Ara es mostren els items 95-114 de 130

    • Reactive current injection protocol for low-power rating distributed generation sources under voltage sags 

      Miret Tomàs, Jaume; Camacho Santiago, Antonio; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Hoz Casas, Jordi de la (2015-06-01)
      Article
      Accés obert
      Voltage sags are one of the main problems in transmission and distribution networks. This study proposes a voltage support control scheme for grid-connected low-power rating inverters under voltage sags. Voltage support ...
    • Reactive power control for distributed generation power plants to comply with voltage limits during grid faults 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Guzmán Solà, Ramon; Borrell Sanz, Angel (2014-01-20)
      Article
      Accés obert
      Grid faults are one of the most severe problems for network operation. Distributed generation power plants can help to mitigate the adverse effects of these perturbations by injecting reactive power during the sag and the ...
    • Reactive power control for loss minimization in low-voltage distributed generation systems 

      Martí Colom, Pau; Velasco García, Manel; Torres Martínez, Javier; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Dispersed small distributed generation (DG) systems in low-voltage (LV) grids pose diverse challenges for successful grid operation. The main one is to guarantee power quality by ensuring that voltages along all the feeders ...
    • Reduction of Current Harmonic Distortion in Three-Phase Grid-Connected Photovoltaic Inverters via Resonant Current Control 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Matas Alcalá, José; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
      Article
      Accés obert
      The resonant current control has been extensively employed to reduce the current harmonic distortion in a wide range of grid-connected distributed generation applications, including photovoltaic (PV) inverters, wind and ...
    • Reliability and energy costs analysis of a rural hybrid microgrid using measured data and battery dynamics: a case study in the coast of Perú 

      Canziani Amico, Franco; Vargas, Raúl; Castilla Fernández, Miguel; Miret Tomàs, Jaume (2021-10-06)
      Article
      Accés obert
      Hybrid microgrids constitute a promising solution for filling the electricity access gap that currently exists in rural areas; however, there is still relatively little information about their reliability and costs based ...
    • Remote multi-nodal voltage unbalance compensation in islanded AC microgrids 

      Duarte Mejia, Josue Neftali; Velasco García, Manel; Martí Colom, Pau; Borrell Sanz, Ángel; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2024-03)
      Article
      Accés restringit per política de l'editorial
      Microgrids (MG) are exposed to voltage quality deterioration due to the presence of voltage unbalance. To deal with this problem, existing solutions based on Distributed Generation (DG) units interfaced by power electronics ...
    • Renewables with energy storage: A time-series socioeconomic model for business and welfare analysis 

      Costa, Vinicius; Bonatto, Benedito Donizeti; Zambroni de Souza, Antonio Carlos; Ribeiro, Paulo Fernando; Castilla Fernández, Miguel; Arango, Lucas (Elsevier, 2022-03)
      Article
      Accés restringit per política de l'editorial
      This paper seeks to quantify the effects of the increasing penetration level of renewable distributed generation and energy storage systems on the regulated electricity market over time. More specifically, the emphasis is ...
    • Robust and fast sliding-mode control for a DC-DC current-source parallel-resonant converter 

      Moradi Ghahderijani, Mohammad; Castilla Fernández, Miguel; Momeneh, Arash; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2018-02-20)
      Article
      Accés obert
      Modern DC-DC resonant converters are normally built around a voltage-source series-resonant converter. This study aims to facilitate the practical use of current-source parallel-resonant converters due to their outstanding ...
    • Secondary switched control with no communications for islanded microgrids 

      Rey, Juan M; Martí Colom, Pau; Velasco García, Manel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2017-05-12)
      Article
      Accés obert
      Flexibility and reliability of AC microgrids are enhanced by reducing the dependence on communications in multi-layer hierarchical control. In this sense, this paper presents a secondary control with no communications for ...
    • Selective harmonic-compensation control for single-phase active power filter with high harmonic rejection 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Matas Alcalá, José; Guerrero Zapata, Josep Maria; Vásquez Quintero, Juan Carlos (2009-08-11)
      Article
      Accés obert
      This paper presents a linear current control scheme for single-phase active power filters. The approach is based on an outer voltage loop, an inner current loop, and a resonant selective harmonic compensator. The design ...
    • Simple low-cost hysteretic controller for multiphase synchronous buck converters 

      Borrell, Angel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; García de Vicuña Muñoz de la Nava, José Luis (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-06)
      Article
      Accés restringit per política de l'editorial
      This paper presents a novel hysteretic controller for a multiphase synchronous buck converter supplying low voltage, high current, and high slew-rate loads. The control scheme implements the main control functions for ...
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen de reavaluació 

      Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; López García, Mariano; Castilla Fernández, Miguel (Universitat Politècnica de Catalunya, 2020-06-22)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen final 

      Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; López García, Mariano; Castilla Fernández, Miguel (Universitat Politècnica de Catalunya, 2020-06-05)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen final 

      Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; López García, Mariano; Castilla Fernández, Miguel (Universitat Politècnica de Catalunya, 2019-06-03)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen final 

      Miret Tomàs, Jaume; López García, Mariano; Castilla Fernández, Miguel; Gayà Suñer, Pedro Francisco (Universitat Politècnica de Catalunya, 2021-05-28)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen parcial 

      Miret Tomàs, Jaume; López García, Mariano; Castilla Fernández, Miguel; Gayà Suñer, Pedro Francisco (Universitat Politècnica de Catalunya, 2021-04-06)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen parcial 

      Miret Tomàs, Jaume; López García, Mariano; Castilla Fernández, Miguel; Gayà Suñer, Pedro Francisco (Universitat Politècnica de Catalunya, 2021-04-06)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen re-avaluació 

      Miret Tomàs, Jaume; López García, Mariano; Castilla Fernández, Miguel; Gayà Suñer, Pedro Francisco (Universitat Politècnica de Catalunya, 2021-06-16)
      Examen
      Accés restringit a la comunitat UPC
    • SISTEMES ELECTRÒNICS (Examen 2n quadrimestre): Examen re‐avaluació 

      Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; López García, Mariano; Castilla Fernández, Miguel (Universitat Politècnica de Catalunya, 2019-06-20)
      Examen
      Accés restringit a la comunitat UPC
    • Sliding-mode control for a three-phase shunt active power filter in natural frame 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an improved variable hysteresis-band current-control in natural frame for a three-phase shunt active power filter. The proposed control algorithm is based on three decoupled sliding-mode controllers ...