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Título : | Integration of Run-of-River/Pumped Hydro with an Energy Storage System Based on Batteries and Supercapacitors for Enabling Ancillary Services and Extending the Lifetime of Generating Equipment |
Autor : | Nájera, Jorge Blanco, Marcos Peréz-Díaz, Juan Ignacio Sarasúa, Jose Ignacio Ghanaee, Elahe |
Palabras clave : | Hydroelectric power plant Lithium-ion battery Supercapacitor Frequency regulation Hybrid energy storage |
Fecha de publicación : | 3-oct-2025 |
Citación : | Hybrid Energy Storage -Case Studies for the Energy Transition; |
Resumen : | This chapter explores the integration of run-of-river and pumped-storage
hydroelectric power plants with lithium-ion batteries and supercapacitors to enhance
frequency regulation while minimizing mechanical stress on hydropower units.
Hydroelectric plants play a key role in grid stability, but frequent power adjustments
required for ancillary services accelerate wear and tear on their mechanical compo-
nents. The proposed hybrid system follows a cascading control approach, where each
energy storage element protects the next: lithium-ion batteries handle medium-term
power fluctuations, reducing the need for constant hydro unit adjustments, while
supercapacitors absorb rapid transients, shielding both the batteries and the hydro
units from excessive cycling and mechanical fatigue. This setup improves the effi-
ciency and lifespan of all components while enhancing the plant’s ability to partici-
pate in ancillary service markets. The chapter reviews state-of-the-art solutions and
presents a detailed analysis of technical requirements for hybrid hydropower-storage
systems. It also discusses results from simulations and laboratory tests that validate
the effectiveness of the proposed configuration. Findings indicate that integrating
batteries and supercapacitors with hydropower can significantly improve frequency
regulation quality, extend asset lifespan, and facilitate higher penetration of renew-
able energy sources, making hybrid hydropower systems a crucial component of
future power grids |
URI : | http://documenta.ciemat.es/handle/123456789/5203 |
ISSN : | 978-3-031-97754-1 |
Aparece en las colecciones: | Libros de Tecnología
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