Now showing items 1-10 of 10

    • AI-based damping of electromechanical oscillations by using grid-connected converter 

      Gregory Baltas, Nicholas; Lai, Ngoc Bao; Tarraso Martínez, Andrés; Marín Arévalo, Leonardo Vidal; Blaabjerg, Frede; Rodríguez Cortés, Pedro (2021-03-05)
      Article
      Open Access
      The proliferation of grid-connected converter interfaced energy sources in Smart Grids, enhance sustainability and efficiency as well as minimizing power losses and costs. However, concerns arise regarding the stability ...
    • Centralized synchronous controller based on load angle regulation for photovoltaic power plants 

      Verdugo Retamal, Cristian Andrés; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2021-02)
      Article
      Open Access
      The integration of renewable energies based on photovoltaic power plants (PVPPs) is increasing exponentially fast. In consequence, stability problems associated with the lack of inertia are becoming a serious concern. ...
    • Diseño e implementación de la etapa de supervisión de un inversor de 100kW conectado a red 

      Tarraso Martínez, Andrés (Universitat Politècnica de Catalunya, 2014-05-25)
      Bachelor thesis
      Restricted access - author's decision
      Este proyecto está dedicado al estudio de un convertidor conectado a la red eléctrica, donde se estudiará tanto la supervisión del autómata de control de conexión como diferentes técnicas de modulación utilizadas y el ...
    • Electromechanical design of synchronous power controller in grid integration of renewable power converters to support dynamic stability 

      Abdollahi, Mostafa; Candela García, José Ignacio; Tarraso Martínez, Andrés; Atef Abbas Elsaharty, Mohamed; Rakhshani, Elyas (2021-04-10)
      Article
      Open Access
      Nowadays, modern power converters installed in renewable power plants can provide flexible electromechanical characteristics that rely on the developed control technologies such as Synchronous Power Controller (SPC). Since ...
    • Grid-forming power converters tuned through artificial intelligence to damp subsynchronous interactions in electrical grids 

      Gregory Baltas, Nicholas; Lai, Ngoc Bao; Marin, Leonardo; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-18)
      Article
      Open Access
      The integration of non-synchronous generation units and energy storage through power electronics is introducing new challenges in power system dynamics. Specifically, the rotor angle stability has been identified as one ...
    • 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)
      Conference report
      Open Access
      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 ...
    • 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)
      Conference report
      Open Access
      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 ...
    • Power quality services provided by virtually synchronous FACTS 

      Tarraso Martínez, Andrés; Lai, Ngoc-Bao; Gregory Baltas, Nicholas; Rodríguez Cortés, Pedro (2019-08-27)
      Article
      Open Access
      The variable and unpredictable behavior of renewable energies impacts the performance of power systems negatively, threatening their stability and hindering their efficient operation. Flexible ac transmission systems (FACTS) ...
    • 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)
      Conference report
      Open Access
      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. ...
    • 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)
      Conference report
      Open Access
      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 ...