{"id":"https://openalex.org/W2068725982","doi":"https://doi.org/10.1109/afrcon.2011.6072025","title":"Initial results of investigations into introducing new HVDC injections into the Cape network to increase transfer capacity","display_name":"Initial results of investigations into introducing new HVDC injections into the Cape network to increase transfer capacity","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2068725982","doi":"https://doi.org/10.1109/afrcon.2011.6072025","mag":"2068725982"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2011.6072025","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072025","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034612276","display_name":"Nhlanhla Mbuli","orcid":"https://orcid.org/0000-0002-5901-4971"},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Nhlanhla Mbuli","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Johannesburg, Johannesburg, South Africa","[Department of Electrical and Electronic Engineering, University of Johannesburg, South Africa]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Johannesburg, Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]},{"raw_affiliation_string":"[Department of Electrical and Electronic Engineering, University of Johannesburg, South Africa]","institution_ids":["https://openalex.org/I24027795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110213121","display_name":"Silence Sithole","orcid":null},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Silence Sithole","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Johannesburg, Johannesburg, South Africa","[Department of Electrical and Electronic Engineering, University of Johannesburg, South Africa]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Johannesburg, Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]},{"raw_affiliation_string":"[Department of Electrical and Electronic Engineering, University of Johannesburg, South Africa]","institution_ids":["https://openalex.org/I24027795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000512226","display_name":"Thamsanqa Ngcobo","orcid":null},"institutions":[{"id":"https://openalex.org/I64102629","display_name":"Eskom (South Africa)","ror":"https://ror.org/02g2syx91","country_code":"ZA","type":"company","lineage":["https://openalex.org/I64102629"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Thamsanqa Ngcobo","raw_affiliation_strings":["Eskom Holdings Limited, Sunninghill, South Africa","Eskom Holdings Limited, Megawatt Park, Sunninghill, South Africa"],"affiliations":[{"raw_affiliation_string":"Eskom Holdings Limited, Sunninghill, South Africa","institution_ids":[]},{"raw_affiliation_string":"Eskom Holdings Limited, Megawatt Park, Sunninghill, South Africa","institution_ids":["https://openalex.org/I64102629"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5034612276"],"corresponding_institution_ids":["https://openalex.org/I24027795"],"apc_list":null,"apc_paid":null,"fwci":1.9575,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.8839647,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12804","display_name":"Thermal Analysis in Power Transmission","score":0.9883999824523926,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12804","display_name":"Thermal Analysis in Power Transmission","score":0.9883999824523926,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11102","display_name":"HVDC Systems and Fault Protection","score":0.9822999835014343,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11941","display_name":"Power System Reliability and Maintenance","score":0.9570000171661377,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/limit","display_name":"Limit (mathematics)","score":0.715516984462738},{"id":"https://openalex.org/keywords/high-voltage-direct-current","display_name":"High-voltage direct current","score":0.5899471044540405},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.5573976039886475},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5525000691413879},{"id":"https://openalex.org/keywords/electric-power-transmission","display_name":"Electric power transmission","score":0.5148603320121765},{"id":"https://openalex.org/keywords/cape","display_name":"Cape","score":0.48738914728164673},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.47534725069999695},{"id":"https://openalex.org/keywords/transfer","display_name":"Transfer (computing)","score":0.4679257869720459},{"id":"https://openalex.org/keywords/project-commissioning","display_name":"Project commissioning","score":0.4270639419555664},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.4219174385070801},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.40413832664489746},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.36665108799934387},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.3584057092666626},{"id":"https://openalex.org/keywords/direct-current","display_name":"Direct current","score":0.1703513264656067},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.16957446932792664},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13589033484458923},{"id":"https://openalex.org/keywords/publishing","display_name":"Publishing","score":0.11027741432189941},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.10133734345436096},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.0955403745174408}],"concepts":[{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.715516984462738},{"id":"https://openalex.org/C2781163877","wikidata":"https://www.wikidata.org/wiki/Q370607","display_name":"High-voltage direct current","level":4,"score":0.5899471044540405},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.5573976039886475},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5525000691413879},{"id":"https://openalex.org/C140311924","wikidata":"https://www.wikidata.org/wiki/Q200928","display_name":"Electric power transmission","level":2,"score":0.5148603320121765},{"id":"https://openalex.org/C2777628658","wikidata":"https://www.wikidata.org/wiki/Q1034198","display_name":"Cape","level":2,"score":0.48738914728164673},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.47534725069999695},{"id":"https://openalex.org/C2776175482","wikidata":"https://www.wikidata.org/wiki/Q1195816","display_name":"Transfer (computing)","level":2,"score":0.4679257869720459},{"id":"https://openalex.org/C165347436","wikidata":"https://www.wikidata.org/wiki/Q1514547","display_name":"Project commissioning","level":3,"score":0.4270639419555664},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4219174385070801},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40413832664489746},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.36665108799934387},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.3584057092666626},{"id":"https://openalex.org/C2776620479","wikidata":"https://www.wikidata.org/wiki/Q159241","display_name":"Direct current","level":3,"score":0.1703513264656067},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.16957446932792664},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13589033484458923},{"id":"https://openalex.org/C151719136","wikidata":"https://www.wikidata.org/wiki/Q3972943","display_name":"Publishing","level":2,"score":0.11027741432189941},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.10133734345436096},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0955403745174408},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2011.6072025","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072025","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2131420710"],"related_works":["https://openalex.org/W4251985815","https://openalex.org/W2166710383","https://openalex.org/W609066763","https://openalex.org/W2056778125","https://openalex.org/W2291937350","https://openalex.org/W4362242787","https://openalex.org/W4298102536","https://openalex.org/W2083436473","https://openalex.org/W1597126268","https://openalex.org/W4282840351"],"abstract_inverted_index":{"The":[0],"early":[1],"phases":[2],"of":[3,6,12,27,44,58,76,118,127],"the":[4,7,20,24,28,33,36,39,47,84,99,116,119,124,131],"development":[5],"Cape":[8,100],"network":[9,49,101],"entailed":[10],"construction":[11],"400":[13],"kV":[14,78],"lines":[15,60,79],"to":[16,62,74,102,109,122,139],"link":[17],"supplied":[18],"from":[19],"generation":[21],"pool":[22],"in":[23,30,35,67],"northern":[25],"part":[26],"country,":[29],"Mpumalanga,":[31],"with":[32],"loads":[34],"Cape,":[37],"i.e.,":[38],"Western":[40],"and":[41,64,136],"Southern":[42],"grids":[43],"Eskom.":[45],"Once":[46],"400kV":[48,59],"was":[50],"matured,":[51],"it":[52],"became":[53],"apparent":[54],"that":[55],"further":[56,81,103,137],"commissioning":[57],"led":[61,73],"lesser":[63,65],"improvements":[66],"voltage":[68,93,106],"stability":[69,107],"limit":[70,108],"improvements.":[71],"This":[72,113],"consideration":[75],"765":[77],"for":[80],"expansion.":[82],"For":[83],"future,":[85],"considerations":[86],"are":[87,143],"being":[88],"made":[89],"into":[90,98,130,142],"introducing":[91,128],"high":[92],"direct":[94],"current":[95],"(HVDC)":[96],"systems":[97],"increase":[104],"its":[105],"support":[110],"future":[111],"loads.":[112],"paper":[114],"presents":[115],"results":[117],"preliminary":[120],"work":[121],"assess":[123],"techno-economic":[125],"merits":[126],"HVDC":[129],"Cape.":[132],"Some":[133],"lessons":[134],"learnt":[135],"questions":[138],"be":[140],"looked":[141],"discussed.":[144]},"counts_by_year":[{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
