從RMxprt到Maxwell一鍵有限元分析過(guò)程

1、從RMxprt到Maxwell一鍵有限元分析過(guò)程佟文明Ansoft軟件包括三個(gè)模塊：AnsoftRMxprt丄“路的方法計(jì)算模塊AnsoftMaxwell2D二維場(chǎng)計(jì)算模塊AnsoftMaxwell3D3三維場(chǎng)計(jì)算模塊路”的方法計(jì)算模塊?；陔姍C(jī)等效電路和磁路的設(shè)計(jì)理念來(lái)計(jì)算、仿真各種電機(jī)模型。優(yōu)點(diǎn)：建立模型簡(jiǎn)單快捷，可以利用該軟件通過(guò)輸入?yún)?shù)直接建立電機(jī)的二維或者三維電磁場(chǎng)計(jì)算模型，并且得到的二維場(chǎng)或者三維場(chǎng)有限元模型的材料屬性、邊界條件、激勵(lì)源、永磁體充磁、繞組分相均已完成，從而可以實(shí)現(xiàn)一鍵有限元操作。參數(shù)調(diào)整方便缺點(diǎn)：庫(kù)中模型類(lèi)型有限設(shè)計(jì)精度相對(duì)于有限元分析偏低AnsoftRMxprt包

2、含12類(lèi)電機(jī)。通常我們常用的是下圖方框中的兩種電機(jī)類(lèi)型。RMxprt電機(jī)模塊山分析12大類(lèi)*15種帀用電機(jī)，分別為：TlireePhaseInductionMotor（三相異步電動(dòng)機(jī)）SinglePhaseInductionMotor單相異步電動(dòng)機(jī)）ThreePhaseSyncliionousMachine（二相ii極11il步電L）BmslilessPemiaentMagnetDCMotor（永磁無(wú)刷fi流電制L）AdjustSpeedSyncluonoiisMachine（變頻永磁同步電機(jī)）PermanentMagnerDCMotor（普通永磁言流電動(dòng)申L）SwitchedReluctan

3、ceMotor（開(kāi)關(guān)磁陽(yáng)，電動(dòng)機(jī)LineStallPennanentMagnetSyncliroiioi巧MotorI|旭動(dòng)磁|dLUniversalMotor串極整流子電動(dòng)機(jī)）DCMachine（普通電勵(lì)磁百流電機(jī)）Claw-poleAlremator（爪極發(fā)電機(jī)）KTc電C1小1：Qelcscc/1*+t-4J-lZFEFl11r4iLl下圖為AnsoftRMxprt的界面。模型繪制命令項(xiàng)目管理器AnsoftIaxffell-rmxprtbldc810-RlxprtDesignl-Iachine-FileEditViewProjectMachineRMxprtToolsWindowHel童

4、巳爲(wèi)電鳥(niǎo)axma豈采苛國(guó)ProjectManager仝XFro.iectJPropertiesVariablesMiSiin和激勵(lì)源mib1de810-猱RMxprtDesignl(BrushlessPermanent-Magn+風(fēng)Machine+妙A(yù)nalysis-JIOptimetrics+圖ResultsDefinitionsr立模型NameV.UnitEvaluatedValue上x(chóng)mxprt-bldc810(C:/Documentsand*+SSettings/Administrator.D1544425CC794B5/My和12指定材料屬性4設(shè)定求解參數(shù)5后處理JIJ下圖為Anso

5、ftMaxwell2D操作界面。常用快捷按鈕：11ables視圖操作快捷按鈕模型繪制快捷按鈕模型材料快捷按鈕03BHJ匚Z00EU1U1TZ肌相對(duì)坐標(biāo)系快捷按鈕工程樹(shù)欄N：=JTihV：=J.ueUnitEvaluatmdValueProperties.ir厶i回IL1建模：繪圖菜單欄中，自上而下分別為繪制線段、繪制曲線、繪制圓弧和繪制函數(shù)曲線；繪制矩形面、繪制橢圓面、繪制圓面和繪制正多邊形面域；沿路徑掃描，插入已有模型；繪制面、繪制點(diǎn)；插入多段線等操作選項(xiàng)，最后灰色的按鈕是創(chuàng)建域，多用來(lái)繪制求解域等。利用AnsoftMaxwell自帶的建模工具，按照“點(diǎn)線面”的方式建模，注意事項(xiàng)如下：物體必

6、須封閉。物體之間可以完全包含，不可以交叉。物體邊的分段數(shù)不可太低。盡量避免過(guò)尖銳的物體，必要時(shí)要做鈍化處理另外，提到第三種建模方式，就是利用CAD軟件建好電機(jī)的定轉(zhuǎn)子模型，然后導(dǎo)入AnsoftMaxwell。該方法也是非常常用的建模方式，建模周期大大縮短。下面詳細(xì)分析利用RMxpt建立Maxwell2D有限元分析模型與靜態(tài)場(chǎng)、瞬態(tài)場(chǎng)計(jì)算過(guò)程：一、在Rmxprt中建立電磁場(chǎng)計(jì)算所需電機(jī)模型AnsoftMaxwell-Project2FileEditViewProjectToolsWindowHelpProject險(xiǎn)閭詐件RRbcprtD囲gn單擊RMxprt快捷創(chuàng)建一個(gè)項(xiàng)目日1Froject2*

7、由_Definiti口庇呂Froject|PropertiesN：=jTieValueUnitEvaluatmd.圖1創(chuàng)建一個(gè)Rmxprt工程毬AnsoftMaxwell-ProjectsFileEditViewProjectToolsWindowHelp色嗚抽電亀雪Xs國(guó)甯密ProjectManager日匝)Froject2*+|Definit.!Adjust-SpeedSynchronousMachine前BrushlessPermanent-MagnetDCMotor適Claw-PoleAlternatorjDCMachine邈GenericRotatingMachine洌心瓠III繃山

8、眺服1艦臨益Ferrndnent-MagnetDCMotorSingle-PhaseInductionMotorSwitchedReluctanceMotorFirojmet.(*Three-PhaseInductionMotor邈Three-FhaseNcm-SdlientSynchronousMachine：XiThree-PhaseSynchronousMachineUniversalMotorN：=jTieV：=lLueUnitEval口日te己32選擇電機(jī)類(lèi)別（異步起動(dòng)永4|_nr|卜VariableeProperties磁同步電機(jī)）F4水Global一MessagesTheappl

9、icationc口uli!adiii-seeofthiemachirlremodietiritutwd.:iTL：ifFileEditViewProjectMachineRMxprtToolsWindowHelpMaiihineFroject|PropertiesAnsoftMaxwell-Project2-RMxprtDesign3-Machin?-w-:=rFrojectL!：+：題EMxpirtDEmiI0色由.qSta+-ORot令Sha1爐Analys:I|-LptimetriResultE+IDefinitions0AnsoftMaxwell-PrajertZ-RMArtOesig

10、nl；-Fviarhine：roject2-RxpaDstgn3NTacnine藝AnscftMaxwell-Pri?iect2-RMxsrtDesiqi-：.-i|XQ|E|凰茲口2U胃曇上IB稼Q抵-Projects-曰4021FrojectS*jk白JSJXIxprtDesigp3(Line_S白MachirLH-jQStator_Qslot1Winding岸由也3RotorShaftAjL：=LlysisUp+imetrics區(qū)KesuitsrPM卜ProjmetN：jjTit：V:iliieUnitEvaluatOuterH.0mm0mm51輸入定子鐵心數(shù)據(jù)5m|Proper方出占占

11、擊V：iliieUnitEt：=lLu：=lt.OutErIIi：=jnetH-210mm210mmOutIruLerIIi：=unet電ir136nini136mmIrmatorth105mm105mmLenackingF：ctor0.95StaSteelTypeNumberofSlote11FileEditViewProjectMachineRMxprtToolsWindowHelp莎日|詰電念|冒|向杲普El1凰緞QiH胃輜已闞材書(shū)Q越FrProp黑Materi：15Materi：1FilterE卩號(hào)SelectDefinition-Se：=Lt_chF：=Lf：=uTieters建N：

12、=JT|HLocatitmOriginTypeRelati化FermeatilityBulkCoIIduetivityalujTiinuiTifrojectMa.terialeCorLiluctoir1.00002138000000siemens/malujTiitlujtiSyELiBr：=LryMaterialmCorLductor1.00002138000000siemens/m:dluiTiirniiTi_ECSysLibr：ryMateri：ilsConduetot1.00002136000000siemens/m:iluiTiirniiTi_rLO_ECSyELibr：=Lt_yM

13、宜七eri：1eConduetw1.00002133000000eiemens/mLerylliujTiSyiLibr：=Lt_yMaterialmCorLductor1.0000007925000000siemens/mbrassSysLibr：ryM:mteri：ilsConduetw115000000siemens/mbronle占擊添加材料ryMateri：15Condue110000000siemens/m鐵_八、L-L-l/JHzrJ/|fcastironrv心材料屬性（BH曲線）點(diǎn)擊上圖Materi：=l1zConductor60電tSteeUypeJ后面Value入圖15000

14、00siemens/m0.0001siemens/mCer：=jtiic8IlSyELibr：=Lt_yM宜七eri：1eMagnetBHCurve.0.0001siemenE/m圖1ew/EditM：qterialmAddMateri：=lLC1oneM：qteri：=lL(ejRemoveM：wteri：1(ejZxporttoLibr確定取消0AnsoftMaxwell-PrajertZ-RMArtOesignl；-Fviarhine：roject2-RxpaDstgn3NTacnine日ActiveDesign00ProptValidateMateriali/lTl圖8HD色(ftSQ

15、l需|a|ow：=l11Simple磁導(dǎo)率選擇非線性CoreLossTypeNoneRelativePecmeabilityNahlinearSimpleAnisotropicBulkConductivityMagneticCoercivityaluminum圖M創(chuàng)建鐵View/EditMaterialCer：=jtiicSIl心材料屬性可HieEditViewProjectMacne1RMxprtFool舌WindowHp題Q.Proj：SelectDefinitionSeaichMaterialNamedw470MaterialsMaterPropertiesofthehi已t已已1CBH

16、曲線）：=lLijitiinijiTi:iluiTiirniiTi_EC:iluiTiimiiTiitoTbr：eebronzec：遼Cer：=jtiic5NarneView/EditMaterialforThisProductAllProducts-View/EditModifierfor廠ThermalModifierValueUnitssiemens/mMassDensityA_per_meterw/mA3kg/m3View/EditMaterialforActiveDesignThisProductAllProductsView/EditModifierfor廠ThermalModif

17、ierValidateMaterial單擊BH曲線laterialNamedw470berylliijitiNarneTypeValueUnitsRelativePermeabilityNonlineariisisimsi1BulkConductivitySimple0$iemens.-,lmMagnetic匚匚i已rcivityVector-MagnitudeVectorMaq0A_per_meterCoreLossTypeNoneMassDensitySimple0kg/rrTMPropertiesoftheMaterialResetKCancel|CalculateProperties3

18、匚|0AnsoftMaxwell-PrajertZ-RMArtOesignl；-Fviarhine：roject2-RxpaDstgn3NTacnineBHCurveSwapX-YDataImportDataset.單擊導(dǎo)入數(shù)據(jù)并找到相應(yīng)如AddFlowAboveAddFlowBelowAppendRows,DeleteFlow$H(Aperrneter)B(tesla)10026.337000.0199333.312.476640.0394666.i10.221160.0532523.373120.0757333.627.7350.0916666.731.17406666666670.105

19、7333.S33.01673333333330.1132935.85420.1294666.ia37.47766666666670.1399333.11IAddRowBelow圖10導(dǎo)入BH曲線HB丨門(mén)怕rcepts1Units|A_per_meter二|teslaSwapX-YDataImportDataset.|tesla二|AnsoftMaxwell-Project2-RMxprtDesign3-Machine-Project2-RMxprtDesign33chineLeAnsoftMaxwell-Project2-RMxprtDesign3-Machine-Project2-RMxpr

20、tDesign33chineLe2FileEditViewProjectMachineRMxprtToolsWirdowH&lp|DH|E1|凰綬口歟倉(cāng)1ft上|闞冒I越Properties:Projects-RMxprtDesign3-NUserDehnedSlot-Machine-Project2-RMxprtDesignS-Machine-TProject2-RMxprtDesign；日Project2*AFlMxprtDeeiTl3(Line-S白Machine白qSt：=Ltor71SlotWinding由EotorL令ShaftjC3ArL：dlyEie-璋Optimetriceu

21、Resuits彳1-pprFProjectM日nagerProjtN：=JT|HV：=LlueUnitEvaluatOuterD.210mm21UrTirTiLJ魁6選擇的槽型136niniPropertiesN：EUT|HV：dlue匸iLLtdDi:dJTlHtd210InrLerDidieter136Length1105EtackingFactuirU.95SteelTypmdw470NumberufSiu36SlotTypm14SkewWidthLIPIP1ilFileEditViewProjectMachineRMxprtToolsWindowHelp日3Froject2*口RJhq

22、TtDezign3(LineS白Machine白匚iStatorL-7Jslot:Winding由J3RotorL“令Shaft-JArL：dlyEieh-|【Iptimm七小匚三JResultET-esign3-Machine-Project2-RMxprtDesign3-MachireSJHieEditViewProjectMachineRMxprtToolsWindowHelp-PropertiesoftheMaterialView/EditMaterialfor*ActiveDesign（注He為幅值）HpecperfectconductorJssrView/EditMaterial匚

23、mu亠WBESSSiMMdterialNamelNTF1.25SelectD&finitionMaterialsMa+erialFil+Se：=Lt_chp：dlladiPropertiesforIMagnet11-951000|Apermeter二|1|1.251994718.394324346|A_per_meter_J|1.04597097194989plntinuiTirhodiuiTi磁Br和矯頑力SmCo24駆AnsoftMaxwell-Projects-RMxprtDesign3-Machine-Project2-RMxprtDesign3-MachinelE駆AnsoftMax

24、well-Projects-RMxprtDesign3-Machine-Project2-RMxprtDesign3-MachinelEMachineFroject|EndRingWidthEnd（對(duì)于電動(dòng)機(jī)叫做起動(dòng)繞組）參數(shù)MxprtDesign-Machine-PnqJ&ct2-尺訥電rtDEsiqnE誦和chinm1片leEditViewProject林日thineR制cprtToolsWirdoiwHelp?!RleEditViewProjectMachineRMxprtToolsWindowHelpProjectMnnagerEFroject2*Properties圖19燼Ansof

25、tMaxell-Project2-Properties:IPrqject2-RMxprtDesign.3-Machine1234CastRotorEarCorLiiucTypmEndLengthEndRingCurLiluctraluiTiirmiTi30mm8rTim8rTimaluiTiirLUJTiPIPBsO4jL壓El；HslLHs2r.Rsn_JLQ|噩緇|冒|Xa|向杲竽回闞相I題Q述rrrrrrrN：EUT|HValiiEUnitEvaluateid.V.DescriptidtlHeU0.5mm0.5mmSlotdiniension:HeUHeUIUmmUrnrTiSIijtd

26、irnenzicm：HzOlHsl0mmLlmniSlotliirTiension：HslHe27.7mm7.TnimSlotdiniension:He2BeU2.5mm2.SrnrnSIijtdirnenzicm：BzOBsl5.2mm5.2mmSlotliirTiension：BslBe25.2mm5.2mmSlotdiniension:Be2ReUmmUrnrTiSIijtdirnenzicm：RzEt；mtur.i1SIut：BeImuetbepreatE廣than0.（7:49:13下牛四月19,2013）Rutur/Fule:Dimensiun02iet口ubie.（9：41：7下

27、牛四月迢2U13：lRuturi1Fule:Dimensicm01ietuusm:all.JJAnsoftMaxwell-Project2-RMxprtDesignS-Machine-Project2-RMxprtDesign3-IVcCiire町HitiEditVfewProject衲HhineRMxprtToolsWindowHelpProjectMwinagerFrojectProperties圖2啊存歹爲(wèi)也J1處點(diǎn)擊右鍵.加n.-IIChj切utFF；SLte1Oper：+1ngTHnipHra+u仝xRatedVolt：eJ求解設(shè)置Setupl，輸入功率、電壓、轉(zhuǎn)速和工作溫度辱Ans

28、oftMaxwell-Teaching_e.g.-RMxprtDesign3-Machine-TeacTiing_e.g.-尺M(jìn)xprtDesigin3-Machine-Solved凰轡口g嗎里i上令Shaft電CopyFro1ect.Variation:Qr+CCtir+VMachineLtaAijrRenameDeeteJJFileEditVi&wProjectMachinsRMxprtToolsWindowHelpProjectManagerWindingR-aZhRotorN：=uneV：=lLuhN：UT|hSe.Enabled扌|rrrPropertiesProperties.Di

29、sableSetupAnalyzeCreateQuickReport.計(jì)算模型DesignSheet.QCurve.圖23直接點(diǎn)擊OK,開(kāi)始創(chuàng)建電磁場(chǎng)計(jì)算模型11FileEditViewProjectDrawModelerMaxwell2DToolsWindowHelpProjectManager二FirojEctProperties型，并已自動(dòng)完成材料屬,-Sheets+aluminum_75C+copper+dw470_2DSF0.950+NTP1.25_2DSF1.OO(+vacuum+2CoordinateSystems：+&PlanesM?+口-hk小vacmiiTiModel舉An

30、sottMaxvrell-Teaching_e.g.-Mamvel2DDesignl-3DModeler-|Teaching_e-g.-Maxwell2DDesignl-Modeler日4劭Te：chirLg_e.g.*oQlMaxwellEIHlesignlTfiJ田&Model+白Bi：iurLii：di-ieeExcita+ionsF:ii-:iJTietere+矚MeshOperaticitle:+ArLiilysieOptimet.Fi曰圍Resuits+”彥Torque圖24創(chuàng)建成如圖所示電磁場(chǎng)計(jì)算模Time=-1大家可以參照已有的數(shù)據(jù)，考慮如果在AnsoftMaxwell中進(jìn)行建

31、模、賦材料屬性、施加與激勵(lì)、剖分、求解的過(guò)程，并逐步青熟練掌握這一流程AnsottMaxwell-TeachingLe.g.-Maxi1FileEditViewProjectDrawModelerMaxwell2DToolsWindowHelpQ爲(wèi)電緇eXQTH闞冒|SIE&Qi笑制您mossProjectManager日”劇-舸彳|rrrFrojectPropertiesMagl_l擊右鍵，粘貼模型+Magl_3+Mag2j01:rTlrhitviib-iiiOPaste匚tri4-VRenameF2XDeleteDeleteInsert卜CloseQSaveCtrl-bSSaveAs.An

32、alyzeAll-口SheetsTeachirLg_e.M：i：rreateUsiubtracti2DSF1.I10圖263在工;程目錄I點(diǎn)八、I盤(pán);AnsottMaxwell-Teaching_e.g.-Max.；el2DDesignl-3DModeler-Teaching_e.g.-Maxwel12DDesign可FileEditViewProjectDrawModelerMaxwell2DToolsWindowHelpProje匚tager日鳥(niǎo)劭TeachirLg_e.g.:+：qDq|M：=ccwell2IlD田曰Model出匕IBi：iUTLil：ELf田.jExcitaiP：di_

33、：diTiet田陶MeshOj出羈5ArL：dlyEiOptimal日固Result:+卜寫(xiě)Tor(髦Copy龜PasteCtrl4-CCtrlWRenameF2XDeleteDelete+Sheets+2CoordinatiPbn歸SolutionType.flBList.ValidationCheck.AnalyzeAllEditNotes.Propertiesrrr*亡町FrojECt3DModelEditorDesignSettings.TranslateMaterialDatabase.二三處單擊右鍵，點(diǎn)擊V：=qiableeExportEquivalentCircuitExport

34、Transfer片IeforANSYS.DesignProperties.DesignDatasets.SolutionType:Teachingt.g-IWaxwelDDesi.GeornetryMode:|Cartesian.Xf二|Magnetic:*MagnetostaticEddyCurrentTransient圖30相關(guān)設(shè)置不必改變，但大家要清楚每一項(xiàng)都是做什么用的誓AnsonMaxwen-ieacnmg_e.g.-rviuuesigni-juMoaeier-lieacnmg_e.g-Maxwei2uuesign-woaeierjTJFileEditViewProjectDrawM

35、odelerMaxwell2DToolsWindowHelpQ|電亀I冒|Animate.姿SetPlotDefaults.圖32計(jì)算完畢后，在處點(diǎn)擊右鍵可沓SaveAs.EnergyOhmicLossNamedExp匪sicin”,型AnsortMaxwell-leacrnng_e.q.-Maxv;ell2UDesiqnl-duMod&ler-soLVtD-ileacmnq_e.q.-Ma:TFileEditViewProjectDrawModelerMaxwell2DToolsWindowHelpWSSS弦惹越喩在蛋-由匸I-由匸I-由匸I-由匸I-IMagl_2IMagl_.3IMag2

36、_0IMag2_lIMag2_2IMag2_.3IMag3j0IMag3.1IMag3.2IMag3_3IMag4_QIMag4_l理1處點(diǎn)擊右鍵+匸IMag4_.3vacuumBandInnerRegionOuterRegior三Shaft-+-、Lines+、Circle!單擊子菜lOEMMhrrrEJAnsoftMaxwell-TeachingLe.g.-MaxAef2DDesignl-3DModeler-SOLVED7Feaching_e.g.-Max),vell2DDesign1-Modeler龜a回133曹ModelM越+F3-+3+回D電133lbModel*0口S1+ti+兀+

37、C+jj|FileEditViewProjectDrawModelerMaxwell2DToolsWindowHelpFileEditViewProjectDrawModelerMaxwell2DToolsWindowHelp*G1obal一MesEagesx-TheapplicatiuiicouldnutresolvethIFadilressofthisrnachinecremo七已:aiLiilysi5:iinirem0di51廣ibu七臼1:aiLiilysi5willnutwork.+口tlkMW恥:：廠+rzr口GS3示磁力線顯ProjectManagerProjectManager

38、FrojtPropertiessAWb/m3.49206-0022.770已002工2883e-002-1.5660e-002-2.04786-002CreateFieldPlot白FieldOverlays+EA+QM:azwell2DDeeigri2(Tr：arLEiq+猱IDeeiTl3(Line-Star1忌廠-ft-n.r.:_:丄:liiI卜l.806.5e-002I.3247e-0028.4293E-0033.6113E-003I.2066e-003E02466-003-1.08436-002-2.5296e-002-3.01146-0023.4932e-0021；JExcita

39、ticmEF：r:iiTieters+國(guó)MeshUperationEQ-ArL：=LlyEie爐Setupl3Lptimetrins囲ResultEExcitationsISpecifyNameFlu:-:Line$2FieldsCalcukF：r：dineter5PSpecifyFold已Category:standardMdXwell2DDesign1QuantityFieldOverlaysFieldType:FieldsIntrinsicVariablesProject|PropertiesValueUni+Evaluated1去Field5|fields.AJ-Zectorhkg_H

40、H_VectorMag_BE_VecturJz.-Vector已門(mén)已gycoEnergyappEnergy0hmicLossSolution:ISetupl:L呂wtBd日pt”,已|Design:Contextif口廠1Maxwell-Teachinj_e.g.-MaxwelDDesign1-3D嚴(yán)血防-SOLVED-neachingLE,g：-MmxwEl口JJe麗nil-IWogglEr繪制磁力線|*inR2M；iITlE_廠鬲m圖i34MeshUperationsAiL：ilysis膺Setupl-JUptimetrics因Results|白囁+EAHnJM:ellriDeeign2(

41、血皿“出jwtFNxpFtDeeign3(Line-Starir-rilllr：_：j.:iiirI卜圖35設(shè)vacwuTivacuuiTi麒AnsoftMaxwell-Teaching_e.g.-Maxv;efl2DDesignl-3DModeler-SOLVED-Teaching_e.g.-MaelDDesignl-Modeler-，.麒AnsoftMaxwell-Teaching_e.g.-Maxv;efl2DDesignl-3DModeler-SOLVED-Teaching_e.g.-MaelDDesignl-Modeler-，.由口h示磁密幅值分布7?史由口卜由“口Is由“口Is由“

42、口Is由“口Is卜由口STFieldOverlaysrn匚+卩hB畝口卜B畝口卜B畝口卜D畝口卜+口卜H-WvatL由口E由I畝口C1zProjectTanagerr._EEI-爐Setupl-匸Iptiemtrice囤Resuits-Ei-1粽FieldOverlays$-1占4MaxwEMxp1Tl.r；.AFliiK_LirLeElgb_l命EVectorlMag_Blell2HIlHEign2TFanwiet-tDeeign3(Line-Star1彳匚rrrFFrojectProjectManagerProperties*X.雑sEA圖36通過(guò)設(shè)置-因B+|口h+卜”口h+I-EZh+

43、|口h+卜”口h+I-EZh+|口h+卜”口h+I-EZh+1口+卜”口h由口hB_-+KJIITJ-Ll.B，F(xiàn)ields+EJAnsoftMaxwell-TeachingLe.g.-Maxwefl2DDesignl-3DModeler-SOLVED-13FileEditViewProjectDrawModelerMaxwell2DToolsWindowHelp爐SetuplIlUptinietrice同F(xiàn)iesuits-FieldUverlays-EA-(5Fln:_LirLH51-EBB_VectorlEEi-JiMaxvrellIlIlH5ign2(Traiisit+sFlfilxpr

44、tD已弓ign3(Line-St:ar1i4irrn.r：_：丄:|Maxwell2DDesign2(T訓(xùn)Haxwell2DDesign3IModel由亡pBuiiTLd：di-iee=Exci口鞏l-feFarammters田翅MeshOperations田ArL：dlyEieI-SUptirrimi匚-|rResultE白jjFieldOverlaysEADaiwModelerMaxwell2DLineSplineArcEquationBasedCurveRectangleEllipseOCircleRegularPolygonSweepUserDefinedPrimitiveUserDe

45、finedModelPlanePointLineSegmentRegion先點(diǎn)選圓心，然后在右下角的位置選擇在柱坐標(biāo)下的相對(duì)坐標(biāo)，這樣，在dR位置為圓形半徑,dPhi為360度。-二m:|Relative|(Cylindrici|mm創(chuàng)建圓后，進(jìn)入場(chǎng)計(jì)算器fieldoverlays右鍵，calculator：湛AnsottMaxwell-leacmng_e.g.-MaxL；ell2UDesiginl-duModeler-bOLVtu-.1eaching_E,g,-MaxbvellDUesignl-ModeierjHFileEditViewProjectDrawModelerMaxwell2DT

46、oolsWindowHelpQ抽電龜axaogl朵申El闞皤|QEa01M?|bvacmiiTi刁|HonModelV|=:廠十=tzr口PlotMesh.i-JDMaxwell：+FUilnprtlli4i|Ljn-r;_;iirFields由口田口+MagiMagiMagiMagiPropertiestBModifyPlots.i”.ModifyPlotAttributes.SetContextToActiveWindow.Animate.SetPlotDefaults.Open.SaveAs.BTJ+Calculator.Cti召111、【工口占n療H，I-1，1按如口|、過(guò)彳王進(jìn)操作口

47、nes-DeletePlot.在場(chǎng)計(jì)算器quantityBGeometryLineCircle1+、Circlel+9CoordinateSystem+回Planes*w卜1.76306+0001.6274e+0001.4918e+0001.3562e+0001.2206e+0001.08506+0009.4937e-0018.1376e-0016.7815e-0015.42546-0014.0694e-0012.7133e-0011.3572e-0011.07196-0042.16gge+0002.0342E+0001.8986e+000rrrVectorUnitVectorNormalVe

48、ctorDot5）點(diǎn)Add按鈕，取名為Bnor6）點(diǎn)Done按鈕，完成。NameExpressionFlux_LinesScalarZ(Smooth(MagLHMag(Smooth(HMagLBMag(Smooth(Elx.ElyJzScalarZ(Smooth()：T-or|卜Nam已dExpressionsContext:Maxwell2DDesignlSolution:|Setup1:Lastdaptive|FieldType：Chang已VariableValues.Library:QuantityGeometry.LlUldiy.OutputValueiJuantitvGeometr

49、y.ConstantNumber.Function.GeomSettings.Read.ComplexDomainNormalSurfaceVolumeCoordBarbeDarateyCirclelCoil_0Coil_1Coil_10Coil_11Coil_12Coil_13Coil14TarigentUnitVec*3+0003-0015-0013-001-士二二zzqpi二二DataTable3DRectangularPlotRectangularContourPlotReportTemplates卜OutputVariables.UpdateAllReportsOpenAllRepo

50、rtsCreateQuickReport.PerformFFTonReport.SolutionData.BrowseSolutions.示進(jìn)行選擇,設(shè)置完成后點(diǎn)舊可以通過(guò)諧波分析得到氣隙磁密基波幅值，進(jìn)而4.44公式計(jì)算得到空載反電動(dòng)勢(shì)，這是通過(guò)靜態(tài)場(chǎng)計(jì)算氣隙rojectperties白.rrrMag3_3Mag4_0Mag4_lMag4_2Mag4_3acuum按照下圖所示進(jìn)f布曲線：（通過(guò)氣隙磁密的曲線,urciNewReport,5.42546-0010694e-0012.71336-0011.3572e-0011.07196-004得到氣隙磁密沿圓周的空間磁密的方法；同時(shí)，根據(jù)空載分

51、別加載直、交軸電流計(jì)算得到的氣隙磁密的數(shù)值，可以計(jì)算電機(jī)的電樞反應(yīng)電抗參數(shù)）。TUJCLLlvldlIdyEI0ArL：=LLyEie爐Setupl-3匸ptirrimiCEg-|r?Results-竊Plot沖B_norl-FieldOverlays-BaFlux_Linesl-BBB_VectorlOII._D1iiiIFrojectropertiesMagljOMagl_lMagl_2Magl_3血nn3HiBET2.1699e+0002.0342e+0001.8986e+0001.76306+000劭Report:Teaching_e.g.-Maxwell2DDesfgnl-NewRe

52、port-NewTracefs)ContextFamiliesFamiliesDisplayireSolution:|Setupl:LastAdaptivePrimarySweep:Distance疋Defeult|DistancePoints:11001尉AnsonMaxweii-ieacnmg_e.g.-maxweiiusign止-hoii-2FileEditViewProjectProjeiztManagerY:|Bnor1Category:VariablesOutputVariablesCalculatorExpressionsQuantity:|filter-textJzenergy

53、cnEnergysulvlu-iescning_e.g.-Maxweiizouesign丄=真yhiReport2DMaxwell2DToolsWindowHelpXa處|叵衆(zhòng)申國(guó)|凰暢期倉(cāng)|Q+匾MeshUperatiore0ArLiilysie爐Setupl3Optimetrice曰園Results-XYFlot1:鹽B_rLC.rl白FieldOverlays-EAFliBt_LirLHEl-EBrrrFrojstN：=JT|HViilueE瞬態(tài)場(chǎng)計(jì)算：IT嗨心Il:iJTlH場(chǎng)計(jì)算:Y虹讓Y1首先,學(xué)會(huì)計(jì)算空載瞬態(tài)場(chǎng)。丿Properties等參數(shù)下圖所示;1.000.750.25-匸0

54、.00一Im-0.25-0.50-0.75一AnsqftdMaxwellXYPlot1JU空載時(shí)可以計(jì)算得到電機(jī)的齒槽轉(zhuǎn)矩、空載反電250.00neemm300.00定轉(zhuǎn)速為額定值:其次，設(shè)定空載狀態(tài)。在激勵(lì)源中設(shè)置繞組電流為零，模擬空載運(yùn)行狀態(tài)。三相依次設(shè)置，此處只給出其中一相的設(shè)置方法，其余兩相做法相同。設(shè)置求解時(shí)間步長(zhǎng)和計(jì)算停止時(shí)間。一般時(shí)間步長(zhǎng)可設(shè)置為一個(gè)電周期取100個(gè)點(diǎn)。如50Hz,電周期為0.02s,那么時(shí)間步長(zhǎng)可取為0.0002s,可以選擇計(jì)算兩個(gè)周期，則計(jì)算停止時(shí)間應(yīng)為0.04s。Frojectfroject3roperties匚itaAiutleEnACutitlectionlOptimetri-EProperties-gi沁-g3EH:沁:沁CreateTransientReportCreateFieldsReportDeleteAllReportsReportTemplatesOutputVariables.UpdateAllReportsOpenAllReportsCreateuickReport.PerformFFTonRe