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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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Three-Level NPC-Based Dual Active Bridge Converter의 도통손실 절감을 위한 새로운 스위칭 방법

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Title
Three-Level NPC-Based Dual Active Bridge Converter의 도통손실 절감을 위한 새로운 스위칭 방법
Other Titles
A Control Method to Improve Power Conversion Efficiency of Three-level NPC-Based Dual Active Bridge Converter
Author
이준영최현준김주용정지훈
Issue Date
201704
Publisher
전력전자학회
Citation
전력전자학회 논문지, v.22, no.2, pp.150 - 158
Abstract
This study proposes a new pulse-width modulation switching pattern for the low conduction loss of a three-level neutral point clamped (NPC)-based dual-active bridge (DAB) converter. The operational principle for a bidirectional power conversion is a phase-shift modulation. The conventional switching method of the three-level NPC-based DAB converter shows a symmetric switching pattern. This method has a disadvantage of high root-mean-square (RMS) value of the coupling inductor current, which leads to high conduction loss. The proposed switching method shows an asymmetrical pattern, which can reduce the RMS value of the inductor current with lower conduction loss than that of the conventional method. The performance of the proposed asymmetrical switching method is theoretically analyzed and practically verified using simulation and experiment.
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ISSN
1229-2214
Appears in Collections:
ECE_Journal Papers

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