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Influence of Inverse Coupled Inductors on Fault-Tolerant Operation of Two-Phase DC-DC Converters

Titelangaben

Gleißner, Michael ; Bakran, Mark-M.:
Influence of Inverse Coupled Inductors on Fault-Tolerant Operation of Two-Phase DC-DC Converters.
2015
Veranstaltung: 17th Conference on Power Electronics and Applications. EPE’15-ECCE Europe , 08.-10.09.2015 , Genf, Schweiz.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung , Poster )

Volltext

Link zum Volltext (externe URL): Volltext

Abstract

Multiphase DC-DC converters with coupled inductors are applied to increase the power density and efficiency. But coupling also creates an interference between still active and failed phases as well as influences the inductance characteristic. This paper investigates the fault-tolerance of multiphase DCDC converters with focus on the behaviour of the total as well as phase current ripples and the inductor saturation depending on duty cycle and coupling coefficient.
Compared to non-coupled inductors, the total current ripple can be kept similar after loss of a converterphase if no saturation occurs. Moreover, the influence of the induced voltage due to coupling on the deactivated phase is analysed. Design hints for fault-tolerant strategies with coupled inductors are presented. Measurement results with various coupled inductors prove the theoretical considerations.

Weitere Angaben

Publikationsform: Veranstaltungsbeitrag (Poster)
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mechatronik > Lehrstuhl Mechatronik - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Profilfelder > Emerging Fields > Energieforschung und Energietechnologie
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mechatronik
Profilfelder
Profilfelder > Emerging Fields
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 12 Okt 2015 07:25
Letzte Änderung: 06 Nov 2015 08:33
URI: https://eref.uni-bayreuth.de/id/eprint/20181