Roy Nilsen

Journal publications

• Gjerde, Sverre Skalleberg; Ljøkelsøy, Kjell; Nilsen, Roy; Undeland, Tore Marvin. (2014) A modular series connected converter structure suitable for a high-voltage direct current transformerless offshore wind turbine. Wind Energy. vol. 17 (12).
• Tamrakar, I; Shilpakar, LB; Fernandes, BG; Nilsen, Roy. (2007) Voltage and frequency control of parallel operated synchronous generator and induction generator with STATCOM in micro hydro scheme. IET Generation, Transmission & Distribution. vol. 1.

Part of book/report

• 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 12th European Conference on Power Electronics and Applications.

Others

• 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.