This paper discusses the advantages of asymmetric multilevel inverters over traditional inverters and presents a comparative analysis between symmetric and asymmetric cascaded H-bridge multilevel topologies. The use of multilevel inverters is gaining importance in sectors such as electric transportation and renewable energy integration due to their ability to generate high-quality waveforms with lower harmonic content. However, the cost associated with multilevel inverters is a challenge due to the large number of required components. The paper focuses on a single-phase 7-level binary asymmetrical Cascaded H-Bridge Multilevel Inverter (CHBMIs) and compares its performance with the symmetrical counterpart in terms of both harmonic content and total harmonic distortion. In addition, the percentage of power absorbed by both bridges of the asymmetric converter is also analyzed. The results presented in this work show demonstrate the effectiveness of the proposed asymmetrical converter.
Caruso M., Di Tommaso A.O., Frequente G., Miceli R., Nevoloso C., Scaglione G., et al. (2023). Comparative Detailed Analysis of a 7-Level Cascaded H-Bridge Inverter in Symmetric and Asymmetric Configurations. In 2023 115th AEIT International Annual Conference, AEIT 2023. Institute of Electrical and Electronics Engineers Inc. [10.23919/AEIT60520.2023.10330314].
Comparative Detailed Analysis of a 7-Level Cascaded H-Bridge Inverter in Symmetric and Asymmetric Configurations
Caruso M.;Di Tommaso A. O.;Frequente G.;Miceli R.;Nevoloso C.;Scaglione G.;Schettino G.
2023-10-05
Abstract
This paper discusses the advantages of asymmetric multilevel inverters over traditional inverters and presents a comparative analysis between symmetric and asymmetric cascaded H-bridge multilevel topologies. The use of multilevel inverters is gaining importance in sectors such as electric transportation and renewable energy integration due to their ability to generate high-quality waveforms with lower harmonic content. However, the cost associated with multilevel inverters is a challenge due to the large number of required components. The paper focuses on a single-phase 7-level binary asymmetrical Cascaded H-Bridge Multilevel Inverter (CHBMIs) and compares its performance with the symmetrical counterpart in terms of both harmonic content and total harmonic distortion. In addition, the percentage of power absorbed by both bridges of the asymmetric converter is also analyzed. The results presented in this work show demonstrate the effectiveness of the proposed asymmetrical converter.File | Dimensione | Formato | |
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