Hans Kristian Høidalen

About

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

Publications

2026

Abid, Fahim; Hoidalen, Hans Kristian; Östlund, Sören; Liland, Knut Brede; Madshaven, Inge; Krause, Christoph. (2026) Impact of Thermal Cycling Variation on the Static Clamping Pressure in Transformer Test Rig. IEEE Transactions on Power Delivery
Academic article
Syed, Rizwan Rafique; Hoidalen, Hans Kristian; Mork, Bruce Andrew Knut. (2026) Dependability and Performance Analysis of Digital Substation Automation System. Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
Syed, Rizwan Rafique; Hoidalen, Hans Kristian. (2026) A Framework for Integrating Virtualized PAC into Availability Model of a Digital Substation: An Exploratory Adaptation of Software Aging and Rejuvenation Model. Electricity
Academic article
Mendoza-López, R.; Bañuelos-Cabral, E. S.; Gutiérrez-Robles, J. A.; Høidalen, Hans Kristian; García-Sánchez, J. L.. (2026) Passive modeling of transmission line impedance with real poles using non-negative least squares. Electric power systems research
Academic article

2025

Hoidalen, Hans Kristian; Høyer-Hansen, Martin; Camara, F.N.; Bak, C.L.. (2025) On proximity correction of pipe-type cable parameters with method of moment approach. Electric power systems research
Academic article
Syed, Rizwan Rafique; Høidalen, Hans Kristian. (2025) Investigating the Impact of Fault Handling Models on Reliability Indices of Digital Substation. IEEE Transactions on Power Delivery
Academic article
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

Abid, Fahim; Hoidalen, Hans Kristian; Lundgaard, Lars Esben; Enoksen, Henrik. (2024) Effect of Load Variation on Power Transformer Clamping Pressure in a Test Rig.
Academic chapter
Pokhrel, Basanta Raj; Oleinikova, Irina; D'Arco, Salvatore; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian; Albert Rajaretnam, Aldrich Zeno; Uhlen, Kjetil Obstfelder. (2024) Advanced Digital Lab Infrastructure for the Development of Smart Power Grid.
Academic chapter
Abid, Fahim; Hoidalen, Hans Kristian; Madshaven, Inge; Östlund, Sören. (2024) Effect of Moisture and Load Change on Clamping Pressure in a Transformer Test Rig.
Academic chapter
Sanchez Acevedo, Santiago; Zerihun, Tesfaye Amare; Khalili, Mohammad; Hoidalen, Hans Kristian; Zinner, Thomas. (2024) Line protection systems with 5G communication.
Academic chapter
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; Hoidalen, Hans Kristian. (2024) Earth Fault Location in Non-Radial Resonant Grounded Networks – Theory, analysis and methods. Norges teknisk-naturvitenskapelige universitet
Doctoral thesis

2023

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
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.; Perez, Perez Jhon; 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
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
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

2022

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

2021

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.
Academic chapter
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.
Academic chapter

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

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
Gustavsen, Bjørn Alfred; Portillo, Alvaro; Hoidalen, Hans Kristian. (2018) Modelling of transformers and reactors for electromagnetic transient studies.
Academic chapter
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
Zirka, S.E.; Moroz, Y.I.; Elovaara, J; Lahtinen, M; Walling, RA; Hoidalen, Hans Kristian; Bonmann, D; Arturi, CM; Chiesa, Nicola. (2018) Simplified models of three-phase, five-limb transformer for studying GIC effects. International Journal of Electrical Power & Energy Systems
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

2017

Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2017) Fast protection against islanding and unwanted tripping of distributed generation caused by ground faults.
Academic chapter
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
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
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
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

2016

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; Agheb, Edris; Nysveen, Arne. (2016) Characterization of magnetic losses in the transformer tank steel. IEEE transactions on magnetics
Academic article
Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2016) Implementation of distance relaying in distribution network with distributed generation.
Academic chapter
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
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 AS
Research report
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
Liu, Zhou; Hoidalen, Hans Kristian. (2016) An adaptive inverse time overcurrent relay model implementation for real time simulation and hardware-in-the-loop testning.
Academic chapter
Liu, Zhou; Hoidalen, Hans Kristian. (2016) A simple multi agent system based adaptive relay setting strategy for distribution system with wind generation integration.
Academic chapter
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
Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2016) Travelling Waves-based fault detection Method in multi-terminal HVDC grids connecting offshore Wind farms.
Academic chapter
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; 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

2015

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
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
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
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
Myrda, Paul; Gawlik, Wolfgang; Høidalen, Hans Kristian; Bak-Jensen, Birgitte; Browne, Matthew; Calone, Roberto; Gonzalez, Roberto Cimadevilla; Craib, Andrew; Donnart, Gewnael; Dumitrascu, Daniel. (2015) Protection of Distribution System with Distributed Energy Resources. CIGRE (Conseil international des grands réseaux électriques)
Research report
Kizilcay, M.; Høidalen, Hans Kristian. (2015) EMTP-ATP.
Academic chapter
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
Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2015) Inverse time overcurrent protection scheme for fault location in multi-terminal HVDC.
Academic chapter

2014

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
Uglesic, I; Høidalen, Hans Kristian; Marti, JR. (2014) Papers from the 10th International Conference on Power Systems Transients (IPST). Electric power systems research
Editorial
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.
Academic chapter
Nguyen, Dung Van; Linhjell, Dag; Lundgaard, Lars Esben; Høidalen, Hans Kristian; Unge, M.. (2014) Effects of spatial restriction on streamers in white oil.
Academic chapter

2013

Agheb, Edris; Høidalen, Hans Kristian. (2013) Modification of empirical core loss calculation methods including flux distribution. IET Electric Power Applications
Academic article
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Streamer Propagation in a Long Gap in Model Liquids.
Academic chapter
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
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.
Academic chapter
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
Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Modeling of Wind Turbine Transformers for the Analysis of Resonant Overvoltages.
Popular science chapter
Høidalen, Hans Kristian. (2013) Analysis of Pipe-Type Cable Impedance Formulations at Low Frequencies. IEEE Transactions on Power Delivery
Academic article

2012

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
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.
Academic chapter
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; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, M.. (2012) A Study on Positive Streamer Channels in Marcol Oil.
Academic chapter
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
Bahirat, Himanshu; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Comparison of wind farm topologies for offshore applications.
Academic chapter
Bahirat, Himanshu; Kjølle, Gerd Hovin; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Reliability assessment of DC wind farms.
Academic chapter
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

2011

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

2010

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
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
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
Agheb, Edris; Soloot, Amir Hayati; Høidalen, Hans Kristian. (2010) Performance Optimization of the Air-cored Pulsed Transformers.
Academic chapter
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
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

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

2007

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
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) New Developments in ATPDraw version 5. European EMTP-ATP Conference
Research report
Chiesa, Nicola; Høidalen, Hans Kristian. (2007) Modeling of nonlinear and hysteretic iron-core inductors in ATP. European EMPT-ATP Conference
Research report
Høidalen, Hans Kristian. (2007) High Frequency (HF) apparatus response - An introduction. Workshop on Variable Frequency Diagnostics Dielectric response andn FRA
Research 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
Research 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
Research 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
Research report
Chiesa, Nicola; Avendaño, Alejandro; Mork, Bruce A.; Høidalen, Hans Kristian; Ishchenko, Dmitry; Gonzalez, Francisco; Kunze, A. P.. (2007) Transformer Short-Circuit Representation: Investigation of Phase-To-Phase Coupling. International Conference on Power Systems Transients, IPST
Research report

2005

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.
Academic chapter
Høidalen, Hans Kristian; Runde, Magne. (2005) Continuous Monitoring of Circuit Breaker Using Vibration Analysis. IEEE Transactions on Power Delivery
Academic article

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. NTNU. Inst. f. elkraftteknikk
Doctoral thesis

1995

Brede, Arne Petter; Hoidalen, Hans Kristian; Pleym, Anngjerd; Rørvik, Ove; Seljeseth, Herlof. (1995) Underlag for beregninger og målinger på jordelektroder i forskjellige elkraftanlegg. SINTEF Energi AS
Research report

1994

Alstad, Kjell; Hoidalen, Hans Kristian; Aasen, Terje; Voldhaug, Lars. (1994) Håndbok - Vern av 24 kV BLX-anlegg. SINTEF Energi AS
Research report
Brede, Arne Petter; Hoidalen, Hans Kristian; Rørvik, Ove; Seljeseth, Herlof. (1994) Jordingsarrangement i elkraftanlegg. SINTEF Energi AS
Research report

Journal publications

Abid, Fahim; Hoidalen, Hans Kristian; Östlund, Sören; Liland, Knut Brede; Madshaven, Inge; Krause, Christoph. (2026) Impact of Thermal Cycling Variation on the Static Clamping Pressure in Transformer Test Rig. IEEE Transactions on Power Delivery
Academic article
Syed, Rizwan Rafique; Hoidalen, Hans Kristian. (2026) A Framework for Integrating Virtualized PAC into Availability Model of a Digital Substation: An Exploratory Adaptation of Software Aging and Rejuvenation Model. Electricity
Academic article
Mendoza-López, R.; Bañuelos-Cabral, E. S.; Gutiérrez-Robles, J. A.; Høidalen, Hans Kristian; García-Sánchez, J. L.. (2026) Passive modeling of transmission line impedance with real poles using non-negative least squares. Electric power systems research
Academic article
Hoidalen, Hans Kristian; Høyer-Hansen, Martin; Camara, F.N.; Bak, C.L.. (2025) On proximity correction of pipe-type cable parameters with method of moment approach. Electric power systems research
Academic article
Syed, Rizwan Rafique; Høidalen, Hans Kristian. (2025) Investigating the Impact of Fault Handling Models on Reliability Indices of Digital Substation. 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
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
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
Grebla, Maciej; Yellajosula, Jaya; Hoidalen, Hans Kristian. (2020) Adaptive Frequency Estimation Method for ROCOF Islanding Detection Relay. 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
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
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
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
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
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
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
Agheb, Edris; Høidalen, Hans Kristian. (2013) Modification of empirical core loss calculation methods including flux distribution. IET Electric Power Applications
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
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
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
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
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
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
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
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
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; Runde, Magne. (2005) Continuous Monitoring of Circuit Breaker Using Vibration Analysis. IEEE Transactions on Power Delivery
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
Uglesic, I; Høidalen, Hans Kristian; Marti, JR. (2014) Papers from the 10th International Conference on Power Systems Transients (IPST). Electric power systems research
Editorial
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; 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
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
Diaz, Guillermo A.; Mombello, Enrique E.; Perez, Perez Jhon; 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
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
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
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
Hoidalen, Hans Kristian; Rocha, Angelica C.O.. (2021) Analysis of gray Box Modelling of Transformers. Electric power systems research
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
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
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
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
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
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
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
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
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
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
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
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
Zirka, S.E.; Moroz, Y.I.; Elovaara, J; Lahtinen, M; Walling, RA; Hoidalen, Hans Kristian; Bonmann, D; Arturi, CM; Chiesa, Nicola. (2018) Simplified models of three-phase, five-limb transformer for studying GIC effects. International Journal of Electrical Power & Energy Systems
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
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; 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
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
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
Høidalen, Hans Kristian. (2013) Analysis of Pipe-Type Cable Impedance Formulations at Low Frequencies. IEEE Transactions on Power Delivery
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
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
Nguyen, Dung Van; Mauseth, Frank; Høidalen, Hans Kristian; Linhjell, Dag; Ingebrigtsen, Stian; Lundgaard, Lars Esben; Unge, Michael. (2011) Streamers in large paraffinic oil gap. Proceedings of IEEE International Conference on Dielectric Liquids
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
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
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
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

Part of book/report

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.
Academic chapter
Abid, Fahim; Hoidalen, Hans Kristian; Lundgaard, Lars Esben; Enoksen, Henrik. (2024) Effect of Load Variation on Power Transformer Clamping Pressure in a Test Rig.
Academic chapter
Pokhrel, Basanta Raj; Oleinikova, Irina; D'Arco, Salvatore; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian; Albert Rajaretnam, Aldrich Zeno; Uhlen, Kjetil Obstfelder. (2024) Advanced Digital Lab Infrastructure for the Development of Smart Power Grid.
Academic chapter
Abid, Fahim; Hoidalen, Hans Kristian; Madshaven, Inge; Östlund, Sören. (2024) Effect of Moisture and Load Change on Clamping Pressure in a Transformer Test Rig.
Academic chapter
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, Michael. (2013) Streamer Propagation in a Long Gap in Model Liquids.
Academic chapter
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.
Academic chapter
Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2011) A study of switching overvoltages in offshore wind farm.
Academic chapter
Sanchez Acevedo, Santiago; Zerihun, Tesfaye Amare; Khalili, Mohammad; Hoidalen, Hans Kristian; Zinner, Thomas. (2024) Line protection systems with 5G communication.
Academic chapter
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.
Academic chapter
Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2016) Implementation of distance relaying in distribution network with distributed generation.
Academic chapter
Høidalen, Hans Kristian; Chiesa, Nicola; Avendaño, A; Mork, Bruce A.. (2011) Developments in the hybrid transformer model - Core modeling and optimization.
Academic chapter
Avendaño, A; Mork, Bruce A.; Høidalen, Hans Kristian. (2011) Transformer Internal Fault Modeling in ATP.
Academic chapter
Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2011) Frequency Domain Investigation of Switching Transients in Offshore Wind Farms.
Academic chapter
Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene. (2017) Fast protection against islanding and unwanted tripping of distributed generation caused by ground faults.
Academic chapter
Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Internal Resonant Overvoltage in Wind Turbine Transformers- Sensitivity Analysis of Measurement Techniques.
Academic chapter
Nguyen, Dung Van; Høidalen, Hans Kristian; Linhjell, Dag; Lundgaard, Lars Esben; Unge, M.. (2012) A Study on Positive Streamer Channels in Marcol Oil.
Academic chapter
Treider, Thomas; Gustavsen, Bjørn; Høidalen, Hans Kristian. (2022) Analysis of transient earth fault relays in meshed resonant grounded networks.
Academic chapter
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
Bahirat, Himanshu; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Comparison of wind farm topologies for offshore applications.
Academic chapter
Soloot, Amir Hayati; Høidalen, Hans Kristian; Gustavsen, Bjørn Alfred. (2013) Modeling of Wind Turbine Transformers for the Analysis of Resonant Overvoltages.
Popular science chapter
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.
Academic chapter
Gustavsen, Bjørn Alfred; Portillo, Alvaro; Hoidalen, Hans Kristian. (2018) Modelling of transformers and reactors for electromagnetic transient studies.
Academic chapter
Bahirat, Himanshu; Kjølle, Gerd Hovin; Mork, Bruce A.; Høidalen, Hans Kristian. (2012) Reliability assessment of DC wind farms.
Academic chapter
Chiesa, Nicola; Høidalen, Hans Kristian. (2008) Hysteretic iron-core inductor for tranformer inrush current modeling in EMTP.
Academic chapter
Khalili Katoulaei, Mohammad; Sanchez Acevedo, Santiago; Hoidalen, Hans Kristian. (2022) Testing of mixed sensor technologies in transformer differential protection.
Academic chapter
Liu, Zhou; Hoidalen, Hans Kristian. (2016) An adaptive inverse time overcurrent relay model implementation for real time simulation and hardware-in-the-loop testning.
Academic chapter
Liu, Zhou; Hoidalen, Hans Kristian. (2016) A simple multi agent system based adaptive relay setting strategy for distribution system with wind generation integration.
Academic chapter
Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2016) Travelling Waves-based fault detection Method in multi-terminal HVDC grids connecting offshore Wind farms.
Academic chapter
Kizilcay, M.; Høidalen, Hans Kristian. (2015) EMTP-ATP.
Academic chapter
Lotfi, Abbas; Høidalen, Hans Kristian; Chiesa, Nicola; Rahimpour, Ebrahim. (2014) Calculation of Off-Core Inductance in Dual-Circuit Model of Transformer.
Academic chapter
Nguyen, Dung Van; Linhjell, Dag; Lundgaard, Lars Esben; Høidalen, Hans Kristian; Unge, M.. (2014) Effects of spatial restriction on streamers in white oil.
Academic chapter
Torres Olguin, Raymundo E.; Hoidalen, Hans Kristian. (2015) Inverse time overcurrent protection scheme for fault location in multi-terminal HVDC.
Academic chapter
Agheb, Edris; Soloot, Amir Hayati; Høidalen, Hans Kristian. (2010) Performance Optimization of the Air-cored Pulsed Transformers.
Academic chapter
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
Treider, Thomas; Gustavsen, Bjørn; Høidalen, Hans Kristian. (2022) Steady-state, iterative method for locating and clearing permanent high impedance earth faults in compensated networks.
Academic chapter

Report

Alstad, Kjell; Hoidalen, Hans Kristian; Aasen, Terje; Voldhaug, Lars. (1994) Håndbok - Vern av 24 kV BLX-anlegg. SINTEF Energi AS
Research report
Brede, Arne Petter; Hoidalen, Hans Kristian; Pleym, Anngjerd; Rørvik, Ove; Seljeseth, Herlof. (1995) Underlag for beregninger og målinger på jordelektroder i forskjellige elkraftanlegg. SINTEF Energi AS
Research report
Brede, Arne Petter; Hoidalen, Hans Kristian; Rørvik, Ove; Seljeseth, Herlof. (1994) Jordingsarrangement i elkraftanlegg. SINTEF Energi AS
Research report
Høidalen, Hans Kristian. (2011) Universal machine modeling in ATPDraw - Embedded Windsyn. Proc EMTP, User Group meeting
Research report
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 AS
Research report
Høidalen, Hans Kristian. (2007) New Developments in ATPDraw version 5. European EMTP-ATP Conference
Research report
Chiesa, Nicola; Høidalen, Hans Kristian. (2007) Modeling of nonlinear and hysteretic iron-core inductors in ATP. European EMPT-ATP Conference
Research report
Høidalen, Hans Kristian. (2007) High Frequency (HF) apparatus response - An introduction. Workshop on Variable Frequency Diagnostics Dielectric response andn FRA
Research 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
Research 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
Research 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
Research report
Chiesa, Nicola; Avendaño, Alejandro; Mork, Bruce A.; Høidalen, Hans Kristian; Ishchenko, Dmitry; Gonzalez, Francisco; Kunze, A. P.. (2007) Transformer Short-Circuit Representation: Investigation of Phase-To-Phase Coupling. International Conference on Power Systems Transients, IPST
Research report
Myrda, Paul; Gawlik, Wolfgang; Høidalen, Hans Kristian; Bak-Jensen, Birgitte; Browne, Matthew; Calone, Roberto; Gonzalez, Roberto Cimadevilla; Craib, Andrew; Donnart, Gewnael; Dumitrascu, Daniel. (2015) Protection of Distribution System with Distributed Energy Resources. CIGRE (Conseil international des grands réseaux électriques)
Research report

Student thesis or dissertation

Syed, Rizwan Rafique; Hoidalen, Hans Kristian; Mork, Bruce Andrew Knut. (2026) Dependability and Performance Analysis of Digital Substation Automation System. Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
Høidalen, Hans Kristian. (1997) Ligntning-induced overvoltages in low-voltage systems. NTNU. Inst. f. elkraftteknikk
Doctoral thesis
Treider, Thomas; Hoidalen, Hans Kristian. (2024) Earth Fault Location in Non-Radial Resonant Grounded Networks – Theory, analysis and methods. Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
Marvik, Jorun Irene; Høidalen, Hans Kristian. (2011) Fault Localization in Medium Voltage Distribution Networks with Distributed Generation. Norges teknisk-naturvitenskapelige universitet
Doctoral thesis

Teaching

Courses

Outreach