Jmag精典分析实例永磁电动机.pdfVIP

JMAG Application Note Analysis of a Permanent Magnet Brush Motor CONTENTS Overview 2 1 Analysis Scope 3 2 Motor Specification 3 3 Analysis Results 6 3.1 Speed-Torque and Torque-Current Curves 6 3.2 Flux Density Distribution 7 4 Analysis Steps 8 5 FEM Model Creation 9 5.1 Mesh Model 9 5.1.1 2D Model 9 5.1.2 Air Region 9 5.1.3 Mesh Generation 9 5.2 Material Properties 10 5.3 Analysis Conditions 10 5.3.1 Analysis Control 10 5.3.2 Step 10 5.3.3 Symmetry Boundary 2D 10 5.3.4 Motion 10 5.3.5 Electromagnetic Force and Torque Calculation 10 5.3.6 Slide 11 5.3.7 FEM Coil 11 5.3.8 Circuit 12 5.4 Summary 12 6 Results Display 13 6.1 Speed-Torque and Torque-Current Curves 13 6.2 Flux Density Distribution 13 Appendix Settings for JMAG Analysis of a Permanent Magnet Brush Motor 14 Appendix 1 Mesh Model Settings 14 Appendix 2 Material Property Settings 16 Appendix 3 Analysis Condition Settings 17 JMAG Application Note – Analysis of a Permanent Magnet Brush Motor - Overview The purpose of this Application Note is to help JMAG users understand the steps and settings used to analyze a brush-type PM motor. The model data from the JMAG Application Catalog can be downloaded to view the analysis model, settings and results described in this Application Note. The organization is as follows: Section 1 Analysis Scope Presents the scope of the analysis. Section 2 Motor Specification Specifies the motor used for the analysis, including the motor geometry, the coil arrangement, material properties and the orientation of the magnet. Section 3 Analysis Results Shows the results obtained for