The Tools | Preferences command displays the current system settings. You can change the system base MVA and output options.
TO EXPORT SPECIFY PROGRAM DEFAULT VALUES:
1. Select the Tools | Preferences command. Following dialog will.

2. Enter following preferences.
Enter frequency: Power system frequency in Hz.
Enter unit of length: Select English or Metric unit of length.
Note: The measurement unit and the power frequency were specified when the library was created. Once entered, they cannot be modified.
Enter Base MVA for per unit values: Default is 100MVA.
Enter Quote character to be used in data export. Single quote or double quote can be selected.
3. Press OK button to save your preferences.
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