A High-Power Dual-Transformer-Based Dual Active Bridge Converter Suitable for Electric Vehicles

Milad Babalou*, Nazanin Pourmoradi, Hossein Torkaman, Edris Pouresmaeil

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

The necessity of incorporating a dual active bridge (DAB) converter in electric vehicles (EVs) has been widely recognized in recent years. In this paper, a DAB converter based on the utilization of two transformers is presented. Also, the principles of operation, switching strategy, and transmission power characteristics of the proposed converter are discussed. Moreover, the RMS current of two transformers with different values of the inductances of the inductors that are in series with the transformers; is discussed. In addition, the loss distribution of the proposed converter across different powers is investigated. The proposed dual-transformer-based dual active bridge converter is compared with the presented converters in terms of transmission power of transformers and efficiency of the converters. Finally, the proposed converter with a low voltage side (VL = 200 V), the switching frequency of power MOSFETs (fs = 25 kHz), and an accurate model of the electric battery at a high voltage side (VH = 400 V) are simulated at 2980 W to verify the way of charging and discharging the electrical battery with the proposed converter.

Original languageEnglish
Title of host publication2023 3rd International Conference on Electrical Machines and Drives, ICEMD 2023
PublisherIEEE
Number of pages6
ISBN (Electronic)979-8-3503-9374-3
DOIs
Publication statusPublished - 2024
MoE publication typeA4 Conference publication
EventInternational Conference on Electrical Machines and Drives - Tehran, Iran, Islamic Republic of
Duration: 20 Dec 202321 Dec 2023

Publication series

Name2023 3rd International Conference on Electrical Machines and Drives, ICEMD 2023

Conference

ConferenceInternational Conference on Electrical Machines and Drives
Abbreviated titleICEMD
Country/TerritoryIran, Islamic Republic of
CityTehran
Period20/12/202321/12/2023

Keywords

  • dual active bridge converter
  • dual-transformer-based
  • electric vehicles
  • high power

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