Modulated model based predictive control with switcher of redundant states for a three-phase cascade H-bridge multilevel STATCOM

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URI
http://hdl.handle.net/20.500.14066/3279
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Author(s)
Comparatore Franco, Leonardo DavidCONACYT Authority; Rodas Benítez, Jorge EstebanCONACYT Authority; Gregor Recalde, Raúl IgmarCONACYT Authority; Rivera, Marco
Date of publishing
2018
Type of publication
research article
Subject(s)
Abstract
Due to problems caused by variable switching frequency a modulated model based predictive control was proposed for different topologies and their applications. However, for cascade H-bridge multilevel converters, there is another problem, the imbalance in the dc-link voltages. This paper proposes extend the modulated model based predictive control to a cascade H-bridge 7-level STATCOM, further including a switcher of redundant states to solve the imbalance voltage issue. Simulation results show improvements in terms of mean squared error, total harmonic distortion and balance voltages in the dc-links.
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