{"id":"https://openalex.org/W7225564422","doi":"https://doi.org/10.5370/kiee.2026.75.11.3040","title":"Operational and Energy Benefit Analysis of a Modular Multilevel Converter-Based Bidirectional Continuous Railway Feeding System","display_name":"Operational and Energy Benefit Analysis of a Modular Multilevel Converter-Based Bidirectional Continuous Railway Feeding System","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225564422","doi":"https://doi.org/10.5370/kiee.2026.75.11.3040"},"language":"en","primary_location":{"id":"doi:10.5370/kiee.2026.75.11.3040","doi":"https://doi.org/10.5370/kiee.2026.75.11.3040","is_oa":false,"landing_page_url":"https://doi.org/10.5370/kiee.2026.75.11.3040","pdf_url":null,"source":{"id":"https://openalex.org/S2764620966","display_name":"The Transactions of The Korean Institute of Electrical Engineers","issn_l":"1975-8359","issn":["1975-8359","2287-4364"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4322697825","host_organization_name":"Korean Institute of Electrical Engineers","host_organization_lineage":["https://openalex.org/P4322697825"],"host_organization_lineage_names":["Korean Institute of Electrical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The transactions of The Korean Institute of Electrical Engineers","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5161286518","display_name":"Byeong-Jun Kang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Byeong-Jun Kang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114099467","display_name":"Dong-IL Sung","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dong-Il Sung","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161262371","display_name":"So-Hyeon Park","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"So-Hyeon Park","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5161273021","display_name":"Hyeon-Ho Seo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hyeon-Ho Seo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"75","issue":"11","first_page":"3040","last_page":"3045"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13093","display_name":"Electric Power Systems and Control","score":0.0013000000035390258,"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/T11102","display_name":"HVDC Systems and Fault Protection","score":0.0005000000237487257,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/modular-multilevel-converter","display_name":"modular multilevel converter","score":0.9779999852180481},{"id":"https://openalex.org/keywords/neutral-section","display_name":"neutral section","score":0.6269999742507935},{"id":"https://openalex.org/keywords/renewable-energy","display_name":"renewable energy","score":0.628000020980835},{"id":"https://openalex.org/keywords/energy-balance","display_name":"energy balance","score":0.875},{"id":"https://openalex.org/keywords/braking-energy-recovery","display_name":"braking energy recovery","score":0.6970000267028809},{"id":"https://openalex.org/keywords/railway-electrification","display_name":"railway electrification","score":0.40400001406669617}],"concepts":[{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.758899986743927},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5763000249862671},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5309000015258789},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.3944999873638153},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.36880001425743103},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3637999892234802},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.34279999136924744},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.30320000648498535},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.2906000018119812},{"id":"https://openalex.org/C2777614354","wikidata":"https://www.wikidata.org/wiki/Q55648394","display_name":"Modular construction","level":3,"score":0.2791000008583069},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.273499995470047}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5370/kiee.2026.75.11.3040","doi":"https://doi.org/10.5370/kiee.2026.75.11.3040","is_oa":false,"landing_page_url":"https://doi.org/10.5370/kiee.2026.75.11.3040","pdf_url":null,"source":{"id":"https://openalex.org/S2764620966","display_name":"The Transactions of The Korean Institute of Electrical Engineers","issn_l":"1975-8359","issn":["1975-8359","2287-4364"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4322697825","host_organization_name":"Korean Institute of Electrical Engineers","host_organization_lineage":["https://openalex.org/P4322697825"],"host_organization_lineage_names":["Korean Institute of Electrical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The transactions of The Korean Institute of Electrical Engineers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":1.0},{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.75}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3192746580","https://openalex.org/W2805300338","https://openalex.org/W2749807113","https://openalex.org/W1548751348","https://openalex.org/W2262038835","https://openalex.org/W2342450788","https://openalex.org/W2558840203","https://openalex.org/W2512015006","https://openalex.org/W3193739620","https://openalex.org/W6903816268"],"abstract_inverted_index":{"Neutral":[0],"sections":[1],"in":[2,129],"25":[3],"kV":[4],"AC":[5],"railways":[6],"require":[7],"trains":[8],"to":[9,95,112,125,137,147,169],"coast":[10],"with":[11,25],"the":[12,26,30,34,127,140,171],"main":[13],"circuit":[14],"breaker":[15],"open,":[16],"which":[17],"temporarily":[18],"interrupts":[19],"traction.":[20],"Regenerative-energy":[21],"use":[22],"also":[23],"varies":[24],"power-receptive":[27],"capacity":[28],"of":[29,42,76,81,156,163],"feeding":[31,46],"section":[32],"and":[33,39,62,79,100,107,166,175],"upstream":[35],"grid.":[36],"The":[37,109,149],"operational":[38],"energy":[40,133],"effects":[41],"a":[43,50,58,154],"bidirectional":[44],"continuous":[45],"system":[47],"based":[48],"on":[49,92],"modular":[51],"multilevel":[52],"converter":[53],"(MMC)":[54],"were":[55],"quantified":[56],"using":[57],"one-dimensional":[59],"train-motion":[60],"model":[61],"an":[63],"energy-balance":[64],"calculation.":[65],"A":[66],"300":[67],"km/h":[68,91,97,103],"train":[69,164],"was":[70,151],"evaluated":[71],"for":[72],"effective":[73],"de-energized":[74],"lengths":[75],"200\u2013800":[77],"m":[78,106],"gradients":[80],"0\u201315\u2030.":[82],"At":[83],"400":[84],"m,":[85],"speed":[86],"loss":[87],"increased":[88,122],"from":[89,123,135,145],"1.28":[90],"level":[93],"track":[94],"3.23":[96],"at":[98,104,153],"12\u2030":[99],"reached":[101],"7.50":[102],"800":[105],"15\u2030.":[108],"calculated":[110],"delay":[111],"initial-speed":[113],"recovery":[114],"remained":[115],"below":[116],"0.4":[117],"s.":[118],"When":[119],"regenerative":[120],"receptivity":[121],"0.32":[124],"0.88,":[126],"reduction":[128,150],"normalized":[130],"net":[131],"supply":[132],"ranged":[134],"5.8%":[136],"18.6%":[138],"as":[139],"recoverable":[141],"braking-energy":[142],"ratio":[143,155],"varied":[144],"0.10":[146],"0.30.":[148],"12.0%":[152],"0.20.":[157],"Field":[158],"validation":[159],"requires":[160],"synchronized":[161],"measurements":[162],"operation":[165],"feeder":[167],"power":[168],"replace":[170],"assumed":[172],"vehicle":[173],"parameters":[174],"receptivities.":[176]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-09T00:00:00"}