LAPSE:2023.26085
Published Article
LAPSE:2023.26085
A Comprehensive Overview in Control Algorithms for High Switching-Frequency LLC Resonant Converter
March 31, 2023
An LLC resonant converter has been widely used in various industrial applications because of its high cost-effectiveness, high power conversion efficiency, simple design methodology, and simple control algorithms using a pulse frequency modulation (PFM). In addition, the soft switching capability of the LLC resonant converter is good to obtain high switching frequency operations, which can get the high-power density of the power converter. Over the past years, several studies have been conducted to improve the performance of a high switching frequency LLC resonant converter with resonant tank design, optimal power stage design, and enhanced control algorithms. This paper is the review paper in terms of the control algorithms for the LLC resonant converter. It focuses on the overview of the high switching-frequency LLC resonant converter in terms of the control algorithms. The advanced control algorithm can improve power conversion efficiency, dynamic performance, tight output voltage regulation, and small electro-magnetic interference. The operational principles of the control algorithms are briefly explained to show their own characteristics and advantages. Thereafter, the research issues for the future works will be discussed in the conclusion.
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Keywords
control algorithm, DC-DC power conversion, dynamic performance, electro-magnetic interference, LLC resonant converter, output voltage regulation, power conversion efficiency
Subject
Suggested Citation
Park HP, Kim M, Jung JH. A Comprehensive Overview in Control Algorithms for High Switching-Frequency LLC Resonant Converter. (2023). LAPSE:2023.26085
Author Affiliations
Park HP: Energy Efficiency Division, Korea Institute of Energy Research, Daejeon 34129, Korea
Kim M: Department of Electrical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea
Jung JH: Department of Electrical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea [ORCID]
Kim M: Department of Electrical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea
Jung JH: Department of Electrical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea [ORCID]
Journal Name
Energies
Volume
13
Issue
17
Article Number
E4455
Year
2020
Publication Date
2020-08-28
ISSN
1996-1073
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Original Submission
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PII: en13174455, Publication Type: Review
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LAPSE:2023.26085
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https://doi.org/10.3390/en13174455
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