Constellation, le dépôt institutionnel de l'Université du Québec à Chicoutimi

Article publié dans une revue avec comité d'évaluation

Adekunle, Andrew Adewunmi, Fofana, Issouf, Picher, Patrick, Rodriguez-Celis, Esperanza et Arroyo-Fernandez, Oscar Henry. (2024). Analyzing Transformer Insulation Paper Prognostics and Health Management: A Modeling Framework Perspective. IEEE Access, 12, p. 58349-58377.

Dabaghi-Zarandi, Fataneh, Behjat, Vahid, Gauvin, Michel, Picher, Patrick, Ezzaidi, Hassan et Fofana, Issouf. (2023). Power Transformers OLTC Condition Monitoring Based on Feature Extraction from Vibro-Acoustic Signals: Main Peaks and Euclidean Distance. Sensors, 23, (16), e7020.

De Andrade Ferreira, R. S., Picher, Patrick, Ezzaidi, Hassan et Fofana, Issouf. (2021). Frequency response analysis interpretation using numerical indices and machine learning: A case study based on a laboratory model. IEEE Access, 9, p. 67051-67063.

Gmati, Ghada, Mohan Rao, Ungarala, Fofana, Issouf, Picher, Patrick, Arroyo-Fernandez, Oscar et Rebaïne, Djamal. (2023). Bubbling phenomena in liquid-filled transformers: background and assessment. Energies, 16, (9), e3829.

Jayasree, T., Fofana, Issouf, Rozga, Pawel, Ungarala, Mohan Rao, Strzelecki, K., Brettschneider, Stephan, Picher, Patrick, Rodriguez-Celis, Esperanza et Stuchala, F.. (2023). Analysis of Breakdown Voltage of Low Pour Point Synthetic Ester Insulating Liquids under Lightning Impulse Voltage of both Polarities. IEEE Transactions on Dielectrics and Electrical Insulation,

Jayasree, T., Rozga, Pawel, Fofana, Issouf, Mohan Rao, Ungarala, Brettschneider, Stephan, Picher, Patrick et Rodriguez-Celis, Esperanza. (2023). Prebreakdown and Breakdown Behaviour of Low Pour Point Dielectric Liquids Under Negative Lightning Impulse Voltage. IEEE Transactions on Dielectrics and Electrical Insulation, 30, (4), p. 1470-1477.

Jayasree, T., Ungarala, Mohan Rao, Fofana, Issouf, Brettschneider, Stephan, Rodriguez-Celis, Esperanza et Picher, Patrick. (2021). Pre-breakdown Phenomena and Influence of Aging Byproducts in Thermally Aged Low Pour Point Ester Fluids Under AC Stress. IEEE Transactions on Dielectrics and Electrical Insulation, 28, (5), p. 1563-1570.

Sékongo, Beki, Brettschneider, Stephan, Rao, U. Mohan, Fofana, Issouf, Jabbari, Marouane, Picher, Patrick et Yeo, Zie. (2022). Pre-Breakdown and Breakdown Behavior of Synthetic and Natural Ester Liquids under AC Stress. Energies, 15, (1), p. 167.

Suassuna de Andrade Ferreira, Regelii, Picher, Patrick, Ezzaidi, Hassan et Fofana, Issouf. (2021). A machine-learning approach to identify the influence of temperature on FRA measurements. Energies, 14, (18), e5718.

Suassuna de Andrade Ferreira, Regelii, Picher, Patrick, Meghnefi, Fethi, Fofana, Issouf, Ezzaidi, Hassan, Volat, Christophe et Behjat, Vahid. (2023). Reproducing Transformers’ Frequency Response from Finite Element Method (FEM) Simulation and Parameters Optimization. Energies, 16, (11), e4364.

Ungarala, Mohan Rao, Fofana, Issouf, Jaya, T., Rodriguez-Celis, Esperanza, Jalbert, Jocelyn et Picher, Patrick. (2019). Alternative dielectric fluids for transformer insulation system: progress, challenges, and future prospects. IEEE Access, 7, p. 184552-184571.

Ungarala, Mohan Rao, Fofana, Issouf et Picher, Patrick. (2022). Decay Particles and Regeneration of Ester Dielectric Liquids A Challenge! Transformer Technology Mag, (17),

Ungarala, Mohan Rao, Fofana, Issouf, Rajesh, K. N. V. P. S. et Picher, Patrick. (2021). Identification and application of machine learning algorithms for transformer dissolved gas analysis. IEEE Transactions on Dielectrics and Electrical Insulation, 28, (5), p. 1828-1835.

Ungarala, Mohan Rao, Fofana, Issouf, Rozga, Pawel, Picher, Patrick, Sarkar, Dilip K. et Karthikeyan, R.. (2022). Influence of gelling in natural esters under open beaker accelerated thermal aging. IEEE Transactions on Dielectrics and Electrical Insulation, e3217995.

Chapitre de livre

Rozga, Pawel, Jayasree, T., Ungarala, Mohan Rao, Fofana, Issouf et Picher, Patrick. (2021). Prebreakdown and Breakdown Phenomena in Ester Dielectric Liquids. Dans Ungarala, Mohan Rao, Fofana, Issouf et Sarathi, Ramanujam (dir.), Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems: Performance Analysis and Applications. (p. 147-183). IEEE Press Series on Power and Energy Systems. Hoboken, New Jersey : Wiley-IEEE Press.

Matériel de conférence

Ferreira, Regelii SA, Ezzaidi, Hassan, Fofana, Issouf et Picher, Patrick. (2021). Transformers Fault Identification by Frequency Response Analysis using Intelligent Classifiers. Dans : 22nd International Symposium on High Voltage Engineering (ISH 2021), , November 21-25, 2021, Xi’an, China.

Ferreira, Regelii SA, Sengupta, A., Picher, Patrick, Fofana, Issouf et Ezzaidi, Hassan. (2021). Influence of Transformer Structures on the Frequency Response Analysis: A Laboratory Case Study. Dans : 2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) , December 12-15, 2021, Vancouver, BC, Canada.

Jayasree, T., Ungarala, Mohan Rao, Fofana, Issouf, Brettschneider, Stephan, Rodriguez-Celis, Esperanza et Picher, Patrick. (2021). Influence of Aging on PD Characteristics of Ester Liquids with Hypothetical Plausibility. Dans : 22nd International Symposium on High Voltage Engineering (ISH) , 21-25 November 2021, Xi’an, China.

Thota, Jayasree, Ungarala, Mohan Rao, Fofana, Issouf, Picher, Patrick et Brettschneider, Stephan. (2022). Preliminary Investigations on the Gassing Tendency and Breakdown strength of Low Pourpoint Transformer Liquids under Selective Conditions. Dans : The 21st IEEE International Conference on Dielectric Liquids (ICDL 2022) , May 29 to June 2nd 2022, Sevilla (Spain).

Thèse ou mémoire de l'UQAC

Dabaghi Zarandi, Fataneh. (2025). Télésurveillance des changeurs de prises en charge (CPC) pour transformateurs de puissance. Thèse de doctorat, Université du Québec à Chicoutimi.

Gmati, Ghada. (2025). Modélisation et étude expérimentale de la température de formation des bulles dans les systèmes d'isolation des transformateurs. Thèse de doctorat, Université du Québec à Chicoutimi.

Suassuna de Andrade Ferreira, Regelii. (2022). New approaches to help improving the interpretation of Frequency Response Analysis (FRA) in power transformers. Thèse de doctorat, Université du Québec à Chicoutimi.

Suassuna de Andrade Ferreira, Regelii. (2022). New approaches to help improving the interpretation of Frequency Response Analysis (FRA) in power transformers. Thèse de doctorat, Université du Québec à Chicoutimi.