{"id":"https://openalex.org/W3089310466","doi":"https://doi.org/10.1109/access.2020.3025343","title":"Three-Phase Flexible Transformer Based on Bipolar Direct AC/AC Chopper and its Control Strategy","display_name":"Three-Phase Flexible Transformer Based on Bipolar Direct AC/AC Chopper and its Control Strategy","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3089310466","doi":"https://doi.org/10.1109/access.2020.3025343","mag":"3089310466"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3025343","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3025343","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09201377.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09201377.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100354962","display_name":"Yibo Wang","orcid":"https://orcid.org/0000-0001-5277-7485"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yibo Wang","raw_affiliation_strings":["Northeast Electric Power University, Jilin, China"],"raw_orcid":"https://orcid.org/0000-0001-5277-7485","affiliations":[{"raw_affiliation_string":"Northeast Electric Power University, Jilin, China","institution_ids":["https://openalex.org/I179060312"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Guo-Wei Cai","orcid":"https://orcid.org/0000-0002-7346-8216"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guo-Wei Cai","raw_affiliation_strings":["Northeast Electric Power University, Jilin, China"],"raw_orcid":"https://orcid.org/0000-0002-7346-8216","affiliations":[{"raw_affiliation_string":"Northeast Electric Power University, Jilin, China","institution_ids":["https://openalex.org/I179060312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100326619","display_name":"Chuang Liu","orcid":"https://orcid.org/0000-0003-0499-2468"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuang Liu","raw_affiliation_strings":["Northeast Electric Power University, Jilin, China"],"raw_orcid":"https://orcid.org/0000-0003-0499-2468","affiliations":[{"raw_affiliation_string":"Northeast Electric Power University, Jilin, China","institution_ids":["https://openalex.org/I179060312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016263863","display_name":"Bingda Zhu","orcid":"https://orcid.org/0000-0002-6563-5379"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingda Zhu","raw_affiliation_strings":["Northeast Electric Power University, Jilin, China"],"raw_orcid":"https://orcid.org/0000-0002-6563-5379","affiliations":[{"raw_affiliation_string":"Northeast Electric Power University, Jilin, China","institution_ids":["https://openalex.org/I179060312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030593504","display_name":"Dongbo Guo","orcid":"https://orcid.org/0000-0003-3997-7276"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongbo Guo","raw_affiliation_strings":["Northeast Electric Power University, Jilin, China"],"raw_orcid":"https://orcid.org/0000-0003-3997-7276","affiliations":[{"raw_affiliation_string":"Northeast Electric Power University, Jilin, China","institution_ids":["https://openalex.org/I179060312"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100332181","display_name":"Hanwen Zhang","orcid":"https://orcid.org/0000-0003-0180-0993"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hanwen Zhang","raw_affiliation_strings":["Northeast Electric Power University, Jilin, China"],"raw_orcid":"https://orcid.org/0000-0003-0180-0993","affiliations":[{"raw_affiliation_string":"Northeast Electric Power University, Jilin, China","institution_ids":["https://openalex.org/I179060312"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I179060312"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.4038,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.60885826,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"8","issue":null,"first_page":"173336","last_page":"173344"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10573","display_name":"Power Quality and Harmonics","score":0.9975000023841858,"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"}},"topics":[{"id":"https://openalex.org/T10573","display_name":"Power Quality and Harmonics","score":0.9975000023841858,"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/T10228","display_name":"Multilevel Inverters and Converters","score":0.9970999956130981,"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/T11222","display_name":"Magnetic Properties and Applications","score":0.9954000115394592,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chopper","display_name":"Chopper","score":0.6495393514633179},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.6492272615432739},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.492125928401947},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4425976872444153},{"id":"https://openalex.org/keywords/distribution-transformer","display_name":"Distribution transformer","score":0.437010794878006},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4278600811958313},{"id":"https://openalex.org/keywords/voltage-regulation","display_name":"Voltage regulation","score":0.42292681336402893},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.40916708111763},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.311511754989624},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23454630374908447},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.053219228982925415}],"concepts":[{"id":"https://openalex.org/C2780191706","wikidata":"https://www.wikidata.org/wiki/Q191658","display_name":"Chopper","level":3,"score":0.6495393514633179},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.6492272615432739},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.492125928401947},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4425976872444153},{"id":"https://openalex.org/C117323899","wikidata":"https://www.wikidata.org/wiki/Q1907989","display_name":"Distribution transformer","level":4,"score":0.437010794878006},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4278600811958313},{"id":"https://openalex.org/C196226539","wikidata":"https://www.wikidata.org/wiki/Q7940752","display_name":"Voltage regulation","level":3,"score":0.42292681336402893},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.40916708111763},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.311511754989624},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23454630374908447},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.053219228982925415},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3025343","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3025343","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09201377.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:aae3cb35a1ba4bd493eafd9d8a45066d","is_oa":true,"landing_page_url":"https://doaj.org/article/aae3cb35a1ba4bd493eafd9d8a45066d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 173336-173344 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3025343","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3025343","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09201377.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3688926807","display_name":null,"funder_award_id":"51877035","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":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3089310466.pdf","grobid_xml":"https://content.openalex.org/works/W3089310466.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1972228110","https://openalex.org/W2000033381","https://openalex.org/W2011543148","https://openalex.org/W2035154162","https://openalex.org/W2050469128","https://openalex.org/W2099999446","https://openalex.org/W2123461463","https://openalex.org/W2157617757","https://openalex.org/W2164618331","https://openalex.org/W2174868731","https://openalex.org/W2294755385","https://openalex.org/W2342997088","https://openalex.org/W2405526736","https://openalex.org/W2442002586","https://openalex.org/W2524328699","https://openalex.org/W2564370289","https://openalex.org/W2567235731","https://openalex.org/W2576720126","https://openalex.org/W2599481182","https://openalex.org/W2609289087","https://openalex.org/W2741493492","https://openalex.org/W2802438647","https://openalex.org/W2907016681","https://openalex.org/W2907831814","https://openalex.org/W2969336592"],"related_works":["https://openalex.org/W2376014514","https://openalex.org/W2391645806","https://openalex.org/W2039275266","https://openalex.org/W2347945854","https://openalex.org/W4293103600","https://openalex.org/W2378814803","https://openalex.org/W4312811119","https://openalex.org/W3106786046","https://openalex.org/W1994834490","https://openalex.org/W2789536068"],"abstract_inverted_index":{"Dynamic":[0],"states":[1],"(e.g.,":[2],"voltage":[3,57,65,115,128],"sags":[4],"and":[5,14,19,44,49,59,70,90,110,117,142],"swells)":[6],"in":[7,16,20,108],"the":[8,53,68,74,82,97,111,125,140,145,149],"power":[9,46],"grid":[10],"can":[11,51],"cause":[12],"faults":[13],"defects":[15],"sensitive":[17],"loads":[18],"consequence":[21],"financial":[22],"losses.":[23],"This":[24],"paper":[25],"deals":[26],"with":[27],"a":[28,40,130],"flexible":[29,54,83,100,151],"transformer":[30,84,91,101,152],"based":[31,87,95,134],"on":[32,88,96],"bipolar":[33],"direct":[34],"AC/AC":[35],"chopper":[36],"(BD-AC).":[37],"It":[38],"is":[39,92,106,137],"combination":[41],"of":[42,56,73,99,114,127,144,148],"BD-AC":[43,76,89],"traditional":[45],"frequency":[47],"transformer,":[48],"it":[50],"realize":[52],"regulation":[55,112],"amplitude":[58,116],"phase":[60,118],"angle":[61,119,132],"respectively":[62],"according":[63],"to":[64],"requirements.":[66],"Firstly,":[67],"topology":[69,86],"modulation":[71],"strategy":[72,136],"selected":[75],"are":[77,120,154],"analyzed.":[78],"On":[79],"this":[80],"basis,":[81],"system":[85,153],"proposed.":[93,138],"Then,":[94],"structure":[98],"system,":[102],"its":[103],"working":[104],"principle":[105,126],"analyzed":[107],"detail,":[109],"range":[113],"quantitatively":[121],"studied.":[122],"Furthermore,":[123],"considering":[124],"regulation,":[129],"triangle":[131],"theory":[133],"control":[135],"Finally,":[139],"correctness":[141],"effectiveness":[143],"theoretical":[146],"analysis":[147],"proposed":[150],"carried":[155],"out":[156],"by":[157],"detailed":[158],"computer":[159],"simulation.":[160]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
