Switching Frequency Effects on the Efficiency and Harmonic Distortion in a Three-Phase Five-Level CHBMI Prototype with Multicarrier PWM Schemes: Experimental Analysis

Alessandro Busacca, Antonino Oscar Di Tommaso, Rosario Miceli, Claudio Nevoloso, Giuseppe Schettino, Gioacchino Scaglione, Fabio Viola and Ilhami Colak
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Alessandro Busacca: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Antonino Oscar Di Tommaso: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Rosario Miceli: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Claudio Nevoloso: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Giuseppe Schettino: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Gioacchino Scaglione: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Fabio Viola: Department of Engineering, University of Palermo, Viale delle Scienze, Parco d’Orleans, 90128 Palermo, Italy
Ilhami Colak: Department of Electrical and Electronics Engineering, Nisantasi University, Istanbul 34406, Turkey

Energies, 2022, vol. 15, issue 2, 1-29

Abstract: The current climatic scenario requires the use of innovative solutions to increase the production of electricity from renewable energy sources. Multilevel Power Inverters are a promising solution to improve the penetration of renewable energy sources into the electrical grid. Moreover, the performance of MPIs is a function of the modulation strategy employed and of its features (modulation index and switching frequency). This paper presents an extended and experimental analysis of three-phase five-level Cascaded H-Bridges Multilevel Inverter performance in terms of efficiency and harmonic content considering several MC PWM modulation strategies. In detail, the CHBMI performance is analyzed by varying the modulation index and the switching frequency. For control purposes, the NI System On Module sbRIO-9651 control board, a dedicated FPGA-based control board for power electronics and drive applications programmable in the LabVIEW environment, is used. The paper describes the modulation strategies implementation, the test bench set-up, and the experimental investigations carried out. The results obtained in terms of Total Harmonic Distorsion (THD) and efficiency are analyzed, compared, and discussed.

Keywords: multilevel power inverter; CHBMI; multicarrier PWM; sbRIO-9651; FPGA (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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