Comparison of converters using LLC and LCCT resonant tanks

Michal Pridala, Michal Frivaldsky, Seppo J. Ovaska

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


In this paper, the circuit topologies of LLC resonant DC-DC converter and half-bridge LCCT resonant DC-DC converter are comparatively studied for different kind of applications. A comparison of efficiency, cost and behavior of these power converters is provided. Simulation models of LLC and LCCT circuits are created using magnetic and thermal models of individual components using PLECS simulation software. Based on the circuit investigation within critical operational conditions, short-circuit and overload states are analyzed.

Original languageEnglish
Title of host publicationProceedings of the 12th International Conference ELEKTRO (ELEKTRO 2018)
Number of pages5
ISBN (Electronic)9781538647592
Publication statusPublished - 26 Jun 2018
MoE publication typeA4 Article in a conference publication
EventInternational Conference ELEKTRO - Mikulov, Czech Republic
Duration: 21 May 201823 May 2018
Conference number: 12


ConferenceInternational Conference ELEKTRO
CountryCzech Republic


  • DC-DC
  • half-bridge
  • high efficiency
  • LCCT topology
  • LLC topology
  • resonant converter


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