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Research on under-frequency load shedding strategy of power system considering frequency response of grid-forming wind power
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Xiaoming Zou1, Qiang Li1, Chenggen Wang1, Yongyong Jia1, Yi Tang2
Renewable Energy Resources | 2024, 42(8) : 1089 - 1095
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Renewable Energy Resources | 2024, 42(8): 1089-1095
Research on under-frequency load shedding strategy of power system considering frequency response of grid-forming wind power
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Xiaoming Zou1, Qiang Li1, Chenggen Wang1, Yongyong Jia1, Yi Tang2
Affiliations
  • 1 Jiangsu Electric Power Research Institute Co., Ltd. Nanjing 210000 China
  • 2 School of Electrical Engineering Southeast University Nanjing 210096 China
Published: 2024-08-20
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The largescale gridforming wind turbine generators (WTGs) will change the frequency response characteristics of the power system, while the traditional lowfrequency load shedding strategy has not taken into account the impact of gridforming wind power, which may lead to unreasonable system load shedding after high power shortage. This paper proposes a lowfrequency load shedding strategy for power systems that considers the frequency response of gridforming wind power. Firstly, based on the virtual inertia of gridforming wind power and the primary frequency control model, a simplified system frequency response model is established that takes into account the frequency response of gridforming wind power. Secondly, the impact of the active power response characteristics of gridforming wind power on the unbalanced power amount of the system is analyzed, and then the unbalanced power amount used to guide multiple rounds of load shedding in the power grid is finely estimated, thus proposing an adaptive lowfrequency load shedding implementation strategy. Finally, the feasibility and effectiveness of the lowfrequency load shedding strategy proposed in this paper were verified through numerical analysis.

grid-forming wind turbine generators  /  virtual inertia  /  primary frequency regulation  /  power deficiency  /  under-frequency load shedding
Xiaoming Zou, Qiang Li, Chenggen Wang, Yongyong Jia, Yi Tang. Research on under-frequency load shedding strategy of power system considering frequency response of grid-forming wind power[J]. Renewable Energy Resources, 2024 , 42 (8) : 1089 -1095 .
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Article Info
  • Receive Date：2023-01-27
  • Online Date：2025-07-22
  • Published：2024-08-20
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  • Received：2023-01-27
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Affiliations
    1 Jiangsu Electric Power Research Institute Co., Ltd. Nanjing 210000 China
    2 School of Electrical Engineering Southeast University Nanjing 210096 China
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