SEER - Sistemes Elèctrics d'Energia Renovable: Enviaments recents

Ara es mostren els items 13-24 de 387

    • 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)
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      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 ...

    • 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)
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      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 ...

    • 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)
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      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 ...

    • Voltage sensorless grid-forming power converters 

      Tarraso Martínez, Andrés; Lai, Ngoc Bao; Gregory Baltas, Nicholas; Rodríguez Cortés, Pedro (2020)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      During the years, synchronization systems in power converter control has been mainly used for estimating the phase angle and the magnitude of the grid voltage, this estimated information is usually used for droop control ...

    • 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)
      Text en actes de congrés
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      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 ...

    • Synchronous fault compensator for voltage sensorless grid-following power converters 

      Tarraso Martínez, Andrés; Lai, Ngoc Bao; Rodríguez Cortés, Pedro (2021)
      Comunicació de congrés
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      During the last decade, the penetration of grid-connected RES systems has been in constant increase, forcing those systems interfaced to the electrical grid to improve and design new advanced controllers to maintain the ...

    • Efficient management of energy storage systems using competitive controller 

      Lai, Ngoc Bao; Tarraso Martínez, Andrés; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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      This paper proposes a management strategy based on a transactive mechanism to improve the efficiency of energy storage systems. The proposed control scheme relies on a non-cooperative strategy where each system is at the ...

    • Grid-following and grid-forming PV and wind turbines 

      Rodríguez Cortés, Pedro; Lai, Ngoc Bao (Academic Press, 2022-03-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      As penetration of photovoltaic (PV) and wind generation systems driven by grid-connected power converters monotonously increases, unusual interactions between innovative and legacy generation systems become more concerning, ...

    • Resynchronization strategy for a 200kVA grid- forming power converter 

      Tarraso Martínez, Andrés; Lai, Ngoc Bao; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      During the years, grid connected operation in power systems has been the key factor for renewable energy resource to be able to exchange energy to the electrical grid. However, with the increase of small power systems and ...

    • 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
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      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 ...

    • 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
      Accés obert
      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 ...

    • Multi-rotor virtual machine for grid-forming converter to damp sub-synchronous resonances 

      Lai, Ngoc Bao; Gregory Baltas, Nicholas; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Article
      Accés obert
      Grid-forming power converters (GFMC) have been widely adopted in power systems as an attractive solution against the challenges imposed by the ever-increasing penetration of renewables. Despite its versatility, GFMC is ...