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Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network

Omowumi Olasunkanmi, Waliu O. Apena, Andrew Barron Orcid Logo, Alvin Orbaek White Orcid Logo, Grazia Todeschini

Energies, Volume: 15, Issue: 24, Start page: 9631

Swansea University Authors: Omowumi Olasunkanmi, Andrew Barron Orcid Logo, Alvin Orbaek White Orcid Logo, Grazia Todeschini

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DOI (Published version): 10.3390/en15249631

Abstract

Regular and reliable access to energy is critical to the foundations of a stable and growing economy. The Nigerian transmission network generates more electricity than is consumed but, due to unpredicted outages, customers are often left without electrical power for several hours during the year. Th...

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Published in: Energies
ISSN: 1996-1073
Published: MDPI AG 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa62192
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The Nigerian transmission network generates more electricity than is consumed but, due to unpredicted outages, customers are often left without electrical power for several hours during the year. This paper aims to assess the present reliability indices of the Nigerian transmission network, and to determine the impact of HVDCs on system reliability. In the first part of this paper, the reliability of the Nigerian transmission system is quantified by building a model in DIgSILENT PowerFactory and carrying out a reliability study based on data provided by the Nigerian transmission-system operator. Both network indices and load-point indices are evaluated, and the weakest points in the network are identified. In the second part of the paper, an HVDC model is built and integrated into the existing network at the locations identified by the reliability study. A comparative study using two different HVDC connections is then carried out, to determine the critical impact of HVDC on system reliability. The reliability results indicate that the weakest points of the transmission system are the radial feeders, and the highest impact could be achieved by spanning an HVDC line between two busbars located at the two extremes of a radial feeder: Azura and Yola.</abstract><type>Journal Article</type><journal>Energies</journal><volume>15</volume><journalNumber>24</journalNumber><paginationStart>9631</paginationStart><paginationEnd/><publisher>MDPI AG</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint/><issnElectronic>1996-1073</issnElectronic><keywords>load-point indices; reliability; VSC-HVDC; transmission network</keywords><publishedDay>19</publishedDay><publishedMonth>12</publishedMonth><publishedYear>2022</publishedYear><publishedDate>2022-12-19</publishedDate><doi>10.3390/en15249631</doi><url/><notes/><college>COLLEGE NANME</college><department>Science and Engineering - Faculty</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>FGSEN</DepartmentCode><institution>Swansea University</institution><apcterm>External research funder(s) paid the OA fee (includes OA grants disbursed by the Library)</apcterm><funders>This research was supported by the Tertiary Education Trust Fund (TETFUND) under the Academic Staff Training &amp; Development (AST&amp;D) program of the Federal Republic of Nigeria and by the UK Engineering and Physical Sciences Research Council (EPSRC) grant EP/T013206/2. 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spelling 2023-02-03T13:03:52.3196228 v2 62192 2022-12-21 Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network b9908ef1660e299e3ed74b66740c1dd9 Omowumi Olasunkanmi Omowumi Olasunkanmi true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 8414a23650d4403fdfe1a735dbd2e24e 0000-0001-6338-5970 Alvin Orbaek White Alvin Orbaek White true false c4ff9050b31bdec0e560b19bfb3b56d3 Grazia Todeschini Grazia Todeschini true false 2022-12-21 FGSEN Regular and reliable access to energy is critical to the foundations of a stable and growing economy. The Nigerian transmission network generates more electricity than is consumed but, due to unpredicted outages, customers are often left without electrical power for several hours during the year. This paper aims to assess the present reliability indices of the Nigerian transmission network, and to determine the impact of HVDCs on system reliability. In the first part of this paper, the reliability of the Nigerian transmission system is quantified by building a model in DIgSILENT PowerFactory and carrying out a reliability study based on data provided by the Nigerian transmission-system operator. Both network indices and load-point indices are evaluated, and the weakest points in the network are identified. In the second part of the paper, an HVDC model is built and integrated into the existing network at the locations identified by the reliability study. A comparative study using two different HVDC connections is then carried out, to determine the critical impact of HVDC on system reliability. The reliability results indicate that the weakest points of the transmission system are the radial feeders, and the highest impact could be achieved by spanning an HVDC line between two busbars located at the two extremes of a radial feeder: Azura and Yola. Journal Article Energies 15 24 9631 MDPI AG 1996-1073 load-point indices; reliability; VSC-HVDC; transmission network 19 12 2022 2022-12-19 10.3390/en15249631 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) This research was supported by the Tertiary Education Trust Fund (TETFUND) under the Academic Staff Training & Development (AST&D) program of the Federal Republic of Nigeria and by the UK Engineering and Physical Sciences Research Council (EPSRC) grant EP/T013206/2. TETFUND’s support to produce this publication does not constitute an endorsement of the contents, which reflect the views only of the authors, and the Commission cannot be held responsible for any use which may be made of the information contained therein. 2023-02-03T13:03:52.3196228 2022-12-21T11:32:13.0609007 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Omowumi Olasunkanmi 1 Waliu O. Apena 2 Andrew Barron 0000-0002-2018-8288 3 Alvin Orbaek White 0000-0001-6338-5970 4 Grazia Todeschini 5 62192__26258__9245ffedc3564228a41723f5ada3eb6d.pdf 62192.pdf 2023-01-11T16:27:06.6546219 Output 1291683 application/pdf Version of Record true Copyright: © 2022 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/
title Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
spellingShingle Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
Omowumi Olasunkanmi
Andrew Barron
Alvin Orbaek White
Grazia Todeschini
title_short Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
title_full Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
title_fullStr Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
title_full_unstemmed Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
title_sort Impact of a HVDC Link on the Reliability of the Bulk Nigerian Transmission Network
author_id_str_mv b9908ef1660e299e3ed74b66740c1dd9
92e452f20936d688d36f91c78574241d
8414a23650d4403fdfe1a735dbd2e24e
c4ff9050b31bdec0e560b19bfb3b56d3
author_id_fullname_str_mv b9908ef1660e299e3ed74b66740c1dd9_***_Omowumi Olasunkanmi
92e452f20936d688d36f91c78574241d_***_Andrew Barron
8414a23650d4403fdfe1a735dbd2e24e_***_Alvin Orbaek White
c4ff9050b31bdec0e560b19bfb3b56d3_***_Grazia Todeschini
author Omowumi Olasunkanmi
Andrew Barron
Alvin Orbaek White
Grazia Todeschini
author2 Omowumi Olasunkanmi
Waliu O. Apena
Andrew Barron
Alvin Orbaek White
Grazia Todeschini
format Journal article
container_title Energies
container_volume 15
container_issue 24
container_start_page 9631
publishDate 2022
institution Swansea University
issn 1996-1073
doi_str_mv 10.3390/en15249631
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description Regular and reliable access to energy is critical to the foundations of a stable and growing economy. The Nigerian transmission network generates more electricity than is consumed but, due to unpredicted outages, customers are often left without electrical power for several hours during the year. This paper aims to assess the present reliability indices of the Nigerian transmission network, and to determine the impact of HVDCs on system reliability. In the first part of this paper, the reliability of the Nigerian transmission system is quantified by building a model in DIgSILENT PowerFactory and carrying out a reliability study based on data provided by the Nigerian transmission-system operator. Both network indices and load-point indices are evaluated, and the weakest points in the network are identified. In the second part of the paper, an HVDC model is built and integrated into the existing network at the locations identified by the reliability study. A comparative study using two different HVDC connections is then carried out, to determine the critical impact of HVDC on system reliability. The reliability results indicate that the weakest points of the transmission system are the radial feeders, and the highest impact could be achieved by spanning an HVDC line between two busbars located at the two extremes of a radial feeder: Azura and Yola.
published_date 2022-12-19T04:21:37Z
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score 11.014067

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