Enviaments recents

  • Predictive control of a back-to-back NPC converter-based wind power system 

    Calle Prado, Alejandro; Alepuz Menéndez, Salvador; Bordonau Farrerons, José; Cortés, Patricio; Rodriguez, Jose (Institute of Electrical and Electronics Engineers (IEEE), 2016-07-01)
    Article
    Accés obert
    As wind power technology points to increase power ratings, the implementation based on a permanent-magnet synchronous generator (PMSG) with a full-power converter is expanding its market share. Multilevel converters, as ...
  • Decoupled DC-Link capacitor voltage control of DC-AC multilevel multileg converters 

    Busquets Monge, Sergio; Griñó Cubero, Robert; Nicolás Apruzzese, Joan; Bordonau Farrerons, José (Institute of Electrical and Electronics Engineers (IEEE), 2015-10-27)
    Article
    Accés obert
    This paper studies the coupling between the capacitor voltage control loops of diode-clamped (or functionally equivalent) multilevel multileg (multiphase) dc-ac converters. From a complete model of the plant revealing the ...
  • Operating Principle and Performance Optimization of a Three-Level NPC Dual-Active-Bridge DC-DC Converter 

    Filbà Martínez, Àlber; Busquets Monge, Sergio; Nicolás Apruzzese, Joan; Bordonau Farrerons, José (Institute of Electrical and Electronics Engineers (IEEE), 2015-09-23)
    Article
    Accés obert
    © 1982-2012 IEEE. Aiming to improve the performance features of conventional two-level dual-active-bridge (DAB) converters, this paper presents a three-level neutral-point-clamped (NPC) DAB dc-dc converter. A general ...
  • Model predictive current control of grid-connected neutral-point-clamped converters to meet low-voltage ride-through requirements 

    Calle Prado, Alejandro; Alepuz Menéndez, Salvador; Bordonau Farrerons, José; Nicolás Apruzzese, Joan; Cortés, Patricio; Rodríguez Pérez, José (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
    Article
    Accés obert
    The low-voltage ride through (LVRT) requirement demands the wind power plants to remain connected to the grid in the presence of grid voltage dips, actively helping the network overall control to keep network voltage and ...
  • Enhanced DC-Link Capacitor Voltage Balancing Control of DC-AC Multilevel Multileg Converters 

    Busquets Monge, Sergio; Maheshwari, RamKrishan; Nicolás Apruzzese, Joan; Lupón Roses, Emilio; Munk Nielsen, Stig; Bordonau Farrerons, José (Institute of Electrical and Electronics Engineers (IEEE), 2015-05-01)
    Article
    Accés restringit per política de l'editorial
    This paper presents a capacitor voltage balancing control applicable to any multilevel dc-ac converter formed by a single set of series-connected capacitors implementing the dc link and semiconductor devices, such as the ...
  • Dynamic average modeling of a bidirectional solid state transformer for feasibility studies and real-time implementation 

    Martínez Velasco, Juan Antonio; Alepuz Menéndez, Salvador; Gonzalez Molina, Francisco; Martín Arnedo, Jacinto (2014-12-01)
    Article
    Accés restringit per política de l'editorial
    Detailed switching models of power electronics devices often lead to long computing times, limiting the size of the system to be simulated. This drawback is especially important when the goal is to implement the model in ...
  • Predictive control for low-voltage ride-through enhancement of three-level-boost and NPC-converter-based PMSG wind turbine 

    Yaramasu, Venkata; Wu, Bin; Alepuz Menéndez, Salvador; Kouro, Samir (Institute of Electrical and Electronics Engineers (IEEE), 2014-12-01)
    Article
    Accés restringit per política de l'editorial
    In this paper, a predictive control scheme is proposed for the low-voltage ride-through (LVRT) enhancement of direct-driven permanent-magnet-synchronous-generator-based megawatt-level wind turbines. The proposed method ...
  • FPGA implementation of a PWM for a three-phase DC-AC multilevel active-clamped converter 

    Lupón Roses, Emilio; Busquets Monge, Sergio; Nicolás Apruzzese, Joan (2014-05)
    Article
    Accés restringit per política de l'editorial
    With the aim to implement a suitable controller for a three-phase dc-ac multilevel active-clamped converter to enable its use in practice, and as a first step toward a full closed-loop converter control implementation into ...
  • Electrical PV array reconfiguration strategy for energy extraction improvement in grid-connected PV systems 

    Velasco Quesada, Guillermo; Guinjoan Gispert, Francisco; Piqué López, Robert; Román Lumbreras, Manuel; Alfonso, Conesa (Institute of Electrical and Electronics Engineers (IEEE), 2009-11)
    Article
    Accés obert
    This paper applies a dynamical electrical array reconfiguration (EAR) strategy on the photovoltaic (PV) generator of a grid-connected PV system based on a plant-oriented configuration, in order to improve its energy ...
  • Analysis of the fault-tolerance capacity of the multilevel active-clamped converter 

    Nicolás Apruzzese, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Calle Prado, Alejandro (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Article
    Accés restringit per política de l'editorial
    Thanks to the inherent redundancy to generate the different output voltage levels, the multilevel active-clamped (MAC) topology presents an important fault-tolerance ability which makes it interesting for several ...

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