Enviaments recents

  • Data-driven techniques to improve the reliability of low voltage electricty networks through dynamical evaluation of non-technical losses 

    Girona Badia, Marc; Mor Martínez, Gerard; Laguna Benet, Gerard; Cipriano Lindez, Jordi; Luna Alloza, Álvaro (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    The paradigm of electrical networks is changing rapidly due to the large penetration of renewable energy sources and other distributed generation and storage assets. The variability in the generation profile hinders the ...
  • Virtual admittance PLL structure for grid-forming power converters in microgrids 

    Tarraso Martínez, Andrés; Candela García, José Ignacio; Lai, Ngoc Bao; Gregory Baltas, Nicholas; Rodríguez Cortés, Pedro (2020)
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    Synchronization plays a fundamental role in connecting power electronic converters with the grid. Conventionally, the synchronous reference frame phase-locked loop (SRF-PLL) has been widely used to estimate the grid phase ...
  • 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)
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    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. ...
  • 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)
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    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 ...
  • 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)
    Comunicació de congrés
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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)
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    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)
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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)
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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 ...
  • 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)
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    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 ...

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