有限元的分析軟件Ansoft在電機(jī)領(lǐng)域中應(yīng)用

1、-WORDB式一可編輯-有限元分析軟件Ansoft在電機(jī)領(lǐng)域中的應(yīng)用一ansoft軟件各模塊的簡(jiǎn)單介紹1. RMxprt該軟件用于探索電機(jī)設(shè)計(jì)空間、快速確定設(shè)計(jì)方案，并能進(jìn)行優(yōu)化設(shè)計(jì)它已經(jīng)可以進(jìn)行十三種電機(jī)類型的設(shè)計(jì)：三相感應(yīng)電機(jī)單相感應(yīng)電機(jī)永磁無(wú)刷直流電機(jī)永磁直流電機(jī)通用電機(jī)開關(guān)磁阻電機(jī)調(diào)速運(yùn)行永磁同步電機(jī)自起動(dòng)三相永磁同步電機(jī)三相同步電機(jī)三相同步發(fā)電機(jī)永磁同步發(fā)電機(jī)特點(diǎn)：向?qū)浇槊?，參?shù)化輸入：工作條件，幾何尺寸，材料特性基于磁網(wǎng)路法 的快速解析分析詳細(xì)的結(jié)果輸出：圖形和表格利用對(duì)稱條件生成最小有限元分析模型，用于電機(jī)動(dòng)態(tài)過(guò)程詳細(xì)有限元分析參數(shù)化設(shè)計(jì)能力：尺寸、材料等無(wú)需指定?？捎靡欢ㄗ兓?/p>

2、范圍的變量表示優(yōu)化設(shè)計(jì)功能求解時(shí)考慮材料非線性 b - h特性自動(dòng)設(shè)計(jì)功能：槽型設(shè)計(jì)和線規(guī)選擇提供豐富的預(yù)設(shè)計(jì)電機(jī)模型庫(kù)輸入數(shù)據(jù)自動(dòng)驗(yàn)證提供美國(guó)、中國(guó)材料庫(kù)和公制、英制尺寸針對(duì)電機(jī)種類的多種繞組型式和用戶定義繞組連接方式多種負(fù)栽種類：恒功率、恒轉(zhuǎn)矩、恒轉(zhuǎn)速、風(fēng)機(jī)水泵三維斜槽和端部效應(yīng)無(wú)刷電機(jī)、開關(guān)磁阻電機(jī)、永磁同步電機(jī)驅(qū)動(dòng)線路類型、控制方式選擇和開關(guān)管參數(shù)設(shè)定2. Maxwell 2D二維電磁場(chǎng)、溫度場(chǎng)，瞬態(tài)場(chǎng)分析軟件，Maxwell? 2D 是一個(gè)功能強(qiáng)大、結(jié)果精確、易于使用的二維電磁場(chǎng)有限元分析軟件，一般在電磁物體滿足軸向均勻或RZ對(duì)稱的條件下采用。3. Maxwell 3D包括電場(chǎng)、穩(wěn)態(tài)

3、磁場(chǎng)和交流磁場(chǎng)、動(dòng)態(tài)電磁場(chǎng)、損耗計(jì)算和熱分析模塊，其核心是針對(duì)三維電磁場(chǎng)分析而優(yōu)化的有限元技術(shù)。向?qū)降挠脩艚缑?、精度?qū)動(dòng)的自適應(yīng)剖分技術(shù)和強(qiáng)大的后處理器使得Maxwell3D成為業(yè)界最佳的高性能三維電磁設(shè)計(jì)軟件。可以分析渦流、位移電流、集膚效應(yīng)和領(lǐng)近效應(yīng)具有不可 忽視作用的系統(tǒng)，得到電機(jī)、母線、變壓器、線圈中渦流的整體特性。功率損耗、線圈損耗、某一頻率下 的阻抗（R和L）、力、轉(zhuǎn)矩、電感、儲(chǔ)能等參數(shù)可以自動(dòng)計(jì)算。同時(shí)也可以給出整個(gè)相位的磁力線、B和H分布圖、能量密度、溫度分布等圖形結(jié)果。4. OptimetricsOptimetrics是Maxwell 3D的選件模塊，用于優(yōu)化、參數(shù)分析和敏

4、感性分析。Optimetrics為設(shè)計(jì)者評(píng)估特定參數(shù)和目標(biāo)函數(shù)之間關(guān)系最終進(jìn)行裝置優(yōu)化提供了有力工具。采用宏功能，仿真過(guò)程中可以對(duì)形狀、 激勵(lì)/邊界條件、頻率等進(jìn)行參數(shù)分析優(yōu)化。OPTIMETRIC禍絕佳的參數(shù)化和優(yōu)化引擎，它可讓用戶從一非常簡(jiǎn)潔易用的界面執(zhí)行參數(shù)分析、敏感 性分析、優(yōu)化和其他許多設(shè)計(jì)研究。OPTIMETRICS1塊驅(qū)動(dòng)ANSOFT勺電磁場(chǎng)解算器，使工程師們能用精確 電磁場(chǎng)仿真來(lái)設(shè)計(jì)電子器件和產(chǎn)品。采用OPTIMETRICS就可以很快很輕易地執(zhí)行大量的設(shè)計(jì)變量、優(yōu)化器件，并自動(dòng)進(jìn)行實(shí)驗(yàn)設(shè)計(jì)研究來(lái)推導(dǎo)出敏感性和不確定性與制造容差之間的函數(shù)關(guān)系。OPTIMETRICS自動(dòng)產(chǎn)生和修改

5、宏。 用戶建立一個(gè)項(xiàng)目并定義要改變的獨(dú)立參數(shù)。宏編輯器模塊自動(dòng)解釋宏文本中的特顯行，使用戶可定義獨(dú)立變量，然后用戶再定義在參數(shù)分析中需計(jì)算的非獨(dú)立變量，或在 優(yōu)化中需最小化的 COST函數(shù)。非獨(dú)立變量和 COST!數(shù)在HFSS中可以是任意的計(jì)算值：場(chǎng)值、S-參數(shù)、頻率響應(yīng)、本征模、阻抗等。HFSSa行所要求的計(jì)算，向參數(shù)分析提供便利的表格形式的輸出，向優(yōu)化提供最佳的設(shè)計(jì)要求。報(bào)告生成器使用戶能繪出參數(shù)仿真中獨(dú)立參數(shù)與非獨(dú)立參數(shù)間的關(guān)系以及優(yōu)化中費(fèi)用 函數(shù)及其他度量與周期的關(guān)系。5. simplorer沈陽(yáng)ansoft電磁場(chǎng)培訓(xùn)筆記摘要1 ) RMxprt 筆記摘要其中的periodic尋找對(duì)稱

6、周期difference:定轉(zhuǎn)子相差一定角度2 . Maxwell 2D筆記摘要Maxwell2D里面的定義充磁方向問(wèn)題：徑向充磁：assignalign object :沿物體方向align with a given diretion:沿與 x 軸以定的角度align relative to orientation:角度可以是函數(shù)如OUT=PHI, IN=PHI-180PHI:物體上的該點(diǎn)與圓心所構(gòu)成的直線與x軸的夾角。Ansoft里面區(qū)分大小寫Maxwell2D靜態(tài)分析：Total:總的電流電壓， 100,-100,50,-50在maxwe112d靜態(tài)分析種可以設(shè)定求解變量，在后處理中用的

7、到。Number of required pass: 需要求解的次數(shù)。Solve comvergens:收斂過(guò)程Solution matrix:求解矩陣，如電感矩陣，得到的是單位長(zhǎng)度的電感，還要進(jìn)行計(jì)算后處理部分：surface-all 選擇mag B :磁密幅值，上限可以調(diào)整B-vector: B 矢量在某些曲線上的數(shù)據(jù)的圖形顯示這里注意一下后處理中計(jì)算器的應(yīng)用。以及后處理中Macro宏的錄制和應(yīng)用問(wèn)題。瞬態(tài)邊界設(shè)定：phaseA:激勵(lì)：電流，電壓，外電路 (external circuit)激勵(lì)可以用Function,其中P代表電機(jī)現(xiàn)在位置，S為轉(zhuǎn)速，T為仿真起始時(shí)間Edit/電路編輯器，

8、電阻，主繞組，漏感，周期邊界條件：奇數(shù)個(gè)極 slave= master偶數(shù)個(gè)極 slave= mastermotion setup ： 設(shè)定band邊界，內(nèi)為運(yùn)動(dòng)，外為靜止band把轉(zhuǎn)子包起來(lái)可以設(shè)置函數(shù)轉(zhuǎn)速：030001 30002 60003 6000model depth: 軸向長(zhǎng)度3. Maxwell3DACIS-based Kernel*.sat, *.igs *.stp *.sld *.geo材料參數(shù)變化3D solver ： 靜電場(chǎng)靜磁場(chǎng)渦流場(chǎng)溫度場(chǎng)瞬態(tài)場(chǎng)：電機(jī)運(yùn)動(dòng)，負(fù)載變化，動(dòng)態(tài)過(guò)程靜電場(chǎng)：電壓電流激勵(lì)，標(biāo)量位 ED 力、轉(zhuǎn)矩，儲(chǔ)能靜磁場(chǎng)：永磁直流電流外部邊界上的靜態(tài)磁場(chǎng)渦流場(chǎng)

9、：1.單純正弦 正弦電流（給幅值）2.時(shí)變外部激勵(lì)等瞬態(tài)場(chǎng)：任意電流、電壓外接力、轉(zhuǎn)矩例子：流程 create: namemagneticstaticthermal simulationR 10H 100036段x=0y=0z=500circle 軸在x軸上R=0Sweep along axiesCircle360移動(dòng)坐標(biāo)系solid分割range 0剛剛包住求解區(qū)域設(shè)定材料：backgrand : air中間圓棒： steel圓環(huán)： copper邊界激勵(lì)封閉物體加電流方法：先選截面，surfacesection,選 YZ 面，選物體后， ok, slice,slice1cover lines

10、,包絡(luò)線面 slice1加電流后，選 face, slice face, 1000A, solid實(shí)心導(dǎo)體strand 多根線plot cutplane set Mag B3維Vector B 只在表面畫出，磁密可以在體上畫出，可以強(qiáng)加邊界條件，pick face渦流場(chǎng)分析：將上面的例子中的圓棒材料改為銅，圓環(huán)也改為銅，非封閉加電流注意：加電流的面必須在邊界上，pick face:swap direction(轉(zhuǎn)變電流方向) value 10000A3D瞬態(tài)分析的例子3 相變壓器face, source, coil terminalboundary, even 磁力線垂直winding set

11、up : voltage , strand, function 1414*sin(360*50*T), voltage A, total turns 1669 等Transient: 瞬態(tài)分析電機(jī)端部例子主從 slave面原點(diǎn)坐標(biāo)定子槽上下之間的絕緣，有絕緣邊界，槽體也有絕緣導(dǎo)條里電流交變的變化三維帶運(yùn)動(dòng)爪極發(fā)電機(jī)參數(shù)化優(yōu)化設(shè)計(jì)RMxprt參數(shù)設(shè)計(jì)Input parameters輸入變量previewdata sweep t_start t_endpostprocessorpatameter tableRmxprt優(yōu)化設(shè)計(jì)Simplorer的部分內(nèi)容三 ansoft在電機(jī)設(shè)計(jì)分析領(lǐng)域中的應(yīng)用舉

12、例Rmxprt的應(yīng)用：以2.2kwY系列三相感應(yīng)電動(dòng)機(jī)為例, 界面輸入數(shù)據(jù)入下：General 界面：statorl 界面stator2 界面roton界面:G«n«r£L | Stitorl St*tcr2RotarZ Air Cap Gnfli)|0.3Inner Diancter QnO ；13TNumbar of Slots；區(qū)Slot TypeSlot Dimenii cm (mm)：Br2：Rr：H?3:Br3;晚4:rotor2 界面:d.Sthtfrrl I stator slot pitch 1 rotor ilot pitch OtherEnd

13、-Ring Hei ght Qm):15上面參數(shù)輸入完畢之后點(diǎn)取 analysis /analytical design,File Vi ew iMateri als1 Post Froc#EE Tools Help圄。1昌1曾吃1Analytical Desipi|Tltree-P/tase InduView Geometry匚廣電ate Maxdl, 2D Fr &j ct出現(xiàn)提示 "Design program ran successfully ” 后表明分析完畢此時(shí)打開 Post process/design output程序?qū)⒔o出設(shè)計(jì)結(jié)果：Ipesign Outpu

14、tSIThree-Pfiase Induction Motor Design4File: cVpmsfn. pjt/3p. pj|t/3p. resGENERAL DATAGiven Output Rower (kW:Rated Vohige (V):Winding CcnnectioncNumber of Poles:Given Speedrpm:Frequency (Hz).Stray Logs (W):Friction and Wind Lo4s WtType uf Load：Iron Core Lenglh m時(shí)Stacking Factor 3 Iron Core:Typt of S

15、teel:2.2390 Wye 4 1490502222Constant T orque 1060.95 D 2350STATOR DATANumber ol Stator Slots：Outer Diameter erf 5t忒or nwnj; Innei Diameter of Stator (nnm):Type of Stator Sbt:3&155932Exi t 0Print具體數(shù)據(jù)如下：Three-Phase Induction Motor DesignFile: c:/pmsm.pjt/3p.pjt/3p.resGENERAL DATAGiven Output Power

16、 (kW):2.2Rated Voltage (V): 380Winding Connection:WyeNumber of Poles: 4Given Speed (rpm):1450Frequency (Hz):50Stray Loss (W):22Friction and Wind Loss (W):22Type of Load:Constant TorqueIron Core Length (mm):105Stacking Factor of Iron Core:0.95Type of Steel:D23-50STATOR DATANumber of Stator Slots: 36O

17、uter Diameter of Stator (mm):155Inner Diameter of Stator (mm):98Type of Stator Slot:2Dimension of Stator Sloths0 (mm):0.8hs1 (mm):0.5hs2 (mm):11.1bs0 (mm):2.8bs1 (mm):4.5bs2 (mm):6.6Number of Conductors per Slot: 41Number of Parallel Branches: 1Number of Wires per Conductor:2Type of Coils:12Coil Pit

18、ch: 18Wire Diameter (mm):0.71Wire Wrap Thickness (mm):0.05Slot Insulation Thickness (mm):0.4Top Free Space in Slot (%):0Bottom Free Space in Slot (%): 0Conductor Length Adjustment (mm):15ROTOR DATANumber of Rotor Slots: 32Air Gap (mm):0.3Inner Diameter of Rotor (mm):37Type of Rotor Slot: 3 Dimension

19、 of Rotor Slothr0 (mm):0.5hr01 (mm):0hr1 (mm):1hr2 (mm):14.5br0 (mm):1br1 (mm):4.5br2 (mm):2rr (mm):0Skew Width (mm):8.53544Height of End Ring (mm):15Width of End Ring (mm):15Resistivity of Rotor Conductorat 75 C (ohm.mmA2/m):0.0434RATED-LOAD OPERATIONStator Resistance (ohm): 3.33976Stator Leakage R

20、eactance (ohm): 2.87156Rotor Resistance (ohm): 2.37048Rotor Leakage Reactance (ohm): 3.53671Resistance Corresponding toIron-Core Loss (ohm): 1633.59-WORDB式一可編輯-Magnetizing Reactance (ohm): 85.9895Stator Phase Current (A): 4.74829Current Corresponding toIron-Core Loss (A):0.121606Magnetizing Current

21、(A): 2.31022Rotor Phase Current (A): 3.87539Copper Loss of Stator Winding (W): 225.897Copper Loss of Rotor Winding (W):106.804Iron-Core Loss (W):72.4729Friction & Wind Loss (W):22Stray Loss (W):22Input Power (kW): 2.62446Output Power (kW):2.17529Mechanical Shaft Torque (N.m):14.5282Efficiency (%

22、):82.8851Power Factor:0.832727Rated Slip: 0.0463542Rated Shaft Speed (rpm): 1430.47NO-LOAD OPERATIONStator Resistance (ohm): 3.33976Stator Leakage Reactance (ohm): 2.87638Rotor Resistance (ohm): 2.37023Rotor Leakage Reactance (ohm): 3.55801Phase Current (A): 2.46662Iron-Core Loss (W):82.2463Input Po

23、wer (W): 187.713Power Factor:0.102073Slip: 0.000397066Shaft Speed (rpm): 1499.4BREAK-DOWN OPERATIONBreak-down Slip: 0.43Break-down Torque (N.m):45.5597Break-down Torque Ratio:3.13594LOCKED-ROTOR OPERATIONLocked-rotor Torque (N.m):37.9029Locked-rotor Torque Ratio:2.60891Locked-rotor Current Ratio:6.1

24、4319Stator Resistance (ohm): 3.33976Stator Leakage Reactance (ohm): 2.46194Rotor Resistance (ohm): 2.48652Rotor Leakage Reactance (ohm): 2.46921DETAILED DATA AT RATED OPERATIONStator Slot Leakage Reactance (ohm):1.18284Stator End-Winding LeakageReactance (ohm):1.01125Stator Differential LeakageReact

25、ance (ohm):0.67747Rotor Slot Leakage Reactance (ohm):1.77539Rotor End-Winding LeakageReactance (ohm): 0.10821Rotor Differential LeakageReactance (ohm): 1.21313Skewing Leakage Reactance (ohm): 0.439979Slot Fill Factor (%):76.2888Stator Winding Factor: 0.959795Stator-Teeth Flux Density (Tesla): 1.5073

26、3Rotor-Teeth Flux Density (Tesla):1.55901Stator-Yoke Flux Density (Tesla):1.39925Rotor-Yoke Flux Density (Tesla):1.36969Air-Gap Flux Density (Tesla): 0.694346Stator-Teeth Ampere Turns (A.T):26.0288Rotor-Teeth Ampere Turns (A.T):43.2834Stator-Yoke Ampere Turns (A.T):33.9397Rotor-Yoke Ampere Turns (A.

27、T):8.2077Air-Gap Ampere Turns (A.T): 239.784Correction Factor for MagneticCircuit Length of Stator Yoke:0.48758Correction Factor for MagneticCircuit Length of Rotor Yoke:0.362308Saturation Factor for Teeth: 1.28906Saturation Factor for Teeth & Yoke: 1.46483Induced-Voltage Factor: 0.905474Stator

28、Current Density (A/mmA2):5.99654-WORDB式一可編輯-Specific Electric Loading (A/mm):22.764Stator Thermal Load (AA2/mmA3):136.505Half-Turn Length ofStator Winding (mm):24.77WINDING ARRANGEMENTThe 3-phase, 1-layer winding can be arranged in 18 slots as below:AAAZZZBBBXXXCCCYYYAngle per slot (elec. degrees):

29、20Phase-A axis (elec. degrees): 110First slot center (elec. degrees):0TRANSIENT FEA INPUT DATAFor Stator Winding:Number of Turns:246Parallel Branches:1Terminal Resistance (ohm): 3.33976End Leakage Inductance (H): 0.00321891For Rotor End Ring Between Two Bars of One Side:End Ring Resistance (ohm): 1.

30、54146e-006End Ring Inductance (H):1.2414e-009查看電機(jī)結(jié)構(gòu)：首先點(diǎn)擊 tools/options再點(diǎn)擊 analysis /view geometry在2D modeler中將給出圖形：如果將上面的periodic改為1, difference改為30,得到的geometry如圖所示創(chuàng)建 maxwell2D projectAnalysis/create maxwell2D projectFast Prcctss Tools HelpAnalytical 西Eile Vi ew Mteri alsThree-Phase InduView Geometr

31、yCreate Maxwell 2D Project在彈出的create Maxwell 2D project窗口中輸入工程名和存放工程的路徑，例如。點(diǎn)取 create 以后將出現(xiàn)提示"A Maxwell 2D project named fudayl created到這里此版本的rmxprt的整個(gè)流程完畢。細(xì)節(jié)問(wèn)題:非線性材料的數(shù)據(jù)輸入問(wèn)題2.View lamniFi 1 e Vi M ati als Analysi sTools Help自舊|昌|曾吃| _eJm SThree-Phase Induction M(View LarninationHi 電w binding Lay

32、outDesi gn OutputPerformance Curves3 .在最新版本中涵蓋 了參數(shù)化設(shè)計(jì)以及優(yōu)化設(shè)計(jì)，4 .在最新版本中還有 create simplorer project功能，即產(chǎn)生 simplorer里面的有限元部分5 . Ansoft有獨(dú)立于以上版本的optimatrics模塊，不過(guò)是從此模塊中調(diào)用maxwell2D,maxwell3D,以及RMxprt下面進(jìn)入 maxwell 2D的使用環(huán)節(jié):Maxwell2DMaxwell2D選擇工程界面:點(diǎn)取ok以后進(jìn)入maxwell 2D 主界面:Maxwell 2D的求解器Sclver:Drawing:TransientEl

33、ectrotaticM右部白tost白ti uEddy Current 靜電場(chǎng)靜磁場(chǎng)禍流場(chǎng)SeDC Conducti onAC Cbnduutig _Eddy Axi al Transient瞬態(tài)場(chǎng)繪圖平面:rawing:d PlaneXY平面RZ平面這里以瞬態(tài)場(chǎng)分析為例:define KcdeL-工3.Gr oup Object 雪-一Ihr&w Model.畫出模型為模型中的對(duì)組點(diǎn)擊 Define Model 下的 Draw model顯示界面如下:2D lodeler ,迎曠此時(shí)是用 wire frame形式畫出的電機(jī)截面圖形，下面利用fill solid形式畫出KakwsLI

34、2D Field SifluLareif Ve£5la* 7,0.09 Cepyrlght 15E4-L99'9 名 CeirpeiEA&ienq口P 心旦I! | rnrrss - SKAJTO： grid vertesfiH5cift_tr*. . f：之£ -畫閨Us 63K (cmd. .iHixifrell 2D.孰 N nlel er具體繪圖命令這里不再細(xì)講，由于此這里進(jìn)行的是瞬態(tài)分析，所以ansoft在定子和轉(zhuǎn)子之間的氣隙區(qū)域加上了一個(gè)band,即運(yùn)動(dòng)邊界如圖所示：utrizs："iHiiffell 2D.£D Heeler

35、2D ladfllei T3p5*Idle 巽it口awiiulisftdfiw H*3EeiEer»儂苒r退出后可以對(duì)圖中畫出的多個(gè)對(duì)象進(jìn)行分組:卜面是給各對(duì)象定義材料:ansoft支持自己設(shè)定材料，并且可以保存在數(shù)據(jù)庫(kù)中A12_O3_cE：ramieEzterE-al(LockjiAlfExternal3田AIrlimSExtErnal(Laclc|iAln-icoSExtErnal(Lo田BI_3y3E3：flExternal口 10Be_OExtErnal(LackliCeraniiESExternal3陽(yáng)CeramiceDExternal(Lock|iFR4_epsi&qu

36、ot;External(Lock|iFeLocalNdFe3DExternal(Lact|iC«riv+ st«l_100e 廣 Perfect Conducter ilnisotrcpic Mater歹 NonLinEar Material非線性材料ExitEi這里需要注意的幾點(diǎn)問(wèn)題:1. 一定要注意，background的材料定義為 airRei. Fernieability (Mu CcnductivityMag4 Coercivity (HeMag. Retentivity (BrMagnetization Kpj3iezEns/meter aoipere/jiie

37、ter tesla anpere/nieterFuzictLcns- - *2.shaft的材料定義為空氣M Single Select Multiple SeieccObjectMaterial.13.band的材料定義為airIncludsExcludeObjectHazerialAirSapaiiABandsirRot-exFeStiafuairStatorFt皿coppera：ccpperbQcopperbcopper=01copperp：copperI'm： 口 £bes 工 1fllumifluaV*' Siegle SelectBlulclple Sel

38、ect+DeffElect All退出 setup material 后進(jìn)入 setup boundary/source 環(huán)節(jié):KaawsLl 2D Field 51KiiLii.ECir7,0.09 rcpytlgtiE 19E4-L99-9 'CfiltpCiEaslM 7Jb5313637.04517Ene-SE I SKAPIO: V.ftlfEfiK伽修snsatt.tr*. .，； 30 -庖圉fel 的 Gznmk .2.( 口幽通fjiiE . E=曰:1L：3O定義電壓源（或電流源）MakwsLI 2D Field SiftuLaEeif Verjla* 7.0.09

39、 Cepyrlght IJE&Tggg Lm力Et Corpfliaaion其中單擊option按鈕出現(xiàn)的對(duì)話框?yàn)?單擊function出現(xiàn)的對(duì)話框?yàn)?另外，這里支持條件表達(dá)式，點(diǎn)擊左下角的help按鈕將出現(xiàn)提示對(duì)話框如下:由于前面選擇的是絞線型，所以這里還要對(duì)“winding”進(jìn)行設(shè)置端部連接的設(shè)定:0 12臼力aeLeeted.口口丁。Eatez I SKAKEO： veiEfis* NSD陪7rj 皿xo>Ft_tr35 -畫K)fis 46K (cwnJ. . 丁 船、.1 t 二.2. Latcme. .= u 用?離 舉 4M 】L :5&端部連接設(shè)定完之后退

40、出 “setup boundary/source” 環(huán)節(jié)，進(jìn)入 “ Setup option” 環(huán)節(jié)點(diǎn)擊 setup option/option出現(xiàn)的界面為：自己定義網(wǎng)格剖分，電機(jī)mannual mesh:將出現(xiàn)提示框:A transient solution exists for the current mesh.If v。口 create a msu社 mesh, you will not be able to continue the existing solution.Do you want to create a manual mesh?1選擇“是”,即手工創(chuàng)建網(wǎng)格，自己調(diào)整網(wǎng)格2D

41、 lashsaker * 3p5*Ikle H4Eh R«fiM 愛嵬的 M«Ip程序默認(rèn)的網(wǎng)格剖分網(wǎng)格細(xì)化問(wèn)題：如果對(duì)某部分區(qū)域的網(wǎng)格不滿意，可以進(jìn)行網(wǎng)格細(xì)化例如：1）利用area選擇區(qū)域細(xì)化refin e/area選擇的區(qū)域細(xì)化后的網(wǎng)格如圖所示:2）另外還可以根據(jù)需要，對(duì)具體的對(duì)象進(jìn)行細(xì)化，如對(duì)定子進(jìn)行細(xì)化網(wǎng)格圖形對(duì)比:程序默認(rèn)的網(wǎng)格剖分定子細(xì)化后的網(wǎng)格剖分確定好網(wǎng)格剖分以后，進(jìn)入motion setup（機(jī)械運(yùn)動(dòng)設(shè)置）設(shè)定運(yùn)動(dòng)邊界以后，點(diǎn)擊“ Mechanical setup"，進(jìn)行機(jī)械運(yùn)動(dòng)設(shè)定，這里設(shè)定負(fù)載和轉(zhuǎn)動(dòng)慣量等。以上設(shè)定完畢之后進(jìn)入求解過(guò)程Sc I

42、veV Nominal ProblemVariables點(diǎn)擊 soke 下的 Nominal problem進(jìn)入求解過(guò)程。后處理求解完畢之后進(jìn)入后處理模塊，點(diǎn)擊post process/Fields,進(jìn)入場(chǎng)分析模塊將會(huì)彈出Post process saved fields窗口，提示你從求解結(jié)果中提取要分析的某時(shí)刻的場(chǎng)數(shù)據(jù)。這里以 0.183 outO.pjt 為例，點(diǎn)擊 post process!后進(jìn)入 2D post processor 界面Post-Process Saved FieldsTime Directory此時(shí)只給出了電機(jī)截面的wire frame形式，下面畫出磁力線分布點(diǎn)擊 p

43、ost/plot彈出如圖所示的對(duì)話框，對(duì)應(yīng)的選擇圖形中的圓圈區(qū)域，2D Feat Processor cratO0HOPLOT MENUValuevaa BLLinSjB VectorH VeCTdtShjadBd.NoraphNoScnti 口力Bi 血口w旦71互-|酮EaergyCoenerApp EgyCancel選好以后，點(diǎn)擊左下角的"Execute”, 此時(shí)將會(huì)畫出磁力線分布：下面以畫出 B_vector如圖所示畫出的B Vector為Fluz肥-口口 2 1.1如10口2 7.9 9-616-003 3 .普寫QZ5-ti.l427e-0M-4.00721&-0

44、03-1B0a83e-003-i.2QD9e-aa2-l，6GLlfr-QM -2.0012e-0«MaxwellModeM 口UEL1&3GitidKeybomdlEobtl *i 謁翎另外，還可以畫出氣隙中心線上的磁密分布等,點(diǎn)擊 post process/transient data可以畫出以下瞬時(shí)值曲線：Back EMF 反電勢(shì)曲線：I回區(qū)IPlntjs E；;/:uiJoftl/3p5. pit/IbkeHf. da.tP I ii E Dm I nEll« Vi.«r I««1eM陽(yáng)皂ICP 匆匆這胸fellELotDot-

45、s11rehbii:匚工，口，工 Ejzyrinlii 1詈"-1汨3 Jjim口" 匚:i工pomiTEin導(dǎo)體電流曲線:FlotDatafill *r 4電 1 口口工嶼 hJn"affe l/：l|iEi. |i |1/-i：aml, i. ilalE?回國(guó)Conductor current vs timeDoo2DmDooCL5limefsec)FLotDaca VEZSlca Za0s£2 Ecpyrihi: lie41-1991 Szisal-匚0rp口二日工工必繞組電流曲線:fill4電 1 口口工嶼 hJn"P ut m - -

46、C :/Mfiaur t 1/ HpEr. |J j 1/tuf f £nt. JhI：5WE 50117 加nW 皿ce5 corce3 EojrcedWinding Current vs Tine<二巨nu2D-20-加Ilime (sec)匚DbHVtldlCQ Z.lCirri-jhi： li4i-19S5 ,3口工： 87口二日工二g轉(zhuǎn)速曲線:PlotData回區(qū)Idle 方t* Elsl 工。由f%Ed-P3&dstime (sec)FLDtData versicn 2. D. EZ ：口打工犯lSE4i-1953 knacft Corpora'EioD轉(zhuǎn)矩曲線:PlotDataIdle 方t* Elsl 工。由fPlot s - c:/an5oft pjt/t oraut. dat