RT journal article
T1 Characterization of the Hydropower Inlet Effect on the Electric Network Frequency
A1 Álvarez Higueruela, Jesús
A1 Gutiérrez Villalba, Francisco José
A1 Sierra Fernández, José María
A1 González de la Rosa, Juan José
A1 Florencias Oliveros, Olivia
A1 Palomares Salas, José Carlos
A1 Agüera Pérez, Agustín
A1 Espinosa Gavira, Manuel Jesús
A2 Ingeniería en AutomáticaElectrónica, Arquitectura y Redes de Computadores
K1 correlation power frequency
K1 frequency stability
K1 hydropower
K1 power quality analysis
AB One of the challenges posed by renewable energies is the stabilization of parameters related to the quality of electrical energy. This study demonstrates the existence of a relationship between input blocks of hydropower and the variation of the fundamental frequency of the electricity grid. By mapping production data provided by the Spanish Electric Network with frequency measured in the laboratory, it is shown that gradients of hydropower are correlated with frequency fluctuations for certain characteristic times. Considering hourly instances of energy input, the study compares two methods for calculating hydropower gradients (linear regression and pseudo-linear regression) and two methods for calculating local frequency extrema (the “specular inertia” method and analysis by comparison with the moving average) in order to corroborate the results.
PB MDPI
SN 1996-1073
YR 2023
FD 2023-04-29
LK http://hdl.handle.net/10498/31597
UL http://hdl.handle.net/10498/31597
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 08-nov-2026