n this Thesis, the point of calculation of the fault location was carried out on the distance relay that located at the Mariana substation to the direction of the New Jakabaring substation. This disturbance in the form of 1 phase short circuit to ground occurred on line 2 on December 25, 2020 at 02:46:28.627 WIB. The distance relay as the main safety in the electric power transmission system is…