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Frequency Regulation Control Strategy for Direct-drive Wind Power Systems Considering Continuous Frequency Drop
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Junchao MA1, Chenxu WANG1, Dan SUN2, Yan PENG1, Zeyu ZHANG2, Ying YANG3
Electric Drive | 2024, 54(12) : 61 - 70
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Electric Drive | 2024, 54(12): 61-70
Frequency Regulation Control Strategy for Direct-drive Wind Power Systems Considering Continuous Frequency Drop
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Junchao MA1, Chenxu WANG1, Dan SUN2, Yan PENG1, Zeyu ZHANG2, Ying YANG3
Affiliations
  • 1 State Grid Zhejiang Electric Power Co.，Ltd. Research Institute，Hangzhou 310014，Zhejiang，China
  • 2 College of Electrical Engineering，Zhejiang University，Hangzhou 310027，Zhejiang，China
  • 3 Power Regulation Center of State Grid Zhejiang Electric Power Co.，Ltd.，Hangzhou 310000，Zhejiang，China
Published: 2024-12-20 doi: 10.19457/j.1001-2095.dqcd25468
Outline
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In response to the potential frequency secondary drop problem of direct-drive wind power systems in the scenario of continuous frequency drop faults in the power grid，the principle of primary frequency regulation of direct-drive wind power systems was analyzed. A primary frequency regulation control strategy for direct-drive wind power systems was proposed based on the product and difference combination of frequency change rates at pre- and post-sampling times. According to the established criteria，the droop coefficient of the direct-drive wind power system in different frequency response stages was adjusted by comprehensively considering the fan speed，frequency deviation，and frequency rate of convergence，to realize the active frequency support and flexible frequency modulation exit of the wind power system. A simulation model of a direct-drive wind power system was established in Matlab/Simulink to verify the effectiveness of the proposed control strategy.

continuous drop in grid frequency  /  direct-drive wind power system  /  droop coefficient  /  primary frequency regulation control
Junchao MA, Chenxu WANG, Dan SUN, Yan PENG, Zeyu ZHANG, Ying YANG. Frequency Regulation Control Strategy for Direct-drive Wind Power Systems Considering Continuous Frequency Drop[J]. Electric Drive, 2024 , 54 (12) : 61 -70 . DOI: 10.19457/j.1001-2095.dqcd25468
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Year 2024 volume 54 Issue 12
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Article Info
doi: 10.19457/j.1001-2095.dqcd25468
  • Receive Date：2023-11-03
  • Online Date：2025-12-10
  • Published：2024-12-20
Article Data
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History
  • Received：2023-11-03
  • Revised：2023-12-11
Funding
Affiliations
    1 State Grid Zhejiang Electric Power Co.，Ltd. Research Institute，Hangzhou 310014，Zhejiang，China
    2 College of Electrical Engineering，Zhejiang University，Hangzhou 310027，Zhejiang，China
    3 Power Regulation Center of State Grid Zhejiang Electric Power Co.，Ltd.，Hangzhou 310000，Zhejiang，China
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