![]() TMS is 0.083 seconds while the relay is on the incoming side of 20 kV 1 A and TMS of 0.198 seconds. Based on the analysis results, it is obtained that the short circuit results of 3 phases, 2 phases, and 1 phase to the ground have a value that is not much different from the calculation, while the OCR setting for the outgoing relay is 0.8 A on the secondary side. In this study, an analysis of the OCR and GFR settings will be carried out on a 20 kV cubicle at the Sanga-Sanga Substation, East Kalimantan, with the help of the DigSILENT Power Factory 15.1.7 application with a disturbance simulation at 10% and 90% of the feeder length. lines are overcurrent relays (OCR) and ground fault relays (GFR). Among the equipment in the protection system used in distribution. To protect properly, proper coordination of relay settings is required. Disturbances in distribution systems are short circuit faults between phases or ground phase faults. ![]() Read moreĪs a provider of electricity services, PLN is required to provide service and supply of electricity with good quality, continuity, improvement and efficiency. ![]() ![]() The coordination between the distance relay on the side of the Banaran Bay Pare substation has worked well because there is no error reading the relay when it will cut off the disturbance. The simulation results show that the 3-phase disturbance occurs at Zone 1 relay distance of the Banaran Bay Pare substation with a trip time of 0.02 seconds with a fault impedance of 0.083 ohms below the relay impedance value of 0.887 ohms. including 3-phase disturbance on February 1, 2018. The purpose of writing this research is to determine the value of setting relay distance, setting Over Current Rele and Directional Earth Fault relay in order to secure the 70 kV transmission network connected to GI Banaran, which is then simulated using DigSILENT 15.1 software on the Pare line by calculating symmetrical and asymmetrical disturbances. For that, the way to overcome this is using the Distance Relay protection system, OCR / GFR. In the electric power distribution system, there are disturbances that often occur, one of which is a short circuit. The substation is one of the components in the electric power distribution system which plays a very important role because it is the connection between electricity services to customers. The coordination between the distance relay on theside of the Banaran Bay Pare substation has worked well because there is no error reading the relay when it will cut off the disturbance. The simulationresults show that the 3-phase disturbance occurs at Zone 1 relay distance of the Banaran Bay Pare substation with a trip time of 0.02 secondswith a fault impedance of 0.083 ohms below the relay impedance value of 0.887 ohms. Thepurpose of writing this research is to determine the value of setting relay distance, setting Over Current Rele and Directional Earth Fault relayin order to secure the 70 kV transmission network connected to GI Banaran, which is then simulated using DigSILENT 15.1 software on thePare line by calculating symmetrical and asymmetrical disturbances. For that, the way to overcome this is using the Distance Relay protection system, OCR / GFR and DEF. In the electric power distribution system, there are disturbances that often occur,one of which is a short circuit. The substation is one of the components in the electric power distribution system which plays a very important role because itis the connection between electricity services to customers.
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