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Author

Jung, Jee-Hoon
Advanced Power Interface & Power Electronics Lab (APIPEL)
Research Interests
  • Power Converter, wireless power transfer, smart power interface, digital control system,

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DC-DC Dual Active Bridge 컨버터의 소신호 모델링 및 제어기 설계에 관한 연구

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Title
DC-DC Dual Active Bridge 컨버터의 소신호 모델링 및 제어기 설계에 관한 연구
Other Titles
Study on Small-signal Modeling and Controller Design of DC-DC Dual Active Bridge Converters
Author
이원빈최현준조진태정지훈
Issue Date
201704
Publisher
전력전자학회
Citation
전력전자학회 논문지, v.22, no.2, pp.159 - 165
Abstract
Small-signal modeling and controller design methodology are proposed to improve the dynamics and stability of a DC–DC dual active bridge (DAB) converter. The state-space average method has a limitation when applied to the DAB converter because its state variables are nonlinear and have zero average values in a switching period. Therefore, the small-signal model and the frequency response of the DAB converter are derived and analyzed using a generalized average method instead of conventional modeling methods. The design methodology of a lead-lag controller instead of the conventional proportional-integral controller is also proposed using the derived small-signal model. The accuracy and performance of the proposed small-signal model and controller are verified by simulation and experimental results with a 500 W prototype DAB converter.
URI
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DOI
http://dx.doi.org/10.6113/TKPE.2017.22.2.159
ISSN
1229-2214
Appears in Collections:
ECE_Journal Papers

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