Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter

This paper proposes an optimal methodology based on the Differential Evolution algorithm for obtaining the set of duty cycles of a recently proposed power electronics converter with input current ripple cancelation capability. The converter understudy was recently introduced to the state-of-the-art...

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Autores principales:	Julio C. Rosas-Caro, Pedro M. García-Vite, Alma Rodríguez, Abraham Mendoza, Avelina Alejo-Reyes, Erik Cuevas, Francisco Beltran-Carbajal
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Differential Evolution metaheuristic algorithms optimization DC–DC converter Mathematics QA1-939
Acceso en línea:	https://doaj.org/article/7cd1be2b8dc74b588c75c187a984eace
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spelling	oai:doaj.org-article:7cd1be2b8dc74b588c75c187a984eace2021-11-11T18:18:04ZDifferential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter10.3390/math92127552227-7390https://doaj.org/article/7cd1be2b8dc74b588c75c187a984eace2021-10-01T00:00:00Zhttps://www.mdpi.com/2227-7390/9/21/2755https://doaj.org/toc/2227-7390This paper proposes an optimal methodology based on the Differential Evolution algorithm for obtaining the set of duty cycles of a recently proposed power electronics converter with input current ripple cancelation capability. The converter understudy was recently introduced to the state-of-the-art as the interleaved connection of two unequal converters to achieve low input current ripple. A latter contribution proposed a so-called proportional strategy. The strategy can be described as the equations to relate the duty cycles of the unequal power stages. This article proposes a third switching strategy that provides a lower input current ripple than the proportional strategy. This is made by considering duty cycles independently of each other instead of proportionally. The proposed method uses the Differential Evolution algorithm to determine the optimal switching pattern that allows high quality at the input current side, given the reactive components, the switching frequency, and power levels. The mathematical model of the converter is analyzed, and thus, the decision variables and the optimization problem are well set. The proposed methodology is validated through numerical experimentation, which shows that the proposed method achieves lower input current ripples than the proportional strategy.Julio C. Rosas-CaroPedro M. García-ViteAlma RodríguezAbraham MendozaAvelina Alejo-ReyesErik CuevasFrancisco Beltran-CarbajalMDPI AGarticleDifferential Evolutionmetaheuristic algorithmsoptimizationDC–DC converterMathematicsQA1-939ENMathematics, Vol 9, Iss 2755, p 2755 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Differential Evolution metaheuristic algorithms optimization DC–DC converter Mathematics QA1-939
spellingShingle	Differential Evolution metaheuristic algorithms optimization DC–DC converter Mathematics QA1-939 Julio C. Rosas-Caro Pedro M. García-Vite Alma Rodríguez Abraham Mendoza Avelina Alejo-Reyes Erik Cuevas Francisco Beltran-Carbajal Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter
description	This paper proposes an optimal methodology based on the Differential Evolution algorithm for obtaining the set of duty cycles of a recently proposed power electronics converter with input current ripple cancelation capability. The converter understudy was recently introduced to the state-of-the-art as the interleaved connection of two unequal converters to achieve low input current ripple. A latter contribution proposed a so-called proportional strategy. The strategy can be described as the equations to relate the duty cycles of the unequal power stages. This article proposes a third switching strategy that provides a lower input current ripple than the proportional strategy. This is made by considering duty cycles independently of each other instead of proportionally. The proposed method uses the Differential Evolution algorithm to determine the optimal switching pattern that allows high quality at the input current side, given the reactive components, the switching frequency, and power levels. The mathematical model of the converter is analyzed, and thus, the decision variables and the optimization problem are well set. The proposed methodology is validated through numerical experimentation, which shows that the proposed method achieves lower input current ripples than the proportional strategy.
format	article
author	Julio C. Rosas-Caro Pedro M. García-Vite Alma Rodríguez Abraham Mendoza Avelina Alejo-Reyes Erik Cuevas Francisco Beltran-Carbajal
author_facet	Julio C. Rosas-Caro Pedro M. García-Vite Alma Rodríguez Abraham Mendoza Avelina Alejo-Reyes Erik Cuevas Francisco Beltran-Carbajal
author_sort	Julio C. Rosas-Caro
title	Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter
title_short	Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter
title_full	Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter
title_fullStr	Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter
title_full_unstemmed	Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter
title_sort	differential evolution based algorithm for optimal current ripple cancelation in an unequal interleaved power converter
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7cd1be2b8dc74b588c75c187a984eace
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Differential Evolution Based Algorithm for Optimal Current Ripple Cancelation in an Unequal Interleaved Power Converter

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