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Robust feedback linearization control of a boost converter feeding a grid-tied inverter for PV applications

  • Datos identificativos

    Identificador: imarina:5611019
    Autores:
    Errouissi, RachidAl-Durra, AhmedMuyeen, S MEl Aroudi, Abdelali
    Resumen:
    © 2018 Institution of Engineering and Technology. All rights reserved. In this paper, the feedback-linearization (FBL) technique is employed to design a dc-dc boost voltage regulator feeding a grid-tied inverter for photovoltaic (PV) systems. The key feature of the proposed approach is that only a voltage control loop is used to generate the driving signal for the converter and no current control loop is required. Thereby, unlike the cascaded structure, the bandwidth of the voltage control loop can be specified only by the switching frequency as there is no need for an intermediate inner-loop. The major concern of this control scheme is its limited ability to eliminate completely the steady-state error under model uncertainty and unknown disturbance such as the PV current, which is considered as an unmatched disturbance. For this purpose, the unknown perturbation is estimated by a disturbance observer (DO) and compensated in the control law to drive the steady-state error to zero. With a fast disturbance estimation, the composite controller is able to retain the nominal transient performance specified with the feedback linearization. The effectiveness of the proposed approach was verified by both simulation and experimental results, and a remarkable agreement was obtained while exhibiting excellent performances.
  • Otros:

    Autor según el artículo: Errouissi, Rachid; Al-Durra, Ahmed; Muyeen, S M; El Aroudi, Abdelali
    Departamento: Enginyeria Electrònica, Elèctrica i Automàtica
    Autor/es de la URV: El Aroudi Chaoui, Abdelali
    Palabras clave: Affordable and clean energy
    Resumen: © 2018 Institution of Engineering and Technology. All rights reserved. In this paper, the feedback-linearization (FBL) technique is employed to design a dc-dc boost voltage regulator feeding a grid-tied inverter for photovoltaic (PV) systems. The key feature of the proposed approach is that only a voltage control loop is used to generate the driving signal for the converter and no current control loop is required. Thereby, unlike the cascaded structure, the bandwidth of the voltage control loop can be specified only by the switching frequency as there is no need for an intermediate inner-loop. The major concern of this control scheme is its limited ability to eliminate completely the steady-state error under model uncertainty and unknown disturbance such as the PV current, which is considered as an unmatched disturbance. For this purpose, the unknown perturbation is estimated by a disturbance observer (DO) and compensated in the control law to drive the steady-state error to zero. With a fast disturbance estimation, the composite controller is able to retain the nominal transient performance specified with the feedback linearization. The effectiveness of the proposed approach was verified by both simulation and experimental results, and a remarkable agreement was obtained while exhibiting excellent performances.
    Áreas temáticas: Engineering, electrical & electronic Engenharias iv Engenharias iii Electrical and electronic engineering
    Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
    Direcció de correo del autor: abdelali.elaroudi@urv.cat
    Identificador del autor: 0000-0001-9103-7762
    Fecha de alta del registro: 2024-11-16
    Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
    URL Documento de licencia: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referencia al articulo segun fuente origial: Iet Power Electronics. 11 (3): 1-19
    Referencia de l'ítem segons les normes APA: Errouissi, Rachid; Al-Durra, Ahmed; Muyeen, S M; El Aroudi, Abdelali (2018). Robust feedback linearization control of a boost converter feeding a grid-tied inverter for PV applications. Iet Power Electronics, 11(3), 1-19. DOI: 10.1049/iet-pel.2017.0084
    Entidad: Universitat Rovira i Virgili
    Año de publicación de la revista: 2018
    Tipo de publicación: Journal Publications
  • Palabras clave:

    Electrical and Electronic Engineering,Engineering, Electrical & Electronic
    Affordable and clean energy
    Engineering, electrical & electronic
    Engenharias iv
    Engenharias iii
    Electrical and electronic engineering
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