抑制直流受端频率波动的变速抽水蓄能机组自适应控制策略

张建坡; 陈晓轩; 贾焦心

doi:10.19912/j.0254-0096.tynxb.2025-0483

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (7) : 351-364. DOI: 10.19912/j.0254-0096.tynxb.2025-0483

抑制直流受端频率波动的变速抽水蓄能机组自适应控制策略

张建坡, 陈晓轩, 贾焦心

作者信息 +

IMPROVED ACTIVE DISTURBANCE REjECTION CONTROL STRATEGY FOR VARIABLE SPEED PUMPED STORAGE UNIT TO SUPPRESS FREQUENCY FLUCTUATIONS AT DC RECEIVING ENDS

Zhang Jianpo, Chen Xiaoxuan, Jia Jiaoxin

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文章历史 +

摘要

伴随直流输电工程和新能源快速发展,直流受端电网调频调压能力不断减弱;可变速抽水蓄能机组（VSPS）作为电网调频调峰技术之一,得到广泛关注与应用。针对直流受端频率波动和抑制问题,该文首先阐述VSPS调频机理及频率响应模型;然后,设计VSPS基于自抗扰控制的频率响应环节,建立自抗扰控制状态方程,确定控制参数,得到受端电网频率修正量;同时,在有功/频率耦合环节加入下垂-惯量系数自适应整定策略,提升电网频率波动抑制效果。最后,基于PSCAD/EMTDC平台仿真结果表明：自适应控制策略能充分发挥VSPS调频能力,实现电网频率有效支撑,具有一定工程应用参考意义。

Abstract

With the rapid development of direct current transmission projects and new energy, the frequency regulation and voltage regulation capabilities of the direct current receiving-end power grids have been continuously weakened. The variable speed pumped storage unit （Variable Speed Pumped Storage Unit, VSPS）, as one of the grid frequency regulation and peak shaving technologies, has received extensive attention and application. To address the frequency fluctuations and suppression issues at the direct current receiving end, this paper first elaborates on the frequency regulation mechanism and frequency response model of the VSPS; then, it designs the frequency response link of the VSPS based on active disturbance rejection control, establishes the state equation of active disturbance rejection control, determines the control parameters, and obtains the frequency correction amount of the receiving-end power grid; at the same time, an adaptive tuning strategy for the droop-inertia coefficient is added to the active/frequency coupling link to enhance the frequency fluctuation suppression effect of the power grid. Finally, the simulation results based on the PSCAD/EMTDC platform show that the adaptive control strategy can fully exert the frequency regulation capability of the VSPS, achieve effective support for the grid frequency, and has certain engineering application reference significance.

导出引用

张建坡, 陈晓轩, 贾焦心. 抑制直流受端频率波动的变速抽水蓄能机组自适应控制策略[J]. 太阳能学报. 2026, 47(7): 351-364 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0483

Zhang Jianpo, Chen Xiaoxuan, Jia Jiaoxin. IMPROVED ACTIVE DISTURBANCE REjECTION CONTROL STRATEGY FOR VARIABLE SPEED PUMPED STORAGE UNIT TO SUPPRESS FREQUENCY FLUCTUATIONS AT DC RECEIVING ENDS[J]. Acta Energiae Solaris Sinica. 2026, 47(7): 351-364 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0483

中图分类号： TM761 TV743

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