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English
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2023
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1. |
Linhjell, Dag; Mehammer, Eirill Bachmann. Dynamic moisture diffusion in transformer winding insulation. Journal of Physics: Conference Series (JPCS) 2023 ;Volum 2626. ENERGISINT
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2021
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2. |
Linhjell, Dag; Lundgaard, Lars Esben. A Setup for Measuring Bubbling from Paper in Transformer Oil under Simulated sudden Overload. I: 2021 IEEE Electrical Insulation Conference - EIC. IEEE 2021 ISBN 978-1-6654-1564-4. s. 572-575 ENERGISINT
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2020
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3. |
Linhjell, Dag; Lundgaard, Lars Esben; Unge, M.; Hjortstam, Olof. Pressure-Dependent Propagation of Streamers under Step Voltage in a long Point-Plane Gap in Transformer Oil. IEEE transactions on dielectrics and electrical insulation 2020 ;Volum 27.(5) s. 1595-1603 ENERGISINT
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4. |
Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael; Hjortstam, Olof. Prebreakdown phenomena in hydrocarbon liquids in a point-plane gap under step voltage. Part 1: behaviour at positive polarity. Journal of Physics Communications 2020 ;Volum 4.(4) s. 1-22 ENERGISINT
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5. |
Lundgaard, Lars Esben; Linhjell, Dag; Hestad, Øystein Leif Gurandsrud; Unge, Michael; Hjortstam, Olof. Pre-breakdown phenomena in hydrocarbon liquids in a point-plane gap under step voltage. Part 2: behaviour under negative polarity and comparison with positive polarity. Journal of Physics Communications 2020 ;Volum 4.(4) s. 1-20 ENERGISINT
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2019
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6. |
Linhjell, Dag; Lundgaard, Lars Esben; Unge, Mikael. Pressure Dependent Propagation of Positive Streamers in a long Point-Plane Gap in Transformer Oil. I: 2019 IEEE 20th International Conference on Dielectric Liquids - ICDL. IEEE 2019 ISBN 978-1-7281-1718-8. ENERGISINT
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2017
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7. |
Hestad, Øystein Leif Gurandsrud; Linhjell, Dag; Lundgaard, Lars Esben; Samseth, Jarl Ø.; Unge, Mikael. Field dependent conductivity of n-pentane. I: 2017 IEEE 19th International Conference on Dielectric Liquids - ICDL. IEEE conference proceedings 2017 ISBN 978-1-5090-4877-9. s. - NTNU ENERGISINT
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8. |
Liland, Knut Brede; Linhjell, Dag; Lesaint, Cedric Michel; Ese, Marit-Helen Glomm; Lundgaard, Lars Esben; Mavrommatis, Pascal; Stjepanovic, Nenad Miroljub. Comparison between synthetic ester and mineral oil impregnated transformer paper aging markers. I: 2017 IEEE 19th International Conference on Dielectric Liquids - ICDL. IEEE conference proceedings 2017 ISBN 978-1-5090-4877-9. ENERGISINT
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9. |
Linhjell, Dag; Lundgaard, Lars Esben; Unge, Mikael. Positive third mode streamers in insulating oil. I: 2017 IEEE 19th International Conference on Dielectric Liquids - ICDL. IEEE conference proceedings 2017 ISBN 978-1-5090-4877-9. ENERGISINT
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2016
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10. |
Abdelmalik, Abdelghaffar Amoka; Borge, Malin Drevdal; Nysveen, Arne; Lundgaard, Lars Esben; Linhjell, Dag. Statistical analysis of dielectric breakdown of liquid insulated printed circuit boards. IEEE transactions on dielectrics and electrical insulation 2016 ;Volum 23.(4) s. 2303-2310 ENERGISINT NTNU
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2015
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11. |
Lundgaard, Lars Esben; Liland, Knut Brede; Linhjell, Dag; Susa, Dejan; Ese, Marit-Helen; Selsbak, Cecilie Mørk; Kes, M; Lesaint, Cedric Michel. Transformer Windings Ageing, diagnosis and asset management. Version 4. : SINTEF Energi 2015 (ISBN 978-82-594-3665-8) 63 s. SINTEF Energi. Rapport(TR A7099) ENERGISINT
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2014
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12. |
Davari, Nazanin; Åstrand, Per-Olof; Unge, Mikael; Lundgaard, Lars Esben; Linhjell, Dag. Field-dependent molecular ionization and excitation energies: Implications for electrically insulating liquids. AIP Advances 2014 ;Volum 4.(3) ENERGISINT NTNU
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13. |
Nguyen, Dung Van; Linhjell, Dag; Lundgaard, Lars Esben; Høidalen, Hans Kristian; Unge, M.. Effects of spatial restriction on streamers in white oil. I: 2014 IEEE 18th International Conference on Dielectric Liquids ICDL. Curran Associates, Inc. 2014 ISBN 9781479920655. ENERGISINT NTNU
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14. |
Unge, M.; Singha, S; Ingebrigtsen, Stian; Linhjell, Dag; Lundgaard, Lars Esben. Influence of molecular additives on positive streamer propagation in ester liquids. I: 2014 IEEE 18th International Conference on Dielectric Liquids ICDL. Curran Associates, Inc. 2014 ISBN 9781479920655. ENERGISINT
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2013
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15. |
Davari, Nazanin; Åstrand, Per-Olof; Unge, Michael; Lundgaard, Lars Esben; Linhjell, Dag. Field-dependent ionization potentials and excitation energies of molecules of relevance for electrically insulating liquids. I: 2013 IEEE Conference on Electrical Insulation and Dielectric Phenomena - CEIDP. IEEE Press 2013 ISBN 978-1-4799-2597-1. s. 651-654 ENERGISINT NTNU
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16. |
Davari, Nazanin; Åstrand, Per-Olof; Unge, Mikael; Lundgaard, Lars Esben; Linhjell, Dag. Field-Dependent Ionization Potentials and Excitation Energies of Molecules of Relevance for Electrically Insulating Liquids. 2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena; 2013-10-20 - 2013-10-23 ENERGISINT NTNU
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17. |
Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben; Unge, Michael. Positive Breakdown Streamers and Acceleration in a Small Point-Plane Liquid Gap and Their Variation with Liquid Properties. I: Proceedings of the 23rd Nordic Insulation Symposium - NORDI-IS13. Akademika forlag 2013 ISBN 978-82-321-0274-7. s. 191-196 ENERGISINT
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18. |
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. Effects of reduced pressure and additives on streamers in white oil in long point-plane gap. Journal of Physics D: Applied Physics 2013 ;Volum 46.(25) ENERGISINT NTNU
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19. |
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. Influence of impurities and additives on negative streamers in paraffinic model oil. IEEE transactions on dielectrics and electrical insulation 2013 ;Volum 20.(3) s. 876-886 ENERGISINT NTNU
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20. |
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. Streamer Propagation in a Long Gap in Model Liquids. I: Proceedings of the 23rd Nordic Insulation Symposium - NORDI-IS13. Akademika forlag 2013 ISBN 978-82-321-0274-7. s. 89-93 ENERGISINT NTNU
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21. |
Unge, Mikael; Singha, Santanu; Nguyen, Dung Van; Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben. Enhancements in the lightning impulse breakdown characteristics of natural ester dielectric liquids. Applied Physics Letters 2013 ;Volum 102.(17) ENERGISINT NTNU
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2012
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22. |
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, M.. A Study on Positive Streamer Channels in Marcol Oil. I: Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2012. IEEE conference proceedings 2012 ISBN 978-1-4673-1253-0. s. 365-370 ENERGISINT NTNU
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23. |
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. Influence of impurities and additives on positive streamers in paraffinic model oil. IEEE transactions on dielectrics and electrical insulation 2012 ;Volum 19.(5) s. 1593-1603 NTNU ENERGISINT
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2011
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24. |
Lesaint, Cedric Michel; Magnusson, Helene Konstansia; Spets, Øyvind; Simon, Sebastien Charles; Hannisdal, Andreas; Lundgaard, Lars Esben; Linhjell, Dag; Sjøblom, Johan. Analysis of Crude Oils by Frequency Domain SpectroscopyEffect of Composition and Physical Properties on Conductivity and Dielectric Response. Journal of Dispersion Science and Technology 2011 ;Volum 32.(6) s. 874-880 NTNU ENERGISINT
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25. |
Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben; Unge, Mikael. Streamers in long point-plane gaps in cyclohexane with and without additives under step voltage. Proceedings of IEEE International Conference on Dielectric Liquids 2011 ENERGISINT
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26. |
Linhjell, Dag; Lundgaard, Lars Esben; Selsbak, Cecilie Mørk. Temperature-dependent contamination distribution between oil, paper and pressboard. Proceedings of IEEE International Conference on Dielectric Liquids 2011 ENERGISINT
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27. |
Nguyen, Dung Van; Mauseth, Frank; Høidalen, Hans Kristian; Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben; Unge, Michael. Streamers in large paraffinic oil gap. Proceedings of IEEE International Conference on Dielectric Liquids 2011 ENERGISINT NTNU
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2010
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28. |
Hestad, Øystein Leif; Lundgaard, Lars Esben; Linhjell, Dag. New experimental system for the study of the effect of temperature and liquid to solid transition on streamers in dielectric liquids: Application to cyclohexane. IEEE transactions on dielectrics and electrical insulation 2010 ;Volum 17.(3) s. 764-774 NTNU ENERGISINT
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2008
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29. |
Lundgaard, Lars Esben; Linhjell, Dag; Hestad, Øystein Leif Gurandsrud; Borlaug, Jan-Trygve. High Frequency dielectric Response of Paper/Oil Insulation. I: 2008 IEEE International Conference on Dielectric Liquids. IEEE 2008 ISBN 978-1-4244-1585-4. ENERGISINT NTNU
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2007
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30. |
Linhjell, Dag; Lundgaard, Lars Esben. Dielectric response of mineral oil impregnated cellulose and the impact of aging. IEEE transactions on dielectrics and electrical insulation 2007 ;Volum 14.(1) s. 156-169 ENERGISINT
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2005
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31. |
Linhjell, Dag; Hestad, Øystein Leif Gurandsrud; Gäfvert, U.; Lundgaard, Lars Esben. Dielectric response of oil-impregnated cellulose from 0.1 mHz to 3 MHz. I: 2005 International Conference on Dielectric Liquids, ICDL 2005. IEEE conference proceedings 2005 ISBN 0780389549. ENERGISINT
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32. |
Linhjell, Dag; Lundgaard, Lars Esben. Dielectric response of oil-impregnated paper and pressboard. I: Proceedings of the 19th Nordic Insulation symposium. Tapir Akademisk Forlag 2005 ISBN 8251920558. ENERGISINT
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33. |
Lundgaard, Lars Esben; Hansen, Walter; Linhjell, Dag. Ageing of kraft and thermally upgraded oil impregnated paper. I: Proceedings of the 19th Nordic Insulation symposium. Tapir Akademisk Forlag 2005 ISBN 8251920558. ENERGISINT
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2004
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34. |
Lundgaard, Lars Esben; Hansen, Walter; Linhjell, Dag; Painter, Terence John. Ageing of oil-impregnated paper in Power transformers. IEEE Transactions on Power Delivery 2004 ;Volum 19.(1) s. 230-239 ENERGISINT
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2001
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35. |
Lundgaard, Lars Esben; Linhjell, Dag; Berg, Gunnar. Streamer/leaders from a metallic particle between parallel plane electrodes in transformer oil. IEEE transactions on dielectrics and electrical insulation 2001 ;Volum 8.(6) s. 1054-1063 ENERGISINT
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1999
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36. |
Linhjell, Dag; Berg, Gunnar; Lundgaard, Lars Esben. Streamers from a metallic particle between parallel plane electrodes in transformer oil. I: Proceedings of 1999 IEEE 13th International Conference on Dielectric Liquids - ICDL'99. IEEE conference proceedings 1999 ISBN 0-7803-4759-5. ENERGISINT
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1998
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37. |
Lundgaard, Lars Esben; Linhjell, Dag; Berg, Gunnar; Sigmond, Reidar Svein. Propagation of positive and negative streamers in oil gaps with and without pressboard interfaces. IEEE transactions on dielectrics and electrical insulation 1998 ;Volum 5.(3) s. 388-395 NTNU ENERGISINT
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1996
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38. |
Lundgaard, Lars Esben; Linhjell, Dag; Berg, Gunnar; Sigmond, Reidar Svein. Positive and negative streamers in oil gaps with and without pressboard interfaces. I: 12th International Conference on Conduction and Breakdown in Dielectric Liquids 1996 - ICDL'96. IEEE conference proceedings 1996 ISBN 0-7803-3560-0. s. 175-180 ENERGISINT
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1994
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39. |
Linhjell, Dag; Lundgaard, Lars Esben; Berg, Gunnar. Streamer propagation under impulse voltage in long point-plane oil gaps. IEEE transactions on dielectrics and electrical insulation 1994 ;Volum 1.(3) s. 447-458 ENERGISINT NTNU
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1993
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40. |
Linhjell, Dag; Berg, Gunnar; Lundgaard, Lars Esben. Streamer propagation in long point-plane oil gaps. I: Proceedings of 1993 IEEE 11th International Conference on Conduction and Breakdown in Dielectric Liquids -ICDL'93. IEEE conference proceedings 1993 ISBN 0-7803-0791-7. s. 268-273 ENERGISINT
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