Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network

As the structures of multiple branch lines (MBLs) will be widely applied in the future flexible DC distribution network, there is a urgent need for improving system reliability by tackling the frequent non-permanent pole-to-pole (P-P) fault on distribution lines. A novel fault restoration strategy b...

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Autores principales:	Zainan Li, Jiandong Duan, Wenchao Lu, Xiaotong Du, Wei Yang, Siyu Tu
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Flexible DC distribution network pole-to-pole fault fault restoration strategy reclosing strategy transient energy of fault current Production of electric energy or power. Powerplants. Central stations TK1001-1841 Renewable energy sources TJ807-830
Acceso en línea:	https://doaj.org/article/79588daf24f747339c6a98f68674629d
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spelling	oai:doaj.org-article:79588daf24f747339c6a98f68674629d2021-11-30T00:00:25ZNon-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network2196-542010.35833/MPCE.2021.000240https://doaj.org/article/79588daf24f747339c6a98f68674629d2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9627864/https://doaj.org/toc/2196-5420As the structures of multiple branch lines (MBLs) will be widely applied in the future flexible DC distribution network, there is a urgent need for improving system reliability by tackling the frequent non-permanent pole-to-pole (P-P) fault on distribution lines. A novel fault restoration strategy based on local information is proposed to solve this issue. The strategy firstly splits a double-ended power supply network into two sin-gle-ended power supply networks through the timing difference characteristics of a hybrid direct current circuit breaker (HDC-CB) entering the recloser. Then, a method based on the characteristic of the transient energy of fault current is proposed to screen the faulty branch line in each single-ended power supply network. Also, a four-terminal flexible DC distribution network with MBLs is constructed on PSCAD to demonstrate the efficacy of the proposed strategy. Various factors such as noise, fault location, and DC arc equivalent resistance are considered in the simulation model for testing. Test results prove that the proposed strategy for fault restoration is effective, and features high performance and scalability.Zainan LiJiandong DuanWenchao LuXiaotong DuWei YangSiyu TuIEEEarticleFlexible DC distribution networkpole-to-pole faultfault restoration strategyreclosing strategytransient energy of fault currentProduction of electric energy or power. Powerplants. Central stationsTK1001-1841Renewable energy sourcesTJ807-830ENJournal of Modern Power Systems and Clean Energy, Vol 9, Iss 6, Pp 1339-1351 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Flexible DC distribution network pole-to-pole fault fault restoration strategy reclosing strategy transient energy of fault current Production of electric energy or power. Powerplants. Central stations TK1001-1841 Renewable energy sources TJ807-830
spellingShingle	Flexible DC distribution network pole-to-pole fault fault restoration strategy reclosing strategy transient energy of fault current Production of electric energy or power. Powerplants. Central stations TK1001-1841 Renewable energy sources TJ807-830 Zainan Li Jiandong Duan Wenchao Lu Xiaotong Du Wei Yang Siyu Tu Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network
description	As the structures of multiple branch lines (MBLs) will be widely applied in the future flexible DC distribution network, there is a urgent need for improving system reliability by tackling the frequent non-permanent pole-to-pole (P-P) fault on distribution lines. A novel fault restoration strategy based on local information is proposed to solve this issue. The strategy firstly splits a double-ended power supply network into two sin-gle-ended power supply networks through the timing difference characteristics of a hybrid direct current circuit breaker (HDC-CB) entering the recloser. Then, a method based on the characteristic of the transient energy of fault current is proposed to screen the faulty branch line in each single-ended power supply network. Also, a four-terminal flexible DC distribution network with MBLs is constructed on PSCAD to demonstrate the efficacy of the proposed strategy. Various factors such as noise, fault location, and DC arc equivalent resistance are considered in the simulation model for testing. Test results prove that the proposed strategy for fault restoration is effective, and features high performance and scalability.
format	article
author	Zainan Li Jiandong Duan Wenchao Lu Xiaotong Du Wei Yang Siyu Tu
author_facet	Zainan Li Jiandong Duan Wenchao Lu Xiaotong Du Wei Yang Siyu Tu
author_sort	Zainan Li
title	Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network
title_short	Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network
title_full	Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network
title_fullStr	Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network
title_full_unstemmed	Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network
title_sort	non-permanent pole-to-pole fault restoration strategy for flexible dc distribution network
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/79588daf24f747339c6a98f68674629d
work_keys_str_mv	AT zainanli nonpermanentpoletopolefaultrestorationstrategyforflexibledcdistributionnetwork AT jiandongduan nonpermanentpoletopolefaultrestorationstrategyforflexibledcdistributionnetwork AT wenchaolu nonpermanentpoletopolefaultrestorationstrategyforflexibledcdistributionnetwork AT xiaotongdu nonpermanentpoletopolefaultrestorationstrategyforflexibledcdistributionnetwork AT weiyang nonpermanentpoletopolefaultrestorationstrategyforflexibledcdistributionnetwork AT siyutu nonpermanentpoletopolefaultrestorationstrategyforflexibledcdistributionnetwork
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Non-permanent Pole-to-pole Fault Restoration Strategy for Flexible DC Distribution Network

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