Research on the Operation of 2 Reservoirs and 3 Stations with Hybrid Pumped Storage Power Station

DOI

10.2991/978-94-6463-726-7_12How to use a DOI?

Keywords

hybrid pumped-storage power station; complementary operation; 2 Reservoirs and 3 Stations

Abstract

The hybrid pumped storage power station, utilizing an existing reservoir, is expanded by integrating reversible pump-turbine units. Its operation and scheduling are tightly coupled with the original cascade reservoirs. On the one hand, reversible units, working in tandem with conventional hydropower, are used to complement renewable energy generation, thereby increasing clean electricity output and meeting the grid’s peak-shaving needs. On the other hand, scheduling must also balance the demands for mixed pumped storage, downstream reverse regulation, and other operational requirements, making its management inherently complex. This paper analyzes the operational and scheduling characteristics of domestic hybrid pumped storage power stations, with a case study of the Lianghekou hybrid pumped storage power station in Sichuan Province. Aiming to maximize integrated hydropower and photovoltaic generation as well as optimize cascade peak-shaving output, a day-ahead scheduling model for two reservoirs and three stations is developed. Based on simulated operational data from the reservoirs, the study examines the scheduling strategies for both conventional hydropower and hybrid pumped storage power stations under various waterhead conditions throughout the year. Furthermore, a day-ahead operational strategy for the Lianghekou hybrid pumped storage power station, incorporating two reservoirs and three stations, is proposed. The results indicate that under the multi-objective constraints of the new power system, the scheduling of the two reservoirs and three stations follows a clear and regular pattern. The findings provide valuable insights for guiding practical operations.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Xiangming Tao
AU  - Rui Bai
AU  - Jia Zhou
PY  - 2025
DA  - 2025/06/13
TI  - Research on the Operation of 2 Reservoirs and 3 Stations with Hybrid Pumped Storage Power Station
BT  - Proceedings of the 2024 6th International Conference on Hydraulic, Civil and Construction Engineering (HCCE 2024)
PB  - Atlantis Press
SP  - 114
EP  - 123
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6463-726-7_12
DO  - 10.2991/978-94-6463-726-7_12
ID  - Tao2025
ER  -