考虑风电出力不确定性对抽水/发电状态影响的风火蓄系统优化调度

李生虎; 丁禛; 夏伟健; 刘超越

doi:10.19912/j.0254-0096.tynxb.2024-2022

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (3) : 194-202. DOI: 10.19912/j.0254-0096.tynxb.2024-2022

考虑风电出力不确定性对抽水/发电状态影响的风火蓄系统优化调度

李生虎, 丁禛, 夏伟健, 刘超越

作者信息 +

OPTIMAL DISPATCH OF WIND/THERMAL/PUMPED STORAGE SYSTEM CONSIDERING IMPACT OF WIND POWER UNCERTAINTY ON PUMPING/GENERATION STATES

Li Shenghu, Ding Zhen, Xia Weijian, Liu Chaoyue

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文章历史 +

摘要

为调节抽水蓄能机组（PSU）出力以应对风电出力波动,提出基于PSU等效抽水和发电时间（PGD）对不确定风电出力灵敏度的风火蓄系统优化模型。首先,采用多面体不确定集描述风电出力不确定性,建立风火蓄系统优化调度模型。其次,提出PGD对不确定风电出力灵敏度的解析表达,得到PGD调整量。最后,以上水库库容变化为中间变量,推导PGD与功率调整量之间的关系,根据风电出力预测偏差调整PSU出力。算例结果验证所提模型在保证风火蓄系统经济性的同时可提高系统灵活性和PSU利用率。

Abstract

To regulate PSU output in response to wind power output fluctuations, an optimization model for wind-thermal-pumped storage systems is proposed based on the sensitivity of equivalent pump-generation duration （PGD） of pumped storage units （PSU） with respect to wind power uncertainty. Firstly, a polyhedral uncertainty set is used to describe wind power uncertainty, and an optimal dispatch model for wind/thermal/pumped storage systems is established. Secondly, an analytical expression of the sensitivity of PGD with respect to wind power uncertainty is proposed to obtain PGD adjustments. Finally, using upper reservoir capacity change as an intermediate variable, the relationship between PGD and power adjustment is newly derived to adjust PSU according to wind power prediction deviation. Case study results verify that the proposed model improves system flexibility capacity and PSU utilization while ensuring system economics.

导出引用

李生虎, 丁禛, 夏伟健, 刘超越. 考虑风电出力不确定性对抽水/发电状态影响的风火蓄系统优化调度[J]. 太阳能学报. 2026, 47(3): 194-202 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2022

Li Shenghu, Ding Zhen, Xia Weijian, Liu Chaoyue. OPTIMAL DISPATCH OF WIND/THERMAL/PUMPED STORAGE SYSTEM CONSIDERING IMPACT OF WIND POWER UNCERTAINTY ON PUMPING/GENERATION STATES[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 194-202 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2022

中图分类号： TM614

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