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Modulation and Losses of Modular Multilevel Converters for HVDC Applications

Title data

Schön, André ; Birkel, Andre ; Bakran, Mark-M.:
Modulation and Losses of Modular Multilevel Converters for HVDC Applications.
In: PCIM Europe 2014. - Berlin : VDE Verlag , 2014 . - pp. 1348-1355
ISBN 978‐3‐8007‐3603‐4

Official URL: Volltext

Abstract in another language

The main advantage of a modular multilevel converter is the very low total harmonic distortion. Even a very high modulation frequency Ieads to only a moderate switching frequency per IGBT and therefore, compared to other converter topologies very low switching losses. However, this low switching frequency per submodule in combination with a high output modulation frequency Ieads to an uneven loss distribution between the submodules. With an average of only six to eight switching events per AC period the distribution of conduction and switching Iosses within a submodule can Iead to unbalanced semiconductor temperatures and additional temperature cycles. Based on simulation results, this paper investigates the single module Iosses of a modular multilevel converter for HVDC applications with a high submodule count per phase and a low switching frequency per submodule.

Further data

Item Type: Article in a book
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Mechatronics
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Profile Fields
Profile Fields > Emerging Fields
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Nov 2014 11:01
Last Modified: 22 Apr 2015 07:36
URI: https://eref.uni-bayreuth.de/id/eprint/3574