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Volume 13
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10.3390/machines13020110
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Dynamic Performance Analysis and Fault Ride-Through Enhancement by a Modified Fault Current Protection Scheme of a Grid-Connected Doubly Fed Induction Generator

by
Rameez Akbar Talani
1,
Ghulam Sarwar Kaloi
1,
Aamir Ali
1,
Muhammad Ali Bijarani
1,
Ghulam Abbas
2,
Mohammed Hatatah
3,
Paolo Mercorelli
4,* and
Ezzeddine Touti
5
1
Department of Electrical Engineering, Quaid-e-Awam University of Engineering Science and Technology, Nawabshah 67450, Pakistan
2
School of Electrical Engineering, Southeast University, Nanjing 210096, China
3
Department of Electrical Engineering, Al-Baha University, Alaqiq 65779, Saudi Arabia
4
Institute for Production Technology and Systems (IPTS), Leuphana Universität Lüneburg, 21335 Lüneburg, Germany
5
Center for Scientific Research and Entrepreneurship, Northern Border University, Arar 73213, Saudi Arabia
*
Author to whom correspondence should be addressed.
Machines 2025, 13(2), 110; https://doi.org/10.3390/machines13020110
Submission received: 25 December 2024 / Revised: 21 January 2025 / Accepted: 28 January 2025 / Published: 29 January 2025
(This article belongs to the Special Issue Striving toward a Sustainable and More Electrified Future: The Role of Electrical Machines and Drives)
Versions Notes

Abstract

With the increase in reliance on doubly fed induction generator-based wind energy conversion systems (DFIG-WECSs), extracting maximum power from wind energy and enhancing fault ride-through (FRT) techniques meeting the grid code requirements is the foremost concern. This paper proposes a modified control scheme that operates in normal running conditions and during faults as a dual mode. The proposed control scheme operates in a coordinated wind speed estimation-based maximum power point tracking (WSE-MPPT) mode during normal running conditions to extract maximum power from wind energy and enhances the crowbar rotor active impedance-based FRT mode during faults. The proposed technique controls the rotor side converter (RSC) parameters during faults by limiting the transient surge in the rotor and stator currents. In this study, the transient behavior of the proposed technique is analyzed under a three-phase symmetrical fault with a severe voltage dip, and it is observed that, when the fault is over and the RSC is activated and connected to the system, a large inrush current is produced with transient oscillations; the proposed scheme suppresses this post-fault inrush current and limits the transient oscillation. During the FRT operating mode under a symmetrical fault, the simulation results of the proposed technique are validated by the conventional crowbar strategy. In contrast, during the WSE-MPPT operating mode under normal running conditions, a smooth achievement of system parameters after starting the inrush period to a steady state at fixed wind speed is observed.
Keywords: doubly fed induction generator; fault ride-through; crowbar; maximum power point tracking; rotor side controller (RSC) doubly fed induction generator; fault ride-through; crowbar; maximum power point tracking; rotor side controller (RSC)

Share and Cite

MDPI and ACS Style

Talani, R.A.; Kaloi, G.S.; Ali, A.; Bijarani, M.A.; Abbas, G.; Hatatah, M.; Mercorelli, P.; Touti, E. Dynamic Performance Analysis and Fault Ride-Through Enhancement by a Modified Fault Current Protection Scheme of a Grid-Connected Doubly Fed Induction Generator. Machines 2025, 13, 110. https://doi.org/10.3390/machines13020110

AMA Style

Talani RA, Kaloi GS, Ali A, Bijarani MA, Abbas G, Hatatah M, Mercorelli P, Touti E. Dynamic Performance Analysis and Fault Ride-Through Enhancement by a Modified Fault Current Protection Scheme of a Grid-Connected Doubly Fed Induction Generator. Machines. 2025; 13(2):110. https://doi.org/10.3390/machines13020110

Chicago/Turabian Style

Talani, Rameez Akbar, Ghulam Sarwar Kaloi, Aamir Ali, Muhammad Ali Bijarani, Ghulam Abbas, Mohammed Hatatah, Paolo Mercorelli, and Ezzeddine Touti. 2025. "Dynamic Performance Analysis and Fault Ride-Through Enhancement by a Modified Fault Current Protection Scheme of a Grid-Connected Doubly Fed Induction Generator" Machines 13, no. 2: 110. https://doi.org/10.3390/machines13020110

APA Style

Talani, R. A., Kaloi, G. S., Ali, A., Bijarani, M. A., Abbas, G., Hatatah, M., Mercorelli, P., & Touti, E. (2025). Dynamic Performance Analysis and Fault Ride-Through Enhancement by a Modified Fault Current Protection Scheme of a Grid-Connected Doubly Fed Induction Generator. Machines, 13(2), 110. https://doi.org/10.3390/machines13020110

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