Background and activities

Scientific, academic and artistic work

Displaying a selection of activities. See all publications in the database

Journal publications

Part of book/report

Others

  • Perera, Aravinda; Nilsen, Roy. (2020) A Method Based on Prediction-Error-Gradients to Estimate PMSM Parameters Online. IEEE IAS Annual Meeting ; 2020-10-11 - 2020-10-15.
  • Perera, Aravinda; Nilsen, Roy. (2020) Gauss-Newton: A Prediction-Error-Gradient based Algorithm to Track PMSM Parameters Online. IEEE Power Electronics, Drives and Energy Systems (PEDES) ; 2020-12-16 - 2020-12-19.
  • Perera, Aravinda; Nilsen, Roy. (2018) Electric motor drive system for highly reliable and productive mining machines for deep-sea. Underwater Mining Conference . International Marine Minerals Society (IMMS); Bergen. 2018-09-10 - 2018-09-14.
  • 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. 2017 IEEE Energy Conversion Congress and Exposition (ECCE) . IEEE; Cincinnati, Ohio. 2017-10-01 - 2017-10-05.
  • Gullvik, William; Norum, Lars Einar; Nilsen, Roy. (2007) Active Damping of Resonance Oscillations in LCL-Filters Based on Virtual Flux and Virtual Resistor. EPE 2007 - the 12th European Conference on Power Electronics and Applicartions . EPE Association; Ålborg. 2007-09-02 - 2007-09-05.
  • Lund, Richard; Tomta, Gjermund; Nilsen, Roy. (2004) Output Harmonic Losses in Three-level Converters using Sine PWM with 3. Harmonic Injection. NORPIE 2004 . NTNU, Inst. for elkraftteknikk, energiomforming; NTNU, Trondheim. 2004-06-14 - 2004-06-16.
  • Øvrebø, Sigurd; Nilsen, Roy; Nilssen, Robert. (2004) Saliency Modeling in Radial Flux Permanent Magnet Synchronous Machines. NORPIE 2004 . NTNU, Institutt for elkraftteknikk, Energiomforming; NTNU, Trondheim. 2004-06-14 - 2004-06-16.
  • Øvrebø, Sigurd; Nilssen, Robert; Nilsen, Roy. (2004) High Frequency Flux Distribution in Permanent Magnet Synchronous Machines. NORPIE 2004 . NTNU, Inst.itutt for elkraftteknikk, energiomforming; NTNU, Trondheim. 2004-06-14 - 2004-06-16.
  • Lund, Richard; Tomta, Gjermund; Nilsen, Roy. (2003) Analytical Calculations of AC Side Harmonic Losses in Three-Level Converters. The 10th European Conference on Power Electronics and Applications - EPE 2003 . [Mangler data]; Toulouse, France. 2003-09-04.
  • Øvrebø, Sigurd; Nilsen, Roy. (2003) New self sensing scheme based on INFORM, heterodyning and Luenberger observer. The 2003 Australasian Universities Power Engineering Conference - AUPEC 2003 . [Mangler data]; New Zealand. 2003-10-01.
  • Øvrebø, Sigurd; Nilsen, Roy. (2003) New self sensing scheme based on INFORM, heterodyning and Luenberger observer. IEEE International Electric Machines and Drives Conference . [Mangler data]; Madison, Wisconsin, USA. 2003-06-04.
  • Lund, Richard; Beverfjord, Jonas; Øvrebø, Sigurd; Nilsen, Roy. (2002) Analytical power loss expressions for diode clamped converters. EPE-PEMC 2002 . [Mangler data]; Dubrovnik, Croatia. 2002-09-11.
  • Lund, Richard; Tomta, Gjermund; Nilsen, Roy. (2002) Analytical Power Loss Expressions for diode clamped converters. NORPIE 2002 . [Mangler data]; Stockholm, Sweden. 2002-08-14.
  • Tomta, Gjermund; Lund, Richard; Nilsen, Roy. (2002) Calculation of AC side harmonic losses in three-level converters. NORPIE 2002 . [Mangler data]; Stockholm, Sweden. 2002-08-14.
  • Nilsen, Roy; Tomta, Gjermund. (2001) Analytical equations for three level NPC converters. 9th European Conference on Power Electronics and Applications . [Mangler data]; Graz, Austria. 2001-08-29.
  • Edvardsen, P.A.; Nestli, T.F.; Nilsen, Roy; Kolstad, Helge. (1997) Steady-state power flow and efficiency optimizing analysis of a variable speed constant frequency generating system. 7th European Conference on Power Electronics and Applications . [Mangler data]; Trondheim.
  • Melaa, T.; Ådnanes, A.K.; Øye, K.; Nestli, T.F.; Nilsen, Roy; Ranstad, P.. (1997) Evaluation of resonant converters for increased softswitching range. 7th European Conference on Power Electronics and Applications . [Mangler data]; Trondheim.