Rodríguez Ramos, EzequielLeyva, RamónLiu, QingxiangVázquez Pérez, SergioFarivar, Glen G.Townsend, Christopher D.2025-05-302025-05-302024-08Rodríguez Ramos, E., Leyva, R., Liu, Q., Vázquez Pérez, S., Farivar, G.G. y Townsend, C.D. (2024). Discontinuous PWM Operation of a Single-Phase PV Generator With Low-Voltage Energy Storage. IEEE Transactions on Industrial Electronics, 72 (3), 2997-3007. https://doi.org/10.1109/TIE.2024.3436625.0278-00461557-9948https://hdl.handle.net/11441/173766Abstract—Using energy storage in grid-connected photovoltaic (PV) generators is an efficient solution to deliver regulated power to the grid despite fluctuations in solar irradiance. The paper analyses a single-phase grid-connected PV generators with energy storage, where the energy storage has a low voltage, namely without too many series-connected storing cells. The PV generator consists of three subsystems connected by a common dc-link capacitor: a PV unit, an energy storage unit, and an inverter. Furthermore, in the proposed solution, the inverter does not switch for a significant portion of the grid period, resulting in lower switching losses. The single-phase inverter discontinuous operation implies the need of an appropriate control strategy in the boost dc-dc converter of the energy storage unit. The proposed control employs an augmented state model that accounts for resonant variables. The proposed PV solution with low-voltage energy storage, including its control, is validated in a 350-VA experimental prototype to verify the novel approachapplication/pdf10 p.engAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/Battery energy storage system (BESS)discontinuous modulationlinear matrix inequality (LMI) controlmaximum power point tracking (MPPT)photovoltaic (PV) systemresonant controlinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccesshttps://doi.org/10.1109/TIE.2024.3436625