An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR

As the installed capacity of renewable generation continues to increase nowadays to satisfy both emissions and economic requirements, the nature of intermittent generation results in a need to further increase transmission capacity. Dynamic thermal line rating may be used to increase the capacity of...

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Autores principales:	Elsaeed Ali, Andrew M. Knight
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Dynamic line rating ampacity transmission lines distance protection overcurrent protection faults Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/77ac5213e32c4d2180d0a245c1e388b2
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id	oai:doaj.org-article:77ac5213e32c4d2180d0a245c1e388b2
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spelling	oai:doaj.org-article:77ac5213e32c4d2180d0a245c1e388b22021-11-18T00:09:48ZAn Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR2169-353610.1109/ACCESS.2021.3124205https://doaj.org/article/77ac5213e32c4d2180d0a245c1e388b22021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9594830/https://doaj.org/toc/2169-3536As the installed capacity of renewable generation continues to increase nowadays to satisfy both emissions and economic requirements, the nature of intermittent generation results in a need to further increase transmission capacity. Dynamic thermal line rating may be used to increase the capacity of transmission lines without upgrading infrastructure. However, existing transmission line protection devices may mal-operate due to the increased capacity. So, it is required to evaluate the performance of existing protection devices. This paper proposes an algorithm that enhances the performance of existing conventional relays such as distance and overcurrent relays. The proposed algorithm is based on a combination of dynamic thermal rating, current ratio of negative and positive sequences and voltage criterion to detect faults whether symmetrical or asymmetrical and unsafe overload. In addition, it aims at restraining the existing relays during safe overloads. A model of a system under investigation is simulated, with studies performed in a MATLAB/Simulink environment. The results demonstrate the ability of the proposed scheme to detect all types of faults and unsafe overload dependably and restrain the conventional relays securely during safe overloads.Elsaeed AliAndrew M. KnightIEEEarticleDynamic line ratingampacitytransmission linesdistance protectionovercurrent protectionfaultsElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 147295-147305 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Dynamic line rating ampacity transmission lines distance protection overcurrent protection faults Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Dynamic line rating ampacity transmission lines distance protection overcurrent protection faults Electrical engineering. Electronics. Nuclear engineering TK1-9971 Elsaeed Ali Andrew M. Knight An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR
description	As the installed capacity of renewable generation continues to increase nowadays to satisfy both emissions and economic requirements, the nature of intermittent generation results in a need to further increase transmission capacity. Dynamic thermal line rating may be used to increase the capacity of transmission lines without upgrading infrastructure. However, existing transmission line protection devices may mal-operate due to the increased capacity. So, it is required to evaluate the performance of existing protection devices. This paper proposes an algorithm that enhances the performance of existing conventional relays such as distance and overcurrent relays. The proposed algorithm is based on a combination of dynamic thermal rating, current ratio of negative and positive sequences and voltage criterion to detect faults whether symmetrical or asymmetrical and unsafe overload. In addition, it aims at restraining the existing relays during safe overloads. A model of a system under investigation is simulated, with studies performed in a MATLAB/Simulink environment. The results demonstrate the ability of the proposed scheme to detect all types of faults and unsafe overload dependably and restrain the conventional relays securely during safe overloads.
format	article
author	Elsaeed Ali Andrew M. Knight
author_facet	Elsaeed Ali Andrew M. Knight
author_sort	Elsaeed Ali
title	An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR
title_short	An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR
title_full	An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR
title_fullStr	An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR
title_full_unstemmed	An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR
title_sort	enhanced algorithm for conventional protection devices of transmission lines with dtlr
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/77ac5213e32c4d2180d0a245c1e388b2
work_keys_str_mv	AT elsaeedali anenhancedalgorithmforconventionalprotectiondevicesoftransmissionlineswithdtlr AT andrewmknight anenhancedalgorithmforconventionalprotectiondevicesoftransmissionlineswithdtlr AT elsaeedali enhancedalgorithmforconventionalprotectiondevicesoftransmissionlineswithdtlr AT andrewmknight enhancedalgorithmforconventionalprotectiondevicesoftransmissionlineswithdtlr
_version_	1718425231254618112

An Enhanced Algorithm for Conventional Protection Devices of Transmission Lines With DTLR

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