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

Agouassi, Tetchi Moïse Junior. (2025). Comportement de formation de gaz dans les liquides biodégradables : influence de la composition chimique. Thèse de doctorat, Université du Québec à Chicoutimi.

Behjat, Vahid, Emadifar, Reza, Pourhossein, Mehrdad, Ungarala, Mohan Rao, Fofana, Issouf et Najjar, Reza. (2021). Improved monitoring and diagnosis of transformer solid insulation using pertinent chemical indicators. Energies, 14, (13), p. 3977.

Bétié, Amidou, Ungarala, Mohan Rao, Fofana, Issouf, Fethi, Meghnefi et Yéo, Zié. (2019). Influence of cellulose paper on gassing tendency of transformer oil under electrical discharge. IEEE Transactions on Dielectrics and Electrical Insulation, 26, (6), p. 1729-1737.

Darimireddy, Naresh K., Ungarala, Mohan Rao, Park, Chan-Wang, Fofana, Issouf, Sujatha, M. et Verma, Anant K.. (2021). Perspectives of convertors and communication aspects in automated vehicles, part 2: Printed antennas and sensors for automotive radars. Energies, 14, (6), p. 1656.

Fofana, Issouf, Bergeron, Yohan, Gagnon, Marie-Pier, Tremblay, Jonathan, Loiselle, Luc, Yapi, Kouba Marie Lucia et Ungarala, Mohan Rao. (2021). Fullers earth treatment for esters liquids used in power apparatuses: Inferences and arguments. ENP Engineering Science Journal, 1, (1),

Gautam, Leena, Sarathi, Ramanujam, Soundarya, P., Sekar, G., Ungarala, Mohan Rao et Fofana, Issouf. (2023). Quantitative Estimation of the Gelling in Thermally Aged Natural Ester Dielectric Liquid. IEEE Transactions on Dielectrics and Electrical Insulation, 31, (2), p. 897-903.

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., 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.

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.

Loiselle, Luc. (2021). Influence of ageing byproducts on the physicochemical properties and gassing tendancy of insulating fluids used in power transformers. Thèse de doctorat, Université du Québec à Chicoutimi.

Loiselle, Luc, Ungarala, Mohan Rao et Fofana, Issouf. (2020). Gassing tendency of fresh and aged mineral oil and ester fluids under electrical and thermal fault conditions. Energies, 31, (13), p. 2472.

Loiselle, Luc, Ungarala, Mohan Rao et Fofana, Issouf. (2020). Influence of ageing on oil degradation and gassing tendency under high-energy electrical discharge faults for mineral oil and synthetic ester. High Voltage, 5, (6), p. 731-738.

Loiselle, Luc, Ungarala, Mohan Rao et Fofana, Issouf. (2020). Influence of aging on oil degradation and gassing tendency for mineral oil and synthetic ester under low energy discharge electrical faults. Energies, 13, (3), p. 595.

Loiselle, Luc, Ungarala, Mohan Rao, Fofana, Issouf et Jaya, T.. (2020). Monitoring colloidal and dissolved decay particles in ester dielectric fluids. IEEE Transactions on Dielectrics and Electrical Insulation, 27, (5), p. 1516-1524.

Lyutikova, M., Korobeynikov, S., Ungarala, Mohan Rao et Fofana, Issouf. (2022). Mixed Insulating Liquids with Mineral Oil for High Voltage Transformer Applications: A Review. IEEE Transactions on Dielectrics and Electrical Insulation,

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.

Safiddine, Leila, Zafour, Amel Hadj-Ziane, Ungarala, Mohan Rao et Fofana, Issouf. (2019). Regeneration of transformer insulating fluids using membrane separation technology. Energies, 12, (3), p. 368-381.

Sékongo, Beki, Ungarala, Mohan Rao, Fofana, Issouf, Jabbari, Marouane, Akre, Simplice et Yeo, Zie. (2020). Temperature dependence of the pre-breakdown and breakdown phenomena in natural esters under AC stress. IET Science, Measurement & Technology, 14, (9), p. 762-769.

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).

Tirupati Naidu, Gottapu, Ungarala, Mohan Rao et Suresh, Sudabattula. (2022). Influence of Ester Liquids on Dielectric Strength of Cellulose Kraft Paper. Energies, 15, (3), p. 762.

Ungarala, Mohan Rao et Fofana, Issouf. (2021). Monitoring the Sol and Gel in Natural Esters under Open Beaker Thermal Aging. Dans : 2021 IEEE 5th International Conference on Condition Assessment Techniques in Electrical Systems (CATCON) , 3-5 Dec. 2021, Kozhikode, India.

Ungarala, Mohan Rao, Fofana, Issouf, Beroual, Abderrahmane, Rozga, Pawel, Pompili, Massimo, Calcara, L. et Rapp, Kevin J.. (2020). A review on pre-breakdown phenomena in ester fluids: Prepared by the international study group of IEEE DEIS liquid dielectrics technical committee. IEEE Transactions on Dielectrics and Electrical Insulation, 27, (5), p. 1546-1560.

Ungarala, Mohan Rao, Fofana, Issouf, Bétié, Amidou, Senoussaoui, M.L., Brahami, Mostefa et Briosso, Eduardo. (2019). Condition monitoring of in-service oil-filled transformers: Case studies and experience. IEEE Electrical Insulation Magazine, 35, (6), p. 33-42.

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, Kartheek, R., Yapi, K. M. L. et Jaya, T.. (2019). Mineral oil and ester based oil/paper insulation decaying assessment by FTIR measurements. Dans : ISH 2019: Proceedings of the 21st International Symposium on High Voltage Engineering , 26 au 30 août 2019, Budapest, Hongrie.

Ungarala, Mohan Rao, Fofana, Issouf et Loiselle, Luc. (2021). Behavior of Ester Liquids Under Various Operating Fault Conditions. Dans Ungarala, Mohan Rao, Fofana, Issouf et Sarathi, Ramanujam (dir.), Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems: Performance Analysis and Applications. (p. 305-320). IEEE Press Series on Power and Energy Systems. Hoboken, New Jersey : Wiley-IEEE Press.

Ungarala, Mohan Rao, Fofana, Issouf et Loiselle, Luc. (2019). Preliminary studies on soluble and colloidal decomposition products in ester filled transformers. Dans : 2019 IEEE 20th International Conference on Dielectric Liquids (ICDL) , 23-27 June 2019, Roma, Italy.

Ungarala, Mohan Rao, Fofana, Issouf, Loiselle, Luc et Jayasree, T.. (2021). End Life Behavior of Ester Liquids in High-Voltage Transformers. Dans Ungarala, Mohan Rao, Fofana, Issouf et Sarathi, Ramanujam (dir.), Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems: Performance Analysis and Applications. (p. 127-146). IEEE Press Series on Power and Energy Systems. Hoboken, New Jersey : Wiley-IEEE Press.

Ungarala, Mohan Rao, Fofana, Issouf et N'cho, Janvier Sylvestre. (2020). On some imperative IEEE Standards for usage of natural ester liquids in transformers. IEEE Access, 8, p. 145446-145456.

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 et Rodriguez-Celis, Esperanza. (2021). Liquid Insulation for Power Transformers. Dans Ungarala, Mohan Rao, Fofana, Issouf et Sarathi, Ramanujam (dir.), Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems: Performance Analysis and Applications. (p. 1-9). IEEE Press Series on Power and Energy Systems. Hoboken, New Jersey : Wiley-IEEE Press.

Ungarala, Mohan Rao, Fofana, Issouf, Rozga, Pawel, Beroual, Abderrahmane, Malde, J., Martin, R., Wang, Feipeng, Casserly, Edward, Pompili, Massimo et Calcara, L.. (2022). Next Generation Insulating Liquids. Dans : The 21st IEEE International Conference on Dielectric Liquids (ICDL 2022) , May 29th to June 2nd 2022, Sevilla (Spain).

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.

Ungarala, Mohan Rao, Verma, Anant K., Darimireddy, Naresh K., Fofana, Issouf, Park, Chan-Wang et Vedik, B.. (2021). Perspectives of convertors and communication aspects in automated vehicles, Part 1: Convertors and condition monitoring. Energies, 14, (7), p. 1795.