MANUEL TORRES ROLDÁNMANUEL TORRES ROLDÁNMARTA MARIA VARO MARTINEZ2026-01-292026-01-29201610.24084/repqj14.3832-s2.0-85073317876https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/30906Electrical and Electronic EngineeringEnergy Engineering and Power TechnologyRenewable Energy, Sustainability and the EnvironmentMathematical approach to the characterization of daily energy balance in autonomous photovoltaic solar systemsresearch article