Pulse-Width Modulation Template for Five-Level Switch-Clamped H-Bridge-Based Cascaded Multilevel Inverter

Charles Ikechukwu Odeh, Dmytro Kondratenko, Arkadiusz Lewicki, Marcin Morawiec, Andrzej Jąderko and Janusz Baran
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Charles Ikechukwu Odeh: Department of Electrical Engineering, University of Nigeria, Nsukka 410001, Nigeria
Dmytro Kondratenko: Faculty of Electrical and Control Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
Arkadiusz Lewicki: Faculty of Electrical and Control Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
Marcin Morawiec: Faculty of Electrical and Control Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
Andrzej Jąderko: Faculty of Electrical Engineering, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Janusz Baran: Faculty of Electrical Engineering, Czestochowa University of Technology, 42-201 Czestochowa, Poland

Energies, 2021, vol. 14, issue 22, 1-18

Abstract: This article presents a carrier-based pulse-width modulation (PWM) template for a 5-level, H bridge-based cascaded multilevel inverter (MLI). The developed control concept generates adequate modulation template for this inverter topology wherein a sinusoidal modulating waveform is modified to fit in a single triangular carrier signal range. With this modulation approach, classical multiplicity and synchronization of the triangular carrier signals criterion for the extension of sinusoidal pulse-width modulation, SPWM, to several cascaded 5-level, H-bridge-based MLI topology are removed. The proposed template can be used on the inverter configuration of any level with no further control modification. Nearly even distribution of switching pulses and equalized individual cascaded cell output power were achieved with the proposed modulation scheme. Three 5-level, H-bridge-based MLI units were cascaded for 1-phase, 13-level inverter operation; simulation and experimental results are adequately presented.

Keywords: multilevel inverter; cascaded inverter; H-bridge; sinusoidal pulse-width modulation (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: 2021
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