínez, Eduardo Prieto-Araujo +2
Power Flow (PF), Optimal Power Flow (OPF), and State Estimation (SE) are fundamental problems in power system analysis, but solving them is computationally expensive. Graph Neural…
Impedance-Based Sensitivity Analysis for Stability Enhancement of LCC-HVDC Links Connected to Weak Grids Using Grid-Forming Converters
Luis A. Garcia-Reyes, Anup Joshi, Javier Renedo +5
This paper presents a frequency-domain, impedance-based sensitivity methodology for stability assessment and enhancement of line-commutated converter HVDC (LCC-HVDC) links operatin…
Quantifying Power to Voltage and Frequency Dynamics for Oscillation Propagation Assessment
Onur Alican, Dionysios Moutevelis, Marc Cheah-Mañe +2
The integration of Inverter-Based Resources (IBRs) into power systems introduces multi-timescale dynamics and oscillations which may propagate to distant areas and endanger the saf…
Use of the Common Information Model (IEC 61970) for Standardized Data Exchange in HVDC Digital Twin Systems
Ferran Bohigas-Daranas, Arkadius Burek, Eduardo Prieto-Araujo +1
Digital Twins (DTw) are emerging as transformative tools for High Voltage Direct Current (HVDC) transmission systems, enabling real-time monitoring, predictive maintenance, and ope…
Power Flow Feasibility Assessment Using Variational Graph Autoencoders
Ferran Bohigas-Daranas, Hamid Latif-Martinez, Eduardo Prieto-Araujo +2
Data-driven methods, including graph neural networks, have been studied for accelerating power flow calculations in recent years, but very little attention has been paid to the sol…
Distributed Air-Gap Flux and Rotor-Current Fusion for Operating-Regime Identification in a 10-MW Kaplan Hydrogenerator
Eduardo Jr Piedad, Rafel Roig, Xavier Escaler +2
Reliable monitoring of hydroelectric generators requires descriptors that capture both electrical loading and electromagnetic field behavior. This work investigates operating-regim…
Early Anomaly-Onset Detection based on Wigner--Ville Distribution Slice Spectra: A Transmission-Grid Test Case
Eduardo Jr Piedad, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
Operational disturbance monitoring in power networks requires decisions to be made from waveform windows as they arrive, rather than from completed records after the event. This st…
Enabling Small-Signal Stability Analysis of Black-Box Voltage Source Converters in Large-Scale Modern Power Systems
Luis A. Garcia-Reyes, Josep Arévalo-Soler, Oriol Gomis-Bellmunt +5
Modern power systems increasingly rely on power electronic converters, yet many of these devices are provided as black-box models, limiting the applicability of conventional small-…
Small-Signal Stability Oriented Real-Time Operation of Power Systems with a High Penetration of Inverter-Based Resources
Francesca Rossi, Juan Carlos Olives-Camps, Eduardo Prieto-Araujo +1
This study proposes a control strategy to ensure the safe operation of modern power systems with high penetration of inverter-based resources (IBRs) within an optimal operation fra…
SIaD-Tool: A Comprehensive Frequency-Domain Tool for Small-Signal Stability and Interaction Assessment in Modern Power Systems
Luis A. Garcia-Reyes, Oriol Gomis-Bellmunt, Eduardo Prieto-Araujo +2
This paper presents SIaD-Tool, an open-source frequency-domain (FD) scanning solution for stability and interaction assessment in modern power systems. The tool enables multi-seque…
Distribution Network Reconfiguration: A Reproducible Benchmark of Heuristic, Metaheuristic and Mathematical Methods
Ferran Bohigas-Daranas, Oriol Gomis-Bellmunt, Eduardo Prieto-Araujo
Distribution network reconfiguration (DNR) has been studied for five decades, yet published algorithms are rarely compared under identical assumptions: authors report results on di…
Cell-based VSC Analysis Methodology: From Graph Laplacian to Converter Degrees of Freedom
Daniele Falchi, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
Power-electronics-based converters are being considerably employed through the power system to interconnect multiple heterogeneous electrical layers. Furthermore, the intrinsic ver…
A Matlab-based Toolbox for Automatic EMT Modeling and Small-Signal Stability Analysis of Modern Power Systems
Josep Arevalo-Soler, Dionysios Moutevelis, Elia Mateu-Barriendos +5
The intensive integration of power converters is changing the way that power systems operate, leading to the emergence of new types of dynamic phenomena and instabilities. At the s…
Data-Driven Decision Making for Enhancing Small-Signal Stability in Hybrid AC/DC Grids Through Converter Control Role Assignment
Francesca Rossi, Sergi Costa Dilme, Josep Arevalo-Soler +2
Hybrid AC/DC transmission grids incorporate Modular Multilevel Converters functioning as Interconnecting Power Converters (IPCs). The control role assigned to each converter signif…
A Dynamic Similarity Index for Assessing Voltage Source Behaviour in Power Systems
Onur Alican, Dionysios Moutevelis, Josep Arevalo-Soler +5
Due to the fundamental transition to a power electronic dominated power system, the increasing diversity of dynamic elements underscores the need to assess their similarity to matu…
Shaping Frequency Dynamics in Modern Power Systems with Grid-forming Converters
Carlos Collados-Rodriguez, Daniel Westerman Spier, Marc Cheah-Mane +2
In this paper, frequency dynamics in modern power systems with a high penetration of converter-based generation is analysed. A fundamental analysis of the frequency dynamics is per…
Power Oscillation Damping Controllers for Grid-Forming Power Converters in Modern PowerSystems
Elia Mateu-Barriendos, Onur Alican, Javier Renedo +5
Inter-area oscillations have been extensively studied in conventional power systems dominated by synchronous machines, as well as methods to mitigate them. Several publications hav…
Deep Learning-based Machine Condition Diagnosis using Short-time Fourier Transformation Variants
Eduardo Jr Piedad, Zherish Galvin Mayordo, Eduardo Prieto-Araujo +1
In motor condition diagnosis, electrical current signature serves as an alternative feature to vibration-based sensor data, which is a more expensive and invasive method. Machine l…
Exploring Wavelet Transformations for Deep Learning-based Machine Condition Diagnosis
Eduardo Jr Piedad, Christian Ainsley Del Rosario, Eduardo Prieto-Araujo +1
Deep learning (DL) strategies have recently been utilized to diagnose motor faults by simply analyzing motor phase current signals, offering a less costly and non-intrusive alterna…
Dual-Port Grid-Forming Interconnecting Power Converters in Hybrid AC/DC Grids
Josep Arévalo-Soler, Mehrdad Nahalparvari, Dominic Gross +3
Interconnecting power converters (IPC) are the main elements enabling the interconnection of multiple high-voltage alternating current (HVAC) and high-voltage direct current (HVDC)…
Optimal Dynamic Ancillary Services Provision Based on Local Power Grid Perception
Verena Häberle, Xiuqiang He, Linbin Huang +2
In this paper, we propose a systematic closed-loop approach to provide optimal dynamic ancillary services with converter-interfaced generation systems based on local power grid per…
An Effective Methodology for Short-Circuit Calculation of Power Systems Dominated by Power Electronics Converters Considering Unbalanced Voltage Conditions and Converter Limits
Jie Song, Marc Cheah-Mane, Eduardo Prieto-Araujo +1
This paper deals with the challenge of short-circuit calculation for power systems dominated by power electronics converters. A novel methodology has been presented to identify sho…