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Comparative Analysis of Multiple Active Bridge Converters Configurations in Modular Smart Transformer

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

Abstract

In this paper, the quadruple active bridge (QAB) dc-dc converter is proposed to be used as a building block to implement the dc-dc stage of a smart transformer (ST). Different configurations (symmetrical, asymmetrical, and rated for voltage/power) for this converter are considered for investigation. Four different architectures of ST, including one based on the dual active bridge converter as a benchmark and three based on the QAB converter, are presented and compared in terms of cost, efficiency, reliability, and implementation complexity. As an additional contribution, different semiconductor technologies (silicon IGBT and silicon-carbide MOSFETs) are evaluated in order to verify their impact on ST application. The design for each architecture is described and the results are compared. In order to validate the theoretical analysis developed in this paper, a 20-kW prototype is built and experimented.

Original languageEnglish
Article number8322202
Pages (from-to)191-202
Number of pages12
JournalIEEE Transactions on Industrial Electronics
Volume66
DOIs
Publication statusPublished - Jan 2019
Externally publishedYes

Bibliographical note

Funding Information:
Manuscript received July 31, 2017; revised December 14, 2017 and January 25, 2017; accepted February 28, 2018. Date of publication March 22, 2018; date of current version August 31, 2018. This work was supported by the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013) / ERC under Grant 616344-HEART. (Corresponding author: Levy Ferreira Costa.) The authors are with the Christian-Albrecht-University of Kiel, 24118 Kiel, Germany (e-mail: [email protected]; [email protected]; [email protected]; [email protected]).

Funding

Manuscript received July 31, 2017; revised December 14, 2017 and January 25, 2017; accepted February 28, 2018. Date of publication March 22, 2018; date of current version August 31, 2018. This work was supported by the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013) / ERC under Grant 616344-HEART. (Corresponding author: Levy Ferreira Costa.) The authors are with the Christian-Albrecht-University of Kiel, 24118 Kiel, Germany (e-mail: [email protected]; [email protected]; [email protected]; [email protected]).

Keywords

  • DC-DC converter
  • multiple active bridge converter
  • multiwinding transformer
  • smart transformer (ST)

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