Three-Bridge LLC Resonant Converter with 5 Operation Mode Transitions for Wide Output Voltage Control.
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| Title: | Three-Bridge LLC Resonant Converter with 5 Operation Mode Transitions for Wide Output Voltage Control. |
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| Authors: | Kim, Jin-woo1 (AUTHOR), Kang, Min-gyeong1,2 (AUTHOR), Gong, Sung-un1,3 (AUTHOR), Park, Ju-seon1 (AUTHOR), Park, Jun-hyoung2 (AUTHOR), Won, Jong-seob3 (AUTHOR), Kim, Eun-soo1 (AUTHOR) eskim@jj.ac.kr |
| Source: | Energies (19961073). Feb2026, Vol. 19 Issue 3, p590. 18p. |
| Subject Terms: | *Power electronics, *Voltage control, *Frequency modulation transmitters |
| Abstract: | This paper presents a 3-Bridge LLC resonant converter featuring wide output voltage gain characteristics and a novel control method. To achieve operation within a narrower frequency control range, the proposed converter introduces one additional operational mode compared to the previously suggested 3-bridge topology. The converter is configured to have five distinct operation modes, controlled by the switching patterns of the main switches, to enable wide-range output voltage regulation. In each mode, frequency modulation is employed for output voltage control. Furthermore, a morphing control strategy is utilized to ensure stable output voltage regulation during mode transitions. The validity and practical applicability of the proposed 3-bridge LLC resonant converter with five operation modes are verified through experimental results from a 6 kW prototype. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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| Abstract: | This paper presents a 3-Bridge LLC resonant converter featuring wide output voltage gain characteristics and a novel control method. To achieve operation within a narrower frequency control range, the proposed converter introduces one additional operational mode compared to the previously suggested 3-bridge topology. The converter is configured to have five distinct operation modes, controlled by the switching patterns of the main switches, to enable wide-range output voltage regulation. In each mode, frequency modulation is employed for output voltage control. Furthermore, a morphing control strategy is utilized to ensure stable output voltage regulation during mode transitions. The validity and practical applicability of the proposed 3-bridge LLC resonant converter with five operation modes are verified through experimental results from a 6 kW prototype. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 19961073 |
| DOI: | 10.3390/en19030590 |
