Studies of commutation failures in Hybrid LCC/MMC HVDC systems

Li, Gen ORCID: https://orcid.org/0000-0002-0649-9493, An, Ting, Liang, Jun ORCID: https://orcid.org/0000-0001-7511-449X, Liu, Wei, Joseph, Tibin ORCID: https://orcid.org/0000-0003-4647-1118, Lu, Jingjing and Lan, Yuanliang 2020. Studies of commutation failures in Hybrid LCC/MMC HVDC systems. Global Energy Interconnection 3 (3) , pp. 193-204. 10.14171/j.2096-5117.gei.2020.03.001

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Abstract

A hybrid of line commutated converters(LCCs) and modular multi-level converters(MMCs) can provide the advantages of both the technologies. However, the commutation failure still exists if the LCC operates as an inverter in a hybrid LCC/MMC system. In this paper, the system behavior during a commutation failure is investigated. Both halfbridge and full-bridge MMCs are considered. Control strategies are examined through simulations conducted in PSCAD/EMTDC.

Item Type:	Article
Date Type:	Publication
Schools:	Engineering
Publisher:	KeAi Communications Co. Ltd.
ISSN:	2096-5117
Funders:	Global Energy Interconnection Research Institute
Date of First Compliant Deposit:	10 July 2020
Date of Acceptance:	10 July 2020
Last Modified:	05 May 2023 13:29
URI:	https://orca.cardiff.ac.uk/id/eprint/133334

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