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.
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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DbLabel: Energy & Power Source
An: 191587069
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  Label: Title
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  Data: Three-Bridge LLC Resonant Converter with 5 Operation Mode Transitions for Wide Output Voltage Control.
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  Data: <searchLink fieldCode="AR" term="%22Kim%2C+Jin-woo%22">Kim, Jin-woo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kang%2C+Min-gyeong%22">Kang, Min-gyeong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gong%2C+Sung-un%22">Gong, Sung-un</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Park%2C+Ju-seon%22">Park, Ju-seon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Park%2C+Jun-hyoung%22">Park, Jun-hyoung</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Won%2C+Jong-seob%22">Won, Jong-seob</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Eun-soo%22">Kim, Eun-soo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> eskim@jj.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2026, Vol. 19 Issue 3, p590. 18p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Power+electronics%22">Power electronics</searchLink><br />*<searchLink fieldCode="DE" term="%22Voltage+control%22">Voltage control</searchLink><br />*<searchLink fieldCode="DE" term="%22Frequency+modulation+transmitters%22">Frequency modulation transmitters</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: 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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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/en19030590
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 590
    Subjects:
      – SubjectFull: Power electronics
        Type: general
      – SubjectFull: Voltage control
        Type: general
      – SubjectFull: Frequency modulation transmitters
        Type: general
    Titles:
      – TitleFull: Three-Bridge LLC Resonant Converter with 5 Operation Mode Transitions for Wide Output Voltage Control.
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            NameFull: Kim, Jin-woo
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            NameFull: Kang, Min-gyeong
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            NameFull: Gong, Sung-un
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            NameFull: Park, Ju-seon
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            NameFull: Park, Jun-hyoung
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            NameFull: Won, Jong-seob
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            NameFull: Kim, Eun-soo
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            – D: 01
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
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              Value: 19
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              Value: 3
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            – TitleFull: Energies (19961073)
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