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<p>The grid-forming (GFM) converter has received increasing attention as an effective solution for low-inertia and weak damping systems. However, the converter dynamic frequency-regulation process is deteriorated when subjected to sudden large load changes. Therefore, a virtual synchronous generator (VSG) adaptive control strategy for the GFM converter is proposed in this paper. Utilizing the adaptive control of primary and secondary frequency regulation, the output frequency recovery effect of the energy storage system after large load changes can be enhanced, making it more competitive for reducing frequency overshoots. The effectiveness of the proposed adaptive frequency regulation control strategy for the GFM converter is verified through simulation and experimental results.</p>

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Virtual synchronous generator adaptive control strategy for grid-forming converters of energy storage systems

  • 期刊论文

  • 发表日期：

    2025年8月4日

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  • Xiyu Luan,
  • Guohui Zeng,
  • Jiajie Zang,
  • Xiangchen Zhu,
  • Jiangbin Tian

摘要

The grid-forming (GFM) converter has received increasing attention as an effective solution for low-inertia and weak damping systems. However, the converter dynamic frequency-regulation process is deteriorated when subjected to sudden large load changes. Therefore, a virtual synchronous generator (VSG) adaptive control strategy for the GFM converter is proposed in this paper. Utilizing the adaptive control of primary and secondary frequency regulation, the output frequency recovery effect of the energy storage system after large load changes can be enhanced, making it more competitive for reducing frequency overshoots. The effectiveness of the proposed adaptive frequency regulation control strategy for the GFM converter is verified through simulation and experimental results.