The example illustrates the influence of an electric shock on the mechanical behaviour of the turbogroup.
A common 3-phase short circuit occurs at 0.1 sec, cleared after 200 ms.
See for example:
turboGrpGen.generator.tau_el torque (electric frequency) turboGrpGen.turboGroup.delta relative angles between single turbines (frequencies typical 16 to 23 Hz)