Ara es mostren els items 1-20 de 33

    • 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)
      Comunicació de congrés
      Accés obert
      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 modulation strategy to operate multilevel multiphase diode-clamped and active-clamped DC-AC converters at low frequency modulation indices with DC-link capacitor voltage balance 

      Busquets Monge, Sergio; Filbà Martínez, Àlber; Alepuz Menéndez, Salvador; Calle Prado, Alejandro (2017-10-01)
      Article
      Accés obert
      This paper proposes a modulation strategy for multilevel multiphase diode-clamped dc–ac converters (also applicable to other functionally equivalent topologies) able to keep the dc-link capacitor voltages balanced under ...
    • A novel bidirectional multilevel boost-buck dc-dc converter 

      Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Bordonau Farrerons, José (2009-09)
      Comunicació de congrés
      Accés obert
      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 ...
    • A survey on capacitor voltage control in neutral-point-clamped multilevel converters 

      Alepuz Menéndez, Salvador; Busquets Monge, Sergio; Nicolás Apruzzese, Joan; Filbà Martínez, Àlber; Bordonau Farrerons, José; Yuan, Xiaoyan; Kouro, Samir (2022-02-10)
      Article
      Accés obert
      Neutral-point-clamped multilevel converters are currently a suitable solution for a wide range of applications. It is well known that the capacitor voltage balance is a major issue for this topology. In this paper, a brief ...
    • Active thermal control in neutral-point-clamped multilevel converters based on switching-cell arrays 

      Alepuz Menéndez, Salvador; Nicolás Apruzzese, Joan; Rafiezadeh, Roya; Busquets Monge, Sergio; Raya, Mariana; Filbà Martínez, Àlber (2023-09-27)
      Article
      Accés obert
      Neutral-point-clamped multilevel converters are a suitable solution to the implementation of low–medium voltage and power applications at present, thanks to their intrinsic superior voltage and current quality. The ...
    • An intelligent electronic fuse for selective isolation of faulty switching cells in power electronic converter legs to guarantee continuous operation 

      Filba Martínez, Àlber; Busquets Monge, Sergio; Alepuz Menéndez, Salvador; García Rojas, Gabriel; Luque Acera, Adrià; Bordonau Farrerons, José (Institute of Electrical and Electronics Engineers (IEEE), 2022-06-15)
      Article
      Accés obert
      This article proposes a novel device designated as an intelligent electronic fuse (iFuse) intended to be connected in series with any current-bidirectional voltage-unidirectional active switch present in a power converter. ...
    • 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 ...
    • Benefits of finer semiconductor device granularity on power converter thermal stress and MTTF 

      Rafiezadeh, Roya; Busquets Monge, Sergio; Alepuz Menéndez, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This article explores the thermal and reliability benefits of configuring the power semiconductor block of power converters with several small standard power semiconductor devices instead of a few larger ones at a fixed ...
    • Comparison of modulations and dc-link balance control strategies for a multibattery charger system based on a three-level dual-active-bridge power converter, 

      Campos Salazar, José Manuel; Busquets Monge, Sergio; Filbà Martínez, Àlber; Alepuz Menéndez, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      This paper focuses on the study of a charger for two batteries connected in series. From the three-phase grid, the batteries are charged through a three-level neutral-point-clamped (NPC) ac-dc converter in cascade with a ...
    • 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)
      Comunicació de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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
      Accés obert
      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, ...
    • Design optimization of switching-cell-array-based power converters 

      Rafiezadeh, Roya; Busquets Monge, Sergio; Alepuz Menéndez, Salvador (2022)
      Text en actes de congrés
      Accés obert
      With the aim to increase standardization, reduce the cost, and obtain advanced performance features, the design of voltage-source power converter legs can be undertaken by combining several instances of a standard switching ...
    • 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 ...
    • Electric vehicle powertrains with modular battery banks tied to multilevel NPC inverters 

      Busquets Monge, Sergio; Alepuz Menéndez, Salvador; García Rojas, Gabriel; Bordonau Farrerons, José (2023-01-01)
      Article
      Accés obert
      Nowadays, the internal combustion engine in vehicles is being replaced by electric motors, giving way to the electric vehicle, which results in reduced environmental impact, higher efficiency and lower emission of greenhouse ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...
    • Fast Reliability Assessment of Neutral-Point-Clamped Topologies through Markov Models 

      Busquets Monge, Sergio; Rafiezadeh, Roya; Alepuz Menéndez, Salvador; Filbà Martínez, Àlber; Nicolás Apruzzese, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2021-12-01)
      Article
      Accés obert
      This article presents detailed Markov models for the reliability assessment of multilevel neutral-point-clamped (NPC) converter leg topologies, incorporating their inherent fault-tolerance under open-circuit switch faults. ...
    • 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)
      Text en actes de congrés
      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 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)
      Text en actes de congrés
      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 applications. ...
    • 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 ...