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Four-Level MMC Cell Type with DC Fault Blocking Capability for HVDC

Title data

Hofmann, Viktor ; Bakran, Mark-M.:
Four-Level MMC Cell Type with DC Fault Blocking Capability for HVDC.
Event: PCIM Europe 2017 , 16.-18.05.2017 , Nürnberg, Deutschland.
(Conference item: Conference , Paper )

Abstract in another language

The Modular Multilevel Converter (MMC) is a well-suited converter topology for high-voltage direct current (HVDC) transmission. This converter is assembled with a large amount of in series connected cells, such as the half bridge, full bridge or clamp double cell type. In this paper, a four-level MMC cell type with a DC fault blocking capability is presented and its functional principle is described. Furthermore, a detailed analysis on different cell types is performed. The semiconductor losses are calculated in combination with an evaluation of the junction temperature by means of a proven thermal model. Thus, the maximum thermal admissible current and consequently the power transmission capability of each cell type is derived. Finally, a comparison of the different cell types with regard of the utilization of the installed switching power, the efficiency and power transmission capability is presented.

Further data

Item Type: Conference item (Paper)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Mechatronics
Faculties > Faculty of Engineering Science
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 26 Sep 2017 06:16
Last Modified: 09 Jan 2023 12:24