Comparative Analysis of Series Connected MOSFETs with Single Switch for ZVS Turn On Converter Topology

P. Sinha, S. Yadav*, Z. Qin, P. Bauer

*Corresponding author for this work

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

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Series-connected MOSFETs with lower voltage ratings can be an alternative for single high-voltage switches. This paper compares two switch configurations for the soft-switched power converter topology targeted for a 1400V DC grid. The first configuration is a single switch rated at 1700V whereas the other is a series connected two MOSFETs rated at 900V. A buck converter with 1400V and 700V as input and output voltages respectively is taken as a case study. Triangular current modulation (TCM) ensures zero voltage switching (ZVS) at turn-on for all the switches. The analysis shows that the series-switch configuration can have much lower overall losses than the single-switch configuration.
Original languageEnglish
Title of host publicationProceedings of the 2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages7
ISBN (Electronic)978-9-0758-1541-2
ISBN (Print)979-8-3503-1678-0
Publication statusPublished - 2023

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.


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