Winding Design of Series AC inductor for Dual Active Bridge Converters

Zhan Shen, Huai Wang, Yanfeng Shen, Zian Qin, Frede Blaabjerg

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

7 Citations (Scopus)


The ac resistance and parasitic capacitance of the inductor are the primary considerations in the winding design for the dual-active bridge converter (DAB). They are dependent of up to four independent structure variables. The interactive restrictions between those variables makes the design difficult. In this paper, the core-related capacitances between the central limb, side limb, yoke and winding are derived, and a local optimization for it is proposed. Moreover, a total winding capacitance design method is proposed by mapping the four dimensional problem into two dimensions. The analysis and design are verified by finite element method simulations and experimental results on a 100 kHz prototype are performed.
Original languageEnglish
Title of host publicationProceeding of IEEE-APEC' 2018
Place of PublicationPiscataway, NJ
Number of pages6
ISBN (Electronic)978-1-5386-1180-7
Publication statusPublished - 2018
EventAPEC 2018: 33rd Annual IEEE Applied Power Conference and Exposition - San Antonio, TX, United States
Duration: 4 Mar 20188 Mar 2018
Conference number: 33


ConferenceAPEC 2018
Country/TerritoryUnited States
CitySan Antonio, TX
Internet address


  • Dual active bridge
  • Series inductor
  • Ac resistance
  • Parasitic capacitance


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