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Implementation of super-twisting sliding mode control for DFIG-DC-based marine current energy conversion.

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Title: Implementation of super-twisting sliding mode control for DFIG-DC-based marine current energy conversion.
Authors: Smai, Yosra1,2 (AUTHOR), Ben Azza, Hechmi1,2 (AUTHOR) hechmi.benazza@ensit.rnu.tn, Touaiti, Bilel2,3 (AUTHOR), Boussak, Mohamed4 (AUTHOR), Jemli, Mohamed1,2 (AUTHOR)
Source: Electrical Engineering. Nov2025, Vol. 107 Issue 11, p14443-14457. 15p.
Subjects: Tidal power, Sliding mode control, Harmonic distortion (Physics), Field orientation principle, Pulse width modulation inverters, Ocean currents, Power supply quality, Energy conversion
Abstract: Power generation with the doubly fed induction generator with direct-current link (DFIG-DC) system using tidal speed is indeed highly cost-effective, especially when combined with HVDC transmission. In this work, the proposed DFIG-DC generation system leverages several economic advantages, making it ideal for large-scale offshore tidal energy projects. Nevertheless, harmonic distortion poses a significant challenge in DC-link-based DFIG energy conversion systems, adversely affecting power quality. The studied system comprises a marine current turbine driving a DFIG-DC energy conversion system. In this configuration, a bridge rectifier ensures the connection between the stator windings and the DC bus, while a PWM power converter is inserted between the DC bus and the rotor windings. The control of the DFIG is achieved using field-oriented control (FOC). This paper presents an efficient DC voltage and stator frequency control scheme with harmonic current suppression (HCS) for DFIG-DC system in marine current turbine (MCT) applications. A key contribution is the implementation of a super-twisting sliding mode control (STSMC) algorithm. This method aims to suppress harmonic currents by injecting calculated reference harmonic currents alongside the fundamental d- and q-axis rotor reference currents, thereby enhancing stator current quality. Finally, the performances of the DFIG-DC energy conversion system are shown through digital simulation and experimental results. Additionally, simulation results from MATLAB/Simulink confirm the effectiveness of the STSMC algorithm, which reduces total harmonic distortion (THD) to 5.81%, compared to published approaches. These results give high dynamic performances of the DC voltage regulation and the reduction capability of the harmonics. [ABSTRACT FROM AUTHOR]
Copyright of Electrical Engineering is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 188453046
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PubType: Academic Journal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Implementation of super-twisting sliding mode control for DFIG-DC-based marine current energy conversion.
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  Data: <searchLink fieldCode="AR" term="%22Smai%2C+Yosra%22">Smai, Yosra</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ben+Azza%2C+Hechmi%22">Ben Azza, Hechmi</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> hechmi.benazza@ensit.rnu.tn</i><br /><searchLink fieldCode="AR" term="%22Touaiti%2C+Bilel%22">Touaiti, Bilel</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boussak%2C+Mohamed%22">Boussak, Mohamed</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jemli%2C+Mohamed%22">Jemli, Mohamed</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Electrical+Engineering%22">Electrical Engineering</searchLink>. Nov2025, Vol. 107 Issue 11, p14443-14457. 15p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Tidal+power%22">Tidal power</searchLink><br /><searchLink fieldCode="DE" term="%22Sliding+mode+control%22">Sliding mode control</searchLink><br /><searchLink fieldCode="DE" term="%22Harmonic+distortion+%28Physics%29%22">Harmonic distortion (Physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Field+orientation+principle%22">Field orientation principle</searchLink><br /><searchLink fieldCode="DE" term="%22Pulse+width+modulation+inverters%22">Pulse width modulation inverters</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean+currents%22">Ocean currents</searchLink><br /><searchLink fieldCode="DE" term="%22Power+supply+quality%22">Power supply quality</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+conversion%22">Energy conversion</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Power generation with the doubly fed induction generator with direct-current link (DFIG-DC) system using tidal speed is indeed highly cost-effective, especially when combined with HVDC transmission. In this work, the proposed DFIG-DC generation system leverages several economic advantages, making it ideal for large-scale offshore tidal energy projects. Nevertheless, harmonic distortion poses a significant challenge in DC-link-based DFIG energy conversion systems, adversely affecting power quality. The studied system comprises a marine current turbine driving a DFIG-DC energy conversion system. In this configuration, a bridge rectifier ensures the connection between the stator windings and the DC bus, while a PWM power converter is inserted between the DC bus and the rotor windings. The control of the DFIG is achieved using field-oriented control (FOC). This paper presents an efficient DC voltage and stator frequency control scheme with harmonic current suppression (HCS) for DFIG-DC system in marine current turbine (MCT) applications. A key contribution is the implementation of a super-twisting sliding mode control (STSMC) algorithm. This method aims to suppress harmonic currents by injecting calculated reference harmonic currents alongside the fundamental d- and q-axis rotor reference currents, thereby enhancing stator current quality. Finally, the performances of the DFIG-DC energy conversion system are shown through digital simulation and experimental results. Additionally, simulation results from MATLAB/Simulink confirm the effectiveness of the STSMC algorithm, which reduces total harmonic distortion (THD) to 5.81%, compared to published approaches. These results give high dynamic performances of the DC voltage regulation and the reduction capability of the harmonics. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Electrical Engineering is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s00202-025-03271-9
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 15
        StartPage: 14443
    Subjects:
      – SubjectFull: Tidal power
        Type: general
      – SubjectFull: Sliding mode control
        Type: general
      – SubjectFull: Harmonic distortion (Physics)
        Type: general
      – SubjectFull: Field orientation principle
        Type: general
      – SubjectFull: Pulse width modulation inverters
        Type: general
      – SubjectFull: Ocean currents
        Type: general
      – SubjectFull: Power supply quality
        Type: general
      – SubjectFull: Energy conversion
        Type: general
    Titles:
      – TitleFull: Implementation of super-twisting sliding mode control for DFIG-DC-based marine current energy conversion.
        Type: main
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            NameFull: Smai, Yosra
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            NameFull: Ben Azza, Hechmi
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            NameFull: Touaiti, Bilel
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            NameFull: Boussak, Mohamed
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            – D: 01
              M: 11
              Text: Nov2025
              Type: published
              Y: 2025
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              Value: 107
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            – TitleFull: Electrical Engineering
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