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  • Active power limiter for static synchronous generators in renewable applications 

    Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Atef Abbas Elsaharty, Mohamed (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-28)
    Article
    Open Access
    Virtual Synchronous Generators (VSGs) are an interesting control approach for the connection of renewable energies to the electrical grid through power converters. These power devices have shown their ability to enable ...
  • 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 ...
  • 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), 2020-05-18)
    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. ...
  • Energy balancing with wide range of operation in the isolated multi-modular converter 

    Verdugo Retamal, Cristian Andrés; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-04)
    Article
    Open Access
    The series-connection of modules in multilevel converters are prone to energy imbalances in the dc capacitor due to the differences between the power absorbed and consumed. In renewable energy applications where the primary ...
  • 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 ...
  • Novel analytical method for dynamic design of renewable SSG SPC unit to mitigate low-frequency electromechanical oscillations 

    Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Atef Abbas Elsaharty, Mohamed; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019-11-28)
    Article
    Open Access
    Grid operators require grid connected RGUs to provide specific dynamic features. RGUs must support dynamic performance of grid and operate in such a way to ward off new issues in grid. Recently, unfavorable oscillatory ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • 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) ...
  • Active power limiter for static synchronous generators in renewable applications 

    Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago (2018)
    Conference report
    Restricted access - publisher's policy
    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 ...