{"id":"https://openalex.org/W2183170481","doi":null,"title":"Recent endwinding vibration problems in air-cooled turbine generators","display_name":"Recent endwinding vibration problems in air-cooled turbine generators","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W2183170481","mag":"2183170481"},"language":"en","primary_location":{"id":"mag:2183170481","doi":null,"is_oa":false,"landing_page_url":"http://irispower.com/upload/papers/recent endwinding vibration problems in air-cooled turbine generators -cigre a1_201_2014 - ew vib -final.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5033262090","display_name":"J. Kapler","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Kapler","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080572244","display_name":"John Letal","orcid":"https://orcid.org/0000-0003-0159-4763","observed_orcids":["https://orcid.org/0000-0003-0159-4763"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"John Letal","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-0159-4763","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110588437","display_name":"M. \u0160a\u0161i\u0107","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. \u0160a\u0161i\u0107","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061093423","display_name":"Greg C. Stone","orcid":"https://orcid.org/0000-0002-4945-8114","observed_orcids":["https://orcid.org/0000-0002-4945-8114"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G.C. Stone","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4945-8114","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5003700481","display_name":"Iris Power","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Iris Power","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":0.5178,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.69098742,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.7567999958992004,"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":0.7567999958992004,"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":0.14890000224113464,"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"}},{"id":"https://openalex.org/T10305","display_name":"Power System Optimization and Stability","score":0.011099999770522118,"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/resonance","display_name":"resonance","score":0.6809999942779541},{"id":"https://openalex.org/keywords/natural-frequencies","display_name":"natural frequencies","score":0.5699999928474426},{"id":"https://openalex.org/keywords/impact-testing","display_name":"impact testing","score":0.8500000238418579},{"id":"https://openalex.org/keywords/vibration-monitoring","display_name":"vibration monitoring","score":0.7540000081062317},{"id":"https://openalex.org/keywords/power-system-transients","display_name":"power system transients","score":0.6990000009536743},{"id":"https://openalex.org/keywords/gas-turbine-power-plant","display_name":"gas turbine power plant","score":0.5879999995231628},{"id":"https://openalex.org/keywords/combined-cycle-power-plant","display_name":"combined cycle power plant","score":0.7649999856948853}],"concepts":[{"id":"https://openalex.org/C2776529397","wikidata":"https://www.wikidata.org/wiki/Q190312","display_name":"Stator","level":2,"score":0.8730973601341248},{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.6848610043525696},{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.589631199836731},{"id":"https://openalex.org/C78736273","wikidata":"https://www.wikidata.org/wiki/Q946764","display_name":"Natural frequency","level":3,"score":0.5213721394538879},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.5146006345748901},{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.5068469643592834},{"id":"https://openalex.org/C2780992000","wikidata":"https://www.wikidata.org/wiki/Q17016113","display_name":"Generator (circuit theory)","level":3,"score":0.4982030391693115},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.49305459856987},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.45915713906288147},{"id":"https://openalex.org/C2778449969","wikidata":"https://www.wikidata.org/wiki/Q130760","display_name":"Turbine","level":2,"score":0.45354217290878296},{"id":"https://openalex.org/C133118237","wikidata":"https://www.wikidata.org/wiki/Q131502","display_name":"Electric generator","level":3,"score":0.44017454981803894},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4310040771961212},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.3649612069129944},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.344399094581604},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.31502148509025574},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24009639024734497},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","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":"mag:2183170481","doi":null,"is_oa":false,"landing_page_url":"http://irispower.com/upload/papers/recent endwinding vibration problems in air-cooled turbine generators -cigre a1_201_2014 - ew vib -final.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5378999710083008,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1998688645","https://openalex.org/W2044565003","https://openalex.org/W2137371483","https://openalex.org/W2506580684","https://openalex.org/W2536578241"],"related_works":["https://openalex.org/W2137371483","https://openalex.org/W2334795389","https://openalex.org/W2186962398","https://openalex.org/W2149159022","https://openalex.org/W2392649680","https://openalex.org/W2382220797","https://openalex.org/W2063736105","https://openalex.org/W2152460034","https://openalex.org/W2956151245","https://openalex.org/W2015099294"],"abstract_inverted_index":{"SUMMARY":[0],"The":[1],"endwinding":[2,69,111,123,126,216,276,311],"region":[3],"of":[4,12,17,79,91,110,121,188,250,268,279,304,326],"large":[5,302,356],"turbine":[6,345],"generator":[7,19,357],"stator":[8,45,93,190],"windings":[9],"is":[10,256,267,272,363],"one":[11],"the":[13,27,41,44,54,65,68,77,89,92,115,122,125,137,140,150,186,200,215,229,251,275,281,298,327],"most":[14,204,235,355],"complex":[15],"parts":[16],"a":[18,107,119,129,132,146,161,172,189,243,301],"to":[20,31,40,76,87,136,163,184,198,206,237,247,287,310,322,330,376],"design":[21,380],"and":[22,56,82,149,168,381],"fabricate.":[23],"During":[24,61],"normal":[25],"operation,":[26],"endwindings":[28,328],"are":[29,99,203],"subject":[30],"high":[32,80],"mechanical":[33,50],"forces":[34,51,66,98],"at":[35,58,233],"twice":[36],"power":[37,62],"frequency":[38,134,253],"due":[39,309,329],"currents":[42],"in":[43,67,106,145,214,297,343,369],"bars,":[46],"as":[47,49,128],"well":[48],"transmitted":[52],"via":[53],"core":[55],"bearings":[57],"rotational":[59],"speed.":[60],"system":[63,278],"transients,":[64],"can":[70,152,179,194,219,284],"be":[71,144,153,182,196,220,231,285,373],"100":[72],"times":[73],"higher.":[74],"Due":[75],"presence":[78],"magnetic":[81],"electric":[83],"fields,":[84],"metallic":[85],"components":[86],"restrain":[88],"movement":[90],"bars":[94],"caused":[95],"by":[96],"these":[97,165],"normally":[100],"avoided.":[101],"This":[102],"constraint":[103],"has":[104,131,158],"resulted":[105],"wide":[108,244],"variety":[109],"support":[112,277],"structures":[113],"from":[114],"various":[116],"manufacturers.":[117],"If":[118],"component":[120],"or":[124,290,346,352],"basket":[127],"whole":[130],"natural":[133,166],"close":[135],"forcing":[138,374],"frequencies,":[139],"vibration":[141,261],"response":[142],"will":[143],"resonance":[147],"condition":[148,174,187],"result":[151],"catastrophic.":[154],"Off-line":[155],"impact":[156],"testing":[157,181],"long":[159],"been":[160,317,335,360],"tool":[162],"identify":[164,199],"frequencies":[167],"help":[169],"determine":[170],"if":[171],"resonant":[173],"may":[175,372],"exist.":[176],"Not":[177],"only":[178,227],"this":[180],"used":[183,197],"assess":[185],"endwinding,":[191],"but":[192,239],"it":[193,271],"also":[195],"locations":[201,234],"that":[202,274,365],"likely":[205,236],"vibrate.":[207],"To":[208,222,350],"avoid":[209],"premature":[210,324],"failure,":[211],"excessive":[212,295],"motion":[213],"during":[217,319],"operation":[218],"monitored.":[221],"effectively":[223],"do":[224],"so,":[225],"not":[226],"should":[228,241],"sensors":[230],"installed":[232,342],"vibrate,":[238],"they":[240],"cover":[242],"enough":[245],"range":[246],"capture":[248],"all":[249],"vibrating":[252],"components.":[254],"There":[255],"little":[257],"guidance":[258],"on":[259,378],"acceptable":[260],"levels,":[262],"so":[263],"an":[264],"increasing":[265],"trend":[266],"concern.":[269],"Although":[270],"clear":[273],"even":[280],"largest":[282],"generators":[283],"designed":[286],"achieve":[288],"30":[289],"more":[291,314],"years":[292],"service":[293],"without":[294],"loosening,":[296],"past":[299],"decade":[300],"number":[303],"in-service":[305],"faults":[306],"have":[307,316,323,334,359],"occurred":[308],"vibration.":[312],"Even":[313],"machines":[315,340],"discovered":[318],"visual":[320],"inspections":[321],"deterioration":[325],"looseness.":[331],"These":[332],"problems":[333],"primarily":[336],"associated":[337],"with":[338],"air-cooled":[339],"typically":[341],"gas":[344],"combined":[347],"cycle":[348],"plants.":[349],"greater":[351],"lesser":[353],"degrees,":[354],"manufacturers":[358,375],"affected.":[361],"It":[362],"suspected":[364],"competitive":[366],"issues":[367],"(and":[368],"particular":[370],"cost)":[371],"compromise":[377],"proven":[379],"manufacturing":[382],"methods.":[383]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
