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Extended State Observer-Based Sliding-Mode Control for Three-Phase Power Converters

 

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Opened Access Extended State Observer-Based Sliding-Mode Control for Three-Phase Power Converters
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Author: Liu, Jianxing
Vázquez Pérez, Sergio
Wu, Ligang
Márquez. Abraham
Gao, Huijun
García Franquelo, Leopoldo
Department: Universidad de Sevilla. Departamento de Ingeniería Electrónica
Date: 2017-01
Published in: IEEE Transactions on Industrial Electronics, 64 (1), 22-31.
Document type: Article
Abstract: This paper proposes an extended state observer (ESO) based second-order sliding-mode (SOSM) control for three-phase two-level grid-connected power converters. The proposed control technique forces the input currents to track the desired values, which can indirectly regulate the output voltage while achieving a user-defined power factor. The presented approach has two control loops. A current control loop based on an SOSM and a dc-link voltage regulation loop which consists of an ESO plus SOSM. In this work, the load connected to the dc-link capacitor is considered as an external disturbance. An ESO is used to asymptotically reject this external disturbance. Therefore, its design is considered in the control law derivation to achieve a high performance. Theoretical analysis is given to show the closed-loop behavior of the proposed controller and experimental results are presented to validate the control algorithm under a real power converter prototype
Cite: Liu, J., Vázquez, S., Wu, L., Márquez. Abraham, , Gao, H. y Franquelo, Leopoldo G. (2017). Extended State Observer-Based Sliding-Mode Control for Three-Phase Power Converters. IEEE Transactions on Industrial Electronics, 64 (1), 22-31.
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URI: https://hdl.handle.net/11441/80173

DOI: 10.1109/TIE.2016.2610400

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