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Robert Kristoffer Nilssen

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Robert Kristoffer Nilssen

Professor
Department of electric energy

robert.nilssen@ntnu.no
+4773594243 +4746414738 +4746414738 Elektro E/F, E-418, Gløshaugen, O. S. Bragstads plass 2
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Publications

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  • See all publications in Cristin

2024

  • Zhang, Zhaoqiang; Nysveen, Arne; Fagermyr, Børge Johannes; Nilssen, Robert Kristoffer; Ehya, Hossein; Belkhode, Satish. (2024) Virtual-Stator Loss Model for Synchronous Generators With Fractional-Slot Winding. IEEE transactions on industry applications
    Academic article
  • Desmedt, Michiel; Nilssen, Robert Kristoffer; Nysveen, Arne. (2024) Verification of load angle characteristics of a novel counter-rotating twin harmonic PM machine using locked-rotor measurements. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Mellerud, Runar; Nilssen, Robert Kristoffer; Zhu, Zi-Qiang. (2024) Reduction of Stator Tooth Magnetic Saturation in Permanent Magnet Machines with Single-Layer Fractional Slot Concentrated Windings. Proceedings (International Conference on Electrical Machines) (ICEM)
    Academic article
  • Wu, Ze-Zheng; Nilssen, Robert Kristoffer; Shen, Jian-Xin. (2024) Utility and Application of a Versatile Analytical Method for MMF Calculation in AC Machines. CES Transactions on Electrical Machines and Systems (CES TEMS)
    Academic article

2023

  • Zhang, Zhaoqiang; Nysveen, Arne; Fagermyr, Børge Johannes; Chen, Anyuan; Ehya, Hossein; Nilssen, Robert Kristoffer. (2023) Material Characterization and Stator Core Loss Computation of Synchronous Generators With Stacking Force Accounted. IEEE transactions on industry applications
    Academic article
  • Desmedt, Michiel; Bergesen, Samson; Nilssen, Robert Kristoffer. (2023) Characterization of a novel counter-rotating twin harmonic PM machine. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Hartmann, Christian Magnus; Mellerud, Runar; Nøland, Jonas Kristiansen; Nilssen, Robert Kristoffer. (2023) A Static FEA Framework for Fast Analysis of HTS Armature Windings in AC Superconducting SMPM Machines. IEEE transactions on energy conversion
    Academic article

2022

  • Robles, Dany Josue Tome; Nilssen, Robert; Nøland, Jonas Kristiansen. (2022) Comparison of AC-Superconducting Multiphase Symmetric-Winding Topologies for Wind Power Generators With PM Rotors. IEEE Transactions on Applied Superconductivity (TAS)
    Academic article
  • Hartmann, Christian Magnus; Nøland, Jonas Kristiansen; Nilssen, Robert; Mellerud, Runar. (2022) Dual use of liquid hydrogen in a next-generation PEMFC-powered regional aircraft with superconducting propulsion. IEEE Transactions on Transportation Electrification
    Academic article
  • Qin, Xuefei; Shen, Jianxin; Nilssen, Robert; Jacek, Gieras. (2022) Design of High-Speed PMSM Considering Multi-Physics Fields and Power Converter Constraints. Journal of Electrotechnical Technology
    Academic article

2021

  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert; Liu, Yujing. (2021) Static and Dynamic Eccentricity Fault Diagnosis of Large Salient Pole Synchronous Generators by means of External Magnetic Field. IET Electric Power Applications
    Academic article
  • Sun, Yi; Lin, Yingqian; Wang, Yunchong; Nilssen, Robert; Shen, Jian-Xin. (2021) Theory of symmetric winding distributions and a general method for winding MMF harmonic analysis. IET Electric Power Applications
    Academic article

2020

  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert. (2020) Pattern Recognition of Inter-Turn Short Circuit Fault in Wound Field Synchronous Generator via Stray Flux Monitoring. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Rødal, Gard Lyng; Nysveen, Arne; Nilssen, Robert. (2020) Condition Monitoring of Wound Field Synchronous Generator under Inter-turn Short Circuit Fault utilizing Vibration Signal. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Skreien, Tarjei N.; Nysveen, Arne; Nilssen, Robert. (2020) The Noise Effects on Signal Processors Used for Fault Detection Purpose. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert. (2020) A Practical Approach for Static Eccentricity Fault Diagnosis of Hydro-Generators. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Wang, Wei; Nysveen, Arne; Magnusson, Niklas; Nilssen, Robert. (2020) Fourier-based effective permeability for transformer iron losses computation under saturation. IET Electric Power Applications
    Academic article

2019

  • Nøland, Jonas Kristiansen; Leandro, Matteo; Suul, Jon Are Wold; Molinas Cabrera, Maria Marta; Nilssen, Robert. (2019) Electrical Machines and Power Electronics for Starter-Generators in More Electric Aircrafts: A Technology Review. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert; Lundin, Urban. (2019) Time Domain Signature Analysis of Synchronous Generator under Broken Damper Bar Fault. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Wang, Wei; Nysveen, Arne; Magnusson, Niklas; Nilssen, Robert. (2019) Computation of transformer iron losses under saturation using the Fourier method Part 2: Stray loss. IEEE Xplore Digital Library
    Academic article

2017

  • Røkke, Astrid; Nilssen, Robert. (2017) Analytical Calculation of Yoke Flux Patterns in Fractional-Slot Permanent Magnet Machines. IEEE transactions on magnetics
    Academic article
  • Zhang, Zhaoqiang; Nilssen, Robert; Muyeen, S.M.; Nysveen, Arne; Al-Durra, Ahmed. (2017) Design optimization of ironless multi-stage axial-flux permanent magnet generators for offshore wind turbines. Engineering optimization (Print)
    Academic article
  • Severson, Eric Loren; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2017) Design of Dual Purpose No-Voltage Combined Windings for Bearingless Motors. IEEE transactions on industry applications
    Academic article

2015

  • Engevik, Erlend L.; Røkke, Astrid; Nilssen, Robert. (2015) Evaluating Hybrid Optimization Algorithms for Design of a Permanent Magnet Generator. IEEE Press
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2015) Magnetic equivalent circuit modeling of the AC homopolar machine for flywheel energy storage. IEEE transactions on energy conversion
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2015) Effects of Loading and slot harmonic on Radial Magnetic Forces in Low-Speed Permanent Magnet Machine with Concentrated Windings. IEEE transactions on magnetics
    Academic article
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2015) Dual-Purpose No-Voltage Winding Design for the Bearingless AC Homopolar and Consequent Pole Motors. IEEE transactions on industry applications
    Academic article

2014

  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2014) Outer-rotor ac homopolar motors for flywheel energy storage. IET Digital Library
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2014) Dual purpose no voltage winding design for the bearingless ac homopolar and consequent pole motors. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert; Rølvåg, Terje. (2014) Slot harmonic effect on magnetic forces and vibration in low-speed permanent-magnet machine with concentrated windings. IEEE transactions on industry applications
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2014) Effects of loading on radial magnetic forces in low-speed permanent magnet machine with concentrated windings. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Matveev, Alexey; Nysveen, Arne; Nilssen, Robert. (2014) Multiple-airgap iron-cored direct-driven permanent magnet wind generators. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert; Lorenz, Robert D.; Rølvåg, Terje. (2014) Influence of pole and slot combinations on magnetic forces and vibration in low-speed PM wind generators. IEEE transactions on magnetics
    Academic article
  • Zhang, Zhaoqiang; Muyeen, S.M.; Al-Durra, Abel A.; Nilssen, Robert; Nysveen, Arne. (2014) Multiphysics 3D Modelling of Ironless Permanent Magnet Generators. Energy Procedia
    Academic article

2013

  • Severson, Eric; Røkke, Astrid; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2013) Design and measurement of a passive thrust magnetic bearing for a bearingless motor. Proceedings of the Annual Conference of the IEEE Industrial Electronics Society (IECON)
    Academic article
  • Zhang, Zhaoqiang; Chen, Anyuan; Matveev, Alexey; Nilssen, Robert; Nysveen, Arne. (2013) High-power generators for offshore wind turbines. Energy Procedia
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2013) Analysis of a low-speed PM Wind generator with concentrated windings in eccentricity conditions. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2013) Influence of slot harmonics on radial magnetic forces in low-speed PM machine with concentrated windings. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2013) Suspension Force Model for Bearingless AC Homopolar Machines Designed for Flywheel Energy Storage. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Wu, D; Zhu, ZQ; Nilssen, Robert. (2013) Development of a segmented linear variable flux reluctance motor with DC-field coil. Applied Mechanics and Materials
    Academic article
  • Wang, Kai; Zhu, ZQ; Nilssen, Robert. (2013) Using third harmonic for shape optimization of flux density distribution in linear permanent-magnet machine. Applied Mechanics and Materials
    Academic article
  • Zhou, YJ; Zhu, ZQ; Nilssen, Robert. (2013) Comparison of linear switched flux permanent magnet machines. Applied Mechanics and Materials
    Academic article
  • Røkke, Astrid; Nilssen, Robert. (2013) Marine Current Turbines and Generator preference. A technology review. The Renewable Energies and Power Quality Journal (RE&PQJ)
    Academic literature review

2012

  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2012) Magnetic forces and vibration in permanent magnet machines with non-overlapping concentrated windings: A review. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert; Lorenz, Robert D.. (2012) Down-the-Hole Hammer Drilling System Driven by a Tubular Reciprocating Translational Motion Permanent Magnet Synchronous Motor. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert; Lorenz, Robert D.. (2012) Percussive Drilling Application of a Tubular Reciprocating Translational Motion Permanent Magnet Synchronous Motor. Journal of international Conference on Electrical Machines and Systems
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2012) Characterization of radial magnetic forces in low-speed permanent magnet wind generator with non-overlapping concentrated windings. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Olsen, Pål Keim; Gjerde, Sverre Skalleberg; Nilssen, Robert; Hølto, Jorunn; Hvidsten, Sverre. (2012) A Transformerless generator-converter concept making feasible a 100 kV light weight offshore wind turbine: Part I - The generator. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2012) Analysis of the Bearingless AC Homopolar Motor. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Zhaoqiang; Matveev, Alexey; Nilssen, Robert; Nysveen, Arne. (2012) Large-diameter Ironless Permanent Magnet Generator for Offshore Wind Power Application. IEEE conference proceedings
    Academic chapter/article/Conference paper

2011

  • Zhang, Zhaoqiang; Matveev, Alexey; Øvrebø, Sigurd; Nilssen, Robert; Nysveen, Arne. (2011) State of the art in generator technology for offshore wind energy conversion systems. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Zhaoqiang; Matveev, Alexey; Øvrebø, Sigurd; Nilssen, Robert; Nysveen, Arne. (2011) Review of modeling methods in electromagnetic and thermal design of permanent magnet generators for wind turbines. IEEE conference proceedings
    Academic chapter/article/Conference paper

2010

  • Zhang, Shujun; Norum, Lars Einar; Pedersen, Eilif; Nilssen, Robert. (2010) Tubular Linear Oscillatory Machine for Drilling Applications. Journal of Electrical Engineering
    Academic article
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2010) Investigation of a three-Phase Flux-Switching Permanent Magnet Machine for Downhole Applications. IEEE Press
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2010) Analytical Design of a High-torque flux-Switching Permanent Magnet Machine by a Simplified Lumped Parameter Magnetic Circuit Model. IEEE Press
    Academic chapter/article/Conference paper
  • Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert. (2010) Variable Voltage Variable Frequency Control of Tubular Linear Permanent Magnet Synchronous Machine for Drilling Applications. IEEE Press
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2010) Performance Comparisons Among Radial-Flux, Multistage Axial-Flux, and Three-Phase Transverse-Flux PM Machines for Downhole Applications. IEEE transactions on industry applications
    Academic article

2009

  • Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, J.E.; Jaillot, Caroline. (2009) Experimental Characterisation of Linear Permanent Magnet Actuator with Gas Springs. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2009) Performance Comparisons Among Radial Flux, Multi-stage Axial Flux and Three-phase Transverse Flux PM Machines for Downhole Applications. IEEE conference proceedings
    Academic chapter/article/Conference paper

2008

  • Ummaneni, Ravindra Babu; Brennvall, J.E.; Nilssen, Robert. (2008) Applications of Linear Permanent Magnet Actuators in Offshore Applications. Recent Advances in Electrical Engineering
    Academic article
  • Chen, Anyuan; Ummaneni, Ravindra Babu; Nilssen, Robert; Nysveen, Arne. (2008) Review of Electrical Machine in Downhole Applications and the Advantages. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2008) Harmonic Analysis and Comparison of the Back EMFs of Four Permanent Magnet Machine with Different Winding Arrangements.
    Academic chapter/article/Conference paper
  • Mogstad, Anne Berit; Molinas Cabrera, Maria Marta ; Olsen, Pål Keim; Nilssen, Robert. (2008) A Power Conversion System for Offshore Wind Parks.
    Academic chapter/article/Conference paper

2007

  • Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, Jon Eirik. (2007) Force Analysis in Design of High Power Linear Permanent Magnet Actuator with Gas Springs in Drilling Applications. IEEE conference proceedings
    Academic chapter/article/Conference paper

2006

  • Krøvel, Øystein; Nilssen, Robert. (2006) Design and Measurements on a Small Radial Flux Permanent Magnet Generator with Concentrated Coils.
    Academic chapter/article/Conference paper

2005

  • Nilssen, Robert; Skaar, Stev Erlend; Lund, Richard; Skjellnes, Tore; Øvrebø, Sigurd; Løvli, Edgar. (2005) Design of a Permanent Synchronous Motor Integrated in the Wheel Rim on Wheelchairs.
    Other

2004

  • Nysveen, Arne; Undeland, Tore Marvin; Nilssen, Robert; Fosso, Olav B; Hansen, Eilif Hugo; Belsnes, Michael Martin. (2004) Electric energy.
    Academic chapter/article/Conference paper

1998

  • Midtgård, Ole-Morten; Nilssen, Robert. (1998) Efficient Spanning Trees for a High-Order Edge Element T-_C Eddy Current Formulation. IEEE transactions on magnetics
    Academic article

1994

  • Mohan, Ned; Robbins, William P.; Undeland, Tore Marvin; Nilssen, Robert; Mo, Olve. (1994) Simulation of Power Electronic and Motion Control Systems—An Overview. Proceedings of the IEEE
    Academic article

1993

  • Mo, Olve; Nilssen, Robert. (1993) Low cost program for simulation of power electronic converters and systems. IEE Conference Publication
    Academic article

1991

  • Mo, Olve; Petterteig, Astrid; Ringheim, Nils Arild; Nilssen, Robert. (1991) Application of programmable modules in simulation of power electronics.
    Academic chapter/article/Conference paper

1990

  • Nilssen, Robert; Mo, Olve. (1990) KREAN, a new simulation program for power electronic circuits. PESC Record - IEEE Annual Power Electronics Specialists Conference
    Academic article

Journal publications

  • Zhang, Zhaoqiang; Nysveen, Arne; Fagermyr, Børge Johannes; Nilssen, Robert Kristoffer; Ehya, Hossein; Belkhode, Satish. (2024) Virtual-Stator Loss Model for Synchronous Generators With Fractional-Slot Winding. IEEE transactions on industry applications
    Academic article
  • Mellerud, Runar; Nilssen, Robert Kristoffer; Zhu, Zi-Qiang. (2024) Reduction of Stator Tooth Magnetic Saturation in Permanent Magnet Machines with Single-Layer Fractional Slot Concentrated Windings. Proceedings (International Conference on Electrical Machines) (ICEM)
    Academic article
  • Wu, Ze-Zheng; Nilssen, Robert Kristoffer; Shen, Jian-Xin. (2024) Utility and Application of a Versatile Analytical Method for MMF Calculation in AC Machines. CES Transactions on Electrical Machines and Systems (CES TEMS)
    Academic article
  • Zhang, Zhaoqiang; Nysveen, Arne; Fagermyr, Børge Johannes; Chen, Anyuan; Ehya, Hossein; Nilssen, Robert Kristoffer. (2023) Material Characterization and Stator Core Loss Computation of Synchronous Generators With Stacking Force Accounted. IEEE transactions on industry applications
    Academic article
  • Hartmann, Christian Magnus; Mellerud, Runar; Nøland, Jonas Kristiansen; Nilssen, Robert Kristoffer. (2023) A Static FEA Framework for Fast Analysis of HTS Armature Windings in AC Superconducting SMPM Machines. IEEE transactions on energy conversion
    Academic article
  • Robles, Dany Josue Tome; Nilssen, Robert; Nøland, Jonas Kristiansen. (2022) Comparison of AC-Superconducting Multiphase Symmetric-Winding Topologies for Wind Power Generators With PM Rotors. IEEE Transactions on Applied Superconductivity (TAS)
    Academic article
  • Hartmann, Christian Magnus; Nøland, Jonas Kristiansen; Nilssen, Robert; Mellerud, Runar. (2022) Dual use of liquid hydrogen in a next-generation PEMFC-powered regional aircraft with superconducting propulsion. IEEE Transactions on Transportation Electrification
    Academic article
  • Qin, Xuefei; Shen, Jianxin; Nilssen, Robert; Jacek, Gieras. (2022) Design of High-Speed PMSM Considering Multi-Physics Fields and Power Converter Constraints. Journal of Electrotechnical Technology
    Academic article
  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert; Liu, Yujing. (2021) Static and Dynamic Eccentricity Fault Diagnosis of Large Salient Pole Synchronous Generators by means of External Magnetic Field. IET Electric Power Applications
    Academic article
  • Sun, Yi; Lin, Yingqian; Wang, Yunchong; Nilssen, Robert; Shen, Jian-Xin. (2021) Theory of symmetric winding distributions and a general method for winding MMF harmonic analysis. IET Electric Power Applications
    Academic article
  • Wang, Wei; Nysveen, Arne; Magnusson, Niklas; Nilssen, Robert. (2020) Fourier-based effective permeability for transformer iron losses computation under saturation. IET Electric Power Applications
    Academic article
  • Wang, Wei; Nysveen, Arne; Magnusson, Niklas; Nilssen, Robert. (2019) Computation of transformer iron losses under saturation using the Fourier method Part 2: Stray loss. IEEE Xplore Digital Library
    Academic article
  • Røkke, Astrid; Nilssen, Robert. (2017) Analytical Calculation of Yoke Flux Patterns in Fractional-Slot Permanent Magnet Machines. IEEE transactions on magnetics
    Academic article
  • Zhang, Zhaoqiang; Nilssen, Robert; Muyeen, S.M.; Nysveen, Arne; Al-Durra, Ahmed. (2017) Design optimization of ironless multi-stage axial-flux permanent magnet generators for offshore wind turbines. Engineering optimization (Print)
    Academic article
  • Severson, Eric Loren; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2017) Design of Dual Purpose No-Voltage Combined Windings for Bearingless Motors. IEEE transactions on industry applications
    Academic article
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2015) Magnetic equivalent circuit modeling of the AC homopolar machine for flywheel energy storage. IEEE transactions on energy conversion
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2015) Effects of Loading and slot harmonic on Radial Magnetic Forces in Low-Speed Permanent Magnet Machine with Concentrated Windings. IEEE transactions on magnetics
    Academic article
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2015) Dual-Purpose No-Voltage Winding Design for the Bearingless AC Homopolar and Consequent Pole Motors. IEEE transactions on industry applications
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert; Rølvåg, Terje. (2014) Slot harmonic effect on magnetic forces and vibration in low-speed permanent-magnet machine with concentrated windings. IEEE transactions on industry applications
    Academic article
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert; Lorenz, Robert D.; Rølvåg, Terje. (2014) Influence of pole and slot combinations on magnetic forces and vibration in low-speed PM wind generators. IEEE transactions on magnetics
    Academic article
  • Zhang, Zhaoqiang; Muyeen, S.M.; Al-Durra, Abel A.; Nilssen, Robert; Nysveen, Arne. (2014) Multiphysics 3D Modelling of Ironless Permanent Magnet Generators. Energy Procedia
    Academic article
  • Severson, Eric; Røkke, Astrid; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2013) Design and measurement of a passive thrust magnetic bearing for a bearingless motor. Proceedings of the Annual Conference of the IEEE Industrial Electronics Society (IECON)
    Academic article
  • Zhang, Zhaoqiang; Chen, Anyuan; Matveev, Alexey; Nilssen, Robert; Nysveen, Arne. (2013) High-power generators for offshore wind turbines. Energy Procedia
    Academic article
  • Wu, D; Zhu, ZQ; Nilssen, Robert. (2013) Development of a segmented linear variable flux reluctance motor with DC-field coil. Applied Mechanics and Materials
    Academic article
  • Wang, Kai; Zhu, ZQ; Nilssen, Robert. (2013) Using third harmonic for shape optimization of flux density distribution in linear permanent-magnet machine. Applied Mechanics and Materials
    Academic article
  • Zhou, YJ; Zhu, ZQ; Nilssen, Robert. (2013) Comparison of linear switched flux permanent magnet machines. Applied Mechanics and Materials
    Academic article
  • Røkke, Astrid; Nilssen, Robert. (2013) Marine Current Turbines and Generator preference. A technology review. The Renewable Energies and Power Quality Journal (RE&PQJ)
    Academic literature review
  • Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert; Lorenz, Robert D.. (2012) Percussive Drilling Application of a Tubular Reciprocating Translational Motion Permanent Magnet Synchronous Motor. Journal of international Conference on Electrical Machines and Systems
    Academic article
  • Zhang, Shujun; Norum, Lars Einar; Pedersen, Eilif; Nilssen, Robert. (2010) Tubular Linear Oscillatory Machine for Drilling Applications. Journal of Electrical Engineering
    Academic article
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2010) Performance Comparisons Among Radial-Flux, Multistage Axial-Flux, and Three-Phase Transverse-Flux PM Machines for Downhole Applications. IEEE transactions on industry applications
    Academic article
  • Ummaneni, Ravindra Babu; Brennvall, J.E.; Nilssen, Robert. (2008) Applications of Linear Permanent Magnet Actuators in Offshore Applications. Recent Advances in Electrical Engineering
    Academic article
  • Midtgård, Ole-Morten; Nilssen, Robert. (1998) Efficient Spanning Trees for a High-Order Edge Element T-_C Eddy Current Formulation. IEEE transactions on magnetics
    Academic article
  • Mohan, Ned; Robbins, William P.; Undeland, Tore Marvin; Nilssen, Robert; Mo, Olve. (1994) Simulation of Power Electronic and Motion Control Systems—An Overview. Proceedings of the IEEE
    Academic article
  • Mo, Olve; Nilssen, Robert. (1993) Low cost program for simulation of power electronic converters and systems. IEE Conference Publication
    Academic article
  • Nilssen, Robert; Mo, Olve. (1990) KREAN, a new simulation program for power electronic circuits. PESC Record - IEEE Annual Power Electronics Specialists Conference
    Academic article

Part of book/report

  • Desmedt, Michiel; Nilssen, Robert Kristoffer; Nysveen, Arne. (2024) Verification of load angle characteristics of a novel counter-rotating twin harmonic PM machine using locked-rotor measurements. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Desmedt, Michiel; Bergesen, Samson; Nilssen, Robert Kristoffer. (2023) Characterization of a novel counter-rotating twin harmonic PM machine. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert. (2020) Pattern Recognition of Inter-Turn Short Circuit Fault in Wound Field Synchronous Generator via Stray Flux Monitoring. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Rødal, Gard Lyng; Nysveen, Arne; Nilssen, Robert. (2020) Condition Monitoring of Wound Field Synchronous Generator under Inter-turn Short Circuit Fault utilizing Vibration Signal. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Skreien, Tarjei N.; Nysveen, Arne; Nilssen, Robert. (2020) The Noise Effects on Signal Processors Used for Fault Detection Purpose. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert. (2020) A Practical Approach for Static Eccentricity Fault Diagnosis of Hydro-Generators. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Nøland, Jonas Kristiansen; Leandro, Matteo; Suul, Jon Are Wold; Molinas Cabrera, Maria Marta; Nilssen, Robert. (2019) Electrical Machines and Power Electronics for Starter-Generators in More Electric Aircrafts: A Technology Review. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Ehya, Hossein; Nysveen, Arne; Nilssen, Robert; Lundin, Urban. (2019) Time Domain Signature Analysis of Synchronous Generator under Broken Damper Bar Fault. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Engevik, Erlend L.; Røkke, Astrid; Nilssen, Robert. (2015) Evaluating Hybrid Optimization Algorithms for Design of a Permanent Magnet Generator. IEEE Press
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2014) Outer-rotor ac homopolar motors for flywheel energy storage. IET Digital Library
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2014) Dual purpose no voltage winding design for the bearingless ac homopolar and consequent pole motors. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2014) Effects of loading on radial magnetic forces in low-speed permanent magnet machine with concentrated windings. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Matveev, Alexey; Nysveen, Arne; Nilssen, Robert. (2014) Multiple-airgap iron-cored direct-driven permanent magnet wind generators. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2013) Analysis of a low-speed PM Wind generator with concentrated windings in eccentricity conditions. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2013) Influence of slot harmonics on radial magnetic forces in low-speed PM machine with concentrated windings. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2013) Suspension Force Model for Bearingless AC Homopolar Machines Designed for Flywheel Energy Storage. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2012) Magnetic forces and vibration in permanent magnet machines with non-overlapping concentrated windings: A review. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert; Lorenz, Robert D.. (2012) Down-the-Hole Hammer Drilling System Driven by a Tubular Reciprocating Translational Motion Permanent Magnet Synchronous Motor. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2012) Characterization of radial magnetic forces in low-speed permanent magnet wind generator with non-overlapping concentrated windings. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Olsen, Pål Keim; Gjerde, Sverre Skalleberg; Nilssen, Robert; Hølto, Jorunn; Hvidsten, Sverre. (2012) A Transformerless generator-converter concept making feasible a 100 kV light weight offshore wind turbine: Part I - The generator. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Severson, Eric; Nilssen, Robert; Undeland, Tore Marvin; Mohan, Ned. (2012) Analysis of the Bearingless AC Homopolar Motor. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Zhaoqiang; Matveev, Alexey; Nilssen, Robert; Nysveen, Arne. (2012) Large-diameter Ironless Permanent Magnet Generator for Offshore Wind Power Application. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Zhaoqiang; Matveev, Alexey; Øvrebø, Sigurd; Nilssen, Robert; Nysveen, Arne. (2011) State of the art in generator technology for offshore wind energy conversion systems. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Zhang, Zhaoqiang; Matveev, Alexey; Øvrebø, Sigurd; Nilssen, Robert; Nysveen, Arne. (2011) Review of modeling methods in electromagnetic and thermal design of permanent magnet generators for wind turbines. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2010) Investigation of a three-Phase Flux-Switching Permanent Magnet Machine for Downhole Applications. IEEE Press
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2010) Analytical Design of a High-torque flux-Switching Permanent Magnet Machine by a Simplified Lumped Parameter Magnetic Circuit Model. IEEE Press
    Academic chapter/article/Conference paper
  • Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert. (2010) Variable Voltage Variable Frequency Control of Tubular Linear Permanent Magnet Synchronous Machine for Drilling Applications. IEEE Press
    Academic chapter/article/Conference paper
  • Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, J.E.; Jaillot, Caroline. (2009) Experimental Characterisation of Linear Permanent Magnet Actuator with Gas Springs. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2009) Performance Comparisons Among Radial Flux, Multi-stage Axial Flux and Three-phase Transverse Flux PM Machines for Downhole Applications. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Ummaneni, Ravindra Babu; Nilssen, Robert; Nysveen, Arne. (2008) Review of Electrical Machine in Downhole Applications and the Advantages. IEEE (Institute of Electrical and Electronics Engineers)
    Academic chapter/article/Conference paper
  • Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2008) Harmonic Analysis and Comparison of the Back EMFs of Four Permanent Magnet Machine with Different Winding Arrangements.
    Academic chapter/article/Conference paper
  • Mogstad, Anne Berit; Molinas Cabrera, Maria Marta ; Olsen, Pål Keim; Nilssen, Robert. (2008) A Power Conversion System for Offshore Wind Parks.
    Academic chapter/article/Conference paper
  • Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, Jon Eirik. (2007) Force Analysis in Design of High Power Linear Permanent Magnet Actuator with Gas Springs in Drilling Applications. IEEE conference proceedings
    Academic chapter/article/Conference paper
  • Krøvel, Øystein; Nilssen, Robert. (2006) Design and Measurements on a Small Radial Flux Permanent Magnet Generator with Concentrated Coils.
    Academic chapter/article/Conference paper
  • Nilssen, Robert; Skaar, Stev Erlend; Lund, Richard; Skjellnes, Tore; Øvrebø, Sigurd; Løvli, Edgar. (2005) Design of a Permanent Synchronous Motor Integrated in the Wheel Rim on Wheelchairs.
    Other
  • Nysveen, Arne; Undeland, Tore Marvin; Nilssen, Robert; Fosso, Olav B; Hansen, Eilif Hugo; Belsnes, Michael Martin. (2004) Electric energy.
    Academic chapter/article/Conference paper
  • Mo, Olve; Petterteig, Astrid; Ringheim, Nils Arild; Nilssen, Robert. (1991) Application of programmable modules in simulation of power electronics.
    Academic chapter/article/Conference paper

Teaching

Courses

  • TEP4175 - Design av en vindturbin
  • TET4545 - Elektriske maskiner og elektromagnetisme, fordypningsemne
  • FENT2321 - Vindenergi og design av vindturbin

Outreach

2022

  • Academic lecture
    Zhang, Zhaoqiang; Nysveen, Arne; Fagermyr, Børge Johannes; Nilssen, Robert; Ehya, Hossein. (2022) Virtual-stator Loss Model for Synchronous Generators. 2022 IEEE Energy Conversion Congress and Exposition (ECCE) 2022-10-09 - 2022-10-13
  • Academic lecture
    Zhang, Zhaoqiang; Nysveen, Arne; Nilssen, Robert; Fagermyr, Børge Johannes; Chen, Anyuan; Ehya, Hossein. (2022) Material Characterization and Stator Core Loss Computation of Synchronous Generators with Stacking Force Accounted. 2022 International Conference on Electrical Machines (ICEM) 2022-09-05 - 2022-09-08

2021

  • Interview
    Schwencke, Morten; Nøland, Jonas Kristiansen; Nilssen, Robert. (2021) 118 privatfly ankom klimatoppmøtet. Dette skal til for at de skal bli elektriske. Aftenposten Aftenposten [Newspaper] 2021-11-07

2017

  • Academic lecture
    Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert; Nilsen, Roy; Besnerais, Jean Le; Devillers, Emile. (2017) Analysis of magnetic forces and vibration in a converter-fed synchronous hydrogenerator . IEEE 2017 IEEE Energy Conversion Congress and Exposition (ECCE) , Cincinnati, Ohio 2017-10-01 - 2017-10-05
  • Academic lecture
    Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2017) Analysis of Magnetic Field and Radial Force Harmonics in a Hydrogenerator Connected to a Three-Level NPC Converter . IEEE IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society , Bejing 2017-10-29 - 2017-11-01

2014

  • Lecture
    Matveev, Alexey; Valavi, Mostafa; Nysveen, Arne; Nilssen, Robert. (2014) Permanent Magnet Generator with Three Stators for Renewable Energy Converters. IEEE IEEE International Magnetics Conference (INTERMAG 2014) , Dresden 2014-05-04 - 2014-05-08

2013

  • Lecture
    Zhang, Zhaoqiang; Matveev, Alexey; Nilssen, Robert; Nysveen, Arne. (2013) Ironless multi-stage axial-flux permanent magnet generator for offshore wind power application. 12th Joint MMM/Intermag Conference 2013-01-14 - 2013-01-18

2012

  • Academic lecture
    Zhang, Zhaoqiang; Matveev, Alexey; Nilssen, Robert; Nysveen, Arne. (2012) Efficiency Calculation and Improvement of a Large-diameter Ironless Permanent Magnet Generator. ICEMS2012-International Conference on Electrical Machines and Systems 2012-10-21 - 2012-10-24

2009

  • Academic lecture
    Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert. (2009) Oscillatory Motion Application of Tubular Linear Permanent Magnet machine. IEEE 2009 IECON 09 , Porto 2009-11-03 - 2009-11-05
  • Academic lecture
    Zhang, Shujun; Norum, Lars Einar; Nilssen, Robert. (2009) Analysis of Tubular Linear Permanent Magnet Motor for Drilling Application. EPECS EPECS 09 , American universityof Sharjah 2009-11-10 - 2009-11-12
  • Academic lecture
    Chen, Anyuan; Rotevatn, Njål; Nilssen, Robert; Nysveen, Arne. (2009) Characteristic Investigations of a New Three-Phase Flux-Switching Permanent Magnet Machine by FEM Simulations and Experimental Verification. ICEMS ICEMS 2009 , Tokyo 2009-11-15 - 2009-11-18

2008

  • Academic lecture
    Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, J. E.. (2008) Applications of Linear Permanent Magnet Actuators in Offshore Applications. WSEAS WSEAS 2008 , Trondheim, Norway 2008-07-02 - 2008-07-04
  • Academic lecture
    Ummaneni, Ravindra Babu; Brennvall, Jon Eirik; Nilssen, Robert. (2008) Convert Low Frequency Energy from Wave Power Plant to High Frequency Energy in Linear Electrical Generator with Gas Springs. POWERCON2008 & 2008 IEEE Power India Conference 2008 IEEE Power India Conference , New Delhi 2008-10-12 - 2008-10-15
  • Academic lecture
    Chen, Anyuan; Nilssen, Robert; Nysveen, Arne. (2008) Harmonic Analysis and Comparison of the Back EMFs of Four Permanent Magnet Machine with Different Winding Arrangements. ICEMS2008 ICEMS2008 , Wuhan, Kina 2008-10-17 - 2008-10-20
  • Academic lecture
    Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, J.E.. (2008) Demonstration Model of a Linear Permanent Magnet Actuator with Gas Springs. Associacao Portugueasa Para Desenvolvimento ICEM'08 , Vilamoura 2008-09-06 - 2008-09-09
  • Poster
    Chen, Anyuan; Ummaneni, Ravindra Babu; Nilssen, Robert; Nysveen, Arne. (2008) Review of Electrical Machine in Downhole Applications and the Advantages. EPE-PEMC 2008 EPE-PEMC 2008 , Poznan, Polen 2008-09-01 - 2008-09-03

2007

  • Academic lecture
    Ummaneni, Ravindra Babu; Nilssen, Robert; Brennvall, J.E.. (2007) Force analysis in Design of High Power Linear Permanent Magnet Actuator with Gas Springs in Drilling Applications. IEMDC 2007, Turkey IEMDC 2007 , Antalya 2007-05-03 - 2007-05-05
  • Popular scientific lecture
    Moe, Geir; Gether, Harald; Nilssen, Robert; Undeland, Tore Marvin. (2007) Storskala havbasert generering av elektrisk kraft. Fagforbundet, LO Norsk industriell og bærekraftig fremtid , Oslo 2007-04-27 -
  • Popular scientific lecture
    Gether, Harald; Moe, Geir; Nilssen, Robert; Undeland, Tore Marvin; Nielsen, Kai Olav; Karstad, Per Ivar. (2007) Ren energi til ren industri. Dep Invitert møte i for departementene (OED, ND, MD) , Oslo 2007-06-12 -

2006

  • Academic lecture
    Krøvel, Øystein; Nilssen, Robert. (2006) Design and Measurement on a Small Radial Flux Permanent Magnet Generator with Concentrated Coils. COMSOL AB COMSOL Conference 2006 2006-11-01 - 2006-11-02
  • Academic lecture
    Ummaneni, Ravindra Babu; Brennvall, J.E.; Nilssen, Robert. (2006) Concept of Linear Permanent Magnet Actuator with Gas Springs in Drilling Applications. ICEMS 2006 The 2006 International Conference on Electrical Machines and Systems , Nagasaki 2006-11-20 - 2006-11-23
  • Poster
    Skaar, Stev Erlend; Krøvel, Øystein; Nilssen, Robert. (2006) Distribution, Coil-span and Winding Factors for PM Machines with Concentrated Windings. The 17th International Conference on Electrical Machines ICEM 2006 , Crete 2006-09-02 - 2006-09-05

2005

  • Poster
    Nilssen, Robert; Skaar, Stev Erlend; Lund, Richard; Skjellnes, Tore; Øvrebø, Sigurd; Løvli, Edgar. (2005) Design of a Permanent Magnet Synchronous Motor Integrated in the Wheel Rim on Wheelchairs. EPE 2005 , Dresden 2005-09-10 - 2005-09-15

2004

  • Academic lecture
    Skaar, Stev Erlend; Nilssen, Robert. (2004) Genetic Optimization of Electric Machines, a State of the Art Study. NTNU, Inst. for elkraftteknikk, Energiomforming NORPIE 2004 , NTNU, Trondheim 2004-06-14 - 2004-06-16
  • Poster
    Krøvel, Øystein; Nilssen, Robert; Nysveen, Arne. (2004) A Study of the Research Activity in the Nordic Countries on Large Permanent Magnet Synchronous Machines. NTNU, Insitutt for elkraftteknikk, Energiomforming NORPIE 2004 , NTNU, Trondheim 2004-06-14 - 2004-06-16
  • Poster
    Hoff, Erik; Brennvall, J. E.; Nilssen, Robert; Norum, Lars Einar. (2004) High Power Linear Electric Machine - made Possible by Gas Springs. NTNU, Inst. for elkraftteknikk, Energiomforming NORPIE 2004 , NTNU, Trondheim 2004-06-14 - 2004-06-16
  • Poster
    Øvrebø, Sigurd; Nilssen, Robert; Nilsen, Roy. (2004) High Frequency Flux Distribution in Permanent Magnet Synchronous Machines. NTNU, Inst.itutt for elkraftteknikk, energiomforming NORPIE 2004 , NTNU, Trondheim 2004-06-14 - 2004-06-16
  • Poster
    Øvrebø, Sigurd; Nilsen, Roy; Nilssen, Robert. (2004) Saliency Modeling in Radial Flux Permanent Magnet Synchronous Machines. NTNU, Institutt for elkraftteknikk, Energiomforming NORPIE 2004 , NTNU, Trondheim 2004-06-14 - 2004-06-16
  • Poster
    Krøvel, Øystein; Nilssen, Robert; Skaar, Stev Erlend. (2004) Design of an Integrated 100kW Permanent Magnet Synchronous Machine in a Prototype Thruster for Ship Propulsion. Technical University of Lodz, Poland ICEM 2004 , Cracow 2004-09-05 - 2004-09-08

2003

  • Academic lecture
    Skaar, Stev Erlend; Krøvel, Øystein; Nilssen, Robert; Erstad, Holger. (2003) Slotless, Toroidal Wound, Axially-Magnetized Permanent Magnet Generator for Small Wind Turbine Systems. The 2003 Australasian Universities Power Engineering Conference - AUPEC 2003 , New Zealand 2003-10-01 -
  • Academic lecture
    Kvåle, Lars Ottar; Øvrebø, Sigurd; Nilssen, Robert. (2003) Identifying Magnetic Saliency with the Finite Element Method. The Nordic MATLAB Conference 2003 , København, Danmark 2003-10-22 -
  • Academic lecture
    Matveev, Alexei; Kuzmichev, Vladimir; Nilssen, Robert; Undeland, Tore Marvin. (2003) Two Approaches for Modeling of Switched Reluctance Drives. The 10th European Conference on Power Electronics and Applications - EPE 2003 , Toulouse, France 2003-09-04 -

2002

  • Academic lecture
    Matveev, Alexei; Undeland, Tore Marvin; Nilssen, Robert. (2002) Design optimization of switched reluctance drives using artificial neural networks. EPE-PEMC 2002 , Dubrovnik, Croatia 2002-09-11 -

2001

  • Academic lecture
    Matveev, Alexei; Nilssen, Robert; Undeland, Tore Marvin; Hartmann, Christian Magnus. (2001) Teaching magnetic design optimisation using computer tools to visualize the process. 9th European Conference on Power Electronics and Applications , Graz, Austria 2001-08-29 -

1997

  • Academic lecture
    Midtgård, Ole-Morten; Nilssen, Robert; Sande, Gorm. (1997) A new hierarchical basis with a minimum number of unknowns on a mesh of hexahedra for the T-_C edge element eddy current method. 11th Conference on the Computation of Electromagnetic Fields , Rio de Janeiro
  • Academic lecture
    Midtgård, Ole-Morten; Nilssen, Robert. (1997) Efficient trees for edge element T-_C eddy current formulation including voltage- and current forced conductors. 11th Conference on the Computation of Electromagnetic Fields , Rio de Janeiro

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