Discrete-Time Sliding Mode Current Control for a Seven-Level Cascade H-Bridge Converter

Leonardo Comparatore (), Magno Ayala, Yassine Kali, Jorge Rodas, Julio Pacher, Alfredo Renault and Raúl Gregor
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Leonardo Comparatore: Laboratory of Power and Control Systems, Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Magno Ayala: Laboratory of Power and Control Systems, Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Yassine Kali: GRÉPCI Laboratory, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada
Jorge Rodas: Laboratory of Power and Control Systems, Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Julio Pacher: Laboratory of Power and Control Systems, Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Alfredo Renault: Laboratory of Power and Control Systems, Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay
Raúl Gregor: Laboratory of Power and Control Systems, Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay

Energies, 2023, vol. 16, issue 5, 1-19

Abstract: This paper deals with the implementation and performance analysis of discrete-time sliding mode (DTSM) current control applied to a seven-level cascade H-bridge converter to track three-phase reference currents for a reactive load. The converter output voltages are synthesized using a modulation scheme based on phase-shifted carrier modulation. Simulation and experimental tests have been added to demonstrate the performance of the proposed controller. At the same time, the effectiveness of the DTSM is verified under transient and steady-state conditions, respectively, by measuring the total harmonic distortion and the mean square error.

Keywords: cascade H-bridge; current control; multilevel converter; nonlinear control; sliding mode control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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