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Single Stage Dual Active Bridge AC-DC Converter with Active Power Decoupling

Gottardo, Davide; De Lillo, Liliana; Empringham, Lee; Costabeber, Alessandro; Chen, Linglin

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Authors

Davide Gottardo

LEE EMPRINGHAM LEE.EMPRINGHAM@NOTTINGHAM.AC.UK
Professor of Power Conversion Technologies

Alessandro Costabeber

Linglin Chen



Abstract

The paper introduces a new a isolated DC-AC DAB converter topology, capable of active power decoupling on the AC side of the transformer, made up of two full bridges with no additional active component. The differential voltage modulated by the DC-side full bridge is used to control the voltage applied to the primary winding of a high-frequency transformer, while the common mode voltage generated by the AC-side full bridge is applied to the secondary windings. The choice of applying the common mode voltage ripple of the AC-side full bridge to the transformer, allows to have the required ripple voltage to transfer the power, while keeping the differential voltage ripple, that is applied to the AC output, at its minimum value, making possible the use of a small AC filter inductor. A control strategy is proposed and validated by simulation. This work is being developed at University of Nottingham within the framework of project SENSIBLE.

Conference Name 2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)
Conference Location Amalfi, Italy
Start Date Jun 20, 2018
End Date Jun 22, 2018
Acceptance Date Mar 1, 2018
Online Publication Date Aug 27, 2018
Publication Date Aug 23, 2018
Deposit Date Nov 26, 2018
Publicly Available Date Nov 27, 2018
Publisher Institute of Electrical and Electronics Engineers
Pages 497-501
Book Title SPEEDAM 2018 - Proceedings: International Symposium on Power Electronics, Electrical Drives, Automation and Motion
ISBN 978-1-5386-4942-8
DOI https://doi.org/10.1109/SPEEDAM.2018.8445410
Keywords Active power decoupling; Single-phase system; Dual active bridge; DAB; AC-DC DAB
Public URL https://nottingham-repository.worktribe.com/output/1307259
Publisher URL https://ieeexplore.ieee.org/document/8445410
Additional Information © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Copyright Statement
© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.





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