ANALISIS KONTINGENSI SISTEM TENAGA LISTRIK PADA JARINGAN 150 kV SUBSISTEM RIAU MILIK UP2B SUMBAGTENG
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Rahmayani, Rahmayani
Tambunan, Juara Mangapul
Tambunan, Juara Mangapul
Subject
Teknik Elektro
Datestamp
2023-06-16 07:37:34
Abstract :
In the process of distributing electrical energy to get to the load, a reliable and sustainable electric power system is needed. One of the disturbances in the power system that cannot be avoided is the type of disturbance originating from the power transmission line. On the 150 kV network, the Riau subsystem belonging to UP2B, Central Sumatra, disturbances can be calculated based on the results of the contingency analysis. Through the calculation of the performance index (IP), can directly determine the type of disturbance that will occur. The IP value obtained through the 1P1Q calculation method produces 19 contingency sequences on the 150 kV network of the Riau subsystem. The highest contingency sequence for the channel IP value is 0.2283 on the Kotopanjang - Bangkinang channel contingency and the voltage IP value is 1.8104 on the Kotapinang and Bagan Batu channel contingencies causing disturbances because they are transfer points between subsystems and are prone to out of sync between the generator and the Riau subsystem . For other sequences, changes in power flow and bus voltage do not endanger the Riau subsystem because the system parameters are still within the allowable tolerance values. The Riau subsystem 150 kV network has a fairly good system security. Of the 19 possible transmission line disturbances, most of these schemes can keep the system operating under normal conditions. Only in the channel contingency scheme does a voltage drop occur on the Kotapinang - Bagan Batu channel due to the end subsystem of Riau subsystem.
In the process of distributing electrical energy to get to the load, a reliable and sustainable electric power system is needed. One of the disturbances in the power system that cannot be avoided is the type of disturbance originating from the power transmission line. On the 150 kV network, the Riau subsystem belonging to UP2B, Central Sumatra, disturbances can be calculated based on the results of the contingency analysis. Through the calculation of the performance index (IP), can directly determine the type of disturbance that will occur. The IP value obtained through the 1P1Q calculation method produces 19 contingency sequences on the 150 kV network of the Riau subsystem. The highest contingency sequence for the channel IP value is 0.2283 on the Kotopanjang - Bangkinang channel contingency and the voltage IP value is 1.8104 on the Kotapinang and Bagan Batu channel contingencies causing disturbances because they are transfer points between subsystems and are prone to out of sync between the generator and the Riau subsystem . For other sequences, changes in power flow and bus voltage do not endanger the Riau subsystem because the system parameters are still within the allowable tolerance values. The Riau subsystem 150 kV network has a fairly good system security. Of the 19 possible transmission line disturbances, most of these schemes can keep the system operating under normal conditions. Only in the channel contingency scheme does a voltage drop occur on the Kotapinang - Bagan Batu channel due to the end subsystem of Riau subsystem.
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