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Operation of Fault-Tolerant Non-Isolated Multiphase 3-Level DC–DC Converters for 48 V Automotive Power Systems

Title data

Gleißner, Michael ; Bakran, Mark-M.:
Operation of Fault-Tolerant Non-Isolated Multiphase 3-Level DC–DC Converters for 48 V Automotive Power Systems.
2015
Event: 17th Conference on Power Electronics and Applications. EPE’15-ECCE Europe , 08.-10.09.2015 , Genf, Schweiz.
(Conference item: Conference , Speech )

Official URL: Volltext

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Abstract in another language

The operation of a non-isolated, bidirectional DC–DC converter with several interleaving phases of 3-level flying capacitor modules for automotive power systems is analysed in theory and a 3-phase prototype implementation. Control techniques for equal phase current sharing and flying capacitor voltage balance are applied. The converter efficiency is compared to a status quo 2-level multiphase converter with protection switches. Moreover, the system behaviour in case of semiconductor switch failures is investigated. The 3-level modules are always superior to a 2-level structure and need only the relatively small flying capacitor as additional component.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Mechatronics
Profile Fields
Profile Fields > Emerging Fields
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 12 Oct 2015 07:27
Last Modified: 06 Nov 2015 08:37
URI: https://eref.uni-bayreuth.de/id/eprint/20182