Electrical and Electronic Engineering

Electrical and Electronic Engineering is an open access journal that provides rapid publication of articles in all areas of the subject. The journal welcomes the submission of manuscripts that meet the general criteria of significance and scientific excellence.

Issouf Fofana

Editorial Board Member of Electrical and Electronic Engineering

Professor, University of Quebec at Chicoutimi, Canada

Research Areas

Dielectrics and Electrical Insulating Materials, Electric Field Calculations, Insulating Fluids, Atmospheric Icing, Lightning Related Phenomena, HV Testing Techniques and Computer Aided Design

Education

1996Ph.DElectrical Engineering, Ecole Centrale de Lyon, France
1993M.ScElectrical Engineering, Ecole Centrale de Lyon, France
1991B.ScElectromechanical Eng., National University of Ivory Coast, Abidjan, Ivory Coast

Experience

2010University of Quebec at Chicoutimi, Professor
2009Visiting Professor, Ecole Centrale de Lyon, Lyon (France)
2007Visiting Professor, Ecole Centrale de Lyon, Lyon (France)
2006Visiting Professor, Leibniz University of Hanover (Germany)
2005-presentUniversity of Quebec at Chicoutimi, Canada Research Chair Holder
2004-presentUniversity of Quebec at Chicoutimi, Associate Professor
2001-2004University of Quebec at Chicoutimi, Research Professor on grant
2000-2001University of Quebec at Chicoutimi, Associate Researcher
1998-2000Invited Researcher (fellow of Alexander von Humboldt1), Technical University of Hanover, Germany
2000-2001Université du Québec à Chicoutimi (UQAC), Postdoctoral Fellow
1996-1997CEGELY, Lyon (France), Postdoctoral fellow

Academic Achievement

2005 Initiator and holder of the Canada Research Chair, on Insulating Liquids and Mixed Dielectrics for Electrotechnology (ISOLIME). Appreciation Award from Canada's Prime Minister
1997-1999 Outstanding Education Fellowship, Invited Researcher in Germany, Alexander von Humboldt Stiftung
1992-1996 Outstanding Education Fellowship, Master and PhD Degrees, Ministry of Higher Education of Ivory Coast
1987-1991 Outstanding Education Fellowship for undergraduate studies, Ministry of Higher Education of Ivory Coast
1980-1987 Outstanding Education Fellowship, collegial studies, Ministry of Higher Education of Ivory Coast

Membership

Member, Present ASTM D27 Task Group to develop a test method for Partial Discharge Inception Voltage (Committee D27 on Electrical Insulating Liquids and Gases)
Member, IEEE Task Force on Atmospheric Icing performance of line insulators
Member, Present Technical Committee on Energy and Power Systems of the International Association of Science and Technology for Development (IASTED)

Publications: Journals

[1]  J. S. N'Cho, I. Fofana, A. Beroual; T. Aka-Ngnui and J. Sabau, "The gassing Tendency of various Insulating Fluids under Electrical discharge", IEEE Transactions on Dielectrics and Electrical Insulation (accepted for publication).
[2]  I. Fofana, H. Hemmatjou and F. Meghnefi, "Effect of Thermal Transient on the Polarization and Depolarization Current Measurements of Oil-Paper Insulation", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 18, Issue 2, pp. 513-520, April 2011.
[3]  I. Fofana, A. Bouaicha and M. Farzaneh, "Aging Characterization of Transformer Oil-Pressboard Insulation using Modern Diagnostic Techniques", European Transactions on Electric Power Engineering, published online in Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/etep.499.
[4]  A. Akbari, A. Setayeshmehr, H. Borsi and E. Gockenbach and I. Fofana, "Intelligent Agentbased System using Dissolved Gas Analysis to Detect Incipient Faults in Power Transformers", IEEE Electrical Insulation Magazine, Vol. 26, No 6, pp. 28-41, November/December 2010.
[5]  A. Béroual, J. H. Rakotonandrasana and I. Fofana, "Predictive dynamic model of the negative lightning discharge based on the similarity with long laboratory sparks-Part 2: Validation", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 17, Issue 5, pp. 1562-1568, October 2010.
[6]  A. Béroual, J. H. Rakotonandrasana and I. Fofana, "Predictive dynamic model of the negative lightning discharge based on the similarity with long laboratory sparks-Part 1: Physical process and modelling", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 17, Issue 5, pp. 1551-1561, October 2010.
[7]  S. Farokhi; M. Farzaneh and I. Fofana; "The effect of polarity on dc arc development over an ice surface", Journal of Physics D: Applied Physics, Vol. 43 (2010) 185202 (11pp), published online at: http://stacks.iop.org/JPhysD/43/185202.
[8]  I. Fofana, H. Hemmatjou, F. Meghnefi, M. Farzaneh, A. Setayeshmehr, H. Borsi and E. Gockenbach; "On the Frequency Domain Dielectric Response of Oil-Paper Insulation at Low Temperatures", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 17, Issue 3, pp. 805-813, June 2010.
[9]  J. Sabau, I. Fofana, A. Bouaicha, Y. Hadjadj and M. Farzaneh, "An Environmentally Friendly Dissolved Oxygen and Moisture Removal System for Freely Breathing Transformers", IEEE Electrical Insulation Magazine, Volume 26, No 3, pp. 35-42, May/June 2010.
[10]  S. Farokhi; M. Farzaneh and I. Fofana; "Experimental Investigation of the Process of Arc Propagation over an Ice Surface", IEEE Transactions on Dielectrics and Electrical Insulation, Special Issue on outdoor Insulation, Vol. 17, Issue 2, pp. 458-464, April 2010.
[11]  I. Fofana, A. Bouaicha, M. Farzaneh, J. Sabau and D. Bussières, "Decay Products in the Liquid Insulation of Power Transformers", IET Electric Power Applications, Vol. 4, Iss. 3, pp. 177-184, 2010.
[12]  I. Fofana, H. Hemmatjou and M. Farzaneh, "Low Temperature and Moisture Effects on Polarization and Depolarization Currents of Oil-Paper Insulation", Electric Power Systems Research Vol. 80, pp 91-97, January 2010 (Available online 11 September 2009).
[13]  V. G. Arakelian and I. Fofana, "Physicochemical Aspects of Gassing of Insulating Liquids under Electrical Stress", IEEE Electrical Insulation Magazine Vol. 25, No. 3, pp. 1-16, May/June 2009.
[14]  A. Bouaïcha, I. Fofana, M. Farzaneh, A. Seytashmehr, H. Borsi, E. Gockenbach, A. Béroual and N. T. Aka, "On the Usability of Dielectric Spectroscopy Techniques as Quality Control Tool", IEEE Electrical Insulation Magazine, Vol. 25, No. 1, pp. 6-14, Jan/Feb 2009.
[15]  A. Bouaïcha, I. Fofana, M. Farzaneh, A. Béroual, A. Seytashmehr, H. Borsi, et E. Gockenbach, "Contrôle Non Destructif des Isolations Électriques par Spectroscopie Diélectrique durant la Fabrication des Bornes de Traversée", Revue de l'Électricité et d'Électronique (REE), No 11, Décembre 2008.
[16]  A. Seytashmehr, I. Fofana, C. Eichler, A. Akbari, H. Borsi and E. Gockenbach, "Dielectric Spectroscopic Measurements on Transformer Oil-Paper Insulation under Controlled Laboratory Conditions", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 15, No. 4, pp. 1100-1111, August 2008.
[17]  J. H. Rakotonandrasana, A. Béroual and I. Fofana, "Modelling of the negative discharge in long air gaps under impulse voltages", J. Phys. D: Appl. Phys. 41 105210 (15pp) (published online May 2008: http://www.iop.org/EJ/abstract/0022-3727/41/10/105210/).
[18]  I. Fofana, M. Farzaneh, H. Hemmatjou and C. Volat, "Study of Discharge in air from the Tip of an Icicle", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 15, No. 3, pp. 730-740, June 2008.
[19]  H. Javadi, H. Hemmatjou, M. Farzaneh and I. Fofana, "An Analytic Model to Simulate the Leakage Current of a Snow-Covered Insulator", European Transactions on Electric Power Engineering, Vol. 18, pp. 403-422, (published online May 2007), 2008.
[20]  E. Briosso, I. Fofana, B. Robertson and J. Sabau, "Enhancing the Maintenance of Transformer Oils to Diminish the Risk of Blackouts", Energetica, Vol. 55, pp. 465-469, December 2007.
[21]  I. Fofana and M. Farzaneh, "Application of Dynamic Model to Flashover of Ice-Covered Insulators", IEEE Transactions on Dielectrics and Electrical Insulation vol. 14, No. 6, pp. 1410-1417, December 2007.
[22]  H. Hemmatjou, M. Farzaneh and I. Fofana, "Modeling of the AC Arc Discharge inside Wet Snow", IEEE Transactions on Dielectrics and Electrical Insulation, vol. 14, No. 6, pp. 1390-1400, December 2007.
[23]  I. Ndiaye, M. Farzaneh and I. Fofana, "Study of the development of Positive Streamers along Ice Surface", IEEE Transactions on Dielectrics and Electrical Insulation, vol. 14, no. 6, pp. 1436-1445, December 2007.
[24]  I. Fofana, H. Borsi, E. Gockenbach and M. Farzaneh, "Aging of Transformer Insulating Materials under Selective Conditions", European Transactions on Electrical Power, Vol. 17, pp. 427-449, 2007.
[25]  M. Farzaneh, A. C. Baker, R. A. Bernstorf, J. T. Burnhan, E. A. Cherney, W. A. Chisolm, I. Fofana, R. S. Gorur, T. Grisham, I. Gutman, L. Rolfseng and G. A. Stewart, "Selection of Line Insulators with respect to ice and snow, Part II: Selection Methods and Mitigations Options--A position paper prepared by the IEEE Task Force on icing performance of line insulators", IEEE Transactions on Power Delivery, Vol. 22, No 4, pp. 2297-2304, Oct 2007.
[26]  V. G. Arakelian and I. Fofana, "Water in Oil Filled High Voltage Equipment, Part II: Water Content as Physico-chemical Tools for Insulation Condition Diagnosis", IEEE Electrical Insulation Magazine — Vol. 23, No. 5, pp. 15-24, September/October 2007.
[27]  V. G. Arakelian and I. Fofana, "Water in Oil Filled High Voltage Equipment, Part I: States, Solubility and Equilibrium in Insulating Materials", IEEE Electrical Insulation Magazine, Vol. 23, No. 4, pp. 15-27, July/August 2007.
[28]  M. Farzaneh, I. Fofana and H. Hemmatjou, "Parameters Affecting Electrical Characteristics of Snow Accumulated on an HV Insulator", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 14, No. 1 pp. 185-193, 2007.
[29]  C. Tavakoli, M. Farzaneh, I. Fofana, and A. Béroual, "Dynamics and Modeling of AC Arc on Surface of Ice", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 13, No. 6, pp. 1278-1285, 2006.
[30]  I. Fofana, V. Wasserberg, H. Borsi, E. Gockenbach and M. Farzaneh, "Specific Investigations to Quantify Heavy Damage Causes on Loading Resistor Modules", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 13, No. 3, pp. 593-600, June 2006.
[31]  M. Farzaneh, I. Fofana, I. Ndiaye and K. D. Srivastava, "Experimental Studies of Ice Surface Discharge Inception and Development", International Journal of Power and Energy Systems, Vol. 26, no. 1, pp. 34-41, 2006.
[32]  I. Fofana, V. Wasserberg, H. Borsi, E. Gockenbach and M. Farzaneh, "Drying of Transformer insulation using Zeolite", IEEE Electrical Insulation Magazine, Vol. 20, No. 1, pp. 21-30, Jan/Feb 2004.
[33]  M. Farzaneh and I. Fofana, "Study of Insulator Flashovers caused by Atmospheric Ice Accumulation", Journal of Iranian Association of Electrical and Electronics Engineers, Iran, Vol. 1, no. 1, pp. 10-23, Spring 2004.
[34]  M. Farzaneh and I. Fofana, "Experimental Study and Analysis of Corona Discharge Parameters on an Ice Surface", J. Phys. D: Appl. Phys. Vol. 37, pp. 721-729, 2004.
[35]  M. Farzaneh, I. Fofana, C. Tavakoli and X. Chen, "Dynamic Modelling of DC Arc Discharge on Ice Surfaces", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 10, pp. 463-474, June 2003.
[36]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach "Challenge for a Mixed Insulating Liquids for using in High Voltage Transformers-Part 2 : Dielectric Behaviour of the Mixed Liquids Impregnated Paper Insulation" IEEE Electrical Insulation Magazine Vol. 18, No. 4, pp. 5-16, July/August 2002.
[37]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach "Challenge for a Mixed Insulating Liquids for using in High Voltage Transformers-Part 1 : The Dielectric Behavior of the Mixed Liquids" IEEE Electrical Insulation Magazine Vol. 18, No. 3, pp. 18-31, Mai/June 2002.
[38]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach, "Preliminary Investigations for the Retrofilling of Perchlorethylene based fluid filled transformers", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 9, pp. 97-103, January 2002.
[39]  I. Fofana, H. Borsi and E. Gockenbach, "Fundamental Investigations on some Transformers Liquids under various Outdoor Conditions", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 8, pp. 1040-1047, December 2001.
[40]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach, "Retrofilling Conditions of High Voltage Transformers", IEEE Electrical Insulation Magazine, Vol. 17, No. 2, pp. 17-30, March/April 2001.
[41]  A. Béroual and I. Fofana, "Evaluation of the Streamer Conductivity in Liquids using and Equivalent Electrical Network Model", Archives of Electrical Engineering Vol. XLIX, No 1, pp. 23-33, 2000.
[42]  I. Fofana and A. Béroual, "Induced Effects on an Overhead Line due to Nearby Positive Lightning Downward Leader", Electric Power Systems Research, Vol. 48, pp 105-19, 1998.
[43]  I. Fofana, A. Ben Rhouma, A. Béroual and Ph. Auriol, "Modelling Positive Lightning downward Leader for Studying its Effects on Engineering Systems", IEE-Power Generations and Transmissions Systems, Vol. 145, No 4, pp 395-402, 1998.
[44]  I. Fofana and A. Béroual, "Predischarge Models of Dielectric Liquids", Japanese Journal of Applied Physics, Vol. 37, Part 1, No 5A, pp 2540-7, 1998.
[45]  I. Fofana and A. Béroual, "A Predictive Model of Positive Discharge in Long Air Gaps under Pure and Oscillating impulse Shapes", Journal of Physics D: Applied Physics, Vol. 30 No 11, pp 1653-67, 1997.
[46]  I. Fofana and A. Béroual, "A New Proposal for Calculation of the Leader Velocity Based on Energy Considerations", Journal of Physics D: Applied Physics, Vol. 29 No 3, pp 691-6, 1996.
[47]  I. Fofana and A. Béroual, "A Model for Long Air Gaps Discharge using an Equivalent Electrical Network", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 3 No 2, pp 273-82, 1996.
[48]  I. Fofana and A. Béroual, "Modelling of the Leader Current with an Equivalent Electrical Network", Journal of Physics D: Applied Physics, Vol. 28, No 2, pp 303-13, 1995.

Publications: Conferences/Workshops/Symposiums

[1]  J. S. N'cho, I. Fofana, T. Aka-Ngnui and A. Beroual, "Parameters Affecting the Static electrification of aged transformer Oils", 2011 IEEE Annual Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Cancun, Mexico, 16 Oct-19 Oct 2011.
[2]  J. S. N'cho, I. Fofana, A. Beroual and T. Aka-Ngnui, "Parameters Affecting the Formation of Corrosive Suphide Deposition on Copper Conductors", 17th International Symposium on High Voltage Engineering (ISH 2011), August 22nd-26th 2011, Hanover, Germany.
[3]  H. Hemmatjou and I. Fofana, "Frequency Domain Spectroscopic Measurements of Oil impregnated Paper insulation System under Thermal Runaway", 17th International Symposium on High Voltage Engineering (ISH 2011), August 22nd-26th 2011, Hanover, Germany.
[4]  J. C. Olivares-Galvan, R. Escarela-Perez, E. Campero-Littlewood, Issouf Fofana, Pavlos S. Georgilakis and Salvador Magdaleno-Adame, "Analysis of Journal Publications on Transformers from 1990 to 2000", NAPS 2011: 43rd North American Power Symposium, Boston, USA, Aug 4, 2011-Aug 6, 2011.
[5]  P. S. Georgilakis, J. C. Olivares-Galvan, R. Escarela-Perez, I. Fofana and G. K. Stefopoulos, "Environmental Cost of Transformer Losses for Industrial and Commercial Users of Transformers", NAPS 2011 : 43rd North American Power Symposium, 2011Boston, USA, Aug 4, 2011-Aug 6.
[6]  L. Loiselle et I. Fofana, "Influence de la qualité de l'huile isolante sur le refroidissement des transformateurs de puissance", Xème Colloque Interuniversitaire Franco-Québécois sur la Thermique des Systèmes, 20-22 juin 2011, Saguenay, Canada.
[7]  Y. Hadjadj, I. Fofana, F. Meghnefi and A. Bouaïcha, "Assessing Oil Paper Insulation Conditions by Poles computed from Frequency Domain Spectroscopy", International Conference on Dielectric Liquids, to be held in Trondheim, Norway, 26-30 June 2011.
[8]  J. S. N'Cho, I. Fofana, A. Béroual and T. Aka-Ngnui, " The Gassing Tendency of Reclaimed Oils", International Conference on Dielectric Liquids, to be held in Trondheim, Norway, 26-30 June 2011.
[9]  S. Farokhi, M. Farzaneh and I. Fofana, "Multiple-arc propagation over an ice surface", Electrical Insulation Conference (EIC 2011), to be held in Annapolis, Maryland, United States, June 5-8, 2011.
[10]  S. Taheri, M. Farzaneh, C. Poitvin and I. Fofana, "DC Flashover performance of insulators under icing conditions", The 14th International Workshop on Atmospheric Icing of Structures (IWAIS 2011), to be held in Chongqing (China) May 8-13, 2011.
[11]  S. Taheri, M. Farzaneh, B. M. Mirzaei and I. Fofana, "Leakage current simulation of a precontaminated insulator covered with snow", The 14th International Workshop on Atmospheric Icing of Structures (IWAIS 2011), to be held in Chongqing (China) May 8-13, 2011.
[12]  J. Sabau, I. Fofana, S. Gal and M. Oltean, "Inoxidable Liquid Insulation for Power Transformers", 8th Regional Conference for National Committees of CIGRE in Arab Countries, Power 2010 Conference & Exhibition, Doha (Qatar), October 2010.
[13]  J-S. Ncho, T. Aka, A. Beroual, L. Loiselle and I. Fofana, "Parameters Affecting the Electrical and Thermal Properties of Transformer Oils", 2010 IEEE Annual Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), West Lafayette (Indiana, USA), October 17-20th, 2010.
[14]  J-S. Ncho, I. Fofana, T. Aka and A. Béroual, " Effect of Electrical Discharge on Oil Decaying Process", International Conference on High Voltage Engineering and Application (ICHVE 2010), New Orleans, October 11-14th 2010.
[15]  I. Fofana, Y. Bouslimi and H. Hemmatjou, "Studying transformer oil static electrification in the spinning disc system", International Conference on High Voltage Engineering and Application (ICHVE 2010), New Orleans, October 11-14th 2010.
[16]  J-S. Ncho, A. Beroual, T. Aka, I. Fofana and J. Sabau, "Assessing Oil Reclamation Effectiveness by means of Turbidity and Spectro-photometry Analysis", International Conference on Condition Monitoring and Diagnosis 2010 (CMD2010) to be held in Tokyo, Japan September 6-11, 2010.
[17]  I. Fofana, H. Hemmatjou, M. Farzaneh, E. Gockenbach and H. Borsi, "Polarization and Depolarization Current Measurements of Oil impregnated Paper insulation System under Thermal Runaway", 10th IEEE International Conference on Solid Dielectrics, Potsdam, Germany, 4th-9th July 2010.
[18]  F. Meghnefi, H. Hemmatjou, I. Fofana and M. Farzaneh, Deriving an Equivalent Circuit of Composite Oil Paper Insulation for Understanding the Frequency Domain Spectroscopic Measurements", IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), to be held in Virginia Beach, USA, October 2009.
[19]  A. Bouaïcha, I. Fofana, M. Farzaneh and J. Sabau, "Early Stage Detection of Insulating Fluids Decay Products", IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), to be held in Virginia Beach, USA, October 2009.
[20]  A. Beroual, I. Fofana and J-H. Rakotonandrasana, "Modelling Laboratory Negative Long Spark Discharges", IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), to be held in Virginia Beach, USA, October 2009.
[21]  S. Farhoki, M. Farzaneh and I. Fofana, "Characteristics of Channel and the Contact Surface of a DC Arc Formed over an Ice Surface", IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), to be held in Virginia Beach, USA, October 2009.
[22]  A. Beroual, I. Fofana and J-H. Rakotonandrasana, "Comparison of the main macroscopic parameters of positive and negative lightning discharges-A study using a dynamic discharge model", X International Symposium on Lightning Protection, Curitiba (Brasil), November 9-13th 2009.
[23]  A. Bouaïcha, I. Fofana and M. Farzaneh "A three dimensional electrical network for oilpaper insulation modeling", 16th International Symposium on High Voltage Engineering, Cape Town, South Africa August 24 to 28th 2009.
[24]  I. Fofana and J. Sabau, "An Improved Preventive Maintenance Technique for Freely Breathing Power Transformer", 16th International Symposium on High Voltage Engineering, Cape Town, South Africa, August 24 to 28th 2009.
[25]  I. Fofana, A. Bouaïcha, M. Farzaneh and J. Sabau, "Suspended Particles in aged Insulating Liquid", 16th International Symposium on High Voltage Engineering, Cape Town, South Africa, August 24 to 28th 2009.
[26]  I. Fofana, F. Meghnefi and C. Volat, "On the Stability of Mineral Insulating Oils under Electrical Stress", 2009 Electrical Insulation Conference, Montréal, 31 May to 3 June 2009.
[27]  I. Fofana, H. Hemmatjou, M. Farzaneh, A. Setayeshmehr, H. Borsi and E. Gockenbach, "Low Temperature and Moisture Effects on Oil-Paper Insulation Dielectric Response in Frequency Domain", 2009 Electrical Insulation Conference, Montréal, 31 May to 3 June 2009.
[28]  A. Bouaïcha, I. Fofana and M. Farzaneh, "Effect of Oxygen on Oil Decay Products Formation", 2009 Electrical Insulation Conference, Montréal, Montréal, 31 May to 3 June 2009.
[29]  I. Fofana, A. Bouaïcha, M. Farzaneh and J. Sabau, "Ageing Behaviour of Mineral Oil and Ester Liquids: a Comparative Study", 2008 IEEE Annual Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Quebec City, October 26-29th, 2008.
[30]  A. Bouaïcha, I. Fofana and M. Farzaneh, "Influence of the Relative Amount of Paper on Aged Mineral Oil Decay Products", 2008 IEEE Annual Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Quebec City, October 26-29th, 2008.
[31]  I. Ndiaye, M. Farzaneh and I. Fofana, "A Comparative Study of Positive and Negative Streamer Development along an Ice Surface", 2008 IEEE Annual Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Quebec City, October 26-29th, 2008.
[32]  S. Farhoki, M. Farzaneh and I. Fofana, "Study of Ultraviolet Emission and Visible Discharge along an Ice Surface", 2008 IEEE Annual Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Quebec City, October 26-29th, 2008.
[33]  A. Seytashmehr, I. Fofana, A. Akbari, H. Borsi and E. Gockenbach, "Evaluating the Influence of Temperature and Water Content on Transformer Insulation by Interfacial Polarization Spectra Measurement", ETG-Fachtagung Grenzflächen in elektrischen Isoliersystemen, Würzburg (Germany), September 16-17th, 2008.
[34]  I. Fofana and V. Arakelian, "On the States of Water and its Quantification in Oil Impregnated Power Equipments", 16th IEEE International Conference on Dielectric Liquids, Poitiers, France, 30 June-4 July, 2008.
[35]  A. Bouaïcha, I. Fofana and M. Farzaneh," Application of Modern Diagnostic Techniques to Assess the Condition of Oil and Pressboard", 16th IEEE International Conference on Dielectric Liquids, Poitiers, France, 30 June-4 July, 2008.
[36]  I. Fofana, J. Sabau, D. Bussières and B. Robertson, "The Mechanism of Gassing in Power Transformers", 16th IEEE International Conference on Dielectric Liquids, Poitiers, France, 30 June-4 July, 2008.
[37]  A. Seytashmehr, I. Fofana, A. Akbari, H. Borsi and E. Gockenbach, "Effects of temperature, water content and ageing on the dielectric response of transformer", 16th IEEE International Conference on Dielectric Liquids, Poitiers, France, 30 June-4 July, 2008.
[38]  S. Farhoki, M. Farzaneh and I. Fofana, "High-speed Observation of Discharge Propagation along Ice-Covered Insulators", Iranian Conference on Electrical Engineering (ICEE) Teheran (Iran), Mai 13 to 15th 2008.
[39]  A. Béroual, J. H. Rakotomandrasana and I. Fofana, "Modelling of the Negative Lightning Discharge with an Equivalent Electrical Network", IX International Symposium on Lightning Protection, Foz do Iguaça (Brasil), November 26-30th 2007.
[40]  A. Bouaïcha, I. Fofana, M. Farzaneh A. Béroual et N. T. Aka, "Utilisation de la spectroscopie diélectrique comme outil de contrôle de qualité dans le processus de fabrication d'une borne de traversée", 3e Conférence Européenne sur les Matériels de Postes HT & MT, les 15 et 16 novembre 2007, Lyon, France.
[41]  H. Hemmatjou, M. Farzaneh and I. Fofana, "Ice Surface Resistance Measurements", 12th International Workshop on Atmospheric Icing, IWAIS 2007, Yokohama, Japan, October 9-13th, 2007.
[42]  I. Ndiaye, I. Fofana and M. Farzaneh, "Processes of Ice Surface Discharges under Lightning Impulse Voltage", 12th International Workshop on Atmospheric Icing, IWAIS 2007, Yokohama, Japan, October 9-13th, 2007.
[43]  I. Fofana, H. Borsi and E. Gockenbach, "Oil Filled Transformer Retrofilled with ester Liquid-Facts and Arguments", 15th International Symposium on High-Voltage Engineering, ISH 2007, paper T8-453, Ljubljana, Slovenia, August 27-31, 2007.
[44]  A. Seytashmehr, I. Fofana, A. Akbari, H. Borsi and E. Gockenbach, "Effects on temperature on the dielectric response of transformer", 15th International Symposium on High-Voltage Engineering, ISH 2007, paper T8-537, Ljubljana, Slovenia, August 27-31, 2007.
[45]  A. Setayeshmehr, A. Akbari, H. Borsi, E. Gockenbach and I. Fofana, "Winding Diagnostic by On-line Transfer Function Determination via Power Transformer Bushing Tap", 15th International Symposium on High-Voltage Engineering, ISH 2007, paper T8-536, Ljubljana, Slovenia, August 27-31, 2007.
[46]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach, "The effect of temperature gradient on the dielectric properties of insulating fluids", Proc. of the IEEE International Symposium on Electrical Insulation (ISEI), Toronto, Canada, pp. 523-526, June 11-14th, 2006.
[47]  I. Fofana and M. Farzaneh, "Process of Discharge Initiation and Arc Development on an Ice-Covered Insulator", IEEE PES Transmission & Distribution Conference, Session: Insulator Selection for Icing Performance, Paper Number: TD2005-601, Dallas, Texas, USA, May 21-26th 2006.
[48]  I. Ndiaye, M. Farzaneh, I. Fofana and K.D. Srivastava, "Computer modeling of corona streamer inception on an ice surface", 2005 IEEE CEIDP, pp. 144-147, Nashville, Tennessee (USA), October 16-19th 2005.
[49]  H. Hemmatjou, M. Farzaneh and I. Fofana, "AC arc characteristics inside wet snow", 2005 IEEE CEIDP, pp. 329-332, Nashville, Tennessee (USA), October 16-19th 2005.
[50]  H. Hemmatjou, I. Fofana and M. Farzaneh, "Propagation of AC arc discharge inside wet snow", 14th International Symposium on High Voltage Engineering, paper D-27, Bejing, China, August 25-29 2005.
[51]  I. Fofana, V. Wasserberg, H. Borsi, E. Gockenbach and M. Farzaneh, "Preliminary Investigations on the Insulating Liquid used in some Loading Resistances to Quantify Premature Damage Causes", International Conference on Dielectric Liquids (ICDL 2005), pp. 413-416, Coimbra (Portugal), from June 26th to July 1st 2005.
[52]  I. Fofana and M. Farzaneh, "Dynamics of Streamer on Ice Surfaces", The 11th International Workshop on Atmospheric Icing of Structures, Montreal, Qc, Canada, Paper IW-24, pp. 237-242, June 12-16th 2005.
[53]  M. Farzaneh, I. Fofana and C. Tavakoli, "Process and Modeling of AC Arc Development on an Ice Surface", Proc. of the 11th International Workshop on Atmospheric Icing of Structures, Montreal, Qc, Canada, Paper IW-34, pp. 225-230, June 12-16th 2005.
[54]  I. Fofana and M. Farzaneh, "A simplified model for simulation of corona discharge development on an ice surface", 2004 IEEE CEIDP, Boulder, Colorado (USA), pp. 667-670, October 17-20th 2004.
[55]  M. Farzaneh, I. Fofana and H. Hossein, "The electrical properties of snow", 2004 IEEE CEIDP, Boulder, Colorado (USA), pp. 611-614, October 17-20th 2004.
[56]  I. Fofana and A. Béroual, "A quantitative study of lightning striking distance factors", CD-ROM of the 27th International Conference on Lightning Protection, Avignon (France), paper 4p.3, September 13-16th 2004.
[57]  A. Béroual, A. Bedja, I. Fofana and Ph. Auriol, "Modeling Attempt of Negative Discharge in Long Air Gaps Using Equivalent Electrical Network", CD-ROM of the 27th International Conference on Lightning Protection, Avignon (France), paper 1b.8, September 13-16th 2004.
[58]  I. Ndiaye, I. Fofana and M. Farzaneh, "Contribution à l'Étude de l'Initiation des Décharges Électriques à la Surface de Glace", Canadian Conference on Electrical and Computer Engineering, Montreal (Quebec, Canada) May 4-7th 2003.
[59]  C. Tavakoli, I. Fofana and M. Farzaneh, "Dynamic Modelling of AC Iced Insulator Characteristics", Canadian Conference on Electrical and Computer Engineering, Montreal (Quebec, Canada) May 4-7th 2003.
[60]  I. Fofana, C. Tavakoli and M. Farzaneh, "Dynamic Modelling of AC Iced Insulator Characteristics", IEEE Power Tech, Paper 308, Bologna (Italy) June 23-26th 2003.
[61]  I. Fofana, C. Tavakoli, M. Farzaneh and A. Beroual, "Physical Modelling of DC Electric Arc Propagation on an Ice Surface", 13th International Symposium on High Voltage Eng., paper 232, Deft (The Netherlands), August 25-29th 2003.
[62]  I. Fofana, H. Borsi, E. Gockenbach and M. Farzaneh, "Results on ageing of Aramid paper under selective conditions", 13th International Symposium on High Voltage Eng., paper 127, Deft (The Netherlands), August 25-29th 2003.
[63]  I. Fofana and A. Béroual, "An Analysis of a Positive Lightning Downward Leader Field Coupling to a Nearby Overhead Line located on a Non-uniform Ground surface", 26th International Conference on Lightning Protection, pp. 214-219, Cracow (Poland) September 2-6th 2002.
[64]  A. Béroual and I. Fofana, "Influence of Soil Conductivity and Electrode Geometry at the Ground on the Positive Lightning Impulse Current", 26th International Conference on Lightning Protection, pp. 65-70, Cracow (Poland), September 2-6th 2002.
[65]  V. Wasserberg, H. Borsi, E. Gockenbach and I. Fofana, "Novel systems for the upgrading of power transformers insulation", 14th International Conference on conduction and breakdown in Dielectric Liquids, Graz (Austria) July 7-12th 2002.
[66]  M. Farzaneh, I. Fofana, I. Ndiaye, C. Volat and K. D. Srivastava, "Corona Streamer Inception at an Ice Surface" IASTED Int. Conf. on Power and Energy Systems, Crete, Greece, June 23-26th 2002.
[67]  I. Fofana, M. Farzaneh and C. Tavakoli, "Modelling Arc Propagation Velocity on Icecovered Surfaces", The 10th International Workshop on Atmospheric Icing of Structures, Brno, Czech Republic, June 17-20th 2002.
[68]  I. Fofana, M. Farzaneh, C. Tavakoli and A. Beroual, "Dynamic modelling of flashover process on Insulator under Atmospheric Icing conditions", 2001 IEEE Conference on Electrical Insulation and Dielectric Phenomena, pp. 605-608, Kitchener, Ontario (Canada), October 14-17th 2001.
[69]  I. Fofana, H. Borsi and E. Gockenbach, "Results on Aging of Cellulose paper under Selective conditions", 2001 IEEE Conference on Electrical Insulation and Dielectric Phenomena, pp. 205-208, Kitchener, Ontario (Canada), October 14-17th 2001.
[70]  C. Tavakoli, I. Fofana and M. Farzaneh, "Dynamic modelling of Flashover Process on Ice-covered insulator surfaces" 58th Eastern Snow Conference, Ottawa (Ontario, Canada) 14-17th May, 2001. Awarded best Student Competition Paper 2001.
[71]  V. Wasserberg, H. Borsi, E. Gockenbach and I. Fofana, "Drying of Immersed Solid Insulations using a Hygroscopic Insulating Liquid", 12th International Symposium on High Voltage Engineering, paper 4-72, Vol. 2, pp. 493-496, Bangalore (India), August 23-27th 2001.
[72]  V. Wasserberg, H. Borsi, E. Gockenbach and I. Fofana, "An Alternative Method for Drying Insulating Liquids using a Synthetic Mineral", 12th International Symposium on High Voltage Engineering, paper 4-73, Vol. 2, pp 497-500, Bangalore (India), August 23-27th 2001.
[73]  I. Fofana, M. Farzaneh and C. Tavakoli, "Dynamic Modelling of DC Arc on Polluted Insulators", 12th International Symposium on High Voltage Engineering, paper 5-41, Vol. 3, pp. 747-750, Bangalore (India), August 23-27th 2001.
[74]  M. Farzaneh, I. Fofana, C. Tavakoli and A. Béroual, "A Mathematical Model of Arc Development on Ice Surfaces under DC Voltage", IASTED Int. Conf. on Power and Energy Systems, paper 337-070, Rhodes, Greece, July 3-6th 2001.
[75]  I. Fofana, H. Borsi and E. Gockenbach, "Moisture Uptake of Mineral Oil at Different Air Relative humidities and Temperatures", 2000 IEEE Conference on Electrical Insulation and Dielectric Phenomena, pp. 276-9, Victoria, British Columbia (Canada), October 15-18th 2000.
[76]  I. Fofana and A. Béroual, "Modelling Lightning Connection to a Ground Structure", 25th International Conference on Lightning Protection, 4.24 page 401, Rhodes (Greece), September 18-22nd 2000.
[77]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach, "Determination of the Electrical Properties of mixed Transformers fluids under Thermal Ageing", 11th International Symposium on High Voltage Engineering, Vol. 3 p. 360, London (United Kingdom), August 23-27th 1999.
[78]  I. Fofana, A. Béroual and A. Boubaker, "Influence of Insulating Barriers on the Positive Long Air Gaps in Divergent Field", 11th International Symposium on High Voltage Engineering, Vol. 3 p. 321, London (United Kingdom), August 23-27th 1999.
[79]  I. Fofana, V. Wasserberg, H. Borsi and E. Gockenbach "The Dielectrical and Electrical Behaviour of Mixed Insulating Fluids of Transformers", 13th International Conference on conduction and breakdown in Dielectric Liquids, pp 491-4, Nara (Japan) July 20-25th 1999.
[80]  I. Fofana and A. Béroual, "Studying Positive Lightning Induced Effects on a very close Power Distribution Line" 13th International Zurich Symposium & Technical Exhibition on Electromagnetic Compatibility, paper 59J3 pp 309-14, Zurich (Switzerland), February 16-18th 1999.
[81]  I. Fofana and A. Béroual, "Positive Lightning Downward Leader Induced Overvoltages on Nearby Overhead Line in Presence of Distribution Transformer and Surge Arrester", 24th International Conference on Lightning Protection, paper 197, pp 268-73, Birmingham (United Kingdom), September 14-18th 1998.
[82]  I. Fofana and A. Béroual, "Determination of the U50 Voltage for Long Air Gaps by using an Experimental Simulator" 10th International Symposium on High Voltage Engineering, pp 21-4, Montreal, Quebec (Canada), August 25-29th 1997.
[83]  I. Fofana, A. Béroual, Ph. Auriol and A. Ben Rhouma, "A Model of Positive Lightning Stepped Leader and Radiated Electromagnetic Fields" 12th International Zurich Symposium & Technical Exhibition on Electromagnetic Compatibility, pp 153-8, paper 29F2, Zurich (Switzerland), February 18-20th 1997.
[84]  I. Fofana and A. Béroual, "A Positive Lightning Stepped Leader Model Based on the Similarity with Long Laboratory Sparks" 23rd International Conference on Lightning Protection, pp 393-8, Firenze (Italy) September 23-27th 1996.
[85]  A. Béroual and I. Fofana, "Modelling of the Streamer in Dielectric Liquids with an Equivalent Electrical Network" 12th International Conference on conduction and breakdown in Dielectric Liquids, pp 214-7, Roma (Italy) July 15-19th 1996.
[86]  I. Fofana, "Modélisation de la Décharge dans les Grands Intervalles d'Air", 3e Conférence des Jeunes Chercheurs en Génie Électrique, pp 300-3, Lyon (France), 1-3 Avril 1996.
[87]  I. Fofana and A. Béroual, "Modelling of the Leader and the Return Stroke Currents with an Equivalent Electrical Network", 9th International Symposium on High Voltage Engineering, paper 2141, Graz (Austria), August 28-September 1, 1995.