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dc.contributor.author Baier, CR
dc.contributor.author Villarroel, FA
dc.contributor.author Torres, MA
dc.contributor.author Pérez, MA
dc.contributor.author Hernández, JC
dc.contributor.author Espinosa, EE
dc.date.accessioned 2024-01-17T15:53:56Z
dc.date.available 2024-01-17T15:53:56Z
dc.date.issued 2023
dc.identifier.uri https://repositorio.uoh.cl/handle/611/284
dc.description.abstract Small grid-connected inverters are not friendly to the electrical grid, in the sense they do not take any action to support the grid when contingency events occur. For example, because of their relatively low power capacity, small grid-connected inverters are not designed to provide dynamic frequency support to the grid. On the other hand, it is well known that microgrids and weak grids including distributed generation would benefit significantly if all of the grid-connected converters could support and help against grid frequency disturbances. Within the family of small grid-connected converters, single-phase quasi-Z-source inverters (QZSI) have become an attractive topology, because they represent a reliable and economical alternative, and can be very efficient in applications that demand small or medium powers. However, a major disadvantage is that the control strategy must manage both direct current and alternating current variables through the same group of switches. The latter is a challenging task when implementing predictive control schemes. This paper proposes a finite control set model predictive control (FCS-MPC) strategy for a single-phase grid-supporting QZSI. The proposed predictive scheme can be easily integrated with a complementary control block to provide grid frequency support. Experimental results show evidence of the inverter operating under the proposed control strategy and providing grid frequency support, which demonstrates the feasibility of the proposal.
dc.description.sponsorship ANID/FONDECYT
dc.description.sponsorship Council of Andalucia (Junta de Andalucia, Consejeria de Transformacion Economica, Industria, Conocimiento y Universidades, Secretaria General de Universidades, Investigacion y Tecnologia)
dc.relation.uri http://dx.doi.org/10.1109/ACCESS.2023.3236499
dc.subject Inverters
dc.subject Renewable energy sources
dc.subject Microgrids
dc.subject Frequency control
dc.subject Predictive control
dc.subject Semiconductor diodes
dc.subject Power grids
dc.subject FCS-MPC
dc.subject grid connected inverters
dc.subject impedance source inverters
dc.subject QZSI
dc.subject predictive control
dc.subject droop control
dc.subject frequency support
dc.title A Predictive Control Scheme for a Single-Phase Grid-Supporting Quasi-Z-Source Inverter and Its Integration With a Frequency Support Strategy
dc.type Artículo
uoh.revista IEEE ACCESS
dc.identifier.doi 10.1109/ACCESS.2023.3236499
dc.citation.volume 11
dc.identifier.orcid Perez, Marcelo A./0000-0003-4166-448X
dc.identifier.orcid Espinosa, Eduardo/0000-0002-8896-0852
dc.identifier.orcid Hernandez, J.C./0000-0001-9117-1689
dc.identifier.orcid Baier, Carlos R./0000-0002-1752-1625
uoh.indizacion Web of Science


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