Optimum Design of a Multiple-Active-Bridge DC-DC Converter for Smart Transformer

Levy Ferreira Costa; Giampaolo Buticchi; Marco Liserre

doi:10.1109/TPEL.2018.2799680

Optimum Design of a Multiple-Active-Bridge DC-DC Converter for Smart Transformer

Levy Ferreira Costa
, Giampaolo Buticchi
, Marco Liserre

Research output: Contribution to journal › Article › Academic › peer-review

102 Citations (Scopus)

Abstract

The modular smart transformer (ST) is composed by several basic converters rated for lower voltage and power. In this paper, the quadruple active bridge (QAB) is used as the basic block for the modular ST. In this application, the efficiency and cost are the most important design parameters. Therefore, the paper focus on the design of the converter, with the aim to optimize its efficiency, taking the cost into consideration. To do so, the losses of all components are carefully modeled and a computer-aided design is used, where an algorithm to calculate the losses and cost is developed, allowing to perform multiobjective optimization. Additionally, silicon IGBTs and silicon carbide mosfets are considered for the design and the performance of the converter using both semiconductors technology is compared. Experimental results obtained for the optimized 20 kW QAB converter has shown an efficiency of 97.5%.

Original language	English
Article number	8272505
Pages (from-to)	10112-10121
Number of pages	10
Journal	IEEE Transactions on Power Electronics
Volume	33
Issue number	12
DOIs	https://doi.org/10.1109/TPEL.2018.2799680
Publication status	Published - Dec 2018
Externally published	Yes

Funding

Manuscript received July 17, 2017; revised November 16, 2017; accepted December 27, 2017. Date of publication January 30, 2018; date of current version September 28, 2018. This work was supported by the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013)/ERC Grant Agreement n. [616344]—HEART. Recommended for publication by Associate Editor G. Konstantinou. (Corresponding author: Levy Ferreira Costa.) L. F. Costa and M. Liserre are with the Christian-Albrecht-University of Kiel, Kiel 24118, Germany (e-mail: [email protected]; [email protected]). This work was supported by the European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC Grant Agreement n. [616344]-HEART.

Keywords

DC-DC converter
high efficiency
reliability
silicon-carbide devices
smart transformer (ST)

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10.1109/TPEL.2018.2799680

Cite this

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title = "Optimum Design of a Multiple-Active-Bridge DC-DC Converter for Smart Transformer",

abstract = "The modular smart transformer (ST) is composed by several basic converters rated for lower voltage and power. In this paper, the quadruple active bridge (QAB) is used as the basic block for the modular ST. In this application, the efficiency and cost are the most important design parameters. Therefore, the paper focus on the design of the converter, with the aim to optimize its efficiency, taking the cost into consideration. To do so, the losses of all components are carefully modeled and a computer-aided design is used, where an algorithm to calculate the losses and cost is developed, allowing to perform multiobjective optimization. Additionally, silicon IGBTs and silicon carbide mosfets are considered for the design and the performance of the converter using both semiconductors technology is compared. Experimental results obtained for the optimized 20 kW QAB converter has shown an efficiency of 97.5\%.",

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AB - The modular smart transformer (ST) is composed by several basic converters rated for lower voltage and power. In this paper, the quadruple active bridge (QAB) is used as the basic block for the modular ST. In this application, the efficiency and cost are the most important design parameters. Therefore, the paper focus on the design of the converter, with the aim to optimize its efficiency, taking the cost into consideration. To do so, the losses of all components are carefully modeled and a computer-aided design is used, where an algorithm to calculate the losses and cost is developed, allowing to perform multiobjective optimization. Additionally, silicon IGBTs and silicon carbide mosfets are considered for the design and the performance of the converter using both semiconductors technology is compared. Experimental results obtained for the optimized 20 kW QAB converter has shown an efficiency of 97.5%.

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KW - reliability

KW - silicon-carbide devices

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Optimum Design of a Multiple-Active-Bridge DC-DC Converter for Smart Transformer

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