e04 example - maxwell 2d coupling_v2017

1、Example 04:PExprt to Maxwell 2DPExprt User GuidePExprt v2017 (R18) User Guide1 2016 ANSYS, Inc.October 17, 2018Open PExprt ApplicationPExprt v2017 (R18) User Guide2 2016 ANSYS, Inc.October 17, 2018This example will show how to evaluate flyback converter magnetics using Maxwell 2D solvers: Eddy Curre

2、nt Electrostatic TransientSelect File - New for a New ProjectPExprt v2017 (R18) User Guide3 2016 ANSYS, Inc.October 17, 2018Select “Flyback Converter” component from the list of components and click on “OK” buttonSelect Ferroxcube Library for DesignPExprt v2017 (R18) User Guide4 2016 ANSYS, Inc.Octo

3、ber 17, 2018Drag the Ferroxcube library from the “Stock Library” and drop it on the “Design Library” to assign itDefine the Required Converter ParametersPExprt v2017 (R18) User Guide5 2016 ANSYS, Inc.October 17, 2018In this example the default values will be usedStart the Design ProcessPExprt v2017

4、(R18) User Guide6 2016 ANSYS, Inc.October 17, 2018Use “Calculations/Start Design Process” or click the button on thetoolbarAllow PExprt Selection of the Core, Wires and MaterialsPExprt v2017 (R18) User Guide7 2016 ANSYS, Inc.October 17, 2018Click on “Yes” buttonDesigning the ComponentPExprt v2017 (R

5、18) User Guide8 2016 ANSYS, Inc.October 17, 2018Save the project after the design processSelect the Third Design in the List of ResultsPExprt v2017 (R18) User Guide9 2016 ANSYS, Inc.October 17, 2018Invoke “FEA Eddy Current” SolverPExprt v2017 (R18) User Guide10 2016 ANSYS, Inc.October 17, 2018Save t

6、he project, then Use “FEA Link/Eddy Current” menu or click the button on the toolbarSelect Your ChoicesPExprt v2017 (R18) User Guide11 2016 ANSYS, Inc.October 17, 2018Click on “OK” to invoke FEA solverThese options will beavailable after FEA solutionSelect Link preferences: “Solve” in this exampleSe

7、lect the analysis type: Open circuit in this exampleSelect Maxwell 2DExploring Results (Eddy Current)PExprt v2017 (R18) User Guide12 2016 ANSYS, Inc.October 17, 2018Once the analysis is completed, use “FEA Link/Eddy Current” menu or click the button on the toolbar again to view resultsExploring Resu

8、lts (Eddy Current - Flux)PExprt v2017 (R18) User Guide13 2016 ANSYS, Inc.October 17, 2018Select “Show Flux Distribution Map” in this example, then OKPost-processing optionsExploring Results (Eddy Current - Flux)PExprt v2017 (R18) User Guide14 2016 ANSYS, Inc.October 17, 2018File - Exit Maxwell to ge

9、t back to PExprt, no need to save projectNote RMB - View - Fit all thenRMB - View - Zoom in (and draw box around area)Flux distribution is automatically plottedExploring Results (Eddy Current Current Density)PExprt v2017 (R18) User Guide15 2016 ANSYS, Inc.October 17, 2018Select the to show the Curre

10、nt Density, OKSelect the FEA Link - Eddy Current againExploring Results (Eddy Current Current Density)PExprt v2017 (R18) User Guide16 2016 ANSYS, Inc.October 17, 2018Note the current density crowding near the gap resulting in increased winding lossesFile - Exit (dont save)When Maxwell window appears

11、 with results, Zoom in as before,then expand the “Field Overlays” folder, select the “Current Density Map”RMB -Modify Plot, select only the windings, Apply. The results should appear as shown belowExploring Results (Eddy Current Energy in Gap)PExprt v2017 (R18) User Guide17 2016 ANSYS, Inc.October 1

12、7, 2018Select the to show theEnergy Distribution, OKSelect the FEA Link - Eddy Current againExploring Results (Eddy Current Energy in Gap)PExprt v2017 (R18) User Guide18 2016 ANSYS, Inc.October 17, 2018Note the Energy stored in the GapExit without savingDouble click on the legend to redefine the Max

13、 level to 125Zoom in as before, then expand the Field Overlays Folder to Modify Plot, select only the core and gap, ApplyProcess to Link with FEA Electrostatic Solver is the samePExprt v2017 (R18) User Guide19 2016 ANSYS, Inc.October 17, 20184531) Select design2) Invoke Electrostatic solver 3)Solve4)Show energy Dist Map 5)Zoom in and Expand the Field Overlays folder to Modify Plot, select only Insulation, Apply6)Exit without saving2Process to Link with FEA Tr