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A Desaturation-based Short Circuit Protection Technique for Quasi-Two-Level Converters

Conference Paper (2025)
Author(s)

Anand Krishnamurthy Iyer (University of Twente)

Henk Polinder (TU Delft - Transport Engineering and Logistics)

Thiago Batista Soeiro (University of Twente)

Research Group
Transport Engineering and Logistics
DOI related publication
https://doi.org/10.30420/566541407
More Info
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Publication Year
2025
Language
English
Research Group
Transport Engineering and Logistics
Bibliographical Note
Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/publishing/publisher-deals 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.@en
Pages (from-to)
3042-3049
ISBN (electronic)
9783800765416
Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Abstract

This paper presents a desaturation-based technique for short-circuit protection in quasi-two-level converters. The proposed design enables a cost-effective implementation of this protection scheme in a flying capacitor multilevel converter operating as a quasi-two-level converter, requiring only two detection circuits for n series-connected switches. Detailed design guidelines for the protection circuit are provided, along with simulations that illustrate its operational boundaries and experimental verification of the proposed scheme.

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File under embargo until 30-12-2025