用maxwell對(duì)變壓器的建模仿真教程

1、該變壓器模型采納EE型鐵芯，通入單向溝通電，經(jīng)過(guò)maxwell的3D模 型建立為兩層，分為初級(jí)和次級(jí)同軸繞制。1.建模（Model）Project Insert Maxwell 3D DesignFileSave as transformer選擇求解器種類：Maxwell Solution Type Magnetostatic創(chuàng)立變壓器鐵芯框架Draw BoxPosition (55,15,PBox 尺寸：(XSize, YSize, ZSiZe(11,30,26)Draw BoxPosition (5.5,5.5 )5Box 尺寸：(XSize, YSize, ZSiZe(11,4.5,16

2、) 選中Box2Edit Duplicate Around AxisAxis: ZAngle: 180 degTotal number: 2選中 Box1 , Box2 , Box2_1Modeler Boolean SubtractBlank Parts: Box1Tool Parts: Box2 , Box2_1不要選：“ Clone tool objectsbefore subtractingDraw Box （創(chuàng)立 Gap （缺口）Position （-5.5,15 ,12.98Box 尺寸：（XSize, YSize, ZSiZe （11,30,0.04）選中 Box1 , Box3

3、Modeler Boolean SubtractBlank Parts: Box1Tool Parts: Box3不要選：“ Clone tool objectsbefore subtracting選中 Box1Modeler Boolean Separate Bodies將分別后的模型分別重命名為：“Core_up ”（原Box1 ）和“Core_down將二者的資料重設(shè)為：“ ferri”e為鐵氧體的資料屬性。創(chuàng)立線圈初級(jí)繞組Modeler Grid Plane YZDraw RectanglePosition （0,6 ,5.5Box 尺寸：（XSize, YSize, ZSiZe（0,

4、1,15）Modeler Grid Plane XYDraw RectanglePosition （-6,-6 ,1）3Box 尺寸：（XSize, YSize, ZSizfe （12,12,0）選中 Rectangle2Modeler Delete Last Operatio（形 成Rectanglel環(huán)繞的軌跡）選中 Rectanglel, Rectangle2Draw Sweep Along Path （能夠形成環(huán)形線圈）Angle of twist: 0degDraft Angle: 0degDraft type: Round次級(jí)繞組Modeler Grid Plane YZDraw

5、RectanglePosition （0,7.5 ,5.）5Box 尺寸：（XSize, YSize, ZSiZe（0,2,15）Modeler Grid Plane XYDraw RectanglePosition （-7.5,-7.5 ,13Box 尺寸：（XSize, YSize, ZSizfe （ 15,15,0）選中 Rectangle4Modeler Delete Last Operation選中 Rectangle3, Rectangle4Draw Sweep Along PathAngle of twist: 0degDraft Angle: 0degDraft type: R

6、ound將 Rectangle2 和 Rectangle4重命名為：Coil_in, Coil_out將全部Coil的資料改為Copper創(chuàng)立激勵(lì)電流加載面(Create Section)選中全部線圈Modeler Surface Section 選中YZ平面Modeler Boolean Separate BodiesEdit Delet（刪除剩余的面）將生成的截面重命名為：Sectionl, Section2 創(chuàng)立計(jì)算地區(qū)(Region)Draw Region-egionCancelPadding Date:廠 Pad 亂 directions BionilarlY，Ped indMdud

7、 directionsTranevisrfi世 口昌H由帕設(shè)置激勵(lì) (Assign Excitation 選中內(nèi)層線圈截面：SectionlMaxwell 3D Excitations Assign CurrentName: chujiValue: 10AType: Stranded選外層線圈截面：Section2Maxwell 3D Excitations Assign CurrentName:次級(jí)Value: 15AType: Stranded設(shè)置自適應(yīng)計(jì)算參數(shù)(Create Analysis SetupMaxwell 3D Analysis Setup Add Solution Setu

8、p最大迭代次數(shù)：Maximum number of passes :10偏差要求：Percent Error: 1%每次迭代加密剖分單元比率：Refinement per Pass : 30%設(shè)置非線性殘差：nonlinear residual: 0.001設(shè)置計(jì)算參數(shù) (Assign Executive Paramete)Maxwell Parameters Assign Matrix彈出Matrix窗口在Setup子菜單下，include欄中確認(rèn)打鉤在Post Processing子菜單下，Turns欄中初級(jí)對(duì)應(yīng)的改為30Turns欄中次級(jí)對(duì)應(yīng)的改為300設(shè)置參數(shù)ForceMaxwell

9、Parameters Assign Force 點(diǎn)擊OK 。網(wǎng)格剖分的話，因?yàn)槟Ｐ秃?jiǎn)單，用軟件自己剖分就好了。Check & RunValidation Check; transfonrer - Maxwell 3DDestgnlVNidMeon Chck Gomplei&d.M瑚訓(xùn)點(diǎn)I3D&旬rd* D&ign Saltings：仲 3D力 Ecurries Excitations書 PaameEws/ Analysis Setup/ Dpti響臨Close6.查察結(jié)果Maxwell3D/result/solution data線圈受力。Sclu：ior:; Iraiiformr - V1diPicoocd|I QikemILrm：CurMlUB17際號(hào)CurentjHT?.3 81選中物體，履行Maxwell 3D/Fields/Plot mes命令，能夠圖形顯示變 壓器模型剖分狀況。a rru 賦選中物體，履行 Maxwell 3D/Fields