基于諧波分析的高速電主軸電機(jī)設(shè)計(jì)方法研究.pdf

1、湖南大學(xué)碩士學(xué)位論文基于諧波分析的高速電主軸電機(jī)設(shè)計(jì)方法研究姓名：王文華申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械制造及其自動(dòng)化指導(dǎo)教師：熊萬(wàn)里20090510碩士學(xué)位論文AbstractHigh—speedmachiningisatechnology，whichisrepresentingthedevelopmenttrendofmodernmanufacturingItnotonlyhashighefficiencybutalsocanimpro

2、vesthemachiningprecisionandsurfacequalitysignificantlyTherefore，itcanrealizeshighefficiencyandprecisionmachiningforthedifficulttomachinematerialsandthepartsofparenchymaHighspeedmachineistheequipmentfoundationofhighspeedm

3、achiningThemotorizedspindleisthecorecomponentofhigh—speedmachineToalargeextent，theperformanceandtechnologylevelofthehigh—speedmachinearedependingontheperformanceofthemotorizedspindleBecausethemotorizedspindleissuppliedby

4、invertertheactualperformanceischanginggreatlycomparedwiththeperformanceofthemotorsuppliedbysinusoidalvoltageSoitisnecessarytesearchthedesignmethodofthehighspeedmotorizedspindledeeplyOnthebasisoftheanalysisofSPWM(Sinusoid

5、alPulseWiathModulation)modulationprinciple，theeffectofharmonicsontheefficiency，powerfactorandelectromagnetictorqueofmotorizedspingdleisstudieddeeplyTheresearchshowsthatthehighorderharmonicsareanimportantfactorwhichmakest

6、hesteadyperformancedrop，suchastheefficiency，powerfactorandelectromagnetictorqueOnthebasisoftheeffectofhigh—orderharmoniccurrentsonthemotorizedspindle，aelectromagneticdesignproceduresisdevelopedforcalculatingthesteadyperf

7、ormanceThen，thequantitativeanalysisoftheeffectofelectromagneticparametersontheefficiency，powerfactorandelectromagnetictorqueiscarriedoutApracticalexampleshows，whentheeffectofhigh—orderharmoniccurrentsisconsideredfullythe

8、designmethodforhihg—speedmotorizedspindleismoreaccuratelyandmorereasonable，comparedtothedesignmethodfortheordinarymotorssuppliedbysinusoidalvoltageThegeneralelectromagneticdesignmethodforhighspeedmotorsisonlyreflectingst

9、eadyperformancebutnotrefrectingthedynamicperformanceAccordingtothedeficiencies，amathematicalmodeliSestablishedincludingamotoraninverterandloadsOnthebasisofthemodel，asimulationprocedureforcalculatingthedynamicperformancei

10、sdeveloped，whichisusedtostudydifferentdesignsolutionsofamotorizedspindleparativelywhichinvolvewindingpitch，windingtypeandrotorslotshapeTheeffectofdesignparametersonthedynamicperformanceofthemotorisanalyzed，especiallyfort