Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter

Shiyuan Yin; Suman Debnath; Rafal Wojda; Phani Marthi; Maryam Saeedifard

doi:10.1109/COMPEL52922.2021.9645978

Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter

Shiyuan Yin, Suman Debnath, Rafal Wojda, Phani Marthi, Maryam Saeedifard

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Scopus citations

Abstract

The magnetizing inductance of the high-frequency transformer in the dual-active bridge (DAB) converter is usually assumed to be much larger than its leakage inductance, thereby the magnetizing current can be negligible. However, ignoring the magnetizing current will lead to an error in the DAB converter design process. This paper analyzes the operation and performance of the DAB converter for a general case in which the transformer magnetizing inductance is taken into consideration. The analysis shows that the magnetizing inductance impacts the soft-switching region, the power transfer capability, and the leakage inductor current. A simulation case study is provided to verify the analysis. A DAB converter prototype is built to experimentally validate the analysis as well.

Original language	English
Title of host publication	2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781665436359
DOIs	https://doi.org/10.1109/COMPEL52922.2021.9645978
State	Published - 2021
Event	22nd IEEE Workshop on Control and Modelling of Power Electronics, COMPEL 2021 - Cartagena, Colombia Duration: Nov 2 2021 → Nov 5 2021

Publication series

Name	2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021

Conference

Conference	22nd IEEE Workshop on Control and Modelling of Power Electronics, COMPEL 2021
Country/Territory	Colombia
City	Cartagena
Period	11/2/21 → 11/5/21

Funding

Research sponsored by Solar Energy Technologies Office of U.S. Department of Energy. This material is based upon work supported by the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE) under the Solar Energy Technologies Office Award Number 34019. The views expressed herein do not necessarily represent the views of the U.S. Department of Energy or the United States Government.

Funders	Funder number
U.S. Department of Energy
Office of Energy Efficiency and Renewable Energy
Solar Energy Technologies Office	34019

Keywords

DAB
Dual-active bridge converter
Magnetizing inductance
Modeling
Soft-switching

Access to Document

10.1109/COMPEL52922.2021.9645978

Cite this

Yin, S., Debnath, S., Wojda, R., Marthi, P., & Saeedifard, M. (2021). Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter. In 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021 (2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/COMPEL52922.2021.9645978

Yin, Shiyuan ; Debnath, Suman ; Wojda, Rafal et al. / Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter. 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021. Institute of Electrical and Electronics Engineers Inc., 2021. (2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021).

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title = "Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter",

abstract = "The magnetizing inductance of the high-frequency transformer in the dual-active bridge (DAB) converter is usually assumed to be much larger than its leakage inductance, thereby the magnetizing current can be negligible. However, ignoring the magnetizing current will lead to an error in the DAB converter design process. This paper analyzes the operation and performance of the DAB converter for a general case in which the transformer magnetizing inductance is taken into consideration. The analysis shows that the magnetizing inductance impacts the soft-switching region, the power transfer capability, and the leakage inductor current. A simulation case study is provided to verify the analysis. A DAB converter prototype is built to experimentally validate the analysis as well.",

keywords = "DAB, Dual-active bridge converter, Magnetizing inductance, Modeling, Soft-switching",

author = "Shiyuan Yin and Suman Debnath and Rafal Wojda and Phani Marthi and Maryam Saeedifard",

note = "Publisher Copyright: {\textcopyright} 2021 IEEE.; 22nd IEEE Workshop on Control and Modelling of Power Electronics, COMPEL 2021 ; Conference date: 02-11-2021 Through 05-11-2021",

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doi = "10.1109/COMPEL52922.2021.9645978",

language = "English",

series = "2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021",

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Yin, S, Debnath, S , Wojda, R , Marthi, P & Saeedifard, M 2021, Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter. in 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021. 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021, Institute of Electrical and Electronics Engineers Inc., 22nd IEEE Workshop on Control and Modelling of Power Electronics, COMPEL 2021, Cartagena, Colombia, 11/2/21. https://doi.org/10.1109/COMPEL52922.2021.9645978

Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter. / Yin, Shiyuan; Debnath, Suman ; Wojda, Rafal et al.
2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021. Institute of Electrical and Electronics Engineers Inc., 2021. (2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter

AU - Yin, Shiyuan

AU - Debnath, Suman

AU - Wojda, Rafal

AU - Marthi, Phani

AU - Saeedifard, Maryam

PY - 2021

Y1 - 2021

N2 - The magnetizing inductance of the high-frequency transformer in the dual-active bridge (DAB) converter is usually assumed to be much larger than its leakage inductance, thereby the magnetizing current can be negligible. However, ignoring the magnetizing current will lead to an error in the DAB converter design process. This paper analyzes the operation and performance of the DAB converter for a general case in which the transformer magnetizing inductance is taken into consideration. The analysis shows that the magnetizing inductance impacts the soft-switching region, the power transfer capability, and the leakage inductor current. A simulation case study is provided to verify the analysis. A DAB converter prototype is built to experimentally validate the analysis as well.

AB - The magnetizing inductance of the high-frequency transformer in the dual-active bridge (DAB) converter is usually assumed to be much larger than its leakage inductance, thereby the magnetizing current can be negligible. However, ignoring the magnetizing current will lead to an error in the DAB converter design process. This paper analyzes the operation and performance of the DAB converter for a general case in which the transformer magnetizing inductance is taken into consideration. The analysis shows that the magnetizing inductance impacts the soft-switching region, the power transfer capability, and the leakage inductor current. A simulation case study is provided to verify the analysis. A DAB converter prototype is built to experimentally validate the analysis as well.

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KW - Dual-active bridge converter

KW - Magnetizing inductance

KW - Modeling

KW - Soft-switching

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Yin S, Debnath S , Wojda R , Marthi P, Saeedifard M. Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter. In 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021. Institute of Electrical and Electronics Engineers Inc. 2021. (2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021). doi: 10.1109/COMPEL52922.2021.9645978

Impact of the Transformer Magnetizing Inductance on the Performance of the Dual-Active Bridge Converter

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