This base network is extended in the example systems from ThreeArea subpackage. It contains a generator model connected to bus 100, represented by an order 2 machine, and a generator model connected to bus 1200, represented by an order 3 machine, both from PSAT.
The 14-bus 3-area system has a three-phase-to-ground fault event occurring on bus 1000 at 2 seconds and lasting for 100ms.