Design, control, and application of modular multilevel converters for HVDC transmission systems K Sharifabadi, L Harnefors, HP Nee, S Norrga, R Teodorescu John Wiley & Sons, 2016 | 786 | 2016 |
Dynamic analysis of modular multilevel converters L Harnefors, A Antonopoulos, S Norrga, L Angquist, HP Nee IEEE Transactions on Industrial Electronics 60 (7), 2526-2537, 2012 | 715 | 2012 |
Steady-state analysis of interaction between harmonic components of arm and line quantities of modular multilevel converters K Ilves, A Antonopoulos, S Norrga, HP Nee IEEE transactions on power electronics 27 (1), 57-68, 2011 | 695 | 2011 |
A new modulation method for the modular multilevel converter allowing fundamental switching frequency K Ilves, A Antonopoulos, S Norrga, HP Nee IEEE Transactions on power electronics 27 (8), 3482-3494, 2012 | 435 | 2012 |
Modular multilevel converter ac motor drives with constant torque from zero to nominal speed A Antonopoulos, L Ängquist, S Norrga, K Ilves, L Harnefors, HP Nee IEEE Transactions on Industry Applications 50 (3), 1982-1993, 2013 | 388 | 2013 |
On energy storage requirements in modular multilevel converters K Ilves, S Norrga, L Harnefors, HP Nee IEEE transactions on power electronics 29 (1), 77-88, 2013 | 381 | 2013 |
Analysis and operation of modular multilevel converters with phase-shifted carrier PWM K Ilves, L Harnefors, S Norrga, HP Nee IEEE Transactions on Power Electronics 30 (1), 268-283, 2014 | 262 | 2014 |
Grid integration aspects of large solar PV installations: LVRT capability and reactive power/voltage support requirements A Marinopoulos, F Papandrea, M Reza, S Norrga, F Spertino, R Napoli 2011 IEEE Trondheim PowerTech, 1-8, 2011 | 216 | 2011 |
Predictive sorting algorithm for modular multilevel converters minimizing the spread in the submodule capacitor voltages K Ilves, L Harnefors, S Norrga, HP Nee IEEE Transactions on power electronics 30 (1), 440-449, 2014 | 194 | 2014 |
Tolerance band modulation methods for modular multilevel converters A Hassanpoor, L Ängquist, S Norrga, K Ilves, HP Nee IEEE Transactions on power electronics 30 (1), 311-326, 2014 | 192 | 2014 |
Loss comparison of different sub-module implementations for modular multilevel converters in HVDC applications T Modeer, HP Nee, S Norrga EPE Journal 22 (3), 32-38, 2012 | 171 | 2012 |
Evaluation of different carrier-based PWM methods for modular multilevel converters for HVDC application A Hassanpoor, S Norrga, HP Nee, L Ängquist IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society …, 2012 | 169 | 2012 |
A new HVDC grid test system for HVDC grid dynamics and protection studies in EMT-type software W Leterme, N Ahmed, J Beerten, L Ängquist, D Van Hertem, S Norrga 11th IET International Conference on AC and DC Power Transmission, 1-7, 2015 | 163 | 2015 |
HVDC SuperGrids with modular multilevel converters—The power transmission backbone of the future N Ahmed, S Norrga, HP Nee, A Haider, D Van Hertem, L Zhang, ... International Multi-Conference on Systems, Signals & Devices, 1-7, 2012 | 139 | 2012 |
Efficient modeling of an MMC-based multiterminal DC system employing hybrid HVDC breakers N Ahmed, L Ängquist, S Mahmood, A Antonopoulos, L Harnefors, ... IEEE Transactions on Power Delivery 30 (4), 1792-1801, 2015 | 134 | 2015 |
Capacitor voltage ripple shaping in modular multilevel converters allowing for operating region extension K Ilves, A Antonopoulos, L Harnefors, S Norrga, L Ängquist, HP Nee IECON 2011-37th Annual Conference of the IEEE Industrial Electronics Society …, 2011 | 126 | 2011 |
A submodule implementation for parallel connection of capacitors in modular multilevel converters K Ilves, F Taffner, S Norrga, A Antonopoulos, L Harnefors, HP Nee IEEE Transactions on Power Electronics 30 (7), 3518-3527, 2014 | 117 | 2014 |
A computationally efficient continuous model for the modular multilevel converter N Ahmed, L Ängquist, S Norrga, A Antonopoulos, L Harnefors, HP Nee IEEE Journal of Emerging and Selected Topics in Power Electronics 2 (4 …, 2014 | 111 | 2014 |
Experimental study of a soft-switched isolated bidirectional AC–DC converter without auxiliary circuit S Norrga IEEE transactions on power electronics 21 (6), 1580-1587, 2006 | 109 | 2006 |
Apparatus and a method for voltage conversion S Norrga US Patent 6,507,503, 2003 | 108 | 2003 |