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Open access Sep 2026

A Fuzzy-Logic Approach for Health Index Estimation of OLTCs in Power Transformers

Power transformers are critical assets in complex power grid systems, yet On-Load Tap Changers (OLTCs) account for over 30% of documented outages. This study introduces a Health Index (HI) model for OLTCs that employs a Fuzzy-Logic system to enhance condition-based maintenance (CBM) techniques. This research presents a...

V. Rokani, S. D. Kaminaris, C. Psomopoulos et al. · 0 citations
Review Open access Sep 2026

Risk-Based Asset Management Framework for Enhancing High Voltage Power Infrastructure Reliability in Saudi Energy Networks

The electricity system in Saudi Arabia is currently being expanded and is at the same time becoming more digitally monitored, although the high-voltage transformers, substations, transmission lines, switchgear and protection systems remain long-life assets whose failure can have severe implications for reliability and...

Muhammad Waseem Raza · 0 citations
Open access Aug 2026

A Comparative Analysis of Multi-Parameter Regression and Fuzzy Logic Models for Short-Term Load Forecasting in the Libyan Power Grid

Short-term load forecasting (STLF) is serious to power system reliability, assistant economic operation, generation arrangement, and maintenance planning through precise demand estimates. This paper compares Multi-Parameter Regression (MPR) and Fuzzy Logic (FL) for guessing load on the Libyan grid. Using temperature, h...

Mahmoud Yousef Khamaira, Saleem Aqeel Altaeb, Ali Omar Alsharif et al. · 0 citations
Open access Aug 2026

Machine Learning Based Prediction of Transformer Health Index and Remaining Life Using Transformer Oil Parameters

A machine learning-based approach for predicting the Transformer Health Index (HI) and the Remaining Life (RL) by means of the diagnostic parameters of transformer oil is described, allowing for timely planning of maintenance, reducing the occurrence of unexpected transformer failures, extending the service life of the...

S. V. Satyanarayana, P. S. Kumar · 0 citations
Open access Sep 2026

INTELLIGENT CONDITION ASSESSMENT AND REMAINING USEFUL LIFE–ORIENTED MAINTENANCE PREDICTION FOR TRACTION MOTOR MECHANICAL FAULTS

This study proposes an interpretable fuzzy-logic framework for the integrated condition assessment of railway traction motors using bearing temperature, vibration velocity, acoustic noise, and magnetic-field variation. Three linguistic states represent each diagnostic variable, and their combinations are processed u...

H. Ahmadov, E. Manafov, H. Guliyev et al. · 0 citations
Open access Sep 2026

A Unified and Interpretable Benchmark of Classification Models for DGA-Based Power Transformer Fault Diagnosis

Power transformers are among the most critical components of electric power transmission and distribution systems, and unexpected failures can lead to substantial economic losses and prolonged power outages. Dissolved Gas Analysis (DGA) is the most widely used diagnostic technique for transformer fault diagnosis and in...

Kıvanç Doğan, Merve Ertarğın, Abuzer Çalışkan et al. · 0 citations

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