LAPSE:2023.35883
Published Article
LAPSE:2023.35883
Review on Modeling and Control Strategies of DC−DC LLC Converters for Bidirectional Electric Vehicle Charger Applications
Houssein Al Attar, Mohamed Assaad Hamida, Malek Ghanes, Miassa Taleb
May 24, 2023
Bidirectional DC−DC converters are frequently chosen for applications requiring high power density such as in bidirectional electric vehicle (EV) chargers. Vehicle to Everything (V2X) technology makes the EV battery an electrical energy source. In this article, the use of a DC−DC LLC converter used in a bidirectional EV charger is reviewed. Different modeling approaches of the DC−DC LLC converter, such as small and large signal modeling, are discussed. Common modulation strategies applied to the DC−DC LLC converter in V2X mode, such as Pulse Frequency Modulation (PFM), Pulse Width Modulation (PWM) and Phase-Shift Modulation (PSM), are presented. The new challenge is to present the main characteristics and limitations of each modulation strategy in order to cover the whole operating zone of the EV charger in V2X mode. Furthermore, different control strategies based on a small or large signal model combined with different modulation strategies are highlighted. Linear and nonlinear controllers applied to the DC−DC LLC converter are discussed. Robust controllers are mainly highlighted regarding their advantage in ensuring the control robustness with respect to unexpected disturbances. A comparative study among modulation strategies as well as different control algorithms is conducted in terms of control performance and converter efficiency in V2X mode.
Keywords
DC–DC LLC converter, electric vehicle charger, Phase-Shift Modulation, Pulse Frequency Modulation, small signal modeling, V2X mode
Suggested Citation
Al Attar H, Hamida MA, Ghanes M, Taleb M. Review on Modeling and Control Strategies of DC−DC LLC Converters for Bidirectional Electric Vehicle Charger Applications. (2023). LAPSE:2023.35883
Author Affiliations
Al Attar H: Ecole Centrale de Nantes, LS2N, UMR CNRS 6004, 1 rue de la Noe, BP 92101, CEDEX 3, 44321 Nantes, France [ORCID]
Hamida MA: Ecole Centrale de Nantes, LS2N, UMR CNRS 6004, 1 rue de la Noe, BP 92101, CEDEX 3, 44321 Nantes, France
Ghanes M: Ecole Centrale de Nantes, LS2N, UMR CNRS 6004, 1 rue de la Noe, BP 92101, CEDEX 3, 44321 Nantes, France
Taleb M: Renault Technocentre, 1 Avenue du Golf, 78280 Guyancourt, France
Journal Name
Energies
Volume
16
Issue
9
First Page
3946
Year
2023
Publication Date
2023-05-08
Published Version
ISSN
1996-1073
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Original Submission
Other Meta
PII: en16093946, Publication Type: Review
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LAPSE:2023.35883
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doi:10.3390/en16093946
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May 24, 2023
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CC BY 4.0
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May 24, 2023
 
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Original Submitter
Calvin Tsay
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