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Speed-Adaptive Droop Control for Doubly Fed Induction Generator-Based Gravity Energy Storage System.

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Title: Speed-Adaptive Droop Control for Doubly Fed Induction Generator-Based Gravity Energy Storage System.
Authors: He, Darui1 (AUTHOR), Li, Yan1,2 (AUTHOR), Cao, Chengjie1 (AUTHOR), Fan, Yifei1,2 (AUTHOR), Wang, Fei1 (AUTHOR), Zhang, Yuanshi2 (AUTHOR), Cheng, Chenwen2 (AUTHOR) chenwen_cheng@seu.edu.cn
Source: Energies (19961073). Nov2025, Vol. 18 Issue 21, p5671. 19p.
Subjects: Energy storage, Induction generators, Feedback control systems, Simulation methods & models, Simulink (Computer software)
Abstract: In order to ensure the reliable operation of a gravity energy storage system and reduce a converter's cost and power rating, this paper proposes a gravity energy storage system (GESS) based on a doubly fed induction generator (DFIG). To address the issues of low inertia and limited grid-support capability, a speed-adaptive droop control strategy is introduced. The droop curve can be adjusted automatically according to the speed variation. Thereby, the GESS can effectively provide grid support through rotor-speed control. A simulation model of the DFIG-based GESS is developed in MATLAB/Simulink 2024b, and the grid-support capability of the proposed control strategy is verified under various operating conditions. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI 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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Header DbId: egs
DbLabel: Engineering Source
An: 189610930
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Speed-Adaptive Droop Control for Doubly Fed Induction Generator-Based Gravity Energy Storage System.
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  Data: <searchLink fieldCode="AR" term="%22He%2C+Darui%22">He, Darui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Yan%22">Li, Yan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Chengjie%22">Cao, Chengjie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fan%2C+Yifei%22">Fan, Yifei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Fei%22">Wang, Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yuanshi%22">Zhang, Yuanshi</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Chenwen%22">Cheng, Chenwen</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> chenwen_cheng@seu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Nov2025, Vol. 18 Issue 21, p5671. 19p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22Induction+generators%22">Induction generators</searchLink><br /><searchLink fieldCode="DE" term="%22Feedback+control+systems%22">Feedback control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+methods+%26+models%22">Simulation methods & models</searchLink><br /><searchLink fieldCode="DE" term="%22Simulink+%28Computer+software%29%22">Simulink (Computer software)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In order to ensure the reliable operation of a gravity energy storage system and reduce a converter's cost and power rating, this paper proposes a gravity energy storage system (GESS) based on a doubly fed induction generator (DFIG). To address the issues of low inertia and limited grid-support capability, a speed-adaptive droop control strategy is introduced. The droop curve can be adjusted automatically according to the speed variation. Thereby, the GESS can effectively provide grid support through rotor-speed control. A simulation model of the DFIG-based GESS is developed in MATLAB/Simulink 2024b, and the grid-support capability of the proposed control strategy is verified under various operating conditions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Energies (19961073) is the property of MDPI 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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        Value: 10.3390/en18215671
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      – Code: eng
        Text: English
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        PageCount: 19
        StartPage: 5671
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        Type: general
      – SubjectFull: Induction generators
        Type: general
      – SubjectFull: Feedback control systems
        Type: general
      – SubjectFull: Simulation methods & models
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      – SubjectFull: Simulink (Computer software)
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      – TitleFull: Speed-Adaptive Droop Control for Doubly Fed Induction Generator-Based Gravity Energy Storage System.
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            NameFull: He, Darui
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            NameFull: Li, Yan
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            NameFull: Fan, Yifei
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            NameFull: Wang, Fei
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            NameFull: Zhang, Yuanshi
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            – D: 01
              M: 11
              Text: Nov2025
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              Y: 2025
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