Author, as appears in the article.: Restrepo C; Barrueto B; Murillo-Yarce D; Munoz J; Vidal-Idiarte E; Giral R
Department: Enginyeria Electrònica, Elèctrica i Automàtica
URV's Author/s: Giral Castillon, Roberto / Vidal Idiarte, Enric
Keywords: Voltage control Versatile buck-boost converter Switching frequency Switches Steady-state Stand-alone photovoltaic application Maximum power point trackers Fixed switching frequency Fast mppt Current-mode model predictive control Current control Batteries voltage control versatile buck-boost converter switching frequency switches steady-state stand-alone photovoltaic application range power point tracking mppt maximum power point trackers fcs-mpc fast mppt dc-dc converter current-mode model predictive control batteries
Abstract: The digital implementation of all the control loops of a versatile buck-boost (VBB) dc-dc converter used in a stand-alone photovoltaic application is proposed in this paper to improve existing digital-analog sliding-mode-based implementations. All three control loops: maximum power point tracking (MPPT), fast input voltage regulation, and inner high-bandwidth current control, have been programmed in the same digital signal controller (DSC). A Model Predictive Control (MPC) based algorithm has satisfactorily solved the challenge of implementing the nominal 100 kHz switching frequency current loop. The MPC cost function is distributed throughout the algorithm to achieve three specific goals: the tracking of the reference current (G1), a quasi-constant steady-state switching frequency (G2), and the assurance that the duration of an interval is larger than the time required to calculate it (G3). The third goal requires the current control to toggle between peak- and valley-modes depending on the operating point. The correct fulfillment of these control objectives on the proposed MPC-based algorithm has been validated through simulations and experimental tests performed on a purpose built-prototype.
Thematic Areas: Engineering, electrical & electronic Engenharias iv Engenharias iii Energy engineering and power technology Energy & fuels Electrical and electronic engineering
licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: roberto.giral@urv.cat enric.vidal@urv.cat
Author identifier: 0000-0001-6582-6741 0000-0002-6016-4096
Record's date: 2024-09-07
Papper version: info:eu-repo/semantics/acceptedVersion
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Ieee Transactions On Energy Conversion. 37 (3): 1-14
APA: Restrepo C; Barrueto B; Murillo-Yarce D; Munoz J; Vidal-Idiarte E; Giral R (2022). Improved Model Predictive Current Control of the versatile Buck-Boost Converter for a Photovoltaic Application. Ieee Transactions On Energy Conversion, 37(3), 1-14. DOI: 10.1109/TEC.2022.3183986
Entity: Universitat Rovira i Virgili
Journal publication year: 2022
Publication Type: Journal Publications
Repositori URV