Inputs

Standard inputs

  1. Field current

    The current supplied to the field winding of the machine: “Field current” must be provided.

  2. Line current, rms

    The line current supplied to the machine: “Line current, rms” (Line current, rms value) must be provided.

  3. Control angle

    Considering the vector diagram shown below, the “Control angle” is the angle between the electromotive force E and the electrical current (J) (Y = (E, J)).

    It is an electrical angle. The default value is 45 degrees. It must be set in a range of -90 to 90 degrees.

    This range of values covers all the possible working point in motor convention.



    Definition of the control angle Ψ - Motor convention

  4. Speed

    The imposed “Speed” (Speed) of the machine must be set.

  5. Represented coil conductors.

    In transient application, it is possible to export a project into Flux® environment, where the elementary wires will be modeled with solid conductors. The geometry, the meshing and the corresponding electric circuit will be defined to well represent these.

    Three choices are possible:
    • • “No”: The coils will be represented with face regions. The elementary wires won’t be represented in the Finite Element model (Flux®).
    • “One phase”: The elementary wires will be represented for only one phase. This will allow to compute AC losses for conductors into the first phase. This choice allows to get a good ratio between the quality of results and computation time.
    • “All phases”: The elementary wires will be represented into all the phases.

Advanced inputs

The list of advanced inputs dedicated to this export are listed below.

For more details, please refer to the section List of generic advanced inputs.

  1. Number of computations per electrical period

    The default value is equal to 50. The minimum allowed value is 13.

  2. Number of computed electrical periods

    The default value is equal to 2. The minimum allowed value is 1 and the maximum value is equal to 10.

  3. Rotor initial position

    By default, the “Rotor initial position” is set to “Auto”.

  4. Mesh order

    The default level is second order mesh.

  5. Airgap mesh coefficient

    Airgap mesh coefficient is set to 1.5 by default.