Exploració per autor "Munk-Nielsen, Stig"
Ara es mostren els items 1-13 de 13
-
A carrier based approach for overmodulation of three-level neutral point clamped inverter with zero neutral-point current
Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn a voltage source inverter, overmodulation is required to extend the range of operation and enhance the dclink voltage utilization. A carrier-based implementation of a modulation strategy for the three-level ... -
A single leg switched PWM method for three-phase H-bridge voltage source converters
Senturk, Osman S.; Munk-Nielsen, Stig; Teodorescu, Remus; Helle, Lars; Rodríguez Cortés, Pedro (2009)
Comunicació de congrés
Accés obertThis paper proposes a single leg switched or a hybrid PWM (HPWM) method for three-phase three-level HBridge Voltage Source Converters (3L-HB-VSCs). By means of the proposed modulation, a 3L-HB-VSC can generate the ... -
Converter structure-based power loss and static thermal modeling of the press-pack IGBT three-level ANPC VSC applied to multi-MW wind turbines
Senturk, Osman S.; Helle, Lars; Munk-Nielsen, Stig; Rodríguez Cortés, Pedro; Teodorescu, Remus (2011-09-19)
Article
Accés restringit per política de l'editorialWind turbine converters demand high power density due to nacelle space limitation and high reliability due to high maintenance cost. Depending on the converter structure, the converter thermal performance determines the ... -
Converter structure-based power loss and static thermal modeling of the press-pack IGBT-based three-level ANPC and HB VSCs applied to Multi-MW wind turbines
Senturk, Osman S.; Helle, L; Munk-Nielsen, Stig; Rodríguez Cortés, Pedro; Teodorescu, Remus (2010)
Text en actes de congrés
Accés obertIn this study, the converter-structure based power loss and thermal models are developed for the medium voltage full-scale 3LANPC- VSC and 3L-HB-VSC utilizing press-pack IGBT-diode pairs and interfacing a 6MW wind ... -
Design of neutral-point voltage controller of a three-level NPC inverter with small DC-link capacitors
Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (IEEE Press. Institute of Electrical and Electronics Engineers, 2013)
Article
Accés restringit per política de l'editorialA neutral-point-clamped three-level inverter with small dc-link capacitors is presented in this paper. The inverter requires zero average neutral-point current for stable neutral–point voltage. The small dc-link capacitors ... -
Electro-thermal modeling for junction temperature cycling-based lifetime prediction of a press-pack IGBT 3L-NPC-VSC applied to large wind turbines
Senturk, Osman S.; Munk-Nielsen, Stig; Teodorescu, Remus; Helle, L.; Rodríguez Cortés, Pedro (IEEE, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialReliability is a critical criterion for multi-MW wind turbines, which are being employed with increasing numbers in wind power plants, since they operate under harsh conditions and have high maintenance cost due to their ... -
EMI performance comparison of two-level and three-level inverters in small dc-link capacitors based motor drives
Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe size of passive components in an adjustable speed drive can be reduced by using small dc-link capacitors. The EMI filter in the drive also consists of passive components. The size of the filter can be reduced by using ... -
Medium voltage three-level converters for the grid connection of a multi-MW wind turbine
Senturk, Osman S.; Helle, Lars; Munk-Nielsen, Stig; Rodríguez Cortés, Pedro; Teodorescu, Remus (2009)
Comunicació de congrés
Accés obertThree-level (3L) neutral point clamped (NPC), flying capacitor (FC), and H-bridge (HB) voltage source converters (VSCs) as a grid-side full-scale medium voltage (MV) converter are modeled, controlled, and simulated for ... -
Neutral-point current modeling and control for neutral-point clamped three-level converter drive with small DC-link capacitor
Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialA Neutral-Point-Clamped (NPC) three-level inverter with small DC-link capacitors is presented in this paper. This inverter requires zero average neutral-point current for stable neutral-point potential. A simple ... -
Neutral-point voltage dynamic model of three-level NPC inverter for reactive load
Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialA three-level neutral-point-c1amped inverter needs a controller for the neutral-point voltage. Typically, the controller design is based on a dynamic model. The dynamic model of the neutral-point voltage depends on the ... -
Overmodulation of n-level three-leg DC-AC diode-clamped converters with comprehensive capacitor voltage balance
Busquets Monge, Sergio; Maheshwari, RamKrishan; Munk-Nielsen, Stig (IEEE Press. Institute of Electrical and Electronics Engineers, 2013-05)
Article
Accés restringit per política de l'editorialThis paper presents a novel pulsewidth modulation (PWM) strategy for n-level three-leg semiconductor-clamped dc–ac converters in the overmodulation region, with dc-link capacitor voltage balance in every switching cycle. ... -
Power capability investigation based on electrothermal models of press-pack IGBT three-level NPC and ANPC VSCs for multimegawatt wind turbines
Senturk, Osman S.; Helle, Lars; Rodríguez Cortés, Pedro; Munk-Nielsen, Stig; Teodorescu, Remus (2012-07)
Article
Accés restringit per política de l'editorialWind turbine power capability is an essential set of data for both wind turbine manufacturers/operators and transmission system operators since the power capability determines whether a wind turbine is able to fulfill ... -
Power density investigation on the press-pack IGBT 3L-HB-VSCs applied to large wind turbines
Senturk, Osman S.; Munk-Nielsen, Stig; Teodorescu, Remus; Helle, L.; Rodríguez Cortés, Pedro (IEEE, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialWith three different DC-side and AC-side connections, the three-level H-bridge voltage source converters (3L-HB-VSCs) are alternatives to 3L neutral-point-clamped VSCs (3L-NPC-VSCs) for interfacing large wind turbines ...