Thermal

Case without thermal solving mode

The first option of thermal setting is to run the test with only electromagnetic computation without any thermal analysis.

This option is the default one available for all the tests.

In this case, one must define the temperatures of active components to make the corresponding material physical properties updated.

For Synchronous Machines with Permanent Magnets, winding and magnet temperatures must be defined.

  1. Temperature of windings
    Figure 1. Settings of winding temperature


    It is possible to define temperature of the three main parts of the stator winding:
    • Winding active length temperature (part 1)
    • Connection Side (C.S.) end winding temperature (part 2)
    • Opposite Connection Side (O.C.S.) end winding temperature (part 3)
    Figure 2. Definition of the main parts of winding


    The resulting resistance of each part of the winding is updated according to the temperature:
    • Winding straight part resistance (part 1)
    • Connection Side (C.S.) end winding resistance (part 2)
    • Opposite Connection Side (O.C.S.) end winding resistance (part 3)

    The resulting resistance for the whole winding (considering the three parts described above) is computed as phase resistance and line-line resistance.

  2. Temperature of magnets

    The physical properties of magnets are updated considering the temperature set in this field.

    The physical properties which are affected by this temperature are: the residual flux density (remanence) Br, the intrinsic coercivity (HcJ), the normal coercivity (HcB) and the resistivity.

    Figure 3. Setting of magnet temperature


  3. Flow chart of the tests
    Table 1. Flow chart of the tests


    1 Default mode of thermal setting for all the tests without thermal analysis
    2 Thermal settings for the tests which have a thermal analysis are available