An Enhanced Generalized Average Modeling of Dual Active Bridge Converters

Bochen Liu; Pooya Davari; Frede Blaabjerg

doi:10.1109/APEC39645.2020.9124001

An Enhanced Generalized Average Modeling of Dual Active Bridge Converters

Bochen Liu, Pooya Davari, Frede Blaabjerg

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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Abstract

An enhanced generalized average modeling (GAM) method for a dual active bridge (DAB) converter is presented in this paper. Firstly, the conventional lossless model is introduced and it is shown that this model might cause a non-neglectable steady state error. In order to improve the modeling accuracy, a wide range of loss sources are involved in the proposed enhanced GAM model, such as conduction losses and core losses. On this basis, this paper further proves that the 3 ^rd-order harmonic component of the leakage inductance current should be considered to reduce steady state errors in light load conditions, while others might only consider the 1 ^st-order harmonic in the existing DAB models. Also, a universal form of the modeling equation to include up to any h ^th-order harmonic component is derived. Finally, comparative simulation and experimental results are presented to validate the feasibility of the analysis.

Original language	English
Title of host publication	Proceedings of 35th Annual IEEE Applied Power Electronics Conference & Exposition (APEC 2020)
Number of pages	6
Publisher	IEEE Press
Publication date	Jun 2020
Pages	85-90
Article number	9124001
ISBN (Electronic)	978-1-7281-4829-8
DOIs	https://doi.org/10.1109/APEC39645.2020.9124001
Publication status	Published - Jun 2020
Event	2020 IEEE Applied Power Electronics Conference and Exposition (APEC) - New Orleans, LA, United States Duration: 15 Mar 2020 → 19 Mar 2020

Conference

Conference	2020 IEEE Applied Power Electronics Conference and Exposition (APEC)
Country	United States
City	New Orleans, LA
Period	15/03/2020 → 19/03/2020

Series	I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings
ISSN	1048-2334

Keywords

dual active bridge
generalized average modeling

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10.1109/APEC39645.2020.9124001

An Enhanced Generalized Average Modeling of Dual Active Bridge Converters @ APEC 2020Accepted author manuscript, 984 KB

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REPEPS: REliable Power Electronic based Power System
Blaabjerg, F., Iannuzzo, F., Davari, P., Wang, H., Wang, X. & Yang, Y.
01/08/2017 → 01/12/2023
Project: Research
Multi-Physics of High Power Density Power Electronic Systems
Davari, P. & Steffensen, B.
DFF-Individuelle postdocstipendier : DFF-1333-00034
01/03/2016 → 31/05/2018
Project: Research

Cite this

Liu, B., Davari, P., & Blaabjerg, F. (2020). An Enhanced Generalized Average Modeling of Dual Active Bridge Converters. In Proceedings of 35th Annual IEEE Applied Power Electronics Conference & Exposition (APEC 2020) (pp. 85-90). [9124001] IEEE Press. I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings https://doi.org/10.1109/APEC39645.2020.9124001

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abstract = "An enhanced generalized average modeling (GAM) method for a dual active bridge (DAB) converter is presented in this paper. Firstly, the conventional lossless model is introduced and it is shown that this model might cause a non-neglectable steady state error. In order to improve the modeling accuracy, a wide range of loss sources are involved in the proposed enhanced GAM model, such as conduction losses and core losses. On this basis, this paper further proves that the 3 rd-order harmonic component of the leakage inductance current should be considered to reduce steady state errors in light load conditions, while others might only consider the 1 st-order harmonic in the existing DAB models. Also, a universal form of the modeling equation to include up to any h th-order harmonic component is derived. Finally, comparative simulation and experimental results are presented to validate the feasibility of the analysis. ",

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language = "English",

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publisher = "IEEE Press",

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note = "2020 IEEE Applied Power Electronics Conference and Exposition (APEC) ; Conference date: 15-03-2020 Through 19-03-2020",

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Liu, B, Davari, P & Blaabjerg, F 2020, An Enhanced Generalized Average Modeling of Dual Active Bridge Converters. in Proceedings of 35th Annual IEEE Applied Power Electronics Conference & Exposition (APEC 2020)., 9124001, IEEE Press, I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings, pp. 85-90, 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), New Orleans, LA, United States, 15/03/2020. https://doi.org/10.1109/APEC39645.2020.9124001

An Enhanced Generalized Average Modeling of Dual Active Bridge Converters. / Liu, Bochen; Davari, Pooya ; Blaabjerg, Frede.

Proceedings of 35th Annual IEEE Applied Power Electronics Conference & Exposition (APEC 2020). IEEE Press, 2020. p. 85-90 9124001 (I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings).

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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N2 - An enhanced generalized average modeling (GAM) method for a dual active bridge (DAB) converter is presented in this paper. Firstly, the conventional lossless model is introduced and it is shown that this model might cause a non-neglectable steady state error. In order to improve the modeling accuracy, a wide range of loss sources are involved in the proposed enhanced GAM model, such as conduction losses and core losses. On this basis, this paper further proves that the 3 rd-order harmonic component of the leakage inductance current should be considered to reduce steady state errors in light load conditions, while others might only consider the 1 st-order harmonic in the existing DAB models. Also, a universal form of the modeling equation to include up to any h th-order harmonic component is derived. Finally, comparative simulation and experimental results are presented to validate the feasibility of the analysis.

AB - An enhanced generalized average modeling (GAM) method for a dual active bridge (DAB) converter is presented in this paper. Firstly, the conventional lossless model is introduced and it is shown that this model might cause a non-neglectable steady state error. In order to improve the modeling accuracy, a wide range of loss sources are involved in the proposed enhanced GAM model, such as conduction losses and core losses. On this basis, this paper further proves that the 3 rd-order harmonic component of the leakage inductance current should be considered to reduce steady state errors in light load conditions, while others might only consider the 1 st-order harmonic in the existing DAB models. Also, a universal form of the modeling equation to include up to any h th-order harmonic component is derived. Finally, comparative simulation and experimental results are presented to validate the feasibility of the analysis.

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Liu B, Davari P , Blaabjerg F. An Enhanced Generalized Average Modeling of Dual Active Bridge Converters. In Proceedings of 35th Annual IEEE Applied Power Electronics Conference & Exposition (APEC 2020). IEEE Press. 2020. p. 85-90. 9124001. (I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings). https://doi.org/10.1109/APEC39645.2020.9124001

An Enhanced Generalized Average Modeling of Dual Active Bridge Converters

Abstract

Conference

Keywords

Access to Document

REPEPS: REliable Power Electronic based Power System

Multi-Physics of High Power Density Power Electronic Systems

Cite this