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The need for electricity that is growing rapidly on the island of Bali, makes PT PLN (Persero)
seek strategic steps in serving customers. Gilimanuk - Negara - Antosari Reconductoring SUTT
150 kV is one of the efforts made by PT PLN (Persero) to improve the reliability of the Bali
Electricity System which is used to overcome power evacuation problems in the future.
Reconductoring goes through a one-month trip phase in each circuit. For this reason, a study is
needed to identify the electricity system readiness by using a power flow analysis simulator
application.The simulation is done by extinguishing each of the 150 kV conductors in the Bali
Electricity System alternately by taking into account four scenario namely before conducting a
reconductor, reconductor circuit 1, reconductor circuit 2, and after reconductor. Voltage
recording is carried out on each bus with a tolerance of + 5% Vnom, recording of the load is
carried out on each active 150 kV conductor with a maximum capacity of 80% Inom. The results
of the simulation show that the anomaly is only obtained when the simulation of circuit 1
reconductor works if SUTT 150 kV Gilimanuk - Celukan Onion trip, causing a load exceeding
80% Inom on SUTT 150 kV Gilimanuk - Pemaron and SUTT Gilimanuk - Negara - Antosari 2.
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