含抽水蓄能的梯级水电站为主的省级电网多时间尺度电力电量平衡

葛鹏江; 柯贤波; 李海波; 吕金历; 张德海

doi:10.19912/j.0254-0096.tynxb.2024-1738

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (2) : 676-687. DOI: 10.19912/j.0254-0096.tynxb.2024-1738

含抽水蓄能的梯级水电站为主的省级电网多时间尺度电力电量平衡

葛鹏江¹, 柯贤波¹, 李海波², 吕金历², 张德海²

作者信息 +

MULTI TIME SCALE POWER AND ELECTRICITY BALANCE FOR PROVINCIAL-LEVEL POWER GRID MAINLY CONSISTING OF CASCADED HYDROPOWER STATIONS WITH PUMPED STORAGE

Ge Pengjiang¹, Ke Xianbo¹, Li Haibo², Lyu Jinli¹, Zhang Dehai²

Author information +

文章历史 +

摘要

针对在含抽蓄和梯级水电站的电力电量平衡中存在的多时间尺度耦合问题,聚焦于由多流域梯级水电站主导的省级电网,探讨不同时间尺度下电力系统的供需平衡问题。首先,详细探讨该类电网的特性及其与抽水蓄能电站之间的复杂耦合关系,并提出一个基于置信区间的鲁棒优化策略来应对这些挑战。构建用于在年度、周度以及每日的时间框架内电力系统的供需平衡情况分析模型。最后,通过模拟某省2030年的电网规划布局,并在几种不同场景下进行优化,以评估在不同条件下电力系统的供需平衡状态。仿真验证表明,所提电力电量平衡方法可实现跨时间尺度的协同优化,在确保年度计划的同时可有效满足周内与日内调峰需求,较传统方法可显著降低弃负荷率与弃电率。此外,抽水蓄能电站不仅具备丰水期电量转移功能,还可依托其库容优势以常规水电模式实现跨季节调节,同时为系统提供优质的旋转备用支撑。

Abstract

Addressing the multi-time scale coupling issues in power and energy balance systems involving pumped storage and cascade hydropower stations, this study focuses on provincial power grids dominated by multi-basin cascade hydropower systems to explore supply-demand balance challenges across different temporal scales. Firstly, the characteristics of the provincial power grid mainly consisting of multi basin cascade hydropower stations with pumped storage and the bidirectional coupling relationship of different time scales were analyzed, and a robust optimization method based on confidence intervals was determined; Secondly, a power and electricity balance model was established at different time scales of year, week, and day; Finally, simulation calculations were conducted based on the planning and construction of a provincial power grid in 2030, and results under different scenarios were analyzed. The simulation results show that the power and electricity balance method proposed in this paper can balance various indicators of different time scale plans and ensure both weekly and daily peak shaving needs while formulating annual plans. Pumped storage power stations can play a role in various situations considering different water and load conditions. They can not only transfer electricity during wet years, but also use large storage capacity to operate in a conventional hydroelectric manner to absorb and replenish water, and provide high-quality rotating backup power for the system.

导出引用

葛鹏江, 柯贤波, 李海波, 吕金历, 张德海. 含抽水蓄能的梯级水电站为主的省级电网多时间尺度电力电量平衡[J]. 太阳能学报. 2026, 47(2): 676-687 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1738

Ge Pengjiang, Ke Xianbo, Li Haibo, Lyu Jinli, Zhang Dehai. MULTI TIME SCALE POWER AND ELECTRICITY BALANCE FOR PROVINCIAL-LEVEL POWER GRID MAINLY CONSISTING OF CASCADED HYDROPOWER STATIONS WITH PUMPED STORAGE[J]. Acta Energiae Solaris Sinica. 2026, 47(2): 676-687 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1738

中图分类号： TM73

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