{"id":"https://openalex.org/W7202380903","doi":"https://doi.org/10.1109/eic68788.2026.11642522","title":"Optimization of the Cooling System in OD-Type Oil-Immersed Power Transformers","display_name":"Optimization of the Cooling System in OD-Type Oil-Immersed Power Transformers","publication_year":2026,"publication_date":"2026-07-01","ids":{"openalex":"https://openalex.org/W7202380903","doi":"https://doi.org/10.1109/eic68788.2026.11642522"},"language":"en","primary_location":{"id":"doi:10.1109/eic68788.2026.11642522","doi":"https://doi.org/10.1109/eic68788.2026.11642522","is_oa":true,"landing_page_url":"https://doi.org/10.1109/eic68788.2026.11642522","pdf_url":null,"source":{"id":"https://openalex.org/S7407086244","display_name":"IEEE Electrical Insulation Conference (EIC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Electrical Insulation Conference (EIC)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/eic68788.2026.11642522","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5119394157","display_name":"Luis Manuel Espino-Rojas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Luis M. Espino-Rojas","raw_affiliation_strings":["SEPI-ESIME Zacatenco, Instituto Polit\u00e9cnico Nacional"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SEPI-ESIME Zacatenco, Instituto Polit\u00e9cnico Nacional","institution_ids":["https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064323693","display_name":"Rodrigo Oc\u00f3n-Valdez","orcid":"https://orcid.org/0000-0001-7525-1910","observed_orcids":["https://orcid.org/0000-0001-7525-1910"]},"institutions":[{"id":"https://openalex.org/I4405252642","display_name":"Facultad de Estudios Superiores Arag\u00f3n","ror":"https://ror.org/00szdrw29","country_code":"MX","type":"education","lineage":["https://openalex.org/I4405252642","https://openalex.org/I8961855"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Rodrigo Oc\u00f3n-Valdez","raw_affiliation_strings":["Electrical-Electronic Engineering UNAM, FES-Arag\u00f3n"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical-Electronic Engineering UNAM, FES-Arag\u00f3n","institution_ids":["https://openalex.org/I4405252642"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065927604","display_name":"Fermin Pascual Espino-Cortes","orcid":"https://orcid.org/0000-0003-4853-7563","observed_orcids":["https://orcid.org/0000-0003-4853-7563"]},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Ferm\u00edn P. Espino-Cort\u00e9s","raw_affiliation_strings":["SEPI-ESIME Zacatenco, Instituto Polit\u00e9cnico Nacional"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SEPI-ESIME Zacatenco, Instituto Polit\u00e9cnico Nacional","institution_ids":["https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5147119307","display_name":"R. Linares-y-Miranda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"R. Linares-y-Miranda","raw_affiliation_strings":["SEPI-ESIME Zacatenco, Instituto Polit\u00e9cnico Nacional"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SEPI-ESIME Zacatenco, Instituto Polit\u00e9cnico Nacional","institution_ids":["https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5147092124","display_name":"Fayyas Ali Jandan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fayyas Ali Jandan","raw_affiliation_strings":["Tandon School of Engineering, New York University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tandon School of Engineering, New York University","institution_ids":["https://openalex.org/I57206974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041962459","display_name":"Francisco de Le\u00f3n","orcid":"https://orcid.org/0000-0002-0777-4477","observed_orcids":["https://orcid.org/0000-0002-0777-4477"]},"institutions":[{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Francisco de Leon","raw_affiliation_strings":["Tandon School of Engineering, New York University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tandon School of Engineering, New York University","institution_ids":["https://openalex.org/I57206974"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"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":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11343","display_name":"Power Transformer Diagnostics and Insulation","score":0.75,"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/T11343","display_name":"Power Transformer Diagnostics and Insulation","score":0.75,"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/T10998","display_name":"Heat Transfer and Optimization","score":0.19840000569820404,"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/T12804","display_name":"Thermal Analysis in Power Transmission","score":0.013500000350177288,"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/oil-immersed-transformers","display_name":"oil-immersed transformers","score":0.8840000033378601},{"id":"https://openalex.org/keywords/hot-spot-temperature","display_name":"hot spot temperature","score":0.9649999737739563},{"id":"https://openalex.org/keywords/multiphysics-simulation","display_name":"multiphysics simulation","score":0.8059999942779541},{"id":"https://openalex.org/keywords/electromagnetic-thermal-coupling","display_name":"electromagnetic-thermal coupling","score":0.7710000276565552},{"id":"https://openalex.org/keywords/conjugate-heat-transfer","display_name":"conjugate heat transfer","score":0.9240000247955322},{"id":"https://openalex.org/keywords/mixed-integer-nonlinear-programming","display_name":"mixed-integer nonlinear programming","score":0.902999997138977},{"id":"https://openalex.org/keywords/bayesian-optimization","display_name":"Bayesian optimization","score":0.9919999837875366},{"id":"https://openalex.org/keywords/natural-convection-cooling","display_name":"natural convection cooling","score":0.746999979019165}],"concepts":[{"id":"https://openalex.org/C7694927","wikidata":"https://www.wikidata.org/wiki/Q7667810","display_name":"Water cooling","level":2,"score":0.5920000076293945},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.4616999924182892},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.35100001096725464},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3411000072956085},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.33640000224113464},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.30000001192092896},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.29319998621940613},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2554999887943268},{"id":"https://openalex.org/C2778547687","wikidata":"https://www.wikidata.org/wiki/Q193886","display_name":"Cooling tower","level":3,"score":0.24619999527931213},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.2370000034570694}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/eic68788.2026.11642522","doi":"https://doi.org/10.1109/eic68788.2026.11642522","is_oa":true,"landing_page_url":"https://doi.org/10.1109/eic68788.2026.11642522","pdf_url":null,"source":{"id":"https://openalex.org/S7407086244","display_name":"IEEE Electrical Insulation Conference (EIC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Electrical Insulation Conference (EIC)","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1109/eic68788.2026.11642522","doi":"https://doi.org/10.1109/eic68788.2026.11642522","is_oa":true,"landing_page_url":"https://doi.org/10.1109/eic68788.2026.11642522","pdf_url":null,"source":{"id":"https://openalex.org/S7407086244","display_name":"IEEE Electrical Insulation Conference (EIC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Electrical Insulation Conference (EIC)","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.9853000044822693,"id":"https://metadata.un.org/sdg/7"},{"display_name":"Industry, innovation and infrastructure","score":0.7207000255584717,"id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2809493286","https://openalex.org/W3022574334","https://openalex.org/W3083957290","https://openalex.org/W4407052930","https://openalex.org/W4407842952"],"related_works":["https://openalex.org/W7203457830","https://openalex.org/W2530415845","https://openalex.org/W7223012892","https://openalex.org/W3109372418","https://openalex.org/W2801541930","https://openalex.org/W1998072906","https://openalex.org/W2329562809","https://openalex.org/W7202391214","https://openalex.org/W1563179808","https://openalex.org/W2514153925"],"abstract_inverted_index":{"The":[0,49,120,157],"service":[1],"life":[2],"of":[3,11,26,165],"power":[4,131],"transformers":[5],"depends":[6],"on":[7],"the":[8,12,18,24,35,77,110,123,139,162,166,169,184,196,206],"thermal":[9],"degradation":[10],"insulation,":[13],"a":[14,58,80],"process":[15],"accelerated":[16],"by":[17,33,172],"hot-spot":[19,43,170],"temperature.":[20],"This":[21,85],"study":[22,126],"optimizes":[23],"design":[25,164],"directed":[27],"oil":[28],"flow":[29],"(OD)":[30],"cooling":[31],"systems":[32],"reconfiguring":[34],"barriers":[36,167],"position":[37],"in":[38,122],"disk":[39],"windings":[40],"to":[41,52,183,188],"minimize":[42],"temperature":[44,171],"without":[45,204],"increasing":[46],"material":[47],"costs.":[48],"methodology,":[50],"applicable":[51],"any":[53],"type":[54],"OD":[55],"transformer,":[56],"integrates":[57],"multiphysics":[59],"simulation":[60],"that":[61,160],"couples":[62],"electromagnetic":[63],"(EMF)":[64],"analysis":[65],"with":[66,107,145,153],"computational":[67],"fluid":[68],"dynamics":[69],"(CFD)":[70],"and":[71,114,149,177],"conjugate":[72],"heat":[73],"transfer":[74],"(CHT),":[75],"formulating":[76],"problem":[78],"as":[79,92],"mixed-integer":[81],"nonlinear":[82],"optimization":[83,116],"(MINLP).":[84],"approach":[86],"can":[87,127],"detect":[88],"complex":[89],"phenomena":[90],"such":[91],"reverse":[93],"flows":[94],"or":[95,199],"stagnation;":[96],"however,":[97],"it":[98],"is":[99,134],"computationally":[100],"very":[101],"demanding.":[102],"To":[103],"balance":[104],"physical":[105],"accuracy":[106],"computation":[108],"time,":[109],"model":[111],"was":[112],"simplified,":[113],"Bayesian":[115],"algorithms":[117],"were":[118],"employed.":[119],"transformer":[121,140],"presented":[124],"case":[125],"operate":[128],"at":[129,142,150],"different":[130],"levels.":[132],"Optimization":[133],"performed":[135],"for":[136,175,179],"two":[137],"cases:":[138],"operating":[141],"16":[143],"MVA":[144,152],"natural":[146],"convection":[147],"(ON)":[148],"20":[151],"forced":[154],"flux":[155],"(OF).":[156],"results":[158],"demonstrate":[159],"optimizing":[161],"geometric":[163],"reduces":[168],"approximately":[173],"3\u00b0C":[174],"ON,":[176],"8\u00b0C":[178],"OF":[180],"when":[181],"compared":[182],"original":[185],"design.":[186],"According":[187],"Montsinger's":[189],"rule,":[190],"this":[191],"theoretical":[192],"reduction":[193],"could":[194],"extend":[195],"insulation":[197],"lifespan":[198],"allow":[200],"an":[201],"overload":[202],"capacity":[203],"compromising":[205],"asset.":[207]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-08-14T00:00:00"}