Now showing items 1-19 of 19

  • 2 transistors + 2 diodes-based PEBB designed for general applications in power electronics 

    Nicolás Apruzzese, Joan; Rocabert Delgado, Joan; Bordonau Farrerons, José; Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Martínez Velasco, Juan Antonio; Peracaula Roura, Joan (2009)
    Conference lecture
    Open Access
    This paper presents a new Power Electronic Building Block (PEBB) designed to facilitate the implementation of different power converter topologies. The proposed PEBB consists of two diodes and two transistors and it can ...
  • A novel bidirectional multilevel boost-buck dc-dc converter 

    Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Bordonau Farrerons, José (2009-09)
    Conference lecture
    Open Access
    A novel noninverting boost-buck dc-dc converter topology is presented, applicable when both sides of the converter need to have the same grounding. It is based on the back-to-back connection of two n-level diode-clamped ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • Control methods for low voltage ride-through compliance in grid-connected NPC converter based wind power systems using predictive control 

    Alepuz Menéndez, Salvador; Busquets Monge, Sergio; Bordonau Farrerons, José; Cortés, Patricio; Kouro, Samir (2009-09)
    Conference lecture
    Open Access
    In presence of grid voltage dips, Low Voltage Ride-Through (LVRT) requirements demand the wind power plant to remain connected to the grid, helping the network to keep voltage and frequency stable. Neutral-Point-Clamped (NPC) ...
  • Control scheme for low voltage ride-through compliance in back-to-back NPC converter based wind power systems 

    Alepuz Menéndez, Salvador; Calle Prado, Alejandro; Busquets Monge, Sergio; Bordonau Farrerons, José; Kouro, Samir; Wu, Bin (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference report
    Open Access
    The increasing influence of wind power in the power system operation has caused the power system operators to include wind power plants in the control of the overall power system, both in steady-state and transient ...
  • Control strategies based on symmetrical components for grid-connected converters under voltage dips 

    Alepuz Menéndez, Salvador; Busquets Monge, Sergio; Bordonau Farrerons, José; Martínez Velasco, Juan Antonio; Silva, César A.; Pontt, Jorge; Rodríguez, José (2009-06)
    Article
    Open Access
    Low-voltage ride-through (LVRT) requirements demand wind-power plants to remain connected to the network in presence of grid-voltage dips. Most dips present positive-, negative-, and zero-sequence components. Hence, ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • Experimental efficiency comparison between a four-level active-clamped and a two-level topology 

    Nicolás Apruzzese, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Calle Prado, Alejandro; Filbà Martínez, Àlber (2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents an efficiency analysis of a recently-published topology, the multilevel-active-clamped (MAC) topology. In order to assess the MAC topology, an efficiency comparison between a four-level MAC leg and a ...
  • Fault-tolerance capacity of the multilevel active clamped topology 

    Nicolás Apruzzese, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Calle Prado, Alejandro (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    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 applications. ...
  • Fault-tolerance capacity of the multilevel active-clamped topology 

    Nicolás Apruzzese, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Calle Prado, Alejandro (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Conference report
    Restricted access - publisher's policy
    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 applications. ...
  • Multilevel direct power control-A generalized approach for grid-tied multilevel converter applications 

    Rivera, Sebastian; Kouro, Samir; Wu, Bin; Alepuz Menéndez, Salvador; Malinowski, Mariusz; Cortés, Patricio; Rodriguez, José (2014-10-01)
    Article
    Restricted access - publisher's policy
    This paper presents a generalized multilevel direct power control (ML-DPC) scheme for grid-connected multilevel power converters. The proposed method extends the original DPC operating principle by considering only the ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • Predictive current control of a back-to-back NPC wind energy conversion system to meet low voltage ride-through requirements 

    Alepuz Menéndez, Salvador; Calle Prado, Alejandro; Busquets Monge, Sergio; Nicolás Apruzzese, Joan; Bordonau Farrerons, José (2013)
    Conference report
    Restricted access - publisher's policy
    Predictive current control is applied to a wind energy conversion system implemented with a permanent-magnet synchronous generator connected to the grid through a back-toback neutral-point-clamped converter. This control ...
  • Pulsewidth modulations for the comprehensive capacitor voltage balance of diode-clamped multilevel converters 

    Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Rocabert Delgado, Joan; Bordonau Farrerons, José (2009)
    Conference lecture
    Restricted access - publisher's policy
    In the previous literature, the introduction of the virtual space vector concept for the three-level three-leg neutral-point-clamped converter has led to the definition of pulsewidth modulation (PWM) strategies guaranteeing ...
  • Pulsewidth modulations for the comprehensive capacitor voltage balance of n-level three-leg diode-clamped converters 

    Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Rocabert Delgado, Joan; Bordonau Farrerons, José (2009-05)
    Article
    Open Access
    In the previous literature, the introduction of the virtual-space-vector (VV) concept for the three-level, three-leg neutral-point-clamped converter has led to the definition of pulsewidth modulation (PWM) strategies, ...
  • Pulsewidth modulations for the comprehensive capacitor voltage balance of n-level two-leg diode-clamped converters 

    Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Rocabert Delgado, Joan; Bordonau Farrerons, José (2009-08)
    Article
    Restricted access - author's decision
    In the previous literature, the introduction of the virtual space vector concept for the three-level three-leg neutral-point-clamped converter has led to the definition of pulsewidth modulation (PWM) strategies guaranteeing ...
  • Solid state transformer with low-voltage ride-through and current unbalance management capabilities 

    Alepuz Menéndez, Salvador; González, Francisco; Martín-Arnedo, Jacinto; Martínez Velasco, Juan Antonio (2013)
    Conference report
    Restricted access - publisher's policy
    The solid state transformer is an emerging technology which aims at replacing the conventional lowfrequency power transformer by means of a high-frequency transformer driven by a proper AC/AC power electronics conversion ...
  • Three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator 

    Calle Prado, Alejandro; Rocabert Delgado, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Peracaula Roura, Joan (2009)
    Conference lecture
    Open Access
    This paper presents a three-level three- phase neutral-point-clamped back-to-back converter applied to a wind emulator, where a wind power generator is connected to the grid through the back-to-back converter. The converter ...
  • Three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator 

    Calle Prado, Alejandro; Rocabert Delgado, Joan; Busquets Monge, Sergio; Bordonau Farrerons, José; Alepuz Menéndez, Salvador; Peracaula Roura, Joan (2009-09)
    Conference lecture
    Open Access
    This paper presents a three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator, where a wind power generator is connected to the grid through the back-to-back converter. The converter ...