ADAPIVE HIERARCHICAL COORDINATED CONTROL OF WIND FARM FOR FAST FREQUENCY SUPPORT

Liu Jiayi; Yang Dejian; Mu Jia&#x02019;nan; Chen Ning; Qian Minhui; Yan Gangui

doi:10.19912/j.0254-0096.tynxb.2024-1882

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (2) : 589-598. DOI: 10.19912/j.0254-0096.tynxb.2024-1882

ADAPIVE HIERARCHICAL COORDINATED CONTROL OF WIND FARM FOR FAST FREQUENCY SUPPORT

Liu Jiayi¹, Yang Dejian¹, Mu Jia’nan², Chen Ning³, Qian Minhui³, Yan Gangui¹

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Abstract

In order to address the difficulty of parameter setting of fast frequency support strategy for high proportion wind power grid connected power system and the complex problem of stall caused by excessive release of rotor kinetic energy of low wind speed unit caused by power equivalent distribution, an adaptive frequency support control strategy for wind farm under the mode of “centralized response + autonomous execution” is proposed. For this purpose, a wind farm frequency support architecture of “centralized response + autonomous execution” mode is proposed by using the hierarchical idea. The upper layer considers the dynamic compensation of the system disturbance, and builds the frequency support strategy based on the auto-disturbance rejection controller model. Aiming at the difficulty of auto-disturbance rejection parameter tuning, the influence of different linear auto-disturbance rejection control parameters on the fast frequency support effect and the operating state of the wind turbine is explored, and a linear auto-disturbance rejection controller parameter tuning method based on particle swarm optimization algorithm is proposed. In the lower layer, considering the phenomenon of speed stall, for the problem of primary frequency regulation power distribution of wind turbines with different wind speeds in the wind farm, a setting method of adaptive dynamic correction of active power response coefficient by rotor speed is proposed. After receiving the active incremental signal of the station, the unit combines the active power response coefficient to respond independently to the fast frequency support, and realizes the control mode of “wind farm centralized response + unit autonomous execution”. A four-machine two-area system with wind farm is simulated and analyzed. The simulation results verify the effectiveness of the proposed control strategy to suppress the stall of the wind turbine speed and the feasibility of the frequency support effect.

Key words

wind farms / frequency regulation / particle swarm optimization / parameter tuning / active disturbance rejection control / adaptive dynamic compensation

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Liu Jiayi, Yang Dejian, Mu Jia’nan, Chen Ning, Qian Minhui, Yan Gangui. ADAPIVE HIERARCHICAL COORDINATED CONTROL OF WIND FARM FOR FAST FREQUENCY SUPPORT[J]. Acta Energiae Solaris Sinica. 2026, 47(2): 589-598 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1882

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