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Improving microgrid frequency stability through PI-PIDA-driven STATCOM optimization using a hybrid metaheuristic algorithm (2025)
Journal Article

Frequency instability caused by symmetrical and asymmetrical faults in a microgrid can cause significant oscillations and deviations from the nominal frequency. Therefore, there is a need to develop new control methods to ensure the rapid stabilizati... Read More about Improving microgrid frequency stability through PI-PIDA-driven STATCOM optimization using a hybrid metaheuristic algorithm.

Optimised sustainable energy supply alternatives for Libyan utilities under unsubsidised tariff conditions (2025)
Journal Article

With growing electricity demand and fossil fuel concerns, renewable energy (RE) solutions are becoming increasingly important. This paper explores sustainable energy alternatives to address the critical energy instability at an educational utility, n... Read More about Optimised sustainable energy supply alternatives for Libyan utilities under unsubsidised tariff conditions.

Innovative Investigation of the Resilience of EV Charging Infrastructure Under Cyber‐Physical Threats Based on a Real‐Time Co‐Simulation Testbed (2025)
Journal Article



The rapid expansion of electric vehicle (EV) charging infrastructure has introduced significant vulnerabilities to cyber-physical threats, raising concerns about the resilience of both charging and smart power grid systems. This paper presents an... Read More about Innovative Investigation of the Resilience of EV Charging Infrastructure Under Cyber‐Physical Threats Based on a Real‐Time Co‐Simulation Testbed.

Dynamic Dual‐Level Overcurrent Protection Scheme for Distributed Energy Resource Networks Using Digital Twins Technology (2025)
Journal Article

The integration of distributed generators (DGs), particularly renewable energy sources, into conventional distribution networks (DNs) presents significant protection challenges. This study introduces a novel digital twins-based overcurrent relay (OCR... Read More about Dynamic Dual‐Level Overcurrent Protection Scheme for Distributed Energy Resource Networks Using Digital Twins Technology.

Advanced voltage relay design for distance relay coordination in power networks equipped with low‐inertia areas (2024)
Journal Article
Alasali, F., El‐Naily, N., Mustafa, H. Y., Loukil, H., Saad, S. M., Saidi, A. S., & Holderbaum, W. (2024). Advanced voltage relay design for distance relay coordination in power networks equipped with low‐inertia areas. IET Generation, Transmission and Distribution, 19, Article e13338. https://doi.org/10.1049/gtd2.13338

In modern power systems with high levels of distributed generation (DG), traditional protection schemes face challenges in ensuring reliable and efficient fault detection due to the complexities introduced by DG, particularly low‐inertia sources such... Read More about Advanced voltage relay design for distance relay coordination in power networks equipped with low‐inertia areas.

Advanced Modelling and Performance Analysis of a Separately Excited Direct-Current Motor Powered by Photovoltaic Generators Using Maximum Power Point Tracking Techniques (2024)
Journal Article
Alasali, F., O. Sweidan, T., I. Abuashour, M., & Holderbaum, W. (2024). Advanced Modelling and Performance Analysis of a Separately Excited Direct-Current Motor Powered by Photovoltaic Generators Using Maximum Power Point Tracking Techniques. Journal of Low Power Electronics and Applications, 14(4), Article 56. https://doi.org/10.3390/jlpea14040056

The integration of photovoltaic (PV) systems into DC motor drives has prompted the enhancement of motor performance. This study explores the application of photovoltaic generators (PVs) to independently power and excite a Separately Excited Direct-Cu... Read More about Advanced Modelling and Performance Analysis of a Separately Excited Direct-Current Motor Powered by Photovoltaic Generators Using Maximum Power Point Tracking Techniques.

Innovative protection schemes through hardware-in-the-loop dynamic testing. (2024)
Journal Article
Alasali, F., El-Naily, N., Y. Mustafa, H., Loukil, H., M. Saad, S., Salah Saidi, A., & Holderbaum, W. (2024). Innovative protection schemes through hardware-in-the-loop dynamic testing. Computers and Electrical Engineering, 119(Part B), Article 109559. https://doi.org/10.1016/j.compeleceng.2024.109559

In microgrid environments, the behaviour of Distributed Generation (DG) during fault conditions
varies significantly based on DG types and penetration levels. Conventional Overcurrent Relays
(OCRs) with standard time-current characteristics may exh... Read More about Innovative protection schemes through hardware-in-the-loop dynamic testing..

Highly sensitive protection scheme considering the PV operation control models (2024)
Journal Article
Alasali, F., Albayadrah, H., El-Naily, N., Loukil, H., Holderbaum, W., Flah, A., & Saidi, A. S. (in press). Highly sensitive protection scheme considering the PV operation control models. Electric Power Systems Research, 237, Article 111025. https://doi.org/10.1016/j.epsr.2024.111025

The integration of distributed generation (DG) based on inverters into power systems has increased significantly, necessitating a thorough understanding of its impact on fault analysis and the performance of distribution networks' protection mechanis... Read More about Highly sensitive protection scheme considering the PV operation control models.

A Novel Approach for Solving the Time-Varying Complex-Valued Linear Matrix Inequality Based on Fuzzy-Parameter Zeroing Neural Network (2024)
Presentation / Conference Contribution

Solving linear matrix inequality (LMI) is crucial across diverse fields, and the emergence of zeroing neural networks (ZNN) presents a novel solution for the time-varying LMI (TV-LMI) challenge. However, the application of ZNN to solve the time-varyi... Read More about A Novel Approach for Solving the Time-Varying Complex-Valued Linear Matrix Inequality Based on Fuzzy-Parameter Zeroing Neural Network.

Advanced Optimal Twin‐Setting Protection Coordination Scheme for Maximizing Microgrid Resilience (2024)
Journal Article
Alasali, F., El-Naily, N., Saidi, A., Nasr A. Elghaffar, A., & Holderbaum, W. (2024). Advanced Optimal Twin‐Setting Protection Coordination Scheme for Maximizing Microgrid Resilience. International Journal of Energy Research, 2024, Article 276352. https://doi.org/10.1155/2024/7276352

The increasing penetration of distribution generators (DGs), such as PV systems, has led to a significant power protection concern
for optimal overcurrent coordination. However, existing literature indicates that the traditional phase over current re... Read More about Advanced Optimal Twin‐Setting Protection Coordination Scheme for Maximizing Microgrid Resilience.

Enhancing Gearbox Fault Diagnosis through Advanced Feature Engineering and Data Segmentation Techniques (2024)
Journal Article
Shukla, K., Holderbaum, W., Theodoridis, T., & Wei, G. (in press). Enhancing Gearbox Fault Diagnosis through Advanced Feature Engineering and Data Segmentation Techniques. Machines, 12(4), 261. https://doi.org/10.3390/machines12040261

Efficient gearbox fault diagnosis is crucial for the cost-effective maintenance and reliable operation of rotating machinery. Despite extensive research, effective fault diagnosis remains challenging due to the multitude of features available for cla... Read More about Enhancing Gearbox Fault Diagnosis through Advanced Feature Engineering and Data Segmentation Techniques.

Enhancing resilience of advanced power protection systems in smart grids against cyber–physical threats (2024)
Journal Article

Recently, smart grids introduce significant challenges to power system protection due to the high integration with distributed energy resources (DERs) and communication systems. To effectively manage the impact of DERs on power networks, researchers... Read More about Enhancing resilience of advanced power protection systems in smart grids against cyber–physical threats.