Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
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Session Overview
Session
A2-6: A2 Power Transformer and Reactor: Monitoring, Testing and Diagnostics
Time:
Wednesday, 01/Oct/2025:
4:00pm - 6:00pm

 Location: Room 520F
Session Topics:
A2 Power transformers and reactors

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Presentations
4:00pm - 4:15pm

Mitigation and Electromagnetic Transient (EMT) Analysis for Dissolved Gas in a 500 kV/16 kV Generator Step-Up (GSU) Transformer

Bruce Chen, Hyunjung Yong, Wenli Hong, Masoud Ali, Ska-Hiish Manuel, Anil Pradhan, Edward Burt

BC Hydro, Canada


4:15pm - 4:30pm

Insights in Condition Assessment of Power Transformers Using SOT and DGA Data for End-of-Life Estimation

Ahmad Vosoughi Hamzekhanlo1, Stefan Kornhuber1, Sebastian Kleyboldt2, Mahmoud Moh'd2

1University of Applied Science Zittau/Görlitz , Germany; 250Hertz Transmission GmbH


4:30pm - 4:45pm

Determining Abnormal Behaviour of Loaded Tap Changers using a DGA 4-simplex.

Zachary Draper, James Dukarm, Sanskruti Padmawar

Delta-X Research, Canada


4:45pm - 5:00pm

Software for applying the DGA interpretation method of CIGRE TB 771 using gas limits specific for each type of fault

Michel Duval1, Nelly Sénéchal1, Luc Paulhiac2, Jerzy Buchacz3, Patrick Picher1, Sébastien Favron1, Marta Cea de Ruano1, Stéphane Proulx1

1Hydro Québec, Canada; 2EDF, France; 3Electropomiar Elektryka, Poland


5:00pm - 5:15pm

Evaluation of Water Content in Solid Insulation Using Online Monitor Data

Senja Maria Leivo

Vaisala Oyj, Finland


5:15pm - 5:30pm

Partial Discharge Based Root Cause Analysis for a 33 kV Cast Resin Transformer

Raul Alvarez1, Rodolfo García-Colon2, Mihai Huzmezan3

1University of La Plata, Argentine Republic; 2Megger; 3Megger


5:30pm - 5:45pm

Impact of Accelerated Thermal Aging on Power Transformer Insulation: An FRA-Based Assessment

Avinash Srikanta Murthy1, Genaro Andrew-Morlet2, Zhanyue Wen2, Saravanan Selvaraj1

1Hitachi Energy India Limited, India; 2Hitachi Energy Germany AG, Germany


5:45pm - 6:00pm

Analysis of on-line vibroacoustic monitoring of On-Load Tap Changers in Power Transformers

Joachim Schiessling1, Nilanga Abeywickrama1, Michel Gauvin2, Patrick Picher2

1Hitachi Energy Research, Sweden; 2Hydro-Québec, Canada