{"id":"https://openalex.org/W7225577128","doi":"https://doi.org/10.5370/kiee.2026.75.11.3108","title":"Evaluation of Insulation Characteristics in High-Voltage Motor Stator Windings Under Varying Environmental Conditions","display_name":"Evaluation of Insulation Characteristics in High-Voltage Motor Stator Windings Under Varying Environmental Conditions","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225577128","doi":"https://doi.org/10.5370/kiee.2026.75.11.3108"},"language":"en","primary_location":{"id":"doi:10.5370/kiee.2026.75.11.3108","doi":"https://doi.org/10.5370/kiee.2026.75.11.3108","is_oa":false,"landing_page_url":"https://doi.org/10.5370/kiee.2026.75.11.3108","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/A5103328218","display_name":"Ja\u2010Young Koo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ja-Young Koo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014379089","display_name":"Jun-Ho Kwak","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jun-Ho Kwak","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5060511350","display_name":"Hee-Dong Kim","orcid":"https://orcid.org/0000-0002-7467-9517","observed_orcids":["https://orcid.org/0000-0002-7467-9517"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hee-Dong Kim","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":"3108","last_page":"3115"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10511","display_name":"High voltage insulation and dielectric phenomena","score":0.7437000274658203,"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/T10511","display_name":"High voltage insulation and dielectric phenomena","score":0.7437000274658203,"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/T11343","display_name":"Power Transformer Diagnostics and Insulation","score":0.23729999363422394,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.006899999920278788,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/high-voltage-induction-motor","display_name":"high-voltage induction motor","score":0.8700000047683716},{"id":"https://openalex.org/keywords/stator-winding-insulation","display_name":"stator winding insulation","score":0.8989999890327454},{"id":"https://openalex.org/keywords/moisture-ingress","display_name":"moisture ingress","score":0.7929999828338623},{"id":"https://openalex.org/keywords/insulation-degradation","display_name":"insulation degradation","score":0.7839999794960022},{"id":"https://openalex.org/keywords/loss-tangent","display_name":"loss tangent","score":0.9269999861717224},{"id":"https://openalex.org/keywords/partial-discharge","display_name":"partial discharge","score":0.9810000061988831},{"id":"https://openalex.org/keywords/insulation-resistance","display_name":"insulation resistance","score":0.8069999814033508},{"id":"https://openalex.org/keywords/capacitance","display_name":"capacitance","score":0.5870000123977661},{"id":"https://openalex.org/keywords/hot-air-drying","display_name":"hot air drying","score":0.7049999833106995},{"id":"https://openalex.org/keywords/motor-maintenance","display_name":"motor maintenance","score":0.4909999966621399},{"id":"https://openalex.org/keywords/asset-management","display_name":"asset management","score":0.5519999861717224}],"concepts":[{"id":"https://openalex.org/C2776529397","wikidata":"https://www.wikidata.org/wiki/Q190312","display_name":"Stator","level":2,"score":0.6412000060081482},{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.5756000280380249},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5590000152587891},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.38760000467300415},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.35420000553131104},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.34380000829696655},{"id":"https://openalex.org/C80962145","wikidata":"https://www.wikidata.org/wiki/Q207450","display_name":"Induction motor","level":3,"score":0.2822999954223633},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2800000011920929},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.2793999910354614},{"id":"https://openalex.org/C159442368","wikidata":"https://www.wikidata.org/wiki/Q7197239","display_name":"Pipe insulation","level":5,"score":0.26170000433921814}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5370/kiee.2026.75.11.3108","doi":"https://doi.org/10.5370/kiee.2026.75.11.3108","is_oa":false,"landing_page_url":"https://doi.org/10.5370/kiee.2026.75.11.3108","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/7","score":0.75,"display_name":"Affordable and clean energy"},{"id":"https://metadata.un.org/sdg/9","score":0.428600013256073,"display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3028365789","https://openalex.org/W2235465909","https://openalex.org/W2337276054","https://openalex.org/W7214560359","https://openalex.org/W2997093198","https://openalex.org/W2002545667","https://openalex.org/W652618271","https://openalex.org/W3021272654","https://openalex.org/W2900972767","https://openalex.org/W3048087469"],"abstract_inverted_index":{"When":[0],"a":[1,45,58,87],"high-voltage":[2],"(HV)":[3],"induction":[4],"motor":[5,81,91,134,173],"is":[6,53],"disassembled":[7],"for":[8,65,171],"stator":[9,68],"winding":[10,18],"maintenance,":[11],"moisture":[12,162],"ingress":[13],"frequently":[14],"occurs":[15],"on":[16],"the":[17,41,50,132,148],"surfaces":[19],"due":[20],"to":[21,40,128],"rapid":[22],"ambient":[23],"humidity":[24],"changes.":[25],"Although":[26],"operational":[27],"practices":[28],"involve":[29],"hot-air":[30],"drying":[31],"followed":[32],"by":[33],"insulation":[34,62,166],"resistance":[35],"and":[36,73,86,102,139,153,164],"diagnostic":[37,63],"tests":[38],"up":[39],"rated":[42],"AC":[43,96],"voltage,":[44],"detailed":[46],"comparative":[47,59],"analysis":[48,60,150],"regarding":[49],"degradation":[51],"stage":[52],"required.":[54],"This":[55],"paper":[56],"presents":[57],"of":[61,151],"parameters":[64],"two":[66],"distinct":[67,140],"windings":[69],"under":[70,124],"both":[71,119],"dry":[72,130],"moisture-absorbed":[74,125],"conditions":[75,126],":":[76],"an":[77],"aged":[78,133],"18-year-old":[79],"HV":[80,90,172],"(336":[82],"kW,":[83,93],"4.0":[84],"kV)":[85],"newly":[88],"manufactured":[89],"(1,000":[92],"6.6":[94],"kV).":[95],"current,":[97],"dissipation":[98],"factor":[99],"(tan\u03b4),":[100],"capacitance,":[101],"partial":[103],"discharge":[104],"(PD)":[105],"magnitudes":[106],"were":[107],"measured":[108],"with":[109],"increasing":[110],"applied":[111],"voltage.":[112],"The":[113],"experimental":[114],"results":[115],"reveal":[116],"that":[117,147],"while":[118],"motors":[120],"exhibit":[121],"elevated":[122],"values":[123],"compared":[127],"their":[129],"baselines,":[131],"shows":[135],"significantly":[136],"higher":[137],"sensitivity":[138],"PD":[141,154],"phase":[142],"patterns.":[143],"These":[144],"findings":[145],"demonstrate":[146],"combined":[149],"tan\u03b4":[152],"characteristics":[155],"can":[156],"effectively":[157],"distinguish":[158],"between":[159],"transient":[160],"environmental":[161],"absorption":[163],"permanent":[165],"degradation,":[167],"providing":[168],"critical":[169],"indicators":[170],"asset":[174],"management.":[175]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-09T00:00:00"}
