5th International Colloquium on Transformer Research and Asset Management

Front Matter ....Pages i-xii
 Relative Permittivity Assessment of Oil-Impregnated Cellulose Insulation  (Mladen Marković, Marijana Majić Renjo)....Pages 1-10
 Difference Between 50 and 60 Hz Transformer No-Load Noise Levels  (Miha Pirnat)....Pages 11-18
 Reproducibility Estimation of Sound Power Level of Large Power Transformers  (Zdenko Godec, Filip Razum, Davor Švarc)....Pages 19-32
 Stressed Oil Volume Theory in Transformer Winding Corner Stress Analysis  (Petar Gabrić, Ana Orešković, Vjenceslav Kuprešanin, Antun Mikulecky, Vladimir Podobnik)....Pages 33-43
 Synthetic Ester Impact on Power Transformer Design, Manufacturing and Testing  (Dario Šegović, Ana Orešković, Žarko Janić)....Pages 45-53
 Future Trends in Transformer Online Monitoring  (Teemu Auronen, Ivan Murat, Teemu Hanninen, Samir Keitoue)....Pages 55-66
 Optimal Cooling and Life Time Management for Power Transformers  (Luc Paulhiac, Johannes Raith)....Pages 67-83
 Analysis of Overvoltages on Power Transformer Recorded by Transient Overvoltage Monitoring System  (Bozidar Filipovic-Grcic, Bruno Jurišić, Samir Keitoue, Ivan Murat, Dalibor Filipovic-Grcic, Alan Zupan)....Pages 85-102
 Power Transformer Efficiency—Survey Results and Assessment of Efficiency Implementation  (Žarko Janić, Anthony Walsh, Adesh Singh, Yordan Botev)....Pages 103-112
 Reliable Power Transformer Efficiency Tests  (Gert Rietveld, Ernest Houtzager, Dennis Hoogenboom, Gu Ye)....Pages 113-125
 Verification of Maintenance Intervals for Vacuum On-load Tap-changers  (Niklas Gustavsson)....Pages 127-134
 Prediction Model for the Distribution Transformer Failure Using Correlation of Weather Data  (Eun Hui Ko, Tatjana Dokic, Mladen Kezunovic)....Pages 135-144
 On Site Measurement and Simulation of Transferred Lightning Overvoltages Through Power Transformers  (Bruno Jurišić, Tomislav Župan, Goran Plišić, Božidar Filipović-Grčić, Goran Levačić, Alain Xemard)....Pages 145-162
 Calculation of Circuit Parameters of High Frequency Models for Power Transformers Using FEM  (Álvaro Portillo, Luiz Fernando de Oliveira, Federico Portillo)....Pages 163-182
 Small Signal Internal Voltage Transfer Measurements and White-Box Transient Calculations for Non-standard Test Conditions of a Shell-Form Power Transformer  (Bjørn Gustavsen, Ariana Martins, Carlos A. Sá, Luis Braña, Ricardo Castro Lopes, Pedro Lima et al.)....Pages 183-196
 Internal Fault Performance of Instrument Transformers with Sectioned Active Part  (Igor Žiger, Danijel Krajtner, Boris Bojanić)....Pages 197-209
 Simulation of Long-Term Transformer Operation with a Dynamic Thermal, Moisture and Aging Model  (Johannes Raith, Christian Bonini, Mario Scala)....Pages 211-226
 Line Discharge Capability of Inductive Voltage and Combined Transformers  (Ivan Konta, Dijana Papić, Dalibor Filipović-Grčić, Danijel Brezak)....Pages 227-240
 Influence of Conductor Transposition on Transformer Winding RLC Parameters  (Ana Drandić, Bojan Trkulja, Željko Štih)....Pages 241-249
 Appropriate Modelling of Transformer High Current Leads in 3D FEM  (Karlo Petrović, Bruno Jurišić, Tomislav Župan)....Pages 251-262
 Calculation of Eddy Current Losses in Iron Core of Transformer  (Stjepan Frljić, Bojan Trkulja, Željko Štih)....Pages 263-273