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<p>This study presents the development and experimental validation of a novel wind turbine emulator (WTE) based on a Doubly-Fed Induction Generator (DFIG). The proposed architecture employs an induction motor (IM) driven by a variable frequency drive (VFD) to emulate wind turbine dynamics, offering a cost-effective and low-maintenance alternative to traditional DC motor-based systems. The control strategy, fully implemented in C language, integrates Tip Speed Ratio (TSR)-based Maximum Power Point Tracking (MPPT) with flux-oriented vector control of the DFIG. Experimental results confirm the emulator’s ability to accurately replicate real wind turbine behavior under varying wind conditions. The test bench demonstrates fast dynamic response, with rotor currents settling in 11–18&#xa0;ms, and active/reactive powers stabilizing within 25–30&#xa0;ms. Overshoots remain below 10%, and steady-state errors are limited to ± 1&#xa0;A for currents and ± 100&#xa0;W / ± 50 VAR for powers, ensuring precise power regulation. The speed tracking error is approximately 0.61&#xa0;rad/s, validating the system’s ability to follow dynamic references with high accuracy. Additionally, effective decoupling between active and reactive loops is achieved, with minimal cross-coupling during step changes.</p>

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Development and performance evaluation of a wind turbine emulator utilizing DFIG with TSR-based MPPT control for optimized power extraction

  • 期刊论文

  • 发表日期：

    2025年11月26日

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  • Ilyas Bennia,
  • Lotfi Baghli,
  • Ehsan Jamshidpour,
  • Jean-Philippe Martin,
  • Serge Pierfederici

摘要

This study presents the development and experimental validation of a novel wind turbine emulator (WTE) based on a Doubly-Fed Induction Generator (DFIG). The proposed architecture employs an induction motor (IM) driven by a variable frequency drive (VFD) to emulate wind turbine dynamics, offering a cost-effective and low-maintenance alternative to traditional DC motor-based systems. The control strategy, fully implemented in C language, integrates Tip Speed Ratio (TSR)-based Maximum Power Point Tracking (MPPT) with flux-oriented vector control of the DFIG. Experimental results confirm the emulator’s ability to accurately replicate real wind turbine behavior under varying wind conditions. The test bench demonstrates fast dynamic response, with rotor currents settling in 11–18 ms, and active/reactive powers stabilizing within 25–30 ms. Overshoots remain below 10%, and steady-state errors are limited to ± 1 A for currents and ± 100 W / ± 50 VAR for powers, ensuring precise power regulation. The speed tracking error is approximately 0.61 rad/s, validating the system’s ability to follow dynamic references with high accuracy. Additionally, effective decoupling between active and reactive loops is achieved, with minimal cross-coupling during step changes.