PARAMETER SETTING METHOD FOR WIND POWER FREQUENCY SUPPORT CONTROL BASED ON WEIGHING FREQUENCY EXTREME POINTS

Zhang Chao; Weng Yunfeng; Li Jingxian

doi:10.19912/j.0254-0096.tynxb.2024-2053

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (3) : 420-429. DOI: 10.19912/j.0254-0096.tynxb.2024-2053

PARAMETER SETTING METHOD FOR WIND POWER FREQUENCY SUPPORT CONTROL BASED ON WEIGHING FREQUENCY EXTREME POINTS

Zhang Chao, Weng Yunfeng, Li Jingxian

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Abstract

To address frequency drops in the power system during various frequency support intervals, this paper proposes a method for setting frequency support control parameters for wind power based on weighing frequency extreme points. First, we qualitatively analyze how frequency support control parameters of wind power impact the system’s dynamic frequency response. Next, we derive the time-domain expression for the system frequency dynamic response model, taking into account the contributions of synchronous generators and wind power during frequency support. We also investigate how different damping ratios affect the accuracy of the time-domain analytical formula. Subsequently, we analyze the power disturbances experienced by the system when wind turbines exit frequency support, developing a calculation method to evaluate the system’s frequency extreme points during the rotational speed recovery period of wind turbines. Based on this analysis, we establish an optimization model aimed at setting frequency support control parameters that minimize all frequency extreme points during the frequency support intervals. Finally, case studies validate that the proposed method can effectively set frequency support parameters according to varying wind power proportions, ensuring the frequency support capability of wind turbines without causing significant secondary frequency drop in the system due to excessive release of kinetic energy during frequency support.

Key words

wind turbines / primary frequency regulation / frequency response / parameters setting / secondary frequency drop / frequency extreme points

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Zhang Chao, Weng Yunfeng, Li Jingxian. PARAMETER SETTING METHOD FOR WIND POWER FREQUENCY SUPPORT CONTROL BASED ON WEIGHING FREQUENCY EXTREME POINTS[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 420-429 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2053

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