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ID:40022343
大小:345.91 KB
页数:4页
时间:2019-07-17
《3D ELECTROMAGNETIC MODEL OF A FULL SUPERCONDUCTING GENERATOR》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、1398IEEETRANSACTIONSONMAGNEXICS,VOL.28,N0.2,MARCH19923DELECTROMAGNETICMODELOFAFULLSUPERCONDUCTINGGENERATORP.G.THEROND-0.MOREAU-C.KENYELECTRICITEDEFRANCEDIRECTIONDESETUDESETRECHERCHESServiceMatdrielElectrique1AvenueduGCndraldeGaulle92141CLAMARTCEDEX-F
2、RANCEABSTRACTThegeneralstructureofthemachineisgivenonFigure1.Figure2givestypicalwindinggeometriesandTable1givesthe2heaimofthispaperisathreedimensionnalelectromagneticmaindimensions.Basicallytheelectromagneticproblemmodelizationofafullsuperconductingg
3、enerator.Inafirstreducestoaonephase(fieldwinding)andathreephasedstage,magneticfieldcalculationsbytwodiyerentmethods(armaturewinding)saddleshapedwindingsinteractingwitha(analyticalandfiniteelement)aregivenforasinglewindinghighlypermeableironcore.Tosol
4、vethisproblem,thesuroundedbyanironcore.Theresultsarecomparedbetweenfollowingprocedurehasbeenfollowed.Inafirststage,wethetwomethodsandwithexperimentalresults.Inasecondperformedanelectromagneticmodelizationofasinglesaddlestage,resultsaregivenforafullge
5、neratorinstadystate,inshapewindingsurroundedbyanironcore.Theresultshavetennsofcharacteristicreactancesofthemachineandmagneticbeenverifiedbyacomparisonbetweentwocalculationmethodsfieldsintheendregion.andwithexperimentaldatas[5].Inasecondstage,thecurre
6、ntsinthedifferentwindingsarecalculatedforagivenstate.Atthe1.INTRODUCTIONend,the3Delectromagneticmodelizationofthefullmacheatsteadystateisperformed.bThefirstdesignsof50/60Hzsuperconductingwireswithreasonablelosses113[2]extendedtherangeofeventualapplic
7、ationsofsuperconductingmaterialstopowerengineering.Fullsuperconductinggenerators[3][4]usingbothasuperconductingfieldandarmaturewindingcouldbeoneoftheseapplications.,mognrticcircuitb.rlrclromagnrticshirtdWinduq:TypicalsaddleshapedwindingsI2.MAGNETICFI
8、ELDPRODUCEDBYASINGLESADDLESHAPEDWINDINGSURROUNDEDBYANshieldsuperconductingfieldwindingIb)andfullsuperconductingIRONCOREgenerator(IC)(takenfrom131).TwomethodswereusedforthedeterminationofthefieldAcorrectelectromagneticmodelizationofsuchamachineisprodu
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