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Performances of a three-phase five-level cascaded H-bridge inverter with phase shifted B-spline based modulation techniques

  • Authors: Castiglia, V.; Livreri, P.; Miceli, R.; Raciti, A.; Schettino, G.; Viola, F.
  • Publication year: 2017
  • Type: Contributo in atti di convegno pubblicato in volume
  • OA Link:


This paper presents a novel study of the performances of a five-level three-phase Cascaded H-Bridge Multilevel Inverter with Phase Shifted B-Spline based modulation techniques. The study has been focused on the use of B-Spline functions as carrier signals in order to evaluate the performances of the converter in terms of harmonic content on the output voltage. In the first step of this analysis the THD% has been taken into account to compare the voltage waveforms. Interesting results have been found on the fundamental amplitude of the phase and line voltage. Moreover, harmonic spectra has been compared to evaluate the different harmonic distribution in the voltage waveforms. In this work the analysis hasbeen carried out in the Matlab-Simulink∗environment.