A multislice coupled finite-element method with uneven slice length division for the simulation study of electric machines

To consider the changes of the magnetic field along the axial direction when simulating the operations of electric machines, a multislice circuit-field coupled finite element method is presented. The formulations reported allow unequal division of the axial length of the motor in the multislice model. The proposed circuit-field coupled technique provides a simple, general, and yet systematic way to couple arbitrary circuits with the magnetic field.