Design of transformers for very fast transient overvoltages

Álvaro Portillo

Empirical Representation of Transformer Branch Impedance Frequency Dependency

Bjørn Gustavsen, Luiz Oliveira, Alvaro Portillo, Federico Portillo

Interaction of Power Transformers and 145 kV GIS Disconnectors: Experimental Study on the Propagation of Very Fast Transient Overvoltages

Michael Bauer, Tobias Wendlinger, Thomas Manthe, Jan Weisker, Mark Reuter

Optimization of the Electrical Insulation Between Grounded Rod and Winding

Filip Krpan, Karlo Petrović, Vjenceslav Kuprešanin, Pavao Križić, Antonija Marčina Brižić

An Investigation on the effect of frequency dependent inductance calculation on high frequency modeling of transformer winding

Morteza Eslamian, Ebrahim Rahimpour, Kabir Sethi

Electromagnetic Modelling of a Phase-Shifting Transformer Based on DC Hysteresis Measurements

Alexander Fröhlich, Dennis Albert, Tomasz Bednarczyk, Sergey Zirka, Gerald Leber, Herwig Renner

Thermo-Hydraulic Network Models: Accuracy and Performance under Operational Scenarios

Johannes Raith, Patrick Picher

Numerical Analysis of Clamping Element Pressure on Power Transformer Core Sheets

Dalibor Leljak, Pavao Barišić

Numerical Vibroacoustic Analysis of a Large Transformer Tank Including Structural and Noise Optimization

Max GILLET, Bruno BOSNJAK, Hermann LANDES, Neeraj KEWAT

Thermal Aspects of Insulating Liquids for Transformers: Overview of the NewLifT Project

Camilla Espedal, Håvard Bærug, Henrik Enoksen, Dag Linhjell, Lars E. Lundgaard

Use of re-refined oils in new transformers – pioneering project in Spain

Miguel Martinez, João Guimarães, Vadim Radul, Inna Gerasimova, Maria Reigadas, Myriam Picado, Hugo Campelo

Forecasting dissolved gas analysis in power transformers using machine learning approaches

Vedran Đurina, Marin Schönberger, Vilko Cindrić

Paper Bulging in Conductors for Power Transformer application

Lorenzo Cantini, Giacomo Palermo, Paolo Pavanello, Gianluca Bustreo

Thermal Fault Identification in Transformer Bushings Using Online Monitoring and Offline Testing

Stefano Stagni, Nathan Jacob, Dimytro Golovan

Reference Temperature Challenges in Transformers with Alternative Insulation and Cooling Systems

Mahdi Rahmbeksch, Jean-Claude Duart, Radoslaw Szewczyk

Use of machine learning to calculate the compressed height of power transformers windings

Leonardo Štrac, Carolina Toscano de Jesus, Diogo Fernandes Ribeiro, Davor Fabac

Closed-Form Analytical Inductive Transformer Model for Electromagnetic Transient Response During Line Discharge

Andrea Grđan, Igor Žiger, Zlatko Hanić

Repeated Flashover Test: Influencing Parameter Analysis

Igor Ziger, Marijana Nenadic, Andrea Grđan, Kresimir Koprivec, Tomislav Zupan

Condition Assessment of Power Transformers based on UHF PD Measurement

Stefan Tenbohlen, Martin Siegel

Full Scale Internal Arcing Test in 60MVA Power Transformer: Test Results Analysis and Simulation

Ashwin Padmanaban, Marwane Elkarii, Didier Hamoir

Experimental Evaluation of Magnetically Induced Losses Based on Temperature Measurements

Zvonimir Jurković, Bojan Trkulja, Karlo Petrović, Bruno Jurišić, Mario Jurković

FORMATION AND REMOVAL OF SILVER SULPHIDE ON OLTC CONTACTS: FIELD INVESTIGATIONS, PRACTICAL APPROACHES AND MAINTENANCE PERSPECTIVE

Adam Suleiman, Dejan Susa, Chandima Ekanayake

Sprayed Metal for Effecting Leaking Transformer Repairs (SMELTeR)

Muhammad Shaban, Gordon Wilson, Ruth Hooton, Allan Lathan, Kat Lennox

Unusual x-wax formation in distribution transformer – Case study

Dijana Vrsaljko, Ivanka Radić, Vedran Đurina, Ivan Krivačić, Veronika Haramija

Nonlinear Aging Behavior of Power Transformers under Increasing Load

Silas Selzer, Niklas Bäcker, Markus Zdrallek, Korbinian Maurer, Karlheinz Lindl

Predicting Transformer Resonance and Failure Risks via Natural Frequency Analysis

Irene Woyna, Ali Al-Abadi, Digpalsinh Parmar

New Approach for differentiated Health Index for Substation Assets

Philipp Masmeier, Dr. Johannes Kreling, Dr. Andreas Kurz