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CSEE Journal of Power and Energy Systems 2022, 8(1): 132-142 https://doi.org/10.17775/CSEEJPES.2020.00300
Open Access | Issue | Published: 06 July 2020

Combination of Interleaved Single-input Multiple-output DC-DC Converters

Show Author's Information Eladio Durán Aranda( ),  Salvador Pérez Litrán,  María Bella Ferrera Prieto
Electronic Engineering, Computer Systems and Automation Department, University of Huelva, Huelva, Spain
Electrical and Thermal Engineering, Design and Projects Department, University of Huelva, Huelva, Spain
Keywords:
Bipolar DC, DC-DC converter, interleaved
Cite this article:
Aranda ED, Litrán SP, Prieto MBF. Combination of Interleaved Single-input Multiple-output DC-DC Converters. CSEE Journal of Power and Energy Systems, 2022, 8(1): 132-142. https://doi.org/10.17775/CSEEJPES.2020.00300
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Abstract Full text About this article

This paper analyses, simulates and verifies an experimental prototype of a four-phase interleaved DC-DC converter. It is based on a SEPIC-Ćuk combination. The developed prototype has been used in single-input multiple-output (SIMO) applications. This combined converter allows obtaining dual output voltages of the same value, from a single input DC voltage and with only a power switch. Multiphase interleaved DC-DC converters achieve a better dynamic response and low ripple, maintaining their efficiency. Each converter is connected in parallel, thereby managing their losses by distributing them between more components, which facilitates the thermal management of the multiphase converter and allows handling high power values in small sizes with respect to solutions for a single phase. Two control strategies were applied: synchronous operation mode (SOM) and interleaved operation mode (IOM). The simulation results allow the comparison of both operational modes, verifying that the IOM presents advantages with respect to the ripple at the input and output currents. The experimental prototype was designed for a distributed power architecture and bipolar DC microgrid (MG).


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About this article

Combination of Interleaved Single-input Multiple-output DC-DC Converters

Show Author's information Eladio Durán Aranda( ), Salvador Pérez Litrán, María Bella Ferrera Prieto
Electronic Engineering, Computer Systems and Automation Department, University of Huelva, Huelva, Spain
Electrical and Thermal Engineering, Design and Projects Department, University of Huelva, Huelva, Spain

Abstract

This paper analyses, simulates and verifies an experimental prototype of a four-phase interleaved DC-DC converter. It is based on a SEPIC-Ćuk combination. The developed prototype has been used in single-input multiple-output (SIMO) applications. This combined converter allows obtaining dual output voltages of the same value, from a single input DC voltage and with only a power switch. Multiphase interleaved DC-DC converters achieve a better dynamic response and low ripple, maintaining their efficiency. Each converter is connected in parallel, thereby managing their losses by distributing them between more components, which facilitates the thermal management of the multiphase converter and allows handling high power values in small sizes with respect to solutions for a single phase. Two control strategies were applied: synchronous operation mode (SOM) and interleaved operation mode (IOM). The simulation results allow the comparison of both operational modes, verifying that the IOM presents advantages with respect to the ripple at the input and output currents. The experimental prototype was designed for a distributed power architecture and bipolar DC microgrid (MG).

Keywords: Bipolar DC, DC-DC converter, interleaved

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Received: 08 February 2020
Revised: 19 April 2020
Accepted: 20 May 2020
Published: 06 July 2020
Issue date: January 2022

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