Predictive Control of Cascaded H-Bridge Converters Under Unbalanced Power Generation

Aguilera, Ricardo P.; Acuna, Pablo; Yu, Yifan; Konstantinou, Georgios; Townsend, Christopher D.; Wu, Bin; Agelidis, Vassilios G.

Abstract

This paper presents a predictive control strategy for grid-connected cascaded H-bridge (CHB) converters under unbalanced power generation among each converter phase. The proposed controller belongs to the finite-control-set model predictive control (FCS-MPC) family and is designed to extract unbalanced power from each CHB converter phase while providing balanced power to the grid. The key novelty of this strategy lies in the way the unbalanced power generation among the phases is explicitly considered into the optimal control problem. Power balance is achieved by enforcing the CHB converter to work with a suitable zero-sequence voltage component. The proposed predictive controller is directly formulated in the original abc-framework to account for the common-mode voltage. Simulation and experimental results are provided to verify the effectiveness of the proposed FCS-MPC strategy.

Más información

Título según WOS: ID WOS:000390470600001 Not found in local WOS DB
Título de la Revista: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volumen: 64
Número: 1
Editorial: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Fecha de publicación: 2017
Página de inicio: 4
Página final: 13
DOI:

10.1109/TIE.2016.2605618

Notas: ISI