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Comparison of Efficiencies for a Composite Converter Design Using Series Injection

Nasseri, Yashar (2020) Comparison of Efficiencies for a Composite Converter Design Using Series Injection. Master's Thesis, University of Pittsburgh. (Unpublished)

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Abstract

In this Thesis, the composite converter is modified with the attempts of improving the converter efficiency using series injection. The composite converter was introduced as a DC transformer consisting of a buck, boost, and dual active bridge (DAB) converter that is bidirectional in nature [‎1]. Few studies since the introduction of the composite converter have attempted to improve the converter design, while the application of the composite converter itself is more common [‎3,‎7]. However, studies have been done to improve the performance of the DAB Converter. Series injection is a technique that improves the efficiency of the DAB converter with the use of a series transformer that improves the zero-voltage switching (ZVS) of the DAB. The proposed series injected DAB converter replaces the traditional DAB converter in the composite converter design with the intent of improving the overall composite converter efficiency. The modified circuit is validated via a comparison of converter efficiencies upon a variety of voltage and switching mode combinations modeled via computer simulation.

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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Nasseri, Yasharyan5@pitt.eduyan50000-0002-9029-3091
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Thesis AdvisorReed, Gregorygfr3@pitt.edugfr30000-0002-3137-6030
Committee MemberBarati, Masoudmasoud.barati@pitt.edumab5930000-0003-0905-6505
Committee MemberGrainger, Brandonbmg10@pitt.edubmg100000-0001-5251-8766
Date: 29 July 2020
Date Type: Publication
Defense Date: 2 December 2019
Approval Date: 29 July 2020
Submission Date: 17 December 2019
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 42
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Electrical Engineering
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: Composite, Converter, series injection
Date Deposited: 29 Jul 2020 13:40
Last Modified: 29 Jul 2020 13:40
URI: http://d-scholarship.pitt.edu/id/eprint/38056

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