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  1. Employees

Språkvelger

Norsk

Hans Kristian Høidalen

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Hans Kristian Høidalen

Professor
Department of electric energy
Faculty of Information Technology and Electrical Engineering

hans.hoidalen@ntnu.no
+4773594225 Elektro E/F, F-455, Gløshaugen, O.S. Bragstads plass 2
Google Scholar ATPDraw Transformatorbrukergruppen
About Publications Teaching Outreach

About

CV

Fields of interest and present research activities:

  • Computer simulations and modelling of power systems, including electrical modelling of transformers and cables and development of simulation tools; ATPDraw.
  • Power system protection and distributed generation; ProSmart , ProDig.
  • Power transformer; modeling, stresses; Norwegian transformer user group.
  • Impact of lightning on electrical power systems, including lightning induced effects and measurements of transients.

Leader of the KPN-project ProSmart, 2015-2019, "Power system protection in a smartgrid perspective". 4 PhD students, cooperation with NTNU-Telematics, Michigan Tech, SINTEF, ABB, Statnett, Eidsiva, Hafslund, Lyse, Skagerak, Statkraft.

Leader of the KPN-project ProDig, 2019-2023; "Power system protection and control in digital substations". 4 PhD students, cooperation with NTNU-Information security and Communication Technology, Michigan Tech, SINTEF, Statnett, ABB, Siemens, Eidsiva, Hafslund, Agder Energi, Skagerak, Jacobsen Elektro, NorTroll.

Teaching:

  • Overvoltages (in Norwegian) TET4130 (3rd year, spring)
  • Power system protection and control (relay protection), TET4215 (4th year, spring) 
  • Computer simulation of transisents, ELK31 (short course, 5th year, fall)
  • EMC, Elektromagnetic compatibility in railroads (in Norwegian)
    (ET6007), (Fall)

Supervision of master theses:

Supervison PhD:

  • Eilert Bjerkan; High frequency modeling of power transformers: Stresses and Diagnostics
  • Nicola Chiesa; Power Transformer Modeling for Inrush Current Calculation
  • Jorun Irene Marvik; Fault Localization in Medium Voltage Distribution Networks with Distributed Generation
  • Dung van Nguyen; Experimental Studies of Streamer Phenomena in Long Oil Gaps
  • Amir Hayati Soloot; Resonant Overvoltages in Offshore Wind Farms Analysis, modeling and measurement
  • Edris Agheb; Medium frequency high power transformers
  • Konstantin Pandakov; Improvements in protection of medium voltage resonant grounded networks with distributed sources.
  • Abbas Lotfi; Off-core magnetic flux paths in power transformers. Modeling and applications

Competencies

  • High voltage
  • Lightning
  • Over-voltage
  • Power system relaying
  • Power system transients
  • Power transformer
  • Surge arresters
  • Transformers

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Diaz, Guillermo A.; Hoidalen, Hans Kristian; Mombello, Enrique E.; Cortes, Camilo A.. (2025) Implementation of the State-Space Power Transformer Model in ATP for High Frequency Transient Studies. IEEE Transactions on Power Delivery
    Academic article

2024

  • Treider, Thomas; Hoidalen, Hans Kristian. (2024) Earth Fault Location in Non-Radial Resonant Grounded Networks – Theory, analysis and methods. Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Khalili, Mohammad; Adrah, Charles Mawutor; Hoidalen, Hans Kristian. (2024) Implementation and Testing A Robust Data-repairing Method for Protection IEDs on Process Bus. IEEE Transactions on Power Delivery
    Academic article
  • Abid, Fahim; Hoidalen, Hans Kristian; Lundgaard, Lars Esben; Enoksen, Henrik. (2024) Effect of Load Variation on Power Transformer Clamping Pressure in a Test Rig. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Sanchez Acevedo, Santiago; Zerihun, Tesfaye Amare; Khalili, Mohammad; Hoidalen, Hans Kristian; Zinner, Thomas. (2024) Line protection systems with 5G communication. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Pokhrel, Basanta Raj; Oleinikova, Irina; D'Arco, Salvatore; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian; Albert Rajaretnam, Aldrich Zeno. (2024) Advanced Digital Lab Infrastructure for the Development of Smart Power Grid. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Abid, Fahim; Hoidalen, Hans Kristian; Madshaven, Inge; Östlund, Sören. (2024) Effect of Moisture and Load Change on Clamping Pressure in a Transformer Test Rig. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Khalili, Mohammad; Rahmani, Aamir; Hoidalen, Hans Kristian; Oleinikova, Irina; Mork, Bruce Andrew Knut. (2024) Backup subscription scheme for differential protection using IEC61850-9-2 sampled values. Energy Informatics
    Academic article

2023

  • Treider, Thomas; Høidalen, Hans Kristian. (2023) Implementation and laboratory verification of method utilizing phase and neutral quantities for detection and location of low-current earth faults in resonant grounded networks. IET Generation, Transmission & Distribution
    Academic article
  • Treider, Thomas; Hoidalen, Hans Kristian. (2023) Polarity crossover regions of transient earth fault relays in non-radial resonant grounded networks. Electric power systems research
    Academic article
  • Diaz, Guillermo A.; Mombello, Enrique E.; Jhon Perez, Perez; Hoidalen, Hans Kristian. (2023) Methodology for Fast Calculation of Impedance Matrix of Power Transformers for High Frequency Transient Studies. IEEE Transactions on Power Delivery
    Academic article
  • Treider, Thomas; Hoidalen, Hans Kristian. (2023) Estimating distance to transient and restriking earth faults in high-impedance grounded, ring-operated distribution networks using current ratios . Electric power systems research
    Academic article
  • Ma, Kaiqi; Hoidalen, Hans Kristian; Chen, Zhe; Bak, Claus Leth. (2023) Improved Zone 1 Top-line Tilting Scheme for Polygonal Distance Protection in the Outgoing Line of Type-4 Wind Parks. CSEE Journal of Power and Energy Systems (JPES)
    Academic article

2022

  • Treider, Thomas; Gustavsen, Bjørn; Høidalen, Hans Kristian. (2022) Analysis of transient earth fault relays in meshed resonant grounded networks. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Khalili Katoulaei, Mohammad; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian. (2022) Testing of mixed sensor technologies in transformer differential protection. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Treider, Thomas; Gustavsen, Bjørn; Høidalen, Hans Kristian. (2022) Steady-state, iterative method for locating and clearing permanent high impedance earth faults in compensated networks. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper

2021

  • Hoidalen, Hans Kristian; Rocha, Angelica C.O.. (2021) Analysis of gray Box Modelling of Transformers. Electric power systems research
    Academic article
  • Khalili Katoulaei, Mohammad; Adrah, Charles Mawutor; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian. (2021) Testing mixed application of analog and process bus environment in transformer differential protection. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Saha, Murari Mohan; Hoidalen, Hans Kristian; Torres Olguin, Raymundo E.. (2021) A Simulation Model for Evaluation of Intersystem Fault in a Hybrid AC/DC Power System and its impact on the Protection System . IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper

2020

  • Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian. (2020) Adaptive Frequency Estimation Method for ROCOF Islanding Detection Relay. IEEE Transactions on Power Delivery
    Academic article

2019

  • Torres Olguin, Raymundo E.; Saha, Murari Mohan; Hoidalen, Hans Kristian. (2019) Analysis and evaluation of Intersystem Fault ina Hybrid AC/DC Power System and its impact on the protection System. IPST - International Conference on Power Systems Transients
    Academic article
  • Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2019) IEC 61850 Goose Managing applications in distribution network protection and automation. CIRED Conference Proceedings
    Academic article
  • Pandakov, Konstantin; Adrah, Charles Mawutor; Hoidalen, Hans Kristian; Kure, Øivind. (2019) Experimental validation of a new impedance based protection for networks with distributed generation using co-simulation test platform. IEEE Transactions on Power Delivery
    Academic article

2018

  • Gustavsen, Bjørn Alfred; Portillo, Alvaro; Hoidalen, Hans Kristian. (2018) Modelling of transformers and reactors for electromagnetic transient studies. CIGRE (Conseil international des grands réseaux électriques)
    Academic chapter/article/Conference paper
  • Liu, Zhou; Hoidalen, Hans Kristian; Saha, Murari Mohan; Popov, Marjan. (2018) Coordinated protection and control strategy with wind power integration for distribution network. The Journal of Engineering
    Academic article
  • Zirka, S.E.; Moroz, Y.I.; Elovaara, J; Lahtinen, M; Walling, RA; Hoidalen, Hans Kristian. (2018) Simplified models of three-phase, five-limb transformer for studying GIC effects. International Journal of Electrical Power & Energy Systems
    Academic article
  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Traetteberg, Sidsel. (2018) An Additional Criterion for Faulty Feeder Selection during Ground Faults in Compensated Distribution Networks. IEEE Transactions on Power Delivery
    Academic article
  • Pandakov, Konstantin; Adrah, Charles Mawutor; Liu, Zhou; Hoidalen, Hans Kristian; Kure, Øivind. (2018) Hardware-in-the-loop testing of impedance protection with compensation of fault impedance and DG infeed current. The Journal of Engineering
    Academic article
  • Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian. (2018) Real time hardware-in-the-loop comparison of frequency estimation techniques in application to ROCOF based islanding detection. IEEE Power & Energy Society General Meeting
    Academic article

2017

  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2017) Misoperation analysis of steady-state and transient methods on earth fault locating in compensated distribution networks. Sustainable Energy, Grids and Networks
    Academic article
  • Khanali, Mahdi; Soloot, Amir Hayati; Hoidalen, Hans Kristian; Jayaram, Shesha. (2017) Study on locating transformer internal faults using sweep frequency response analysis. Electric power systems research
    Academic article
  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2017) Fast protection against islanding and unwanted tripping of distributed generation caused by ground faults. IET Digital Library
    Academic chapter/article/Conference paper
  • Ramamurthy, Jayanth R.; Chiesa, Nicola; Hoidalen, Hans Kristian; Mork, Bruce Andrew Knut; Stenvig, Nils M.; Manty, Adam C.. (2017) Influence of voltage harmonics on transformer no-load loss measurements and calculation of magnetization curves. Electric power systems research
    Academic article
  • Zirka, Sergey E; Moroz, Yuriy I; Hoidalen, Hans Kristian; Lotfi, Abbas; Chiesa, Nicola; Arturi, CM. (2017) Practical Experience in Using a Topological Model of a Core-Type Three-Phase Transformer - No-Load and Inrush conditions. IEEE Transactions on Power Delivery
    Academic article

2016

  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2016) Implementation of distance relaying in distribution network with distributed generation. IET Digital Library
    Academic chapter/article/Conference paper
  • Fløystad, Jostein Bø; Pedersen, Atle; Mo, Olve; Hoidalen, Hans Kristian; Lundgaard, Lars Esben. (2016) Risk and mitigation of geomagnetically induced currents in the power system : status report. SINTEF Energi. Rapport (TR A7574)
    Report
  • Liu, Zhou; Hoidalen, Hans Kristian. (2016) An adaptive inverse time overcurrent relay model implementation for real time simulation and hardware-in-the-loop testning. IET Digital Library
    Academic chapter/article/Conference paper
  • Liu, Zhou; Hoidalen, Hans Kristian. (2016) A simple multi agent system based adaptive relay setting strategy for distribution system with wind generation integration. IET Digital Library
    Academic chapter/article/Conference paper
  • Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2016) Travelling Waves-based fault detection Method in multi-terminal HVDC grids connecting offshore Wind farms. IET Digital Library
    Academic chapter/article/Conference paper
  • Liu, Zhou; Su, Chi; Hoidalen, Hans Kristian; Chen, Zhe. (2016) A multiagent system-based protection and control scheme for distribution system with distributed-generation integration. IEEE Transactions on Power Delivery
    Academic article
  • Hoidalen, Hans Kristian; Lotfi, Abbas; Zirka, Sergey E; Moroz, Yuriy I; Chiesa, Nicola; Mork, Bruce A.. (2016) Benchmarking of hysteretic elements in topological transformer model. Electric power systems research
    Academic article
  • Lotfi, Abbas; Hoidalen, Hans Kristian; Agheb, Edris; Nysveen, Arne. (2016) Characterization of magnetic losses in the transformer tank steel. IEEE transactions on magnetics
    Academic article
  • Bahirat, Himanshu; Hoidalen, Hans Kristian; Mork, Bruce A.. (2016) Thévenin Equivalent of Voltage-Source Converters for DC Fault Studies. IEEE Transactions on Power Delivery
    Academic article
  • Lotfi, Abbas; Hoidalen, Hans Kristian; Chiesa, Nicola. (2016) Effect of DC biasing in 3-legged 3-phase transformers taking detailed model of off-core path into account. Electric power systems research
    Academic article
  • Agheb, Edris; Holtsmark, Nathalie Marie-Anna; Hoidalen, Hans Kristian; Molinas Cabrera, Maria Marta. (2016) High frequency wind energy conversion system for offshore DC collection grid—Part I: Comparative loss evaluation. Sustainable Energy, Grids and Networks
    Academic article
  • Holtsmark, Nathalie Marie-Anna; Agheb, Edris; Molinas Cabrera, Maria Marta; Hoidalen, Hans Kristian. (2016) High frequency wind energy conversion system for offshore DC collection grid — Part II: Efficiency improvements. Sustainable Energy, Grids and Networks
    Academic article
  • Bañuelos-Cabral, Eduardo Salvador; Gustavsen, Bjørn Alfred; Gutiérrez-Robles, José Alberto; Hoidalen, Hans Kristian; Naredo, José Luis. (2016) Computational efficiency improvement of the Universal Line Model by use of rational approximations with real poles. Electric power systems research
    Academic article

2015

  • Zirka, Sergey E; Moroz, Yuriy I; Chiesa, Nicola; Harrison, Robert G; Hoidalen, Hans Kristian. (2015) Implementation of Inverse Hysteresis Model into EMTP - Part I: Static Model. IEEE Transactions on Power Delivery
    Academic article
  • Zirka, Sergey E; Moroz, Yuriy I; Chiesa, Nicola; Harrison, Robert G; Hoidalen, Hans Kristian. (2015) Implementation of Inverse Hysteresis Model into EMTP - Part II: Dynamic Model. IEEE Transactions on Power Delivery
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2015) Resonant overvoltage assessment in offshore wind farms via a parametric black-box wind turbine transformer model. Wind Energy
    Academic article
  • Popov, Marjan; Grcev, Leonid; Hoidalen, Hans Kristian; Gustavsen, Bjørn Alfred; Terzija, Vladimir. (2015) Investigation of the overvoltage and fast transient phenomena on transformer terminals by taking into account the grounding effects. IEEE transactions on industry applications
    Academic article
  • Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2015) Inverse time overcurrent protection scheme for fault location in multi-terminal HVDC. IEEE Press
    Academic chapter/article/Conference paper
  • Kizilcay, M.; Høidalen, Hans Kristian. (2015) EMTP-ATP. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Myrda, Paul; Gawlik, Wolfgang; Høidalen, Hans Kristian; Bak-Jensen, Birgitte; Browne, Matthew; Calone, Roberto. (2015) Protection of Distribution System with Distributed Energy Resources. CIGRE (Conseil international des grands réseaux électriques) CIGRE (Conseil international des grands réseaux électriques)
    Report
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2015) Influence of the winding design of wind turbine transformers for resonant overvoltage vulnerability. IEEE transactions on dielectrics and electrical insulation
    Academic article

2014

  • Uglesic, I; Høidalen, Hans Kristian; Marti, JR. (2014) Papers from the 10th International Conference on Power Systems Transients (IPST). Electric power systems research
    Editorial
  • Gustavsen, Bjørn Alfred; Høidalen, Hans Kristian; Ohnstad, Trond Magne. (2014) Field measurement and simulation of electromagnetic transients on 132 kV oil-filled submarine cables. Electric power systems research
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2014) Modeling of wind turbine transformers for the analysis of resonant overvoltages. Electric power systems research
    Academic article
  • Lotfi, Abbas; Høidalen, Hans Kristian; Chiesa, Nicola; Rahimpour, Ebrahim. (2014) Calculation of Off-Core Inductance in Dual-Circuit Model of Transformer. Curran Associates, Inc.
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Linhjell, Dag; Lundgaard, Lars Esben; Høidalen, Hans Kristian; Unge, M.. (2014) Effects of spatial restriction on streamers in white oil. Curran Associates, Inc.
    Academic chapter/article/Conference paper

2013

  • Holtsmark, Nathalie; Bahirat, Himanshu; Molinas Cabrera, Maria Marta ; Mork, BA; Høidalen, Hans Kristian. (2013) An All-DC Offshore Wind Farm With Series-Connected Turbines: An Alternative to the Classical Parallel AC Model?. IEEE transactions on industrial electronics (1982. Print)
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Internal Resonant Overvoltage in Wind Turbine Transformers- Sensitivity Analysis of Measurement Techniques. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Streamer Propagation in a Long Gap in Model Liquids. Akademika forlag
    Academic chapter/article/Conference paper
  • Høidalen, Hans Kristian. (2013) Analysis of Pipe-Type Cable Impedance Formulations at Low Frequencies. IEEE Transactions on Power Delivery
    Academic article
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Effects of reduced pressure and additives on streamers in white oil in long point-plane gap. Journal of Physics D: Applied Physics
    Academic article
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Influence of impurities and additives on negative streamers in paraffinic model oil. IEEE transactions on dielectrics and electrical insulation
    Academic article
  • Agheb, Edris; Høidalen, Hans Kristian. (2013) Modification of empirical core loss calculation methods including flux distribution. IET Electric Power Applications
    Academic article
  • Soloot, Amir Hayati; Bahirat, Himanshu J; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred; Mork, Bruce A.. (2013) Investigation of Resonant Overvoltages in Offshore Wind Farms- Modeling and Protection.
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Modeling of Wind Turbine Transformers for the Analysis of Resonant Overvoltages.
    Popular scientific chapter/article

2012

  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2012) The Assessment of Overvoltage Protection Within Energization of Offshore Wind Farms. Energy Procedia
    Academic article
  • Zirka, S.E.; Moroz, Y.I.; Arturi, CM; Chiesa, Nicola; Høidalen, Hans Kristian. (2012) Topology-Correct Reversible Transformer Model. IEEE Transactions on Power Delivery
    Academic article
  • Bahmani, Mohammad amin; Agheb, Edris; Thiringer, Torbjörn; Høidalen, Hans Kristian; SERDYUK, YURIY. (2012) Core loss behavior in high frequency high power transformers-I: Effect of core topology. Journal of Renewable and Sustainable Energy
    Academic article
  • Agheb, Edris; Bahmani, Mohammad amin; Høidalen, Hans Kristian; Thiringer, Torbjörn. (2012) Core loss behavior in high frequency high power transformers-II: Arbitrary excitation. Journal of Renewable and Sustainable Energy
    Academic article
  • Agheb, Edris; Hashemi, E.; Mousavi, Seyed Ali; Høidalen, Hans Kristian. (2012) Study of very fast transient overvoltages in air-cored pulsed transformers. Compel
    Academic article
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2012) Influence of impurities and additives on positive streamers in paraffinic model oil. IEEE transactions on dielectrics and electrical insulation
    Academic article
  • Bahirat, Himanshu; Kjølle, Gerd Hovin; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Reliability assessment of DC wind farms. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Bahirat, Himanshu; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Comparison of wind farm topologies for offshore applications. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, M.. (2012) A Study on Positive Streamer Channels in Marcol Oil. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2012) The effect of winding design on transformer frequency response with application on offshore wind farm energization. IEEE conference proceedings
    Academic chapter/article/Conference paper

2011

  • Avendaño, A; Mork, Bruce A.; Høidalen, Hans Kristian. (2011) Transformer Internal Fault Modeling in ATP.
    Academic chapter/article/Conference paper
  • Høidalen, Hans Kristian; Chiesa, Nicola; Avendaño, A; Mork, Bruce A.. (2011) Developments in the hybrid transformer model - Core modeling and optimization.
    Academic chapter/article/Conference paper
  • Høidalen, Hans Kristian. (2011) Universal machine modeling in ATPDraw - Embedded Windsyn. Proc EMTP, User Group meeting
    Report
  • Marvik, Jorun Irene; Høidalen, Hans Kristian. (2011) Fault Localization in Medium Voltage Distribution Networks with Distributed Generation. NTNU-trykk
    Doctoral dissertation
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2011) A study of switching overvoltages in offshore wind farm. VDE Verlag GmbH
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2011) Frequency Domain Investigation of Switching Transients in Offshore Wind Farms. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Mauseth, Frank; Høidalen, Hans Kristian; Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben. (2011) Streamers in large paraffinic oil gap. Proceedings of IEEE International Conference on Dielectric Liquids
    Academic article

2010

  • Agheb, Edris; Soloot, Amir Hayati; Høidalen, Hans Kristian. (2010) Performance Optimization of the Air-cored Pulsed Transformers.
    Academic chapter/article/Conference paper
  • Agheb, Edris; Hashemi, E.; Mousavi, A.; Høidalen, Hans Kristian. (2010) Study of Very Fast Transient Overvoltages and Electric Field Stresses in Air-cored Pulsed Transformers Based on FDTD.
    Academic chapter/article/Conference paper
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2010) Novel Approach for Reducing Transformer Inrush Currents: Laboratory Measurements, Analytical Interpretation and Simulation Studies. IEEE Transactions on Power Delivery
    Academic article
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2010) Analytical Algorithm for the Calculation of Magnetization and Loss Curves of Delta-Connected Transformers. IEEE Transactions on Power Delivery
    Academic article
  • Chiesa, Nicola; Mork, Bruce A.; Høidalen, Hans Kristian. (2010) Transformer Model for Inrush Current Calculations: Simulations, Measurements and Sensitivity Analysis. IEEE Transactions on Power Delivery
    Academic article
  • Soloot, Amir Hayati; Jadidian, Jouya; Agheb, Edris; Høidalen, Hans Kristian. (2010) Two Dimensional Simulation of Post Arc Phenomenon in Vacuum Interrupter with Axial Magnetic Field Contacts. International Symposium on Discharges and Electrical Insulation in Vacuum. Proceedings
    Academic article
  • Soloot, Amir Hayati; Agheb, Edris; Jadidian, Jouya; Høidalen, Hans Kristian. (2010) The Peculiarities of Transient Recovery Voltage in Presence of Post Arc Current in Vacuum Circuit Breakers. International Symposium on Discharges and Electrical Insulation in Vacuum. Proceedings
    Academic article

2009

  • Høidalen, Hans Kristian; Mork, BA; Gonzalez, F; Ishchenko, D; Chiesa, Nicola. (2009) Implementation and verification of the Hybrid Transformer model in ATPDraw. Electric power systems research
    Academic article

2008

  • Chiesa, Nicola; Høidalen, Hans Kristian. (2008) Hysteretic iron-core inductor for tranformer inrush current modeling in EMTP.
    Academic chapter/article/Conference paper

2007

  • Høidalen, Hans Kristian. (2007) New Developments in ATPDraw version 5. European EMTP-ATP Conference
    Report
  • Marvik, Jorun Irene; Petterteig, Astrid; Høidalen, Hans Kristian. (2007) Analysis of Fault Detection and Location in Medium Voltage Radial Networks with Distributed Generation. Power Technology and Engineering
    Academic article
  • Høidalen, Hans Kristian; Bjerkan, Eilert; Hernes, Johan G.. (2007) Reliable detection of downed and broken conductors. IEE Conference Publication
    Academic article
  • Høidalen, Hans Kristian. (2007) High Frequency (HF) apparatus response - An introduction. Workshop on Variable Frequency Diagnostics Dielectric response andn FRA
    Report
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2007) Modeling of nonlinear and hysteretic iron-core inductors in ATP. European EMPT-ATP Conference
    Report
  • Chiesa, Nicola; Avendaño, A; Høidalen, Hans Kristian; Mork, Bruce A.; Ishchenko, Dmitry; Kunze, A. P.. (2007) On the ringdown transient of transformers. International Conference on Power Systems Transients IPST
    Report
  • Høidalen, Hans Kristian; Mork, Bruce A.; Gonzalez, Francisco; Ishchenko, Dmitry; Chiesa, Nicola. (2007) Implementation and verification of the Hybrid Transformer model in ATPDraw. International Conference on Power Systems Transients, IPST'07
    Report
  • Chiesa, Nicola; Høidalen, Hans Kristian; Mork, Bruce A.; Ishchenko, Dmitry; Kunze, A. P.. (2007) On the ringdown transient of transformers. International Conference on Power Systems Transients IPST'07
    Report
  • Chiesa, Nicola; Avendaño, Alejandro; Mork, Bruce A.; Høidalen, Hans Kristian; Ishchenko, Dmitry; Gonzalez, Francisco. (2007) Transformer Short-Circuit Representation: Investigation of Phase-To-Phase Coupling. International Conference on Power Systems Transients, IPST
    Report
  • Bjerkan, Eilert; Høidalen, Hans Kristian. (2007) High frequency FEM-based power transformer modeling: Investigation of internal stresses due to network-initiated overvoltages. Electric power systems research
    Academic article

2005

  • Høidalen, Hans Kristian; Runde, Magne. (2005) Continuous Monitoring of Circuit Breaker Using Vibration Analysis. IEEE Transactions on Power Delivery
    Academic article
  • Bjerkan, Eilert; Hestad, Øystein; Høidalen, Hans Kristian. (2005) High Frequency Characterization of Impregnated Pressboard and its applicability to High Frequency Power Transformer Modelling and FRA. Tapir Akademisk Forlag
    Academic chapter/article/Conference paper

2003

  • Høidalen, Hans Kristian. (2003) Analytical formulation of lightning-induced voltages on multiconductor overhead lines above lossy ground. IEEE transactions on electromagnetic compatibility (Print)
    Academic article

1997

  • Høidalen, Hans Kristian; Sletbak, Jarle; Henriksen, Thor. (1997) Ground effects on induced voltages from nearby lightning. IEEE transactions on electromagnetic compatibility (Print)
    Academic article
  • Høidalen, Hans Kristian. (1997) Ligntning-induced overvoltages in low-voltage systems. Doktor ingeniøravhandling (1997:13)
    Doctoral dissertation

1995

  • Brede, Arne Petter; Hoidalen, Hans Kristian; Pleym, Anngjerd; Rørvik, Ove; Seljeseth, Herlof. (1995) Underlag for beregninger og målinger på jordelektroder i forskjellige elkraftanlegg. Teknisk rapport / SINTEF energiforskning (TR A4254)
    Report

1994

  • Brede, Arne Petter; Hoidalen, Hans Kristian; Rørvik, Ove; Seljeseth, Herlof. (1994) Jordingsarrangement i elkraftanlegg. SINTEF Energiforskning A/S. Rapport. (TR A4185)
    Report

Journal publications

  • Diaz, Guillermo A.; Hoidalen, Hans Kristian; Mombello, Enrique E.; Cortes, Camilo A.. (2025) Implementation of the State-Space Power Transformer Model in ATP for High Frequency Transient Studies. IEEE Transactions on Power Delivery
    Academic article
  • Khalili, Mohammad; Adrah, Charles Mawutor; Hoidalen, Hans Kristian. (2024) Implementation and Testing A Robust Data-repairing Method for Protection IEDs on Process Bus. IEEE Transactions on Power Delivery
    Academic article
  • Khalili, Mohammad; Rahmani, Aamir; Hoidalen, Hans Kristian; Oleinikova, Irina; Mork, Bruce Andrew Knut. (2024) Backup subscription scheme for differential protection using IEC61850-9-2 sampled values. Energy Informatics
    Academic article
  • Treider, Thomas; Høidalen, Hans Kristian. (2023) Implementation and laboratory verification of method utilizing phase and neutral quantities for detection and location of low-current earth faults in resonant grounded networks. IET Generation, Transmission & Distribution
    Academic article
  • Treider, Thomas; Hoidalen, Hans Kristian. (2023) Polarity crossover regions of transient earth fault relays in non-radial resonant grounded networks. Electric power systems research
    Academic article
  • Diaz, Guillermo A.; Mombello, Enrique E.; Jhon Perez, Perez; Hoidalen, Hans Kristian. (2023) Methodology for Fast Calculation of Impedance Matrix of Power Transformers for High Frequency Transient Studies. IEEE Transactions on Power Delivery
    Academic article
  • Treider, Thomas; Hoidalen, Hans Kristian. (2023) Estimating distance to transient and restriking earth faults in high-impedance grounded, ring-operated distribution networks using current ratios . Electric power systems research
    Academic article
  • Ma, Kaiqi; Hoidalen, Hans Kristian; Chen, Zhe; Bak, Claus Leth. (2023) Improved Zone 1 Top-line Tilting Scheme for Polygonal Distance Protection in the Outgoing Line of Type-4 Wind Parks. CSEE Journal of Power and Energy Systems (JPES)
    Academic article
  • Hoidalen, Hans Kristian; Rocha, Angelica C.O.. (2021) Analysis of gray Box Modelling of Transformers. Electric power systems research
    Academic article
  • Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian. (2020) Adaptive Frequency Estimation Method for ROCOF Islanding Detection Relay. IEEE Transactions on Power Delivery
    Academic article
  • Torres Olguin, Raymundo E.; Saha, Murari Mohan; Hoidalen, Hans Kristian. (2019) Analysis and evaluation of Intersystem Fault ina Hybrid AC/DC Power System and its impact on the protection System. IPST - International Conference on Power Systems Transients
    Academic article
  • Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2019) IEC 61850 Goose Managing applications in distribution network protection and automation. CIRED Conference Proceedings
    Academic article
  • Pandakov, Konstantin; Adrah, Charles Mawutor; Hoidalen, Hans Kristian; Kure, Øivind. (2019) Experimental validation of a new impedance based protection for networks with distributed generation using co-simulation test platform. IEEE Transactions on Power Delivery
    Academic article
  • Liu, Zhou; Hoidalen, Hans Kristian; Saha, Murari Mohan; Popov, Marjan. (2018) Coordinated protection and control strategy with wind power integration for distribution network. The Journal of Engineering
    Academic article
  • Zirka, S.E.; Moroz, Y.I.; Elovaara, J; Lahtinen, M; Walling, RA; Hoidalen, Hans Kristian. (2018) Simplified models of three-phase, five-limb transformer for studying GIC effects. International Journal of Electrical Power & Energy Systems
    Academic article
  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Traetteberg, Sidsel. (2018) An Additional Criterion for Faulty Feeder Selection during Ground Faults in Compensated Distribution Networks. IEEE Transactions on Power Delivery
    Academic article
  • Pandakov, Konstantin; Adrah, Charles Mawutor; Liu, Zhou; Hoidalen, Hans Kristian; Kure, Øivind. (2018) Hardware-in-the-loop testing of impedance protection with compensation of fault impedance and DG infeed current. The Journal of Engineering
    Academic article
  • Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian. (2018) Real time hardware-in-the-loop comparison of frequency estimation techniques in application to ROCOF based islanding detection. IEEE Power & Energy Society General Meeting
    Academic article
  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2017) Misoperation analysis of steady-state and transient methods on earth fault locating in compensated distribution networks. Sustainable Energy, Grids and Networks
    Academic article
  • Khanali, Mahdi; Soloot, Amir Hayati; Hoidalen, Hans Kristian; Jayaram, Shesha. (2017) Study on locating transformer internal faults using sweep frequency response analysis. Electric power systems research
    Academic article
  • Ramamurthy, Jayanth R.; Chiesa, Nicola; Hoidalen, Hans Kristian; Mork, Bruce Andrew Knut; Stenvig, Nils M.; Manty, Adam C.. (2017) Influence of voltage harmonics on transformer no-load loss measurements and calculation of magnetization curves. Electric power systems research
    Academic article
  • Zirka, Sergey E; Moroz, Yuriy I; Hoidalen, Hans Kristian; Lotfi, Abbas; Chiesa, Nicola; Arturi, CM. (2017) Practical Experience in Using a Topological Model of a Core-Type Three-Phase Transformer - No-Load and Inrush conditions. IEEE Transactions on Power Delivery
    Academic article
  • Liu, Zhou; Su, Chi; Hoidalen, Hans Kristian; Chen, Zhe. (2016) A multiagent system-based protection and control scheme for distribution system with distributed-generation integration. IEEE Transactions on Power Delivery
    Academic article
  • Hoidalen, Hans Kristian; Lotfi, Abbas; Zirka, Sergey E; Moroz, Yuriy I; Chiesa, Nicola; Mork, Bruce A.. (2016) Benchmarking of hysteretic elements in topological transformer model. Electric power systems research
    Academic article
  • Lotfi, Abbas; Hoidalen, Hans Kristian; Agheb, Edris; Nysveen, Arne. (2016) Characterization of magnetic losses in the transformer tank steel. IEEE transactions on magnetics
    Academic article
  • Bahirat, Himanshu; Hoidalen, Hans Kristian; Mork, Bruce A.. (2016) Thévenin Equivalent of Voltage-Source Converters for DC Fault Studies. IEEE Transactions on Power Delivery
    Academic article
  • Lotfi, Abbas; Hoidalen, Hans Kristian; Chiesa, Nicola. (2016) Effect of DC biasing in 3-legged 3-phase transformers taking detailed model of off-core path into account. Electric power systems research
    Academic article
  • Agheb, Edris; Holtsmark, Nathalie Marie-Anna; Hoidalen, Hans Kristian; Molinas Cabrera, Maria Marta. (2016) High frequency wind energy conversion system for offshore DC collection grid—Part I: Comparative loss evaluation. Sustainable Energy, Grids and Networks
    Academic article
  • Holtsmark, Nathalie Marie-Anna; Agheb, Edris; Molinas Cabrera, Maria Marta; Hoidalen, Hans Kristian. (2016) High frequency wind energy conversion system for offshore DC collection grid — Part II: Efficiency improvements. Sustainable Energy, Grids and Networks
    Academic article
  • Bañuelos-Cabral, Eduardo Salvador; Gustavsen, Bjørn Alfred; Gutiérrez-Robles, José Alberto; Hoidalen, Hans Kristian; Naredo, José Luis. (2016) Computational efficiency improvement of the Universal Line Model by use of rational approximations with real poles. Electric power systems research
    Academic article
  • Zirka, Sergey E; Moroz, Yuriy I; Chiesa, Nicola; Harrison, Robert G; Hoidalen, Hans Kristian. (2015) Implementation of Inverse Hysteresis Model into EMTP - Part I: Static Model. IEEE Transactions on Power Delivery
    Academic article
  • Zirka, Sergey E; Moroz, Yuriy I; Chiesa, Nicola; Harrison, Robert G; Hoidalen, Hans Kristian. (2015) Implementation of Inverse Hysteresis Model into EMTP - Part II: Dynamic Model. IEEE Transactions on Power Delivery
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2015) Resonant overvoltage assessment in offshore wind farms via a parametric black-box wind turbine transformer model. Wind Energy
    Academic article
  • Popov, Marjan; Grcev, Leonid; Hoidalen, Hans Kristian; Gustavsen, Bjørn Alfred; Terzija, Vladimir. (2015) Investigation of the overvoltage and fast transient phenomena on transformer terminals by taking into account the grounding effects. IEEE transactions on industry applications
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2015) Influence of the winding design of wind turbine transformers for resonant overvoltage vulnerability. IEEE transactions on dielectrics and electrical insulation
    Academic article
  • Uglesic, I; Høidalen, Hans Kristian; Marti, JR. (2014) Papers from the 10th International Conference on Power Systems Transients (IPST). Electric power systems research
    Editorial
  • Gustavsen, Bjørn Alfred; Høidalen, Hans Kristian; Ohnstad, Trond Magne. (2014) Field measurement and simulation of electromagnetic transients on 132 kV oil-filled submarine cables. Electric power systems research
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2014) Modeling of wind turbine transformers for the analysis of resonant overvoltages. Electric power systems research
    Academic article
  • Holtsmark, Nathalie; Bahirat, Himanshu; Molinas Cabrera, Maria Marta ; Mork, BA; Høidalen, Hans Kristian. (2013) An All-DC Offshore Wind Farm With Series-Connected Turbines: An Alternative to the Classical Parallel AC Model?. IEEE transactions on industrial electronics (1982. Print)
    Academic article
  • Høidalen, Hans Kristian. (2013) Analysis of Pipe-Type Cable Impedance Formulations at Low Frequencies. IEEE Transactions on Power Delivery
    Academic article
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Effects of reduced pressure and additives on streamers in white oil in long point-plane gap. Journal of Physics D: Applied Physics
    Academic article
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Influence of impurities and additives on negative streamers in paraffinic model oil. IEEE transactions on dielectrics and electrical insulation
    Academic article
  • Agheb, Edris; Høidalen, Hans Kristian. (2013) Modification of empirical core loss calculation methods including flux distribution. IET Electric Power Applications
    Academic article
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2012) The Assessment of Overvoltage Protection Within Energization of Offshore Wind Farms. Energy Procedia
    Academic article
  • Zirka, S.E.; Moroz, Y.I.; Arturi, CM; Chiesa, Nicola; Høidalen, Hans Kristian. (2012) Topology-Correct Reversible Transformer Model. IEEE Transactions on Power Delivery
    Academic article
  • Bahmani, Mohammad amin; Agheb, Edris; Thiringer, Torbjörn; Høidalen, Hans Kristian; SERDYUK, YURIY. (2012) Core loss behavior in high frequency high power transformers-I: Effect of core topology. Journal of Renewable and Sustainable Energy
    Academic article
  • Agheb, Edris; Bahmani, Mohammad amin; Høidalen, Hans Kristian; Thiringer, Torbjörn. (2012) Core loss behavior in high frequency high power transformers-II: Arbitrary excitation. Journal of Renewable and Sustainable Energy
    Academic article
  • Agheb, Edris; Hashemi, E.; Mousavi, Seyed Ali; Høidalen, Hans Kristian. (2012) Study of very fast transient overvoltages in air-cored pulsed transformers. Compel
    Academic article
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2012) Influence of impurities and additives on positive streamers in paraffinic model oil. IEEE transactions on dielectrics and electrical insulation
    Academic article
  • Nguyen, Dung Van; Mauseth, Frank; Høidalen, Hans Kristian; Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben. (2011) Streamers in large paraffinic oil gap. Proceedings of IEEE International Conference on Dielectric Liquids
    Academic article
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2010) Novel Approach for Reducing Transformer Inrush Currents: Laboratory Measurements, Analytical Interpretation and Simulation Studies. IEEE Transactions on Power Delivery
    Academic article
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2010) Analytical Algorithm for the Calculation of Magnetization and Loss Curves of Delta-Connected Transformers. IEEE Transactions on Power Delivery
    Academic article
  • Chiesa, Nicola; Mork, Bruce A.; Høidalen, Hans Kristian. (2010) Transformer Model for Inrush Current Calculations: Simulations, Measurements and Sensitivity Analysis. IEEE Transactions on Power Delivery
    Academic article
  • Soloot, Amir Hayati; Jadidian, Jouya; Agheb, Edris; Høidalen, Hans Kristian. (2010) Two Dimensional Simulation of Post Arc Phenomenon in Vacuum Interrupter with Axial Magnetic Field Contacts. International Symposium on Discharges and Electrical Insulation in Vacuum. Proceedings
    Academic article
  • Soloot, Amir Hayati; Agheb, Edris; Jadidian, Jouya; Høidalen, Hans Kristian. (2010) The Peculiarities of Transient Recovery Voltage in Presence of Post Arc Current in Vacuum Circuit Breakers. International Symposium on Discharges and Electrical Insulation in Vacuum. Proceedings
    Academic article
  • Høidalen, Hans Kristian; Mork, BA; Gonzalez, F; Ishchenko, D; Chiesa, Nicola. (2009) Implementation and verification of the Hybrid Transformer model in ATPDraw. Electric power systems research
    Academic article
  • Marvik, Jorun Irene; Petterteig, Astrid; Høidalen, Hans Kristian. (2007) Analysis of Fault Detection and Location in Medium Voltage Radial Networks with Distributed Generation. Power Technology and Engineering
    Academic article
  • Høidalen, Hans Kristian; Bjerkan, Eilert; Hernes, Johan G.. (2007) Reliable detection of downed and broken conductors. IEE Conference Publication
    Academic article
  • Bjerkan, Eilert; Høidalen, Hans Kristian. (2007) High frequency FEM-based power transformer modeling: Investigation of internal stresses due to network-initiated overvoltages. Electric power systems research
    Academic article
  • Høidalen, Hans Kristian; Runde, Magne. (2005) Continuous Monitoring of Circuit Breaker Using Vibration Analysis. IEEE Transactions on Power Delivery
    Academic article
  • Høidalen, Hans Kristian. (2003) Analytical formulation of lightning-induced voltages on multiconductor overhead lines above lossy ground. IEEE transactions on electromagnetic compatibility (Print)
    Academic article
  • Høidalen, Hans Kristian; Sletbak, Jarle; Henriksen, Thor. (1997) Ground effects on induced voltages from nearby lightning. IEEE transactions on electromagnetic compatibility (Print)
    Academic article

Part of book/report

  • Abid, Fahim; Hoidalen, Hans Kristian; Lundgaard, Lars Esben; Enoksen, Henrik. (2024) Effect of Load Variation on Power Transformer Clamping Pressure in a Test Rig. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Sanchez Acevedo, Santiago; Zerihun, Tesfaye Amare; Khalili, Mohammad; Hoidalen, Hans Kristian; Zinner, Thomas. (2024) Line protection systems with 5G communication. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Pokhrel, Basanta Raj; Oleinikova, Irina; D'Arco, Salvatore; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian; Albert Rajaretnam, Aldrich Zeno. (2024) Advanced Digital Lab Infrastructure for the Development of Smart Power Grid. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Abid, Fahim; Hoidalen, Hans Kristian; Madshaven, Inge; Östlund, Sören. (2024) Effect of Moisture and Load Change on Clamping Pressure in a Transformer Test Rig. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Treider, Thomas; Gustavsen, Bjørn; Høidalen, Hans Kristian. (2022) Analysis of transient earth fault relays in meshed resonant grounded networks. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Khalili Katoulaei, Mohammad; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian. (2022) Testing of mixed sensor technologies in transformer differential protection. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Treider, Thomas; Gustavsen, Bjørn; Høidalen, Hans Kristian. (2022) Steady-state, iterative method for locating and clearing permanent high impedance earth faults in compensated networks. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Khalili Katoulaei, Mohammad; Adrah, Charles Mawutor; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian. (2021) Testing mixed application of analog and process bus environment in transformer differential protection. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Saha, Murari Mohan; Hoidalen, Hans Kristian; Torres Olguin, Raymundo E.. (2021) A Simulation Model for Evaluation of Intersystem Fault in a Hybrid AC/DC Power System and its impact on the Protection System . IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Gustavsen, Bjørn Alfred; Portillo, Alvaro; Hoidalen, Hans Kristian. (2018) Modelling of transformers and reactors for electromagnetic transient studies. CIGRE (Conseil international des grands réseaux électriques)
    Academic chapter/article/Conference paper
  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2017) Fast protection against islanding and unwanted tripping of distributed generation caused by ground faults. IET Digital Library
    Academic chapter/article/Conference paper
  • Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2016) Implementation of distance relaying in distribution network with distributed generation. IET Digital Library
    Academic chapter/article/Conference paper
  • Liu, Zhou; Hoidalen, Hans Kristian. (2016) An adaptive inverse time overcurrent relay model implementation for real time simulation and hardware-in-the-loop testning. IET Digital Library
    Academic chapter/article/Conference paper
  • Liu, Zhou; Hoidalen, Hans Kristian. (2016) A simple multi agent system based adaptive relay setting strategy for distribution system with wind generation integration. IET Digital Library
    Academic chapter/article/Conference paper
  • Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2016) Travelling Waves-based fault detection Method in multi-terminal HVDC grids connecting offshore Wind farms. IET Digital Library
    Academic chapter/article/Conference paper
  • Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2015) Inverse time overcurrent protection scheme for fault location in multi-terminal HVDC. IEEE Press
    Academic chapter/article/Conference paper
  • Kizilcay, M.; Høidalen, Hans Kristian. (2015) EMTP-ATP. Institution of Engineering and Technology (IET)
    Academic chapter/article/Conference paper
  • Lotfi, Abbas; Høidalen, Hans Kristian; Chiesa, Nicola; Rahimpour, Ebrahim. (2014) Calculation of Off-Core Inductance in Dual-Circuit Model of Transformer. Curran Associates, Inc.
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Linhjell, Dag; Lundgaard, Lars Esben; Høidalen, Hans Kristian; Unge, M.. (2014) Effects of spatial restriction on streamers in white oil. Curran Associates, Inc.
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Internal Resonant Overvoltage in Wind Turbine Transformers- Sensitivity Analysis of Measurement Techniques. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Streamer Propagation in a Long Gap in Model Liquids. Akademika forlag
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Bahirat, Himanshu J; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred; Mork, Bruce A.. (2013) Investigation of Resonant Overvoltages in Offshore Wind Farms- Modeling and Protection.
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Modeling of Wind Turbine Transformers for the Analysis of Resonant Overvoltages.
    Popular scientific chapter/article
  • Bahirat, Himanshu; Kjølle, Gerd Hovin; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Reliability assessment of DC wind farms. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Bahirat, Himanshu; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Comparison of wind farm topologies for offshore applications. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, M.. (2012) A Study on Positive Streamer Channels in Marcol Oil. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2012) The effect of winding design on transformer frequency response with application on offshore wind farm energization. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Avendaño, A; Mork, Bruce A.; Høidalen, Hans Kristian. (2011) Transformer Internal Fault Modeling in ATP.
    Academic chapter/article/Conference paper
  • Høidalen, Hans Kristian; Chiesa, Nicola; Avendaño, A; Mork, Bruce A.. (2011) Developments in the hybrid transformer model - Core modeling and optimization.
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2011) A study of switching overvoltages in offshore wind farm. VDE Verlag GmbH
    Academic chapter/article/Conference paper
  • Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2011) Frequency Domain Investigation of Switching Transients in Offshore Wind Farms. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Agheb, Edris; Soloot, Amir Hayati; Høidalen, Hans Kristian. (2010) Performance Optimization of the Air-cored Pulsed Transformers.
    Academic chapter/article/Conference paper
  • Agheb, Edris; Hashemi, E.; Mousavi, A.; Høidalen, Hans Kristian. (2010) Study of Very Fast Transient Overvoltages and Electric Field Stresses in Air-cored Pulsed Transformers Based on FDTD.
    Academic chapter/article/Conference paper
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2008) Hysteretic iron-core inductor for tranformer inrush current modeling in EMTP.
    Academic chapter/article/Conference paper
  • Bjerkan, Eilert; Hestad, Øystein; Høidalen, Hans Kristian. (2005) High Frequency Characterization of Impregnated Pressboard and its applicability to High Frequency Power Transformer Modelling and FRA. Tapir Akademisk Forlag
    Academic chapter/article/Conference paper

Report

  • Treider, Thomas; Hoidalen, Hans Kristian. (2024) Earth Fault Location in Non-Radial Resonant Grounded Networks – Theory, analysis and methods. Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Fløystad, Jostein Bø; Pedersen, Atle; Mo, Olve; Hoidalen, Hans Kristian; Lundgaard, Lars Esben. (2016) Risk and mitigation of geomagnetically induced currents in the power system : status report. SINTEF Energi. Rapport (TR A7574)
    Report
  • Myrda, Paul; Gawlik, Wolfgang; Høidalen, Hans Kristian; Bak-Jensen, Birgitte; Browne, Matthew; Calone, Roberto. (2015) Protection of Distribution System with Distributed Energy Resources. CIGRE (Conseil international des grands réseaux électriques) CIGRE (Conseil international des grands réseaux électriques)
    Report
  • Høidalen, Hans Kristian. (2011) Universal machine modeling in ATPDraw - Embedded Windsyn. Proc EMTP, User Group meeting
    Report
  • Marvik, Jorun Irene; Høidalen, Hans Kristian. (2011) Fault Localization in Medium Voltage Distribution Networks with Distributed Generation. NTNU-trykk
    Doctoral dissertation
  • Høidalen, Hans Kristian. (2007) New Developments in ATPDraw version 5. European EMTP-ATP Conference
    Report
  • Høidalen, Hans Kristian. (2007) High Frequency (HF) apparatus response - An introduction. Workshop on Variable Frequency Diagnostics Dielectric response andn FRA
    Report
  • Chiesa, Nicola; Høidalen, Hans Kristian. (2007) Modeling of nonlinear and hysteretic iron-core inductors in ATP. European EMPT-ATP Conference
    Report
  • Chiesa, Nicola; Avendaño, A; Høidalen, Hans Kristian; Mork, Bruce A.; Ishchenko, Dmitry; Kunze, A. P.. (2007) On the ringdown transient of transformers. International Conference on Power Systems Transients IPST
    Report
  • Høidalen, Hans Kristian; Mork, Bruce A.; Gonzalez, Francisco; Ishchenko, Dmitry; Chiesa, Nicola. (2007) Implementation and verification of the Hybrid Transformer model in ATPDraw. International Conference on Power Systems Transients, IPST'07
    Report
  • Chiesa, Nicola; Høidalen, Hans Kristian; Mork, Bruce A.; Ishchenko, Dmitry; Kunze, A. P.. (2007) On the ringdown transient of transformers. International Conference on Power Systems Transients IPST'07
    Report
  • Chiesa, Nicola; Avendaño, Alejandro; Mork, Bruce A.; Høidalen, Hans Kristian; Ishchenko, Dmitry; Gonzalez, Francisco. (2007) Transformer Short-Circuit Representation: Investigation of Phase-To-Phase Coupling. International Conference on Power Systems Transients, IPST
    Report
  • Høidalen, Hans Kristian. (1997) Ligntning-induced overvoltages in low-voltage systems. Doktor ingeniøravhandling (1997:13)
    Doctoral dissertation
  • Brede, Arne Petter; Hoidalen, Hans Kristian; Pleym, Anngjerd; Rørvik, Ove; Seljeseth, Herlof. (1995) Underlag for beregninger og målinger på jordelektroder i forskjellige elkraftanlegg. Teknisk rapport / SINTEF energiforskning (TR A4254)
    Report
  • Brede, Arne Petter; Hoidalen, Hans Kristian; Rørvik, Ove; Seljeseth, Herlof. (1994) Jordingsarrangement i elkraftanlegg. SINTEF Energiforskning A/S. Rapport. (TR A4185)
    Report

Teaching

Courses

  • ET8101 - Overspenningsberegninger i kraftnett
  • TET4215 - Vern og kontrollanlegg i kraftsystemet
  • ET6202 - Vern og overvåking i distribusjonsnett

Outreach

2024

  • Popular scientific lecture
    Pokhrel, Basanta Raj; Oleinikova, Irina; D'Arco, Salvatore; Sanchez, Santiago; Hoidalen, Hans Kristian; Zeno, Aldrich. (2024) Advanced digital lab infrastructure for the development of smart power grid. Cardiff University UPEC 2024 , Cardiff, Wales, U.K. 2024-09-02 - 2024-09-06
  • Academic lecture
    Syed, Rizwan Rafique; Hoidalen, Hans Kristian. (2024) Dependability and performance analysis of redundant DSAS architectures using FEH and MRM. IET 17th International Conference on Developments in Power System Protection (DPSP 2024) , Manchester 2024-03-04 - 2024-03-07

2023

  • Academic lecture
    Syed, Rizwan Rafique; Hoidalen, Hans Kristian. (2023) A Review on Reliability Analysis: Approaches and Tools for Digital Substation. FES (Future Energy Solution) Conference 2023 , Vaasa 2023-06-12 - 2023-06-14

2017

  • Academic lecture
    Adrah, Charles Mawutor; Kure, Øivind; Liu, Zhou; Hoidalen, Hans Kristian. (2017) Communication network modeling for real-time HIL power system protection test bench. IEEE PES PES Power Africa 2017 , Accra 2017-06-27 - 2017-06-30

2015

  • Academic lecture
    Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2015) Inverse time overcurrent protection scheme for fault location in multi-terminal HVDC. IEEE PowerTech, 2015 IEEE Eindhoven 2015-06-29 - 2015-07-02
  • Lecture
    Lotfi, Abbas; Høidalen, Hans Kristian; Chiesa, Nicola. (2015) Effect of DC biasing in 3-legged 3-phase transformers taking off-core path into account. University of Zagreb International Conference on Power System Transient , Dubrovnik 2015-06-15 - 2015-06-18

2013

  • Popular scientific lecture
    Hayati Soloot, Amir; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Upon the improvement of the winding design of wind turbine transformers for safer performance within resonance overvoltages. Norwegian Research Center of Offshore Wind Farm(NOWITECH) 2013-01-24 - 2013-01-25
  • Academic lecture
    Soloot, Amir Hayati; Bahirat, Himanshu J; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred; Mork, Bruce A.. (2013) Investigation of Resonant Overvoltages in Offshore Wind Farms- Modeling and Protection. University of British Columbia International Power System transients , Vancouver 2013-07-18 - 2013-07-20
  • Popular scientific lecture
    Chiesa, Nicola; Lotfi, Abbas; Høidalen, Hans Kristian; Mork, Bruce A.; Rui, Øyvind; Ohnstad, Trond. (2013) Five-leg transformer model for GIC studies. international power system transients conference , Vancouver 2013-07-18 - 2013-07-20
  • Academic lecture
    Gustavsen, Bjørn; Høidalen, Hans Kristian; Trond, Ohnstad. (2013) Field Measurement and Simulation of 132 kV Oil-Filled Submarine Cables. Univerity of British Columbia International Conference on Power System Transients , Vancouver 2013-07-18 - 2013-07-20
  • Academic lecture
    Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Modeling of Wind Turbine Transformers for the Analysis of Resonant Overvoltages. University of British Columbia International Power System transients , Vancouver 2013-07-18 - 2013-07-20

2012

  • Popular scientific lecture
    Hayati Soloot, Amir; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2012) The Effect of Winding Design on Transformer Frequency Response with Application on Offshore Wind Farm Energization. International Conference on Renewable Energy Research and Applications , Nagasaki 2012-11-11 - 2012-11-14
  • Popular scientific lecture
    Hayati Soloot, Amir; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2012) The Assessment of Overvoltage Protection in Offshore Wind Farms. Norwegian Research Center of Offshore Wind Farm(NOWITECH) 2012-01-19 - 2012-01-20
  • Popular scientific lecture
    Agheb, Edris; Høidalen, Hans Kristian. (2012) Medium Frequency High Power Transformers, State of Art and Challenges. nternational Conference on Renewable Energy Research and Applications (ICRERA) 2012-11-11 - 2012-11-14

2010

  • Poster
    Soloot, Amir Hayati; Høidalen, Hans Kristian. (2010) Upon The Impact of Power System andVacuum Circuit Breaker Parameters on Transient Recovery Voltage. IEEE Asia-Pacific Power and Energy Engineering Conference , Chengdu, China 2010-03-28 - 2010-03-31
  • Poster
    Soloot, Amir Hayati; Høidalen, Hans Kristian. (2010) High Frequency Modeling of Transformers in ATP for Investigation of Resonances in Offshore Wind Park. European EMTP-ATP User Group meeting 2010 , Espoo 2010-03-16 - 2010-03-18
  • Poster
    Høidalen, Hans Kristian; Soloot, Amir Hayati. (2010) Cable Modelling in ATP – from NODA to TYPE94. European EMTP-ATP User Group meeting 2010 , Espoo 2010-03-16 - 2010-03-18
  • Poster
    Hayati Soloot, Amir; Høidalen, Hans Kristian. (2010) Analysis of Switching Transients in Wind Park with Focus on Prevention of Destructive Effects. Norwegian Research Center of Offshore Wind Farm(NOWITECH) 2010-01-21 - 2010-01-22

2009

  • Academic lecture
    Marvik, Jorun Irene; Høidalen, Hans Kristian; Petterteig, Astrid. (2009) Localization of Phase-to-Phase Faults on a Medium Voltage Feeder with Distributed Generation. IPST IPST , Kyoto 2009-06-02 - 2009-06-06
  • Academic lecture
    Marvik, Jorun Irene; Høidalen, Hans Kristian; Petterteig, Astrid. (2009) Localization of Short-circuits on a Medium Voltage Feeder with Distributed Generation. IET CIRED , Praha 2009-06-08 - 2009-06-11

2008

  • Academic lecture
    Høidalen, Hans Kristian. (2008) New features in ATPDraw 5.4. European EMTP-ATP User Group Meeting European EMTP-ATP User Group Meeting , Izmir, Tyrkia 2008-09-22 - 2008-09-23
  • Academic lecture
    Høidalen, Hans Kristian; Dahlslett, Frank. (2008) CHARACTERIZATION OF LIGHTNING-INDUCED OVERVOLTAGES IN ISOLATED NEUTRAL LOW-VOLTAGE SYSTEMS. The Division for Electricity and Lightning Research 29th International Conference on Lightning Protection , Uppsala University, Sweden 2008-06-23 - 2008-06-26
  • Academic lecture
    Marvik, Jorun Irene; Høidalen, Hans Kristian; Petterteig, Astrid. (2008) Evaluation of simple Fault Location on a MV Feeder with DG, using Fundamental Frequency Components. NORDAC 2008 , Bergen, Norge 2008-09-08 - 2008-09-09
  • Academic lecture
    Chiesa, Nicola; Høidalen, Hans Kristian. (2008) Hysteretic iron-core inductor for tranformer inrush current modeling in EMTP. University of Strathclyde PSCC 2008 , Glasgow, Scotland 2008-07-14 - 2008-07-18

2007

  • Academic lecture
    Marvik, Jorun Irene; Høidalen, Hans Kristian; Petterteig, Astrid. (2007) Analysis of Fault Detection and Location in Medium Voltage Radial Networks with Distributed Generation. IEEE Power Engineering Society Power Tech 2007 , Lausanne 2007-07-01 - 2007-07-05
  • Academic lecture
    Chiesa, Nicola; Høidalen, Hans Kristian. (2007) Modeling of nonlinear and hysteretic iron-core inductors in ATP. Universidad de Leòn European EMTP-ATP Conference , Spania 2007-09-24 - 2007-09-26
  • Academic lecture
    Høidalen, Hans Kristian. (2007) High frequency (HF) apparatus response - An introduction. KTH Workshop on Variable Frequency Diagnostics Dielectric response and FRA , Stockholm 2007-09-11 - 2007-09-12
  • Academic lecture
    Høidalen, Hans Kristian; Mork, Bruce A.; Gonzalez, Francisco; Ishchenko, Dmitry; Chiesa, Nicola. (2007) Implementation and verification of the Hybrid Transformer model in ATPDraw. International Conference on Power Systems Transients, IPST'07 2007-07-04 - 2007-07-07
  • Academic lecture
    Høidalen, Hans Kristian. (2007) New developments in ATPDraw version 5. Universidad de Leòn European EMTP-ATP Conference , Spania 2007-09-24 - 2007-09-26

2006

  • Academic lecture
    Høidalen, Hans Kristian. (2006) Multi-phase Circuits in ATPDraw. University of Dresden European EMTP User Group meeting , Dresden 2006-09-25 - 2006-09-27
  • Academic lecture
    Høidalen, Hans Kristian. (2006) Lightning-induced overvoltages in rural isolated neutral low-voltage systems. Scientific and Local organizing committees of the conference 28th Int. conf. on lightning protection (ICLP) , Kanazawa 2006-09-18 - 2006-09-22
  • Poster
    Høidalen, Hans Kristian. (2006) Lightning-induced Overvoltages in Rural Isolated Neutral Low-voltage Systems. 28th Int. conference on Lightning protection, ICLP 28th Int. conference on Lightning protection, ICLP , Kanazawa 2006-09-18 - 2006-09-22
  • Poster
    Høidalen, Hans Kristian. (2006) Multi-phase Circuits in ATPDraw. University of Dresden European EMTP User Group meeting , Dresden 2006-09-25 - 2006-09-27

2005

  • Academic lecture
    Bjerkan, Eilert; Høidalen, Hans Kristian. (2005) Importance of a Proper Iron Core Representation in High Frequency Power Transformer Models. 14th International Symposium in High Voltage Engineering, IS 14th International Symposium in High Voltage Engineering, ISH2005 , Beijing 2005-08-25 - 2005-08-29
  • Academic lecture
    Bjerkan, Eilert; Høidalen, Hans Kristian. (2005) FRA Sensitivit Analysis using High Frequenc Modeling of Power Transformers based on the Finite Element Mehtod. 14th International Symposium in High Voltage Engineering ISH 14th International Symposium in High Voltage Engineering ISH2005 , Beijing 2005-08-25 - 2006-08-29
  • Academic lecture
    Høidalen, Hans Kristian; Chiesa, Nicola. (2005) Implementation of the Hybrid Transformer Model in ATPDraw. EEUG Meeting 2005 EEUG Meeting 2005 , Warsava 2005-09-12 - 2005-09-13
  • Academic lecture
    Chiesa, Nicola; Høidalen, Hans Kristian. (2005) On the calculation of fluxkinkage/current characteristics for delta-coupled transformer windings. European EMTP-ATP Conference, EEUG European EMTP-ATP Conference, EEUG , Warsava 2005-09-12 - 2005-09-13
  • Academic lecture
    Høidalen, Hans Kristian. (2005) Using Zigzag Transformers with Phase-shift to reduce Harmonics in AS-DC Systems. International Conference on Power System Transients IPST'05 International Conference on Power System Transients IPST'05 , Montreal 2005-06-19 - 2005-06-23
  • Poster
    Bjerkan, Eilert; Høidalen, Hans Kristian. (2005) High Frequency FEM-based Power Transformer Modeling:Investigation of Internal Stresses due to Network-Initiated Overvoltages. International Conference on Power Systems Transients IPST'05 International Conference on Power Systems Transients IPST'05 , Montreal 2005-06-12 - 2005-06-23
  • Academic lecture
    Bjerkan, Eilert; Høidalen, Hans Kristian. (2005) High Frequency Characterization of Impregnated Pressboard and its applicability to High Frequency Power Transformer Modelling and FRA. NTNU, Institutt for elkraftteknikk Nord-Is 05, Nordic Insulation Symposium , Gløshaugen, Trondheim 2005-06-13 - 2005-06-15

2003

  • Academic lecture
    Høidalen, Hans Kristian. (2003) ATPDraw Line Check module. European EMTP User's group meeting in Graz. , Graz, Austria 2003-12-15 -
  • Academic lecture
    Høidalen, Hans Kristian. (2003) Calculation of lightning-induced voltages in models including lossy ground effects. 5th International Conference on Power Systems Transients - IPST 2003 , New Orleans, USA 2003-10-02 -
  • Academic lecture
    Høidalen, Hans Kristian; Mork, Bruce A.; Prikler, Laszlo; Hall, James L.. (2003) Implementation of new features in ATPDraw version 3. 5th International Conference on Power Systems Transients - IPST 2003 , New Orleans, USA 2003-10-02 -

2002

  • Academic lecture
    Høidalen, Hans Kristian; Prikler, Laszlo; Mork, Bruce A.; Hall, James L.. (2002) New features in ATPDraw version 3. European EMPT Users Group , Sopron, Hungary 2002-12-10 -
  • Academic lecture
    Høidalen, Hans Kristian; Dahlslett, Frank. (2002) Overvoltage measurements related to lightning-detection systems in Norway. 26th International Conference on Lightning Protection , Cracow, Poland 2002-09-06 -
  • Popular scientific lecture
    Høidalen, Hans Kristian. (2002) Isolasjonskoordinering i lavspenningsnettet. NIF-kurs; Overspenninger, overtoner og støy i lavspenningsnettet - årsak, problemer og tiltak , Trondheim 2002-10-10 -
  • Popular scientific lecture
    Høidalen, Hans Kristian. (2002) Målinger av overspenninger i lavspent luftnett. NIF-kurs; Overspenninger, overtoner og støy i lavspenningsnettet - årsak, problemer og tiltak , Trondheim 2002-10-10 -

1999

  • Academic lecture
    Høidalen, Hans Kristian; Huse, Jostein. (1999) Impacts of lightning on power quality. CIGRE SC33.99 Colloquium, Study Committee Meeting, Working Group Meetings , Lucerne, Switzerland, 29.08.-01.09.99
  • Academic lecture
    Høidalen, Hans Kristian; Runde, Magne Eystein; Haugland, O.; Ottesen, G.; Öhlén, M.. (1999) Continuous monitoring of circuit-breakers using vibration analysis. Eleventh International Symposium on High-Voltage Engineering, ish99 (Conference publication ; No. 467) , London, 22-27 August 1999
  • Academic lecture
    Høidalen, Hans Kristian. (1999) Calculation of lightning-induced overvoltages using MODELS. International Conference on Power Systems Transients, IPST'99 , Budapest, Hungary, June 20-24, 1999
  • Academic lecture
    Høidalen, Hans Kristian; Prikler, L.; Hall, J.L.. (1999) ATPDraw-Graphical Preprocessor to ATP. Windows version. International Conference on Power Systems Transients, IPST'99 , Budapest, Hungary, June 20-24, 1999
  • Popular scientific lecture
    Høidalen, Hans Kristian. (1999) Induserte overspenninger. Norske Sivilingeniørers Forening, NIF, Overspenningsvern i fordelingsnettet - for sikkerhet og leveringskvalitet, 94958020 , Trondheim, 5.-6. oktober 1999
  • Popular scientific lecture
    Høidalen, Hans Kristian. (1999) Nye materialer og nye løsninger for kompaktering og oppgradering. Norske sivilingeniørers forening, NIF, Overspenningsvern i fordelingsnettet - for sikkerhet og leveringskvalitet, 94958020 , Trondheim, 5-6 oktober 1999

1997

  • Academic lecture
    Høidalen, Hans Kristian. (1997) Lightning induced voltages in low-voltage systems with emphasis on lossy ground effects. International Conference on Power Systems Transients , Seattle

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