Predictive Optimal Variable-Angle PS-PWM Strategy for Cascaded H-Bridge Converters

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dc.catalogadorgjm
dc.contributor.authorPoblete Durruty, Pablo Martín
dc.contributor.authorGajardo Rojas, José Ignacio
dc.contributor.authorCuzmar Leiva, Rodrigo Hernán
dc.contributor.authorAguilera, Ricardo P.
dc.contributor.authorPereda Torres, Javier Eduardo
dc.contributor.authorLu, Dylan
dc.contributor.authorMárquez, Abraham M.
dc.date.accessioned2024-03-18T16:51:48Z
dc.date.available2024-03-18T16:51:48Z
dc.date.issued2024
dc.description.abstractCascaded H-bridge (CHB) converters are an attractive candidate for numerous applications, including static synchronous compensators and next-generation photovoltaic and battery energy storage inverters. Due to its simplicity, scalability, and excellent harmonic performance, phase-shifted pulsewidth modulation (PS-PWM) is one of the preferred modulation strategies for CHB converters. However, the latter advantage might be drastically affected when an unbalanced operation in the H-bridge cells is required, e.g., setting different dc-voltage levels and/or ac-voltage references among cells. This work proposes a predictive optimal variable angle PS-PWM (OVA-PS-PWM) strategy for CHB converters. The proposed OVA-PS-PWM introduces a bilinear dynamic model that describes the impact of the phase-shift angles (PS-angles) over the CHB output voltage harmonics. This model is then employed to formulate an optimal control problem that minimizes the output voltage harmonic distortion. An analytical optimal solution for a PS-angle update rule that applies to CHB converters of any number of cells is derived. As a result, the proposed OVA-PS-PWM updates each PS-angle at every sampling instant, significantly improving the harmonic content of the CHB output voltage even under severely unbalanced operation scenarios. Experimental results are provided with a CHB converter with nine cells to verify the effectiveness of the proposed optimal modulation strategy.
dc.fechaingreso.objetodigital2024-03-18
dc.format.extent11 páginas
dc.fuente.origenORCID
dc.identifier.doi10.1109/TIE.2024.3370998
dc.identifier.urihttps://doi.org/10.1109/TIE.2024.3370998
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/84614
dc.identifier.wosidWOS:001185651000001
dc.information.autorucEscuela de Ingeniería; Poblete Durruty, Pablo Martín; 0000-0002-7627-8397; 232497
dc.information.autorucEscuela de Ingeniería; Gajardo Rojas, José Ignacio; 0009-0008-7646-3593; 1049371
dc.information.autorucEscuela de Ingeniería; Cuzmar Leiva, Rodrigo Hernán; 0000-0002-1882-7984; 223056
dc.information.autorucEscuela de Ingeniería; Pereda Torres, Javier Eduardo; 0000-0002-3407-5233; 131481
dc.language.isoen
dc.nota.accesoContenido parcial
dc.revistaIEEE Transactions on Industrial Electronics
dc.rightsacceso restringido
dc.subject.ddc620
dc.subject.deweyIngenieríaes_ES
dc.subject.ods07 Affordable and clean energy
dc.subject.odspa07 Energía asequible y no contaminante
dc.titlePredictive Optimal Variable-Angle PS-PWM Strategy for Cascaded H-Bridge Converters
dc.typepreprint
sipa.codpersvinculados232497
sipa.codpersvinculados1049371
sipa.codpersvinculados223056
sipa.codpersvinculados131481
sipa.trazabilidadORCID;2024-03-18
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