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Design and control of fault-tolerant non-isolated multiphase multilevel dc-dc converters for automotive power systems

Title data

Gleißner, Michael ; Bakran, Mark-M.:
Design and control of fault-tolerant non-isolated multiphase multilevel dc-dc converters for automotive power systems.
In: Electrical Systems for Aircraft, Railway and Ship Propulsion (ESARS)2015. - Aachen , 2015
ISBN 978-1-4799-7399-6

Official URL: Volltext

Abstract in another language

In this paper, a bidirectional, non-isolated dc–dc converter with several interleaved phases of multilevel modules for automotive power systems is presented. Instead of using a 2-level stage with short-circuit protection elements, a 3-level module in a multiphase structure is proposed to achieve improved fault-tolerance. The dimensioning of the required flying capacitor for multilevel dc–dc converters is described. Further benefits like ripple reduction, automatic fault current limitation and enhanced efficiency are achieved. Moreover, the control strategy for normal operation including the stability of the flying capacitor voltage as well as reconfiguration after failure for degraded operation are explained.

Further data

Item Type: Article in a book
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Mechatronics
Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Profile Fields
Profile Fields > Emerging Fields
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 17 Mar 2015 08:01
Last Modified: 28 Feb 2019 09:32
URI: https://eref.uni-bayreuth.de/id/eprint/8005