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Fault Current Behavior of Full Bridge Modular Multilevel Converters after First Blocking

Title data

Xu, Jiang ; Bakran, Mark-M.:
Fault Current Behavior of Full Bridge Modular Multilevel Converters after First Blocking.
Event: EPE 2017 ECCE Europe : 19th European Conference on Power Electronics and Applications , 11.09.2017 - 14.09.2017 , Warschau, Polen.
(Conference item: Conference , Paper )

Abstract in another language

This paper introduces the fault behavior of full bridge modular multilevel converters (MMCs) considering a non-simultaneous blocking of the two half bridges in each sub-module. In order to protect IGBTs in the full bridge sub-module, both sides of a full bridge sub-module are not blocked at same time point. It is assumed that the first blocking of both sides is random in each sub-module, so there are many possible voltages in each arm after the first blocking. Because of this, there are also many possible fault current slopes after the first blocking. The influence of this sequential blocking on the maximum fault current is analyzed. The threshold current, which has to be decreased due to this phenomenon, is determined.

Further data

Item Type: Conference item (Paper)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Profile Fields > Advanced Fields > Advanced Materials
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: 11 Feb 2020 08:03
Last Modified: 11 Feb 2020 08:03
URI: https://eref.uni-bayreuth.de/id/eprint/54323