Submodule configuration of HVDC-DC auto transformer considering DC fault
Suo, Zhiwen and Li, Gengyin and Li, Rui and Xu, Lie and Wang, Weisheng and Chi, Yongning and Sun, Wei (2016) Submodule configuration of HVDC-DC auto transformer considering DC fault. IET Power Electronics. pp. 1-24. ISSN 1755-4535 (In Press)
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Abstract
This paper studies the submodule configuration of MMC based non-isolated HVDC-DC autotransformer (HVDC-AT) with DC fault blocking capability, including two-terminal and multi-terminal topologies. The operation principle of the HVDC-AT is described. Considering the arm current differences, the total number of required semiconductors for the HVDC-AT is derived and is compared with the MMC based isolated front-to-front (F2F) DC transformer. A full operation process for the multi-terminal HVDC-AT considering DC fault is then presented, including normal operation, fault isolation and continuous operation of healthy converters after fault. The submodule configuration and fault recovery of the multi-terminal HVDC-AT are validated by simulations using PSCAD/EMTDC.
Creators(s): |
Suo, Zhiwen, Li, Gengyin, Li, Rui ![]() ![]() | Item type: | Article |
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ID code: | 57504 |
Keywords: | renewable energy, HVDC technology, offshore wind power, modular multilevel converter, Electrical engineering. Electronics Nuclear engineering, Environmental engineering, Renewable Energy, Sustainability and the Environment, Energy Engineering and Power Technology |
Subjects: | Technology > Electrical engineering. Electronics Nuclear engineering Technology > Engineering (General). Civil engineering (General) > Environmental engineering |
Department: | Faculty of Engineering > Electronic and Electrical Engineering |
Depositing user: | Pure Administrator |
Date deposited: | 23 Aug 2016 08:49 |
Last modified: | 27 Jan 2021 09:12 |
Related URLs: | |
URI: | https://strathprints.strath.ac.uk/id/eprint/57504 |
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