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Application of Feedforward Function in Hydroelectric Primary Frequency Regulation
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Xing HUANG1, Bin ZHU2, Da-hai YU1, Ben-hong WANG2
Water Resources and Power | 2025, 43(9) : 176 - 178
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Water Resources and Power | 2025, 43(9): 176-178
Application of Feedforward Function in Hydroelectric Primary Frequency Regulation
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Xing HUANG1, Bin ZHU2, Da-hai YU1, Ben-hong WANG2
Affiliations
  • 1.China Electric Power Research Institute, Beijing 100192, China
  • 2.China Yangtze Power Co., Ltd., Yichang 443133, China
Published: 2025-09-25 doi: 10.20040/j.cnki.1000-7709.2025.20241437
Outline
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In order to solve the problem that the response ability of a large mixed-flow hydropower unit is affected by the change of operating water head, a method based on the adaptive feedforward function is proposed for the application of the turbine's primary frequency regulation function. The 3D curve function library of turbine's water head, guide vane opening and power is introduced into the primary frequency regulation feedforward control of the turbine. According to the real-time water head and power and the position of guide vane, the power change corresponding to the frequency change is calculated through the 3D database to directly affect the output of the controller. Compared with the conventional control mode of primary frequency regulation, it is verified by field practice. The experimental results show that the feedforward function can not only satisfy the consistency of the next frequency regulation performance of different water heads, but also effectively avoid setting and switching multi-group PID control parameters. Thus, it provides a new way to realize the function of primary frequency regulation of hydraulic turbine units.

self-adaption  /  feedforward  /  primary frequency modulation  /  PID parameters  /  water head  /  three-dimensional curve function library
Xing HUANG, Bin ZHU, Da-hai YU, Ben-hong WANG. Application of Feedforward Function in Hydroelectric Primary Frequency Regulation[J]. Water Resources and Power, 2025 , 43 (9) : 176 -178 . DOI: 10.20040/j.cnki.1000-7709.2025.20241437
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Year 2025 volume 43 Issue 9
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Article Info
doi: 10.20040/j.cnki.1000-7709.2025.20241437
  • Receive Date：2024-07-30
  • Online Date：2025-12-15
  • Published：2025-09-25
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History
  • Received：2024-07-30
  • Revised：2024-09-26
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Affiliations
    1.China Electric Power Research Institute, Beijing 100192, China
    2.China Yangtze Power Co., Ltd., Yichang 443133, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2025.20241437
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小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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