Speakers & Topics

Preventive Measures & Post-Event Responses for Volcanic Ash Deposition on Transmission Line Insulators (in English)

Tomonori Shiraishi has more than 30 years of experience in the design, operation, and maintenance of overhead transmission line facilities. He is currently responsible for the technical management of overhead transmission assets at TEPCO Power Grid, including engineering, maintenance,...  » READ MORE

1. Diagnostics & Maintenance of Ageing OHL Conductor Joints (in English)
2. Preventive Maintenance of Fibre Optic Terminations (in English)

Chair Session 9: Condition Monitoring & Maintenance

Mr. Sidenvall received his M. Sc. in Materials Science from the Royal Institute of Technology in Sweden. He started his career working in R&D at ABB and later moved to high voltage consulting at STRI before starting I2G along with several colleagues in 2017....  » READ MORE

Challenges & Solutions for Assessment of Lightning Performance of Transmission Lines (in English)

Prof. Silveira received his B.Sc., M.Sc. and Doctoral Degrees in electrical engineering from the Federal University of Minas Gerais (UFMG) in Belo Horizonte, Brazil. He has worked in the Electrical Engineering Department of UFMG since 2009 and is currently an Associate Professor....  » READ MORE

Operating Experience with Line Surge Arresters Applied on Croatia’s Transmission Network (in English)

Silvia Sinčić received her Ph.D. in electrical engineering from the University of Zagreb, Croatia, in 2020. Her doctoral thesis focused on reducing the number of lightning-caused outages on high-voltage overhead lines through the application of line surge arresters. She currently works as an advisor in the Executive Office of the Croatian Transmission System Operator (HOPS),...  » READ MORE

Operating Principles and Performance Analysis of Booster Sheds on Substation Equipment Insulators (in English)

Bio coming soon. ...  » READ MORE

Field Experience with Alligator Cracking of Polymeric Transformer Bushings (in English)

Mr. Kannan holds a Bachelor of Electrical Engineering Degree from Western Michigan University and a Masters of Power Engineering from Tenaga Nasional University. He is a Registered Professional Engineer as well as Chartered Electrical Engineer (IET UK) with Tenaga Nasional Berhad’s Transmission Division and represents the Malaysia National Committee in CIGRE WG A2....  » READ MORE

Risk-Based Assessment of Clearance Violations in Line Rating (in English)

Mr. Tannemaat has a background in Electrical and Electronic Engineering, with experience ranging from system-level aspects to detailed component engineering in transmission grids. His main areas of interest are Insulation Coordination, Earthing, and Measurement & Sensing Systems. After working as an Asset Specialist for substation equipment at the Dutch TSO,...  » READ MORE

Lightning Performance of O/H Transmission lines: Predicted Vs. Observed (in English & Spanish)

Mr. Tauta Rua is an electrical engineer (National University of Colombia), he has a master’s degree in electrical engineering (Universidad de los Andes) and a master’s degree in technological innovation management (ITM). He has more than 16 years of experience in the different stages of the life cycle of energy transmission and distribution infrastructure,...  » READ MORE

Topic still being finalized / Tema ainda por definir / Tema aún por definir

Ms. Varli received her M.Sc. in Electrical Engineering and Information Technology from the Technical University in Dortmund in Germany and started her career in 2015 at German TSO Amprion in the Department of Transmission Technology before being appointed to her present position in 2019....  » READ MORE

Condition Monitoring: From Leakage Current Assessment to IEC 60815 Insulation Dimensioning. Field Experience (in English)

Mrs. Vegazo is an Industrial Engineer with a Master’s Degree in Renewable Energy. fter working in the Nuclear Engineering Department of Iberdrola Engineering, she joined La Granja Insulators in 2014 as an R&D Engineer and currently is Technical Director....  » READ MORE

1. Continuous Monitoring of Transient Overvoltages: Experience in Dutch Transmission System (in English)
2. Lightning Performance Analysis of Standardized 110 kV & 150 kV Substations Based on Modular Design (in English)

Konstantinos (Kostas) Velitsikakis is a Senior Expert in Insulation Coordination and Electromagnetic Transient (EMT) Studies with over 15 years of experience in High and Extra High Voltage power systems....  » READ MORE

Statistical Insights from HVAC Cable Type & On-Site Testing: What Test Data Reveals (in English)

Mr. Verhoeven leads KEMA’s strategic technology development as well as expansion of future testing and certification capabilities for the power sector. He holds an M.Sc. in Power Engineering from Eindhoven University of Technology and joined KEMA in 1991. Since then,...  » READ MORE

Leakage Current Monitoring of HV Insulators Across Diverse Climates: Toward Condition-Based Maintenance (in English)

Professor Rodrigo Villalobos is a Civil Electrical Engineer from the University of Concepción, Concepción, Chile (2006) and a Master 2 Professional in Electrical Power Systems at the Paris XI University in France (2008). He is currently a PhD candidate at the University of Concepción....  » READ MORE

1. Using Line Surge Arresters to Convert Top Phases Into Virtual Shield Wires (in English)
2. Measuring Tower-Footing Parameters for Backflashover Assessment: Update from CIGRE WG C4.69 (in English)

Prof. Visacro is an international expert in lightning, grounding, and lightning performance of transmission lines. As a researcher, he has contributed to measurement/detection of lightning parameters as well as to experimental tests and modelling of lightning response to grounding electrodes,...  » READ MORE

Laboratory versus Field Ageing of High-Voltage Insulation Materials: A Multi-Technique Approach to Condition Assessment and Remaining-Life Prediction (in English)

Dr. sc. Dijana Vrsaljko holds M.Sc. and Ph.D. degrees from the University of Zagreb Faculty of Chemical Engineering and Technology. At KONČAR – Electrical Engineering Institute since 2002, she is lead researcher for materials in the BU Laboratory Center,...  » READ MORE