{"id":"https://openalex.org/W2116355201","doi":"https://doi.org/10.1109/tmag.2009.2024159","title":"Effect of Eddy Current Loss Reduction by Segmentation of Magnets in Synchronous Motors: Difference Between Interior and Surface Types","display_name":"Effect of Eddy Current Loss Reduction by Segmentation of Magnets in Synchronous Motors: Difference Between Interior and Surface Types","publication_year":2009,"publication_date":"2009-09-25","ids":{"openalex":"https://openalex.org/W2116355201","doi":"https://doi.org/10.1109/tmag.2009.2024159","mag":"2116355201"},"language":"en","primary_location":{"id":"doi:10.1109/tmag.2009.2024159","doi":"https://doi.org/10.1109/tmag.2009.2024159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmag.2009.2024159","pdf_url":null,"source":{"id":"https://openalex.org/S50523690","display_name":"IEEE Transactions on Magnetics","issn_l":"0018-9464","issn":["0018-9464","1941-0069"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320755","host_organization_name":"IEEE Magnetics Society","host_organization_lineage":["https://openalex.org/P4310320755","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Magnetics Society","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 Magnetics","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/A5063213159","display_name":"Katsumi Yamazaki","orcid":"https://orcid.org/0000-0002-2216-0262","observed_orcids":["https://orcid.org/0000-0002-2216-0262"]},"institutions":[{"id":"https://openalex.org/I8488066","display_name":"Chiba Institute of Technology","ror":"https://ror.org/00qwnam72","country_code":"JP","type":"education","lineage":["https://openalex.org/I8488066"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Yamazaki","raw_affiliation_strings":["Chiba Institute of Technology, Narashino, Chiba, Japan","\u2225Chiba Institute of Technology, Narashino, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chiba Institute of Technology, Narashino, Chiba, Japan","institution_ids":["https://openalex.org/I8488066"]},{"raw_affiliation_string":"\u2225Chiba Institute of Technology, Narashino, Japan","institution_ids":["https://openalex.org/I8488066"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029527960","display_name":"M. Shina","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I8488066","display_name":"Chiba Institute of Technology","ror":"https://ror.org/00qwnam72","country_code":"JP","type":"education","lineage":["https://openalex.org/I8488066"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Shina","raw_affiliation_strings":["Chiba Institute of Technology, Narashino, Chiba, Japan","\u2225Chiba Institute of Technology, Narashino, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chiba Institute of Technology, Narashino, Chiba, Japan","institution_ids":["https://openalex.org/I8488066"]},{"raw_affiliation_string":"\u2225Chiba Institute of Technology, Narashino, Japan","institution_ids":["https://openalex.org/I8488066"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068554344","display_name":"Yuji Kanou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I8488066","display_name":"Chiba Institute of Technology","ror":"https://ror.org/00qwnam72","country_code":"JP","type":"education","lineage":["https://openalex.org/I8488066"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Kanou","raw_affiliation_strings":["Chiba Institute of Technology, Narashino, Chiba, Japan","\u2225Chiba Institute of Technology, Narashino, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chiba Institute of Technology, Narashino, Chiba, Japan","institution_ids":["https://openalex.org/I8488066"]},{"raw_affiliation_string":"\u2225Chiba Institute of Technology, Narashino, Japan","institution_ids":["https://openalex.org/I8488066"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113692368","display_name":"Masahiro Miwa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I181679074","display_name":"TDK (Japan)","ror":"https://ror.org/00ker7c87","country_code":"JP","type":"company","lineage":["https://openalex.org/I181679074"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Miwa","raw_affiliation_strings":["TDK Corporation, Ichikawa, Chiba, Japan","TDK Corp., Ichikawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TDK Corporation, Ichikawa, Chiba, Japan","institution_ids":["https://openalex.org/I181679074"]},{"raw_affiliation_string":"TDK Corp., Ichikawa, Japan","institution_ids":["https://openalex.org/I181679074"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068612852","display_name":"Jun Hagiwara","orcid":"https://orcid.org/0009-0004-3964-4492","observed_orcids":["https://orcid.org/0009-0004-3964-4492"]},"institutions":[{"id":"https://openalex.org/I181679074","display_name":"TDK (Japan)","ror":"https://ror.org/00ker7c87","country_code":"JP","type":"company","lineage":["https://openalex.org/I181679074"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"J. Hagiwara","raw_affiliation_strings":["TDK Corporation, Ichikawa, Chiba, Japan","TDK Corp., Ichikawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TDK Corporation, Ichikawa, Chiba, Japan","institution_ids":["https://openalex.org/I181679074"]},{"raw_affiliation_string":"TDK Corp., Ichikawa, Japan","institution_ids":["https://openalex.org/I181679074"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":7.2173,"has_fulltext":false,"cited_by_count":116,"citation_normalized_percentile":{"value":0.97357718,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"45","issue":"10","first_page":"4756","last_page":"4759"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.9984999895095825,"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/T10278","display_name":"Electric Motor Design and Analysis","score":0.9984999895095825,"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":0.000699999975040555,"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"}},{"id":"https://openalex.org/T11782","display_name":"Magnetic Properties of Alloys","score":0.0005000000237487257,"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/eddy-current-loss","display_name":"eddy current loss","score":0.9660000205039978},{"id":"https://openalex.org/keywords/segmented-permanent-magnets","display_name":"segmented permanent magnets","score":0.7540000081062317},{"id":"https://openalex.org/keywords/rare-earth-permanent-magnets","display_name":"rare-earth permanent magnets","score":0.9509999752044678},{"id":"https://openalex.org/keywords/synchronous-motor","display_name":"synchronous motor","score":0.7789999842643738},{"id":"https://openalex.org/keywords/interior-permanent-magnet-synchronous-motor","display_name":"interior permanent magnet synchronous motor","score":0.9440000057220459},{"id":"https://openalex.org/keywords/surface-permanent-magnet-motor","display_name":"surface permanent magnet motor","score":0.9900000095367432},{"id":"https://openalex.org/keywords/reaction-field","display_name":"reaction field","score":0.7940000295639038}],"concepts":[{"id":"https://openalex.org/C131357438","wikidata":"https://www.wikidata.org/wiki/Q208598","display_name":"Eddy current","level":2,"score":0.8963748216629028},{"id":"https://openalex.org/C16389437","wikidata":"https://www.wikidata.org/wiki/Q11421","display_name":"Magnet","level":2,"score":0.8010534048080444},{"id":"https://openalex.org/C188414643","wikidata":"https://www.wikidata.org/wiki/Q3001183","display_name":"Harmonics","level":3,"score":0.7583072185516357},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.6143795251846313},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5465525984764099},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5265035033226013},{"id":"https://openalex.org/C11190779","wikidata":"https://www.wikidata.org/wiki/Q664575","display_name":"Inverter","level":3,"score":0.4564821720123291},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.45557230710983276},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.4551846385002136},{"id":"https://openalex.org/C131770355","wikidata":"https://www.wikidata.org/wiki/Q876215","display_name":"Harmonic analysis","level":2,"score":0.4480654001235962},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4463193714618683},{"id":"https://openalex.org/C201320609","wikidata":"https://www.wikidata.org/wiki/Q3274420","display_name":"Permanent magnet synchronous generator","level":3,"score":0.44443950057029724},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.4400617480278015},{"id":"https://openalex.org/C71376005","wikidata":"https://www.wikidata.org/wiki/Q845675","display_name":"Synchronous motor","level":2,"score":0.4327976703643799},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.4108026623725891},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4105578064918518},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.3586704134941101},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10735014081001282},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.10237258672714233},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08735918998718262},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.06650501489639282},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","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/tmag.2009.2024159","doi":"https://doi.org/10.1109/tmag.2009.2024159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmag.2009.2024159","pdf_url":null,"source":{"id":"https://openalex.org/S50523690","display_name":"IEEE Transactions on Magnetics","issn_l":"0018-9464","issn":["0018-9464","1941-0069"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320755","host_organization_name":"IEEE Magnetics Society","host_organization_lineage":["https://openalex.org/P4310320755","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Magnetics Society","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 Magnetics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2113237483","https://openalex.org/W2118753109","https://openalex.org/W2129511809","https://openalex.org/W2169289507","https://openalex.org/W4232893613","https://openalex.org/W4237308707"],"related_works":["https://openalex.org/W2030516208","https://openalex.org/W4310521325","https://openalex.org/W2129511809","https://openalex.org/W2172261355","https://openalex.org/W4390116944","https://openalex.org/W2136830321","https://openalex.org/W2127786984","https://openalex.org/W2597587031","https://openalex.org/W4385662838","https://openalex.org/W4408795233"],"abstract_inverted_index":{"In":[0],"this":[1],"study,":[2],"we":[3],"investigate":[4],"the":[5,26,29,34,40,46,50,57,74,83,89,95,99,103,107,111,114,127,138,141,145],"effect":[6,31,105],"of":[7,49,82,98,106,113,126],"eddy":[8,85,148],"current":[9,86],"loss":[10],"reduction":[11],"by":[12,23,39,94,137,144],"segmented":[13,108],"rare-earth":[14],"magnets":[15],"that":[16,44,80,102,125],"are":[17,54,92],"used":[18],"in":[19,28,70,88,110,140],"synchronous":[20],"motors":[21,91],"driven":[22],"inverters.":[24],"First,":[25],"difference":[27],"loss-reduction":[30,104],"due":[32],"to":[33,56,72,124],"rotor":[35],"shape":[36],"is":[37,67,78,122,134],"estimated":[38],"3-D":[41],"finite-element":[42],"analysis":[43],"considers":[45],"carrier":[47,96],"harmonics":[48,97],"inverter.":[51],"The":[52],"results":[53],"compared":[55,123],"theoretical":[58],"solution.":[59],"Next,":[60],"a":[61],"basic":[62],"experiment":[63],"using":[64],"magnet":[65,84,109,117,130],"specimens":[66],"carried":[68],"out":[69],"order":[71],"confirm":[73],"calculated":[75],"results.":[76],"It":[77],"clarified":[79],"most":[81],"losses":[87],"analyzed":[90],"caused":[93,136],"inverter":[100],"and":[101],"case":[112],"interior":[115],"permanent":[116,129],"motor":[118],"decreases":[119],"when":[120],"it":[121],"surface":[128],"motor.":[131],"This":[132],"phenomenon":[133],"mainly":[135],"increase":[139],"reaction":[142],"field":[143],"high-frequency":[146],"harmonic":[147],"currents.":[149]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":10}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}