{"id":"https://openalex.org/W3195508125","doi":"https://doi.org/10.1109/tvt.2021.3104309","title":"Modified AC/DC Unified Power Flow and Energy-Saving Evaluation for Urban Rail Power Supply System With Energy Feedback Systems","display_name":"Modified AC/DC Unified Power Flow and Energy-Saving Evaluation for Urban Rail Power Supply System With Energy Feedback Systems","publication_year":2021,"publication_date":"2021-08-12","ids":{"openalex":"https://openalex.org/W3195508125","doi":"https://doi.org/10.1109/tvt.2021.3104309","mag":"3195508125"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2021.3104309","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2021.3104309","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-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/A5027654396","display_name":"Wei Liu","orcid":"https://orcid.org/0000-0002-5654-9719"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Liu","raw_affiliation_strings":["Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100623137","display_name":"Jian Zhang","orcid":"https://orcid.org/0000-0002-3462-9953"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Zhang","raw_affiliation_strings":["Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048354993","display_name":"Hui Wang","orcid":"https://orcid.org/0000-0002-8722-1257"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Wang","raw_affiliation_strings":["Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025702814","display_name":"Tuojian Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tuojian Wu","raw_affiliation_strings":["Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Shool of Electrical Engineering, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002877096","display_name":"Ying Lou","orcid":null},"institutions":[{"id":"https://openalex.org/I2800970254","display_name":"State Intellectual Property Office","ror":"https://ror.org/00zrjgm10","country_code":"CN","type":"government","lineage":["https://openalex.org/I2800970254"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Lou","raw_affiliation_strings":["Patent Examination Cooperation SiChuan Center of the Patent Office, National Intellectual Property Administration, PRC, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Patent Examination Cooperation SiChuan Center of the Patent Office, National Intellectual Property Administration, PRC, Chengdu, China","institution_ids":["https://openalex.org/I2800970254"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089675292","display_name":"Xiaowen Ye","orcid":"https://orcid.org/0000-0002-7047-0038"},"institutions":[{"id":"https://openalex.org/I4210086825","display_name":"Guangzhou Education Bureau","ror":"https://ror.org/00479t136","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210086825"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaowen Ye","raw_affiliation_strings":["Guangzhou Power Supply Bureau Company Ltd., Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"Guangzhou Power Supply Bureau Company Ltd., Guangzhou, China","institution_ids":["https://openalex.org/I4210086825"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5027654396"],"corresponding_institution_ids":["https://openalex.org/I4800084"],"apc_list":null,"apc_paid":null,"fwci":2.8642,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.91480562,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"70","issue":"10","first_page":"9898","last_page":"9909"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T11568","display_name":"Railway Systems and Energy Efficiency","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T12371","display_name":"Electrical Contact Performance and Analysis","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10842","display_name":"Railway Engineering and Dynamics","score":0.986299991607666,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/traction-power-network","display_name":"Traction power network","score":0.5655989050865173},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5515961647033691},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5429996252059937},{"id":"https://openalex.org/keywords/train","display_name":"Train","score":0.5096871852874756},{"id":"https://openalex.org/keywords/electric-power-system","display_name":"Electric power system","score":0.49688366055488586},{"id":"https://openalex.org/keywords/energy-flow","display_name":"Energy flow","score":0.48708415031433105},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.4863205850124359},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.4502871632575989},{"id":"https://openalex.org/keywords/automotive-engineering","display_name":"Automotive engineering","score":0.4317372143268585},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4251737594604492},{"id":"https://openalex.org/keywords/switched-mode-power-supply","display_name":"Switched-mode power supply","score":0.4111288785934448},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.37791478633880615},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.32325053215026855},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08955484628677368}],"concepts":[{"id":"https://openalex.org/C186697258","wikidata":"https://www.wikidata.org/wiki/Q361842","display_name":"Traction power network","level":3,"score":0.5655989050865173},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5515961647033691},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5429996252059937},{"id":"https://openalex.org/C190839683","wikidata":"https://www.wikidata.org/wiki/Q2448197","display_name":"Train","level":2,"score":0.5096871852874756},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.49688366055488586},{"id":"https://openalex.org/C206815995","wikidata":"https://www.wikidata.org/wiki/Q1341307","display_name":"Energy flow","level":3,"score":0.48708415031433105},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4863205850124359},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.4502871632575989},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.4317372143268585},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4251737594604492},{"id":"https://openalex.org/C151799858","wikidata":"https://www.wikidata.org/wiki/Q587008","display_name":"Switched-mode power supply","level":3,"score":0.4111288785934448},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.37791478633880615},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.32325053215026855},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08955484628677368},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2021.3104309","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2021.3104309","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6700000166893005,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G5549118613","display_name":null,"funder_award_id":"51607148","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1565946331","https://openalex.org/W1972920540","https://openalex.org/W1991675776","https://openalex.org/W2101075184","https://openalex.org/W2137943888","https://openalex.org/W2138257083","https://openalex.org/W2159334569","https://openalex.org/W2171640916","https://openalex.org/W2175611324","https://openalex.org/W2259071945","https://openalex.org/W2342190714","https://openalex.org/W2345897670","https://openalex.org/W2354877843","https://openalex.org/W2358356915","https://openalex.org/W2572594522","https://openalex.org/W2601982854","https://openalex.org/W2604894343","https://openalex.org/W2619522660","https://openalex.org/W2791861336","https://openalex.org/W2792231054","https://openalex.org/W2804847109","https://openalex.org/W2909135690","https://openalex.org/W2911349523","https://openalex.org/W2948213667","https://openalex.org/W3012010401","https://openalex.org/W3071775947","https://openalex.org/W6980364344"],"related_works":["https://openalex.org/W618248309","https://openalex.org/W2377336366","https://openalex.org/W1568097102","https://openalex.org/W4390419160","https://openalex.org/W1601203902","https://openalex.org/W2075798043","https://openalex.org/W3127886006","https://openalex.org/W2557843043","https://openalex.org/W2525951298","https://openalex.org/W2351857199"],"abstract_inverted_index":{"Energy":[0],"feedback":[1,147],"systems":[2,25,219],"(EFSs)":[3],"have":[4],"been":[5],"widely":[6],"applied":[7,104],"in":[8,30,120,202],"urban":[9,21],"rail":[10,22],"transit,":[11],"and":[12,17,38,45,81,213],"a":[13,60,82,88],"power":[14,23,54,64,70,108,217],"flow":[15,65,109],"algorithm":[16,66],"energy-saving":[18,100,167],"evaluation":[19,101],"of":[20,56,139,155,215],"supply":[24,71,218],"with":[26,41,220],"EFSs":[27,42],"are":[28,43,49,103],"studied":[29],"this":[31],"paper.":[32],"First,":[33],"trains,":[34],"the":[35,46,52,57,68,75,96,112,116,136,140,144,152,156,165,174,181,187,199,211],"reflux":[36,77],"system,":[37,72],"traction":[39,216],"substations":[40,142],"modeled,":[44],"multimode":[47],"transitions":[48],"analyzed,":[50],"including":[51],"maximum":[53,166],"state":[55],"EFS.":[58],"Then,":[59],"modified":[61],"AC/DC":[62],"unified":[63],"for":[67,210],"DC":[69,76],"which":[73,171],"simplified":[74],"system":[78,107,200],"is":[79,92,125,149,177,184],"proposed,":[80],"field":[83],"case":[84],"study":[85],"based":[86],"on":[87],"multiple":[89],"train":[90],"scenario":[91],"presented":[93],"to":[94,106,162,197],"validate":[95],"algorithm.":[97],"Furthermore,":[98],"system-level":[99],"indexes":[102,118],"according":[105],"analysis.":[110],"When":[111,151,180],"headway":[113],"time":[114],"decreases,":[115],"proposed":[117],"decrease":[119],"general":[121],"mainly":[122],"as":[123],"there":[124],"more":[126,145],"regenerative":[127],"braking":[128],"energy":[129,148],"absorbed":[130],"by":[131],"adjacent":[132],"trains.":[133],"The":[134],"higher":[135,193],"load":[137],"rates":[138],"step-down":[141],"are,":[143],"daily":[146],"utilized.":[150],"start":[153,175,188],"voltage":[154,176,183,189],"EFS":[157],"ranges":[158],"from":[159],"1650":[160],"V":[161,196],"1770":[163],"V,":[164],"rate":[168],"reaches":[169],"11.9%,":[170],"occurs":[172],"when":[173],"1670":[178],"V.":[179],"no-load":[182],"relatively":[185],"high,":[186],"should":[190],"not":[191],"be":[192],"than":[194],"1750":[195],"keep":[198],"running":[201],"high":[203],"efficiency.":[204],"These":[205],"results":[206],"can":[207],"provide":[208],"advice":[209],"design":[212],"operation":[214],"EFSs.":[221]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
