Normal Mode Extraction Tutorial

Create New Load Collectors

1. Choose Demo subcase from the Select Subcase drop down list.

   
   
   Figure 1.

2. Select EIGRA from Method list.
3. Enter 0.0 in the Min freq (Hz) field.
4. Enter 200 in the Max freq (Hz) field.
5. Enter 10 for the number of modes to be extracted in the No of modes field.
6. Click Create.
   A new load collector is created and listed in the load collector table.

   
   
   Figure 2.

7. Click the radio button corresponding a load collector.
8. Click Next to proceed to the next step in the process.
   Note: For each of the subcases that were created in the Modal Transient Subcase Creation step, it is necessary to have at least one load collector selected.