2024

• Hestad, Øystein Leif Gurandsrud; Aakre, Torstein Grav; Lundgaard, Lars Esben. (2024) Conduction and Electric Fields in Dielectric Liquids in Needle-to-Plane Gaps. IEEE transactions on dielectrics and electrical insulation
  Academic article

2023

• Ve, Torbjørn; Hestad, Øystein Leif Gurandsrud; Hvidsten, Sverre. (2023) The Effect of Water Content on Time Domain Dielectric Response in Polyetheretherketone. IEEE transactions on dielectrics and electrical insulation
  Academic article
• Hestad, Øystein Leif Gurandsrud. (2023) The Key to Cable Longevity: Understanding water treeing in power cables.
  Website (informational material)
• Abideen, Amar Khairy M; Hestad, Øystein Leif Gurandsrud. (2023) The Key to Cable Longevity: Understanding water treeing in power cables .
  Website (informational material)
• Lesaint, Cedric Michel; Liland, Knut Brede; Mermigkas, Athanasios; Klusmeier, Katharina Kuhlefelt; Kantar, Emre; Hvidsten, Sverre. (2023) Formation of micro-cracks at the surface of a high voltage cable screen induced by aluminum corrosion.
  Academic chapter/article/Conference paper

2022

• Abideen, Amar; Mauseth, Frank; Hestad, Øystein Leif Gurandsrud; Faremo, Hallvard. (2022) Review of Water Treeing in Polymeric Insulated Cables. Proceedings of the Nordic Insulation Symposium
  Academic article
• Hestad, Øystein Leif Gurandsrud; Tande, John Olav Giæver. (2022) “Hybrid cables” explained.
  Website (informational material)
• Ve, Torbjørn; Lesaint, Cedric Michel; Sæternes, Hans Helmer; Hvidsten, Sverre; Mermigkas, Athanasios; Bærug, Håvard. (2022) Electrical Ageing and Temperature Cycling of XLPE Insulation Saturated with Water. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Hestad, Øystein Leif Gurandsrud; Runde, Magne; Enoksen, Henrik; Magnusson, Niklas. (2022) Modeling of Internal Pressure Dynamics in Mass-Impregnated Nondraining HVDC Cables. IEEE transactions on dielectrics and electrical insulation
  Academic article
• Hestad, Øystein Leif Gurandsrud; Tande, John Olav Giæver. (2022) Hybridkabel enkelt forklart .
  Website (informational material)
• Hestad, Øystein Leif Gurandsrud; Aakre, Torstein Grav; Bærug, Håvard; Lundgaard, Lars Esben. (2022) Field Dependent Currents in n-Tridecane. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper

2021

• Hestad, Øystein Leif Gurandsrud; Tande, John Olav Giæver. (2021) Hybridkabel enkelt forklart .
  Website (informational material)
• Lesaint, Cedric Michel; Hvidsten, Sverre; Hestad, Øystein Leif Gurandsrud; Olsen, Elise; Bengtsson, Karl Magnus. (2021) Microscopy Study of Inception Sites of Vented Water Trees in a HV XLPE Cable Aged in Salt Water. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Runde, Magne; Hestad, Øystein Leif Gurandsrud; Magnusson, Niklas; Enoksen, Henrik. (2021) Assessment of the Dielectric Type Test Currently Applied on Mass-Impregnated Non-Draining HVDC Cables. CIGRE Science and Engineering
  Academic article
• Madshaven, Inge; Hestad, Øystein Leif Gurandsrud; Åstrand, Per-Olof. (2021) Cerman: Software for simulating streamer propagation in dielectric liquids based on the Townsend–Meek criterion. Computer Physics Communications
  Academic article

2020

• Lunde, Jens Fredrik; Mauseth, Frank; Hestad, Øystein Leif Gurandsrud. (2020) Electric field distribution in layered polymeric HVDC insulation. NTNU Trondheim
  Masters thesis
• Madshaven, Inge; Hestad, Øystein Leif Gurandsrud; Unge, Mikael; Hjortstam, Olof; Åstrand, Per-Olof. (2020) Photoionization model for streamer propagation mode change in simulation model for streamers in dielectric liquids. Plasma Research Express
  Academic article
• Lundgaard, Lars Esben; Linhjell, Dag; Hestad, Øystein Leif Gurandsrud; Unge, Michael; Hjortstam, Olof. (2020) 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
  Academic article
• Madshaven, Inge; Åstrand, Per-Olof; Hestad, Øystein Leif Gurandsrud. (2020) Simulating electron-avalanche-driven positive streamers in dielectric liquids. Norwegian University of Science and Technology
  Doctoral dissertation

2019

• Lesaint, Cedric Michel; Liland, Knut Brede; Hestad, Øystein Leif Gurandsrud. (2019) Chemical ageing of subsea mass impregnated insulation cable paper. SEE
  Academic chapter/article/Conference paper
• Madshaven, Inge; Hestad, Øystein Leif Gurandsrud; Unge, Mikael; Hjortstam, Olof; Åstrand, Per-Olof. (2019) Conductivity and capacitance of streamers in avalanche model for streamer propagation in dielectric liquids. Plasma Research Express
  Academic article

2018

• Madshaven, Inge; Åstrand, Per-Olof; Hestad, Øystein Leif Gurandsrud; Ingebrigtsen, Stian; Unge, Mikael; Hjortstam, Olof. (2018) Simulation model for the propagation of second mode streamers in dielectric liquids using the Townsend-Meek criterion. Journal of Physics Communications
  Academic article

2017

• Madshaven, Inge; Åstrand, Per-Olof; Hestad, Øystein Leif Gurandsrud; Unge, Mikael; Hjortstam, O.. (2017) Modeling the transition to fast mode streamers in dielectric liquids. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Hestad, Øystein Leif Gurandsrud; Linhjell, Dag; Lundgaard, Lars Esben; Samseth, Jarl Ø.; Unge, Mikael. (2017) Field dependent conductivity of n-pentane. IEEE conference proceedings
  Academic chapter/article/Conference paper

2016

• Hestad, Øystein Leif; Enoksen, Henrik; Hvidsten, Sverre. (2016) Effect of static mechanical strain on the DC conductivity of extruded cross-linked polyethylene cable insulation. SEE
  Academic chapter/article/Conference paper
• Lesaint, Cedric Michel; Risinggård, Vetle Meland; Hestad, Øystein; Hvidsten, Sverre; Glomm, Wilhelm. (2016) Self-healing composites for high voltage electrical insulation. SEE
  Academic chapter/article/Conference paper
• Madshaven, Inge; Smalø, Hans Sverre; Unge, Michael; Hestad, Øystein Leif Gurandsrud. (2016) Photoionization Model for the Transition to Fast Mode Streamers in Dielectric Liquids. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Hestad, Øystein Leif Gurandsrud; Vuong, Au-Dung; Madshaven, Inge; Åstrand, Per-Olof Harald. (2016) Thermal Decomposition of Cyclohexane by Kinetic Monte Carlo Simulations and its Relevance to Streamer Formation. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Aakre, Torstein Grav; Ve, Torbjørn; Hestad, Øystein. (2016) Conductivity and permittivity of Midel 7131 : effect of temperature, moisture content, hydrostatic pressure and electric field. IEEE transactions on dielectrics and electrical insulation
  Academic article
• Aakre, Torstein Grav; Hestad, Øystein; Hølto, Jorunn; Hvidsten, Sverre. (2016) The effect of temperature cycling on mechanical and electrical properties of syndiotactic polypropylene. IEEE conference proceedings
  Academic chapter/article/Conference paper

2015

• Gelimeri, Simone; Mazzanti, Giovanni; Mauseth, Frank; Hestad, Øystein Leif. (2015) Misure di carica de spazio e di conducibilita elettrica nel materiale semicristallino PEEK. Universita di Bologna
  Masters thesis

2014

• Lesaint, Cedric Michel; Risinggård, Vetle; Hølto, Jorunn; Sæternes, Hans Helmer; Hestad, Øystein Leif; Hvidsten, Sverre. (2014) Self-healing high voltage electrical insulation materials. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Hølto, Jorunn; Hestad, Øystein Leif. (2014) Field and Temperature Dependent Conductivity of Syndiotactic Polypropylene : Effect of temperature and electric field. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Hestad, Øystein Leif; Grav, Torstein; Lundgaard, Lars Esben; Ingebrigtsen, Stian; Unge, M.; Hjortstam, O.. (2014) Numerical simulation of positive streamer propagation in cyclohexane. Curran Associates, Inc.
  Academic chapter/article/Conference paper

2012

• Hestad, Øystein Leif; Mauseth, Frank; Kyte, Ruth Helene. (2012) Electrical conductivity of medium voltage XLPE insulated cables. IEEE conference proceedings
  Academic chapter/article/Conference paper

2011

• Smalø, Hans Sverre; Hestad, Øystein Leif; Ingebrigtsen, Stian; Åstrand, Per Olof. (2011) Field dependence on the molecular ionization potential and excitation energies compared to conductivity models for insulation materials at high electric fields. Journal of Applied Physics
  Academic article
• Hestad, Øystein Leif; Lundgaard, Lars Esben; Åstrand, Per-Olof. (2011) n-tridecane as a model system for polyethylene: comparison of pre-breakdown phenomena in liquid and solid phase stressed by a fast transient. IEEE transactions on dielectrics and electrical insulation
  Academic article
• Hestad, Øystein Leif; Smalø, Hans Sverre; Åstrand, Per-Olof; Ingebrigtsen, Stian; Lundgaard, Lars Esben. (2011) Effects of N,N-dimethylaniline and trichloroethene on prebreakdown phenomena in liquid and solid n-tridecane. IEEE transactions on dielectrics and electrical insulation
  Academic article

2010

• Hestad, Øystein Leif; Åstrand, Per-Olof; Lundgaard, Lars E.; Ildstad, Erling. (2010) Prebreakdown phenomena in solids and liquids stressed by fast transients: The effect of additives and phase. NTNU
  Doctoral dissertation
• Hestad, Øystein Leif; Lundgaard, Lars Esben; Linhjell, Dag. (2010) 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
  Academic article

2008

• Hestad, Øystein Leif Gurandsrud; Lundgaard, Lars Esben. (2008) Streamer Inception in Cyclohexane Above and Below Freezing Point. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Lundgaard, Lars Esben; Linhjell, Dag; Hestad, Øystein Leif Gurandsrud; Borlaug, Jan-Trygve. (2008) High Frequency dielectric Response of Paper/Oil Insulation. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper

2006

• Hestad, Øystein Leif; Hvidsten, Sverre. (2006) Condensation of water vapour in XLPE insulation at different cooling rates and pressures. IEEE conference proceedings
  Academic chapter/article/Conference paper

2005

• Lundgaard, Lars Esben; Hestad, Øystein Leif; Ingebrigtsen, Stian. (2005) Review of test method for dielectric properties of liquids for HV transformer application. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper
• Hestad, Øystein Leif; Ingebrigtsen, Stian; Lundgaard, Lars Esben. (2005) Streamer initiation in cyclohexane, Midel 7131 and Nytro 10X. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Linhjell, Dag; Hestad, Øystein Leif Gurandsrud; Gäfvert, U.; Lundgaard, Lars Esben. (2005) Dielectric response of oil-impregnated cellulose from 0.1 mHz to 3 MHz. IEEE conference proceedings
  Academic chapter/article/Conference paper

2004

• Hestad, Øystein Leif Gurandsrud; Berg, Gunnar; Ingebrigtsen, Stian; Liland, Knut Brede. (2004) Streamer injection and growth under impulse voltage : a comparison of cyclohexane, Midel 7131 and Nytro 10X. IEEE conference proceedings
  Academic chapter/article/Conference paper