Efficiency Improvement on LLC Resonant Converter Using Integrated LCLC Resonant Transformer

Ray Lee Lin, Lung Hua Huang

研究成果: Article同行評審

18 引文 斯高帕斯(Scopus)


This paper presents the efficiency improvement on the comparative half-bridge LLC resonant converter using the integrated LCLC resonant transformer. The conventional isolated LLC converter demands large leakage inductance to attain high power factor for the resonant tank. However, the large leakage inductance requires more turns of the transformer to sustain sufficient magnetizing inductance. As a result, high number of turns causes more copper loss and lower efficiency for the LLC resonant transformer. In order to reduce the demanded leakage inductance, a resonant capacitor can be connected in parallel to the magnetizing inductor through an auxiliary winding as an LCLC resonant transformer. Finally, the resonant transformer of a commercial 300 W LLC resonant converter is converted as an integrated LCLC resonant transformer with lower leakage inductance for efficiency comparison.

頁(從 - 到)1756-1764
期刊IEEE Transactions on Industry Applications
出版狀態Published - 2018 三月 1

All Science Journal Classification (ASJC) codes

  • 控制與系統工程
  • 工業與製造工程
  • 電氣與電子工程


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