Analysis and Design of Half-Bridge LLC Resonant Converter for 36V Light Electric Vehicle Battery Packs

Ibrahim Şara*, Özgür Üstün

*Corresponding author for this work

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

Abstract

LLC resonant converters are a preferred topology in high power applications due to their high efficiency. One of the biggest advantages of LLC converters is that they greatly reduce switching losses with Zero Voltage Switching (ZVS). In an LLC converter, the output voltage can be changed by changing the switching frequency, and the quality factor of the resonance tank is a determining factor in the waveform of the voltage conversion ratio. In this study, the basic structures of an LLC resonant converter are examined step by step and the effect of the quality factor on the voltage conversion ratio is emphasized. By selecting an appropriate quality factor, the design and simulation of a half bridge LLC converter circuit for 36-42 V light electric vehicle batteries was carried out. The resonance frequency of the circuit is 400 kHz, and to operate in the ZVS region, the switching frequency of the circuit is 400 kHz and above.

Original languageEnglish
Title of host publication14th International Conference on Electrical and Electronics Engineering, ELECO 2023 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350360493
DOIs
Publication statusPublished - 2023
Event14th International Conference on Electrical and Electronics Engineering, ELECO 2023 - Virtual, Bursa, Turkey
Duration: 30 Nov 20232 Dec 2023

Publication series

Name14th International Conference on Electrical and Electronics Engineering, ELECO 2023 - Proceedings

Conference

Conference14th International Conference on Electrical and Electronics Engineering, ELECO 2023
Country/TerritoryTurkey
CityVirtual, Bursa
Period30/11/232/12/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

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