Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters

Abstract The hybrid HVDC with cascaded multi‐infeed MMC inverters suffers from the fragile characteristic of its MMC inverters and is easy to be over current and over voltage. To solve such a problem, this letter proposes a fault ride‐through strategy based on the fault current limiter with a novel...

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Autores principales:	Jingbo Zhao, Xiangfei Wang, Baohong Li, Qin Jiang, Tianqi Liu
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/274c8a1d6e304480b59a4dba92f600bc
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spelling	oai:doaj.org-article:274c8a1d6e304480b59a4dba92f600bc2021-11-19T05:42:54ZFault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters1350-911X0013-519410.1049/ell2.12318https://doaj.org/article/274c8a1d6e304480b59a4dba92f600bc2021-11-01T00:00:00Zhttps://doi.org/10.1049/ell2.12318https://doaj.org/toc/0013-5194https://doaj.org/toc/1350-911XAbstract The hybrid HVDC with cascaded multi‐infeed MMC inverters suffers from the fragile characteristic of its MMC inverters and is easy to be over current and over voltage. To solve such a problem, this letter proposes a fault ride‐through strategy based on the fault current limiter with a novel topology. With the proposed limiter, the hybrid HVDC system can ride through both the DC side pole‐to‐ground fault and the commutation failure caused by the AC side fault. When the commutation failure happens, the current‐limiting resistor of the fault current limiter will be put on to decrease the current into the safety boundary. When the DC side pole‐to‐ground fault happens, the MMC capacitor discharge path will be cut off automatically by the topology of the fault current limiter. The simulations finally validate the analysis.Jingbo ZhaoXiangfei WangBaohong LiQin JiangTianqi LiuWileyarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENElectronics Letters, Vol 57, Iss 24, Pp 939-941 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Jingbo Zhao Xiangfei Wang Baohong Li Qin Jiang Tianqi Liu Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
description	Abstract The hybrid HVDC with cascaded multi‐infeed MMC inverters suffers from the fragile characteristic of its MMC inverters and is easy to be over current and over voltage. To solve such a problem, this letter proposes a fault ride‐through strategy based on the fault current limiter with a novel topology. With the proposed limiter, the hybrid HVDC system can ride through both the DC side pole‐to‐ground fault and the commutation failure caused by the AC side fault. When the commutation failure happens, the current‐limiting resistor of the fault current limiter will be put on to decrease the current into the safety boundary. When the DC side pole‐to‐ground fault happens, the MMC capacitor discharge path will be cut off automatically by the topology of the fault current limiter. The simulations finally validate the analysis.
format	article
author	Jingbo Zhao Xiangfei Wang Baohong Li Qin Jiang Tianqi Liu
author_facet	Jingbo Zhao Xiangfei Wang Baohong Li Qin Jiang Tianqi Liu
author_sort	Jingbo Zhao
title	Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
title_short	Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
title_full	Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
title_fullStr	Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
title_full_unstemmed	Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
title_sort	fault ride‐through strategy for hybrid hvdc with cascaded multi‐infeed mmc inverters
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/274c8a1d6e304480b59a4dba92f600bc
work_keys_str_mv	AT jingbozhao faultridethroughstrategyforhybridhvdcwithcascadedmultiinfeedmmcinverters AT xiangfeiwang faultridethroughstrategyforhybridhvdcwithcascadedmultiinfeedmmcinverters AT baohongli faultridethroughstrategyforhybridhvdcwithcascadedmultiinfeedmmcinverters AT qinjiang faultridethroughstrategyforhybridhvdcwithcascadedmultiinfeedmmcinverters AT tianqiliu faultridethroughstrategyforhybridhvdcwithcascadedmultiinfeedmmcinverters
_version_	1718420364504072192

Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters

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