Inputs

Standard inputs ––––--

Speed

The speed of the machine is to be considered.

Set of losses

The losses to be defined are the following:
  • Stator Joule losses
  • Stator iron losses
  • Magnet losses
  • Rotor iron losses
  • Mechanical losses

Max. allowed deviation

The maximum temperature deviation allowed to consider the optimization algorithm has converged. All the final temperatures must have a lower deviation.

Input import

The set of inputs concerning speed and losses, can be imported from another test already performed in Motor Factory Test environment.

It can be current results or saved test results.

If the referent test has been performed with the thermal computations, the resulting temperatures can also be imported.

See the illustration below.

Table 1. How to define the inputs?


1 Fill in the table to define the speed, all the losses to be considered, the maximum evaluation duration, and the time step.
2 Click on the button “import” to import inputs corresponding to a solved test. All existing data from the selected test will be imported into the inputs of the thermal characterization. The data that does not exist in the outputs of the selected test is set to 0.
3 Choose what must be the maximum temperature deviation that will allow us to consider that the optimization algorithm has converged.
Table 2. Dialog box to select the test from which a set of data (losses and thermal) must be imported


1 Selection of the test. Only solved tests are available in the drop-down list.
2 Current tests as well as saved tests can be selected.
3 When several working points are computed in the selected test, each of them can be selected to consider the corresponding losses and speed.
Note: The imported data are the output data directly shown in the considered solved test. For some tests, some values are not defined (like for instance the Joule magnet losses or rotor iron losses). In that case, the corresponding input in the transient thermal test will remain at the value existing before the import.
Note: If the thermal results from the imported test have been obtained with the current internal thermal scheme, then all the target temperatures in the dialog box will be affected by the target temperature. However, if the temperatures are imported from a test solved using a previous version of the thermal scheme (with less thermal nodes), then the new thermal nodes (which did not exist in the previous thermal scheme) will remain in the Auto mode.

Advanced inputs ––––--

There are no advanced inputs required for this test.

Advice for use

Note: The resistance network identification of a machine is always done without any skew angle. This can cause some inaccuracy in the results for highly skewed machines.