Defining a Brushless Permanent-Magnet DC Motor

The general procedure for defining a brushless permanent-magnet DC motor is as follows:

  1. Insert the permanent magnet brushless DC motor into a new or existing project.
  2. Double-click the Machine entry in the project tree to define the general data.
  3. Double-click the Machine-Circuit entry in the project tree to define the control circuit.
  4. Double-click the Machine-Stator entry in the project tree to define the stator geometry.
  5. Double-click the Machine-Stator-Slot entry in the project tree to define the stator slot dimensions.
  6. Double-click the Machine-Stator-Winding entry in the project tree to define the stator windings and conductors.
  7. Double-click the Machine-Rotor entry in the project tree to define the rotor geometry.
  8. Double-click the Machine-Rotor-Pole entry in the project tree to define the pole, embrace, offset, and air gap data for the rotor pole.
  9. Double-click the Machine-Shaft entry in the project tree to define the magnetism of the shaft.
  10. Optionally, right-click the Machine entry in the project tree and click Insert Housing to add a machine housing.
  11. Right-click Analysis in the project tree, and click Add Solution Setup to define the solution data.
  12. Choose File > Save to save the project.
  13. Choose RMxprt > Analyze to analyze the design.
Note: When you place the cursor over an entry field in the data windows, a brief description of that field appears in the status bar at the bottom of the RMxprt window.

Once analyzed, the model can be viewed in the Maxwell 2D Modeler, or it can be used to create a new Maxwell 2D project, and a new Maxwell 3D design

For a specific example of a brushless permanent-magnet DC motor problem, see the Brushless Permanent-Magnet DC Motor Problem application note, on the technical support page of the Ansys web site.