Ponències/Comunicacions de congressos: Enviaments recents

Ara es mostren els items 13-24 de 243

    • Frequency selective damping of sub-synchronous oscillations for grid-forming power converters 

      Lai, Ngoc Bao; Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Gregory Baltas, Nicholas; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      With the advent of renewable energy, stability of power system is becoming more and more crucial. Recently, grid-forming converter concept has attracted much attention from the industry and academia as a potential solution ...

    • Photovoltaic inverters with fault ride-through capability 

      Azevedo, Gustavo M.S.; Vázquez, Gerardo; Luna Alloza, Álvaro; Aguilar Galván, Daniel; Rolán Blanco, Alejandro (ISIE, 2009)
      Comunicació de congrés
      Accés obert
      This paper presents a new control strategy that allow the photovoltaic system operate under grid faults without overpass the rated current and assuring sinusoidal currents. In the classic control strategies used in ...

    • Symmetrical and unsymmetrical voltage sag effects on the three-phase synchronous machine stability 

      Aguilar Galván, Daniel; Rolán Blanco, Alejandro; Vázquez, Gerardo; Córcoles López, Felipe; Rodríguez Cortés, Pedro (2009)
      Comunicació de congrés
      Accés obert
      This paper focuses on the effects of voltage sags, both symmetrical and unsymmetrical, on the three-phase Synchronous Machine (SM). Voltage sags on SM cause speed variations, current and torque peaks and hence may cause ...

    • Influence of the ICFF decoupling technique on the stability of the current control loop of a grid-tied VSC 

      Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rye, Rebecca; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      The control scheme of grid-tied converters is often implemented in the dq-frame due to simplicity of design. However, with this transformation, there exists an inherent cross-coupling term between the d-and q-channels which ...

    • Synchronous power controller for distributed generation units 

      Tarraso Martínez, Andrés; Verdugo Retamal, Cristian Andrés; Lai, Ngoc Bao; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Renewable energies has shown to be a promising solution to improve the energy injected to the electrical network. However, the lack of inertia in such systems have proven to affect the grid stability, as those technologies ...

    • LMI-based control design to enhance robustness of synchronous power controller 

      Lai, Ngoc Bao; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Synchronous power controller (SPC) has emerged as a suitable technique to equip grid-connected inverters with grid supporting functionalities such as inertial emulation and frequency/voltage support by mimicking the behavior ...

    • Synchronous frequency support of photovoltaic power plants with inertia emulation 

      Verdugo Retamal, Cristian Andrés; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Grid stability is one of the main concerns in renewable energies. The lack of inertia and their low capability to provide frequency support has created the need for implementing new control strategies to solve this problem. ...

    • Active power limiter for static synchronous generators in renewable applications 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Control of the power converters in the Renewable Static Synchronous Generation units based on the Synchronous Power Control technique (RSSG-SPC) provides the opportunity for the grid operators to use simple and efficient ...

    • Stability analysis of a grid-connected VSC controlled by SPC 

      Marin, Leonardo; Tarrasó, Andres; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      In the near future a large part of traditional generation based on conventional synchronous machines (SM) will be replaced by renewable generation based on voltage source converters (VSC). In this sense, power system ...

    • Multilevel single phase isolated inverter with reduced number of switches 

      Verdugo Retamal, Cristian Andrés; Candela García, José Ignacio; Atef Abbas Elsaharty, Mohamed; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      This paper proposes a cascaded single phase multilevel inverter using an off-the-shelf three-phase inverter and transformer. The concept is based on a cascaded connection of two inverter legs using a typical three phase ...

    • Realization of a 10 kW MES power to methane plant based on unified AC/DC converter 

      Shahparasti, Mahdi; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Bosch, Pau; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      This paper presents a galvanic isolated multi output AC/DC topology that is suitable for Microbial electrosynthesis (MES) based Power to Methane energy storage systems. The presented scheme utilizes a three phase back to ...

    • Remote power control strategy based on virtual flux approach for the grid tied power converters 

      Fazlin Roslan, Nurul; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      The control of active and reactive power for the Renewable Energy Sources (RES) based power plants are very important. The injection of active and reactive power to the grid is normally controlled at the Point of Common ...