Oraa Iribarren, Iker

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https://academica-e.unavarra.es/handle/2454/52152

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Oraa Iribarren

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Iker

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-1194-6243

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751833

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812100

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2022 - 20232
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Author: Oraa Iribarren, Iker × Subject: Droop control ×

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Now showing 1 - 2 of 2
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    PublicationOpen Access
    Control strategy for a droop-controlled grid-connected DFIG wind turbine
    (IEEE, 2022) Oraa Iribarren, Iker; Samanes Pascual, Javier; López Taberna, Jesús; Gubía Villabona, Eugenio; Ingeniería Eléctrica, Electrónica y de Comunicación; Institute of Smart Cities - ISC; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    The application of droop control techniques without inner current control loops to doubly-fed induction generator (DFIG) based wind turbines does not allow to provide a stable response at all operating points in terms of rotational speed and active and reactive power. After modeling the system dynamics and analyzing the causes of instability, this paper proposes a control strategy that allows to stabilize the system response at all possible operating points. Simulation results performed in MATLAB/Simulink validate the proposed control strategy proving its effectiveness.
  • Thumbnail Image
    PublicationOpen Access
    Modeling a grid-forming DFIG wind turbine
    (IEEE, 2023-08-31) Oraa Iribarren, Iker; Samanes Pascual, Javier; López Taberna, Jesús; Gubía Villabona, Eugenio; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza; Institute of Smart Cities - ISC; Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa
    This paper presents a small-signal state-space model that allows analyzing the dynamics of doubly-fed induction generator (DFIG)-based wind turbines in which grid-forming control strategies are implemented. Specifically, in this paper, a droop-controlled DFIG wind turbine is modeled. The system is modeled in the dq-axis, synchronized with the grid voltage, which simplifies the modeling by not having to linearize the terms dependent on the rotational speed of the dq-axis. Independent models for each element of the system are obtained, which are then combined to model the complete system under study. This modeling methodology provides great flexibility, allowing for easy inclusion of the LC harmonic filter, and enabling future incorporation of the grid-side converter to analyze its interaction with the rotor-side converter. The developed model is validated through simulation, demonstrating that it accurately reproduces the dynamic response of the system under study.