电力系统保护与控制2025，Vol.53Issue(19)：25-38,14.DOI:10.19783/j.cnki.pspc.241661
含混合式抽水蓄能的梯级水电系统多时间尺度调度策略
Multi-time scale scheduling strategy for cascade hydropower systems with hybrid pumped storage
摘要
Abstract
To support the construction of new power systems,the role of hydropower has gradually shifted from being solely an"power supplier"to an"power supplier+flexible regulator".However,traditional day-ahead scheduling methods for hydropower do not account for short-term power balancing at intra-day or real-time scales,limiting their ability to cope with short-term new energy fluctuations.To address this issue,a multi-time scale scheduling method for cascade hydropower systems with hybrid pumped storage is proposed to fully explore the flexible regulation potential of hydropower.First,based on the operation characteristics of hybrid pumped storage,its new energy consumption capacity is analyzed,along with challenges in participating in real-time power balancing from both energy and water perspectives.Second,a multi-time scale scheduling framework for an integrated hydro-wind-thermal-storage system is constructed.In the real-time stage,the concept of an allowable fluctuation range of reservoir water level is introduced to limit the water level fluctuation between the end-of-period and target water levels,thereby ensuring compliance with medium-and long-term reservoir level boundary conditions.Finally,case studies are carried out on the IEEE39-bus system with the objective of minimizing total system cost.The results show that incorporating hybrid pumped storage into real-time power balancing improves the system regulation capability and facilitates safe,economical,and low-carbon operation.关键词
混合式抽水蓄能/梯级水电/多时间尺度/灵活调节/新能源消纳Key words
hybrid pumped storage/cascade hydropower/multi-time scale/flexible regulation/new energy consumption引用本文复制引用
徐晓庆,柴旭峥,崔杨,唐耀华,杨茂..含混合式抽水蓄能的梯级水电系统多时间尺度调度策略[J].电力系统保护与控制,2025,53(19):25-38,14.基金项目
This work is supported by the National Key Research and Development Program of China(No.2022YFB2403000). 国家重点研发计划项目资助(2022YFB2403000) （No.2022YFB2403000）
