[HTML][HTML] Accuracy improvement of transformer faults diagnostic based on DGA data using SVM-BA classifier

Y Benmahamed, O Kherif, M Teguar, A Boubakeur… - Energies, 2021 - mdpi.com
The main objective of the current work was to enhance the transformer fault diagnostic
accuracy based on dissolved gas analysis (DGA) data with a proposed coupled system of …

[HTML][HTML] Designing digitally enabled proactive maintenance systems in power distribution grids: A sco** literature review

LK Mortensen, K Sundsgaard, HR Shaker, JZ Hansen… - Energy Reports, 2024 - Elsevier
The digitalization of the power distribution grid has surged over the past decade. This
transformation has given rise to a host of new data-driven applications focused on condition …

Enhancing diagnostic accuracy of transformer faults using teaching-learning-based optimization

SSM Ghoneim, K Mahmoud, M Lehtonen… - Ieee …, 2021 - ieeexplore.ieee.org
The early detection of the transformer faults with high accuracy rates guarantees the
continuous operation of the power system networks. Dissolved gas analysis (DGA) is a …

A new sensor fault diagnosis method for gas leakage monitoring based on the naive Bayes and probabilistic neural network classifier

Q Tan, X Mu, M Fu, H Yuan, J Sun, G Liang, L Sun - Measurement, 2022 - Elsevier
Gas monitoring sensor is prone to failure and its fault type is difficult to identify due to harsh
working condition. In this work, a new sensor fault diagnosis method for gas leakage …

Accurate identification of transformer faults from dissolved gas data using recursive feature elimination method

S Das, A Paramane, S Chatterjee… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Dissolved gas analysis (DGA) of insulating oils is one of the most popular methods to detect
incipient faults in power transformers. However, appropriate feature selection is crucial for …

A bi-level machine learning method for fault diagnosis of oil-immersed transformers with feature explainability

D Zhang, C Li, M Shahidehpour, Q Wu, B Zhou… - International Journal of …, 2022 - Elsevier
Power transformer faults are considered rare events, so data samples in normal operations
are much more readily available than in faulty conditions. Traditionally, power transformer …

Discernment of transformer oil stray gassing anomalies using machine learning classification techniques

MK Ngwenyama, MN Gitau - Scientific Reports, 2024 - nature.com
This work examines the application of machine learning (ML) algorithms to evaluate
dissolved gas analysis (DGA) data to quickly identify incipient faults in oil-immersed …

Two graphical shapes based on DGA for power transformer fault types discrimination

MM Emara, GD Peppas… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Different graphical diagnostic methods, which are based on dissolved gas analysis (DGA)
are widely used for fault diagnosis and monitoring of dielectric liquid filled transformers. The …

Sensing incipient faults in power transformers using bi-directional long short-term memory network

S Das, A Paramane, S Chatterjee… - IEEE Sensors Letters, 2023 - ieeexplore.ieee.org
Dissolved gas analysis (DGA) is a standard technique for detecting incipient faults in oil-
immersed power transformers. However, fault sensing accuracy depends on feature …

Corrosive dibenzyl disulfide concentration prediction in transformer oil using deep neural network

S Das, A Paramane, UM Rao… - … on Dielectrics and …, 2023 - ieeexplore.ieee.org
Dibenzyl disulfide (DBDS) is the most prevalent corrosive sulfur in transformer oil. It reacts
with the transformer windings to produce copper sulfide (Cu2S) and gets deposited on the …