Black widow optimization of dead times in asymmetrical 5-level Cascaded H-Bridge Inverters

In order to improve the harmonic reduction in a multilevel inverter a new a symmetrical structure with different voltage levels is presented and driven with an innovative control strategy. The asymmetrical structures are able to create a 7-level staircase with a 5 level CHBMLI, levels that can be ea...

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Published in2024 12th International Conference on Smart Grid (icSmartGrid) pp. 499 - 503
Main Authors Ala, G., Colak, I., Di Tommaso, A.O., Miceli, R., Nevoloso, C., Scaglione, G., Schettino, G., Galluzzo, F. Ricco, Viola, F.
Format Conference Proceeding
LanguageEnglish
Published IEEE 27.05.2024
Subjects
Asymmetrical Cascaded H-Bridge Inverter
black widow optimization
Dead time
Harmonic analysis
Legged locomotion
Modulation techniques
Multilevel inverters
Renewable energy sources
SHE or SHM algorithms
Smart grids
THD
Total harmonic distortion
Voltage control
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DOI10.1109/icSmartGrid61824.2024.10578152

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Abstract In order to improve the harmonic reduction in a multilevel inverter a new a symmetrical structure with different voltage levels is presented and driven with an innovative control strategy. The asymmetrical structures are able to create a 7-level staircase with a 5 level CHBMLI, levels that can be easily created with renewable sources, the control strategy is able to use the dead times, needed to avoid short circuits in the same legs, in order to decrease the total harmonic distortions. An innovative genetic algorithm, black widow optimization is used. Through simulation, in the Matlab environment, the main benefits and drawbacks of the proposed approach are discussed
AbstractList In order to improve the harmonic reduction in a multilevel inverter a new a symmetrical structure with different voltage levels is presented and driven with an innovative control strategy. The asymmetrical structures are able to create a 7-level staircase with a 5 level CHBMLI, levels that can be easily created with renewable sources, the control strategy is able to use the dead times, needed to avoid short circuits in the same legs, in order to decrease the total harmonic distortions. An innovative genetic algorithm, black widow optimization is used. Through simulation, in the Matlab environment, the main benefits and drawbacks of the proposed approach are discussed
Author Miceli, R.
Galluzzo, F. Ricco
Di Tommaso, A.O.
Scaglione, G.
Schettino, G.
Colak, I.
Ala, G.
Viola, F.
Nevoloso, C.
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  fullname: Viola, F.
  email: fabio.viola@unipa.it
  organization: University of Palermo,Department of Engineering,Palermo,Italy,90100
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Snippet In order to improve the harmonic reduction in a multilevel inverter a new a symmetrical structure with different voltage levels is presented and driven with an...
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StartPage 499
SubjectTerms Asymmetrical Cascaded H-Bridge Inverter
black widow optimization
Dead time
Harmonic analysis
Legged locomotion
Modulation techniques
Multilevel inverters
Renewable energy sources
SHE or SHM algorithms
Smart grids
THD
Total harmonic distortion
Voltage control
Title Black widow optimization of dead times in asymmetrical 5-level Cascaded H-Bridge Inverters
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