Browsing by Author "Marín Arévalo, Leonardo Vidal"Més informació

Now showing items 1-11 of 11

    • A growing self-organising maps implementation for coherency identification in a power electronics dominated power system 

      Gregory Baltas, Nicholas; Lai, Ngoc Bao; Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (2020)
      Conference lecture
      Restricted access - publisher's policy
      The presence of power electronics in today’s power systems strengthens due to the wider integration of renewable energy and energy storage systems. Subsequently, the dynamical response becomes harder to model and understand. ...

    • A way of increasing stability margin of current control in VSCs connected to the grid through LCL filters 

      Marín Arévalo, Leonardo Vidal; Rodríguez Cortés, Pedro; Candela García, José Ignacio; Rocabert Delgado, Joan (2017)
      Conference report
      Restricted access - publisher's policy
      VSCs connected to the grid through LCL filters are common in the integration of renewable energies into electrical systems. Therefore, in this paper small signal stability of the current loop of this configuration is ...

    • 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 ...

    • Enhanced proportional-resonant (PR) controller with negative decoupling for weak grids 

      Tarraso Martínez, Andrés; Marín Arévalo, Leonardo Vidal; Lai, Ngoc Bao; Rodríguez Cortés, Pedro (2020)
      Conference lecture
      Restricted access - publisher's policy
      During the last decade the penetration of gridconnected RES systems has increased exponentially forcing power conversion industry to design new advanced controllers in order to comply with new requirements. The current ...

    • External inertia emulation controller for grid-following power converter 

      Lai, Ngoc Bao; Tarraso Martínez, Andrés; Gregory Baltas, Nicholas; Marín Arévalo, Leonardo Vidal; Rodríguez Cortés, Pedro (2021)
      Article
      Open Access
      The advent of renewable energy has posed difficulties in the operation of power systems whose net inertia is becoming critically low. To face such challenges, grid-forming power has been one of the potential solutions ...

    • 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)
      Conference lecture
      Restricted access - publisher's policy
      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 ...

    • Grid-forming power converter controller with artificial intelligence to attenuate inter-area modes 

      Gregory Baltas, Nicholas; Lai, Ngoc Bao; Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (2020)
      Conference lecture
      Restricted access - publisher's policy
      Renewable energy and battery energy storage systems are affecting the dynamics of power systems mainly due to the interconnection through power electronics with the electric grid. Specifically, the low inertia characterizing ...

    • Inertia emulation in power converters with communication delays 

      Lai, Ngoc Bao; Tarraso Martínez, Andrés; Gregory Baltas, Nicholas; Marín Arévalo, Leonardo Vidal; Rodríguez Cortés, Pedro (2020)
      Conference report
      Restricted access - publisher's policy
      Emulating inertia using power converter has been an effective way to provide additional inertia to power electronic dominated power systems. Currently, the control algorithms for emulating inertia have been proposed ...

    • 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 ...

    • Small-signal model and analysis of a grid-forming power converter based on the synchronous power controller 

      Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Lai, Ngoc Bao; Gregory Baltas, Nicholas; Rodríguez Cortés, Pedro (2020)
      Conference lecture
      Restricted access - publisher's policy
      A grid-forming power converter based on the synchronous power controller (SPC) is a solution that through the flexible and adaptive emulation of the main functional blocks of a synchronous machine, allows to take advantage ...

    • Voltage sensorless control for grid-connected power converters based on state feedback and state observer 

      Lai, Ngoc Bao; Gregory Baltas, Nicholas; Marín Arévalo, Leonardo Vidal; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      Grid-connected power converters have been increasingly utilized to inject renewable energy into the grid. To reduce installation cost and the same time to increase system stability, this paper presents control design for ...