繞組內(nèi)部非穩(wěn)態(tài)溫度場建模及其應(yīng)用.pdf

1、武漢理工大學(xué)碩士學(xué)位論文繞組內(nèi)部非穩(wěn)態(tài)溫度場建模及其應(yīng)用姓名：許亮申請學(xué)位級(jí)別：碩士專業(yè)：計(jì)算數(shù)學(xué)指導(dǎo)教師：周樹民20091101AbstractLotsofpartsinmotorsareconsistedbycoilwindingWhenelectronicequipmentsareworkinginnormal，temperatureoftheequipmentsandtheenvironmentwillincreasesigni

2、ficantlyTemperatureriseofmotorseffectsonmotorperformanceandvariousoperatingparameterThereforecalculatingandmonitoringaccuratelythetemperatureanddistributionisnecessaryforbothdesignandfaultdetectionanddiagnosisofmotorsAtp

3、resent，mostofthemethodsfortemperaturecalculatingofcoilwindingtendtoeithercalculatetheaveragetemperatureofthecoilwinding，orcalculateintricatelyandhighlydependentonthecomputerTheyareunabletodescriptethenon—steadystatetempe

4、raturefieldinwindingimemMaccuratelyThisarticletakeswindinginternalnonsteadystatetemperaturefield’Scalculationandanalysisasthebackground，throughestablishingheatconductionequationsunderdifferentconditions，stud姐ngtheapplica

5、tionofanalyticalmethodforthecorrespondingtheoreticalmodeltosolvetheinternaltemperaturefieldAndobtaintheexpectedresultsInthepaperresearchesincluding：1Researchontheprovidedpowerwindingtest，andestablisharealisticmathematica

6、lmodel；2Enlacewindingmodeltosimulatedifferentconditionsandchangesininternaltemperatureofwinding，andestablishmathematicalmodelsbasedonexperimental；3ObtainthecorrespondingtheoreticalthroughsolvingmathematicalmodelComparing

7、thetheoreticalcalculationresultsandexperimentalmeasurementresultsbymathematicalmodelingmethod，analysisthecauseoftheelTorTheexperimentresultsindia：Theoreticalmodelslargelyreflectthecharacteristicsandnatureoftheactualsitua

8、tionandCandescribewindinginternalnonsteadystatetemperaturefieldunderdifferentconditionsThereforethemodelCanbeabetterdescriptionoftheexperimentalphenomenaTherewillbetheoreticalsignificancefortherealtimemonitoringofinterna