{"id":"https://openalex.org/W2139805557","doi":"https://doi.org/10.1109/iseim.2001.973736","title":"A study of partial discharge acoustic signal propagation in a model transformer","display_name":"A study of partial discharge acoustic signal propagation in a model transformer","publication_year":2002,"publication_date":"2002-11-13","ids":{"openalex":"https://openalex.org/W2139805557","doi":"https://doi.org/10.1109/iseim.2001.973736","mag":"2139805557"},"language":"en","primary_location":{"id":"doi:10.1109/iseim.2001.973736","doi":"https://doi.org/10.1109/iseim.2001.973736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iseim.2001.973736","pdf_url":null,"source":{"id":"https://openalex.org/S7407087140","display_name":"International Symposium on Electrical Insulating Materials (ISEIM)","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of 2001 International Symposium on Electrical Insulating Materials (ISEIM 2001). 2001 Asian Conference on Electrical Insulating Diagnosis (ACEID 2001). 33rd Symposium on Electrical and Electronic Insulating Materials and Applications in System","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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/A5088510753","display_name":"Aloys Oriedi Akumu","orcid":"https://orcid.org/0000-0002-0818-6802","observed_orcids":["https://orcid.org/0000-0002-0818-6802"]},"institutions":[{"id":"https://openalex.org/I26805570","display_name":"Jomo Kenyatta University of Agriculture and Technology","ror":"https://ror.org/015h5sy57","country_code":"KE","type":"education","lineage":["https://openalex.org/I26805570"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"A.O. Akumu","raw_affiliation_strings":["Jomo Kenyatta University College of Agriculture and Technology, Nairobi, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jomo Kenyatta University College of Agriculture and Technology, Nairobi, Kenya","institution_ids":["https://openalex.org/I26805570"]}]},{"author_position":"middle","author":{"id":null,"display_name":"N. Kawaguchi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43545212","display_name":"Ehime University","ror":"https://ror.org/017hkng22","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"N. Kawaguchi","raw_affiliation_strings":["Ehime University, Ehime, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ehime University, Ehime, Japan","institution_ids":["https://openalex.org/I43545212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053932692","display_name":"Ryotaro Ozaki","orcid":"https://orcid.org/0000-0002-0744-3053","observed_orcids":["https://orcid.org/0000-0002-0744-3053"]},"institutions":[{"id":"https://openalex.org/I43545212","display_name":"Ehime University","ror":"https://ror.org/017hkng22","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"R. Ozaki","raw_affiliation_strings":["Ehime University, Ehime, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ehime University, Ehime, Japan","institution_ids":["https://openalex.org/I43545212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049621681","display_name":"Haruo Ihori","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43545212","display_name":"Ehime University","ror":"https://ror.org/017hkng22","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Ihori","raw_affiliation_strings":["Ehime University, Ehime, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ehime University, Ehime, Japan","institution_ids":["https://openalex.org/I43545212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108200990","display_name":"M. Fujii","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43545212","display_name":"Ehime University","ror":"https://ror.org/017hkng22","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Fujii","raw_affiliation_strings":["Ehime University, Ehime, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ehime University, Ehime, Japan","institution_ids":["https://openalex.org/I43545212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113781655","display_name":"K. Arii","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I43545212","display_name":"Ehime University","ror":"https://ror.org/017hkng22","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Arii","raw_affiliation_strings":["Ehime University, Ehime, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ehime University, Ehime, Japan","institution_ids":["https://openalex.org/I43545212"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.37144598,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"64","issue":null,"first_page":"583","last_page":"586"},"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":0.6068999767303467,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"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":0.6068999767303467,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11343","display_name":"Power Transformer Diagnostics and Insulation","score":0.3440000116825104,"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.01360000018030405,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/partial-discharge","display_name":"partial discharge","score":0.9980000257492065},{"id":"https://openalex.org/keywords/acoustic-signal-propagation","display_name":"acoustic signal propagation","score":0.9100000262260437},{"id":"https://openalex.org/keywords/transformer","display_name":"transformer models","score":0.5090000033378601},{"id":"https://openalex.org/keywords/source-location","display_name":"source location","score":0.5270000100135803},{"id":"https://openalex.org/keywords/acoustic-emission-sensors","display_name":"acoustic emission sensors","score":0.8650000095367432},{"id":"https://openalex.org/keywords/3d-simulation","display_name":"three-dimensional simulation","score":0.8679999709129333},{"id":"https://openalex.org/keywords/transformer-tank","display_name":"transformer tank","score":0.7960000038146973},{"id":"https://openalex.org/keywords/acoustic-coupling","display_name":"acoustic coupling","score":0.7620000243186951},{"id":"https://openalex.org/keywords/propagation-speed","display_name":"propagation velocity","score":0.8859999775886536}],"concepts":[{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.718662679195404},{"id":"https://openalex.org/C174598085","wikidata":"https://www.wikidata.org/wiki/Q746673","display_name":"Acoustic emission","level":2,"score":0.7150331735610962},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.694250226020813},{"id":"https://openalex.org/C130143024","wikidata":"https://www.wikidata.org/wiki/Q1929972","display_name":"Partial discharge","level":3,"score":0.6711523532867432},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.5875881910324097},{"id":"https://openalex.org/C181335627","wikidata":"https://www.wikidata.org/wiki/Q901418","display_name":"Transformer oil","level":4,"score":0.46471795439720154},{"id":"https://openalex.org/C66882249","wikidata":"https://www.wikidata.org/wiki/Q169336","display_name":"Homogeneous","level":2,"score":0.45741647481918335},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4315636157989502},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33964604139328003},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.312309205532074},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3110077977180481},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2323344647884369},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.15517809987068176},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iseim.2001.973736","doi":"https://doi.org/10.1109/iseim.2001.973736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iseim.2001.973736","pdf_url":null,"source":{"id":"https://openalex.org/S7407087140","display_name":"International Symposium on Electrical Insulating Materials (ISEIM)","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of 2001 International Symposium on Electrical Insulating Materials (ISEIM 2001). 2001 Asian Conference on Electrical Insulating Diagnosis (ACEID 2001). 33rd Symposium on Electrical and Electronic Insulating Materials and Applications in System","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"score":0.5299999713897705,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2010592405","https://openalex.org/W2106307587","https://openalex.org/W2170120409"],"related_works":["https://openalex.org/W2543363412","https://openalex.org/W108641949","https://openalex.org/W7093085319","https://openalex.org/W2952690766","https://openalex.org/W2106448693","https://openalex.org/W2090276941","https://openalex.org/W2111697438","https://openalex.org/W4407576217","https://openalex.org/W4400876607","https://openalex.org/W2097862517"],"abstract_inverted_index":{"Many":[0],"researchers":[1],"have":[2,20],"studied":[3,90],"the":[4,22,30,35,42,50,61,75,78,81,86,96,117,129,134],"partial":[5],"discharge":[6],"(PD)":[7],"source":[8,136],"location":[9,31],"in":[10,56,68,115],"transformers":[11],"using":[12],"acoustical":[13],"methods.":[14],"However,":[15],"most":[16],"of":[17,32,49,80,94],"these":[18],"studies":[19],"treated":[21],"transformer":[23,36,83,123],"as":[24],"a":[25,45],"homogeneous":[26],"medium,":[27],"thus":[28],"rendering":[29],"discharges":[33],"inside":[34],"winding":[37],"difficult.":[38],"In":[39],"this":[40],"paper,":[41],"authors":[43],"present":[44],"3-D":[46],"computer":[47,65],"simulation":[48,66],"PD":[51,62,135],"acoustic":[52,87,107,118],"signal":[53,88,100],"propagation":[54,130],"path":[55],"an":[57,92,106],"attempt":[58],"to":[59],"locate":[60],"source.":[63],"The":[64],"is":[67,89,112],"agreement":[69],"with":[70,91],"experimental":[71],"data":[72],"obtained":[73],"from":[74],"laboratory.":[76],"Further,":[77],"effect":[79],"real":[82],"tank":[84,124],"on":[85],"aim":[93],"distinguishing":[95],"various":[97],"frequency":[98],"dependent":[99],"components":[101],"that":[102],"are":[103],"detected":[104],"by":[105],"emission":[108],"(AE)":[109],"sensor.":[110],"This":[111],"particularly":[113],"important":[114],"explaining":[116],"coupling":[119],"between":[120],"oil":[121],"and":[122,126],"material":[125],"for":[127],"determining":[128,133],"velocities":[131],"when":[132],"location.":[137]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-26T11:51:55.731654","created_date":"2016-06-24T00:00:00"}